Added ev_log

Signed-off-by: Robear Selwans <robear.selwans@outlook.com>

.gitignore

@@ -0,0 +1,2 @@
+.cache
+build

README.md

@@ -1 +1,11 @@
-# evol-headers
+# evol headers
+
+Project Initialization
+```
+meson setup --native-file=meson-native-clang --wipe build
+```
+
+Build:
+```
+meson compile -C build
+```

build_options/meson-clang-linux

@@ -0,0 +1,11 @@
+[binaries]
+c = 'clang-19'
+c_ld = 'lld-19'
+cpp = 'clang++-19'
+cpp_ld = 'lld-19'
+
+[properties]
+c_args = ['-DEV_CC_CLANG=1','-fcolor-diagnostics', '-fansi-escape-codes', '-fms-extensions']
+
+[cmake]
+CMAKE_C_COMPILER = 'clang-19'

build_options/meson-clang-win

@@ -0,0 +1,11 @@
+[binaries]
+c = 'clang.exe'
+c_ld = 'lld'
+cpp = 'clang++.exe'
+cpp_ld = 'lld'
+
+[properties]
+c_args = ['-DEV_CC_CLANG=1','-fcolor-diagnostics', '-fansi-escape-codes']
+
+[cmake]
+CMAKE_C_COMPILER = 'clang.exe'

buildfiles/ev_helpers.c

@@ -0,0 +1,2 @@
+#define EV_HELPERS_IMPLEMENTATION
+#include "../ev_helpers.h"

buildfiles/ev_log.c

@@ -0,0 +1,2 @@
+#define EV_LOG_IMPLEMENTATION
+#include "../ev_log.h"

defines.h

@@ -78,6 +78,10 @@
 # endif
 #endif
 
+#if !defined(EV_BUILDTYPE_DEBUG) && !defined(EV_BUILDTYPE_DEBUG_OPT) && !defined(EV_BUILDTYPE_RELEASE)
+#define EV_BUILDTYPE_RELEASE 1
+#endif
+
 #ifndef EV_BUILDTYPE_DEBUG
 # define EV_BUILDTYPE_DEBUG 0
 #endif

ev_hash.h

@@ -44,7 +44,6 @@ static inline u64 rotl64 ( u64 x, i8 r )
 
 #endif // EV_CC_MSVC
 
-#include "ev_macros.h"
 
 //-----------------------------------------------------------------------------
 // Block read - if your platform needs to do endian-swapping or can only

ev_helpers.h

@@ -0,0 +1,52 @@
+/*!
+ * \file ev_helpers.h
+ */
+#ifndef EV_HELPERS_HEADER
+#define EV_HELPERS_HEADER
+
+#include "ev_macros.h"
+#include "ev_str.h"
+#if defined(EV_HELPERS_SHARED)
+# if defined (EV_HELPERS_IMPL)
+#  define EV_HELPERS_API EV_EXPORT
+# else
+#  define EV_HELPERS_API EV_IMPORT
+# endif
+#else
+# define EV_HELPERS_API
+#endif
+
+EV_HELPERS_API evstring
+evstring_readFile(
+  evstring filePath);
+
+#ifdef EV_HELPERS_IMPLEMENTATION
+#undef EV_HELPERS_IMPLEMENTATION
+
+
+evstring
+evstring_readFile(
+  evstring filePath)
+{
+  FILE* f = NULL;
+#if EV_OS_WINDOWS
+  if(fopen_s(&f,filePath,"rb")) return EV_INVALID(evstring);
+#else
+  f = fopen(filePath, "rb");
+#endif
+
+  fseek(f, 0, SEEK_END);
+  u32 buflen = ftell(f);
+  fseek(f, 0, SEEK_SET);
+
+  evstring res = evstring_new("");
+  evstring_setLength(&res, buflen);
+  fread(res, 1, buflen, f);
+  fclose(f);
+
+  return res;
+}
+
+#endif
+
+#endif

ev_internal.h

@@ -14,9 +14,11 @@ typedef unsigned long long int u64;
 typedef float  f32;
 typedef double f64;
 
+#if !defined(__cplusplus) && __STDC_VERSION__ < 202311L
 typedef _Bool bool;
 #define true 1
 #define false 0
+#endif
 
 #define i8_const(v)  (i8){v}
 #define i16_const(v) (i16){v}

ev_log.h

@@ -0,0 +1,202 @@
+#ifndef EV_HEADERS_LOG_H
+#define EV_HEADERS_LOG_H
+
+#define EV_LOG_USE_COLOR
+
+#include "ev_internal.h"
+
+#include "stdarg.h"
+#include "stdbool.h"
+#include "stdio.h"
+#include "time.h"
+
+typedef struct {
+  va_list ap;
+  const char* fmt;
+  const char* file;
+  struct tm* time;
+  void* udata;
+  int line;
+  int level;
+} ev_log_event_t;
+
+typedef void (*ev_log_log_fn)(ev_log_event_t* ev);
+typedef void (*ev_log_lock_fn)(bool lock, void* udata);
+
+typedef enum {
+  EV_LOG_TRACE,
+  EV_LOG_DEBUG,
+  EV_LOG_INFO ,
+  EV_LOG_WARN ,
+  EV_LOG_ERROR,
+  EV_LOG_FATAL,
+} ev_log_level;
+
+#define ev_log_trace(...) ev_log(EV_LOG_TRACE, __FILE__, __LINE__, __VA_ARGS__)
+#define ev_log_debug(...) ev_log(EV_LOG_DEBUG, __FILE__, __LINE__, __VA_ARGS__)
+#define ev_log_info(...)  ev_log(EV_LOG_INFO , __FILE__, __LINE__, __VA_ARGS__)
+#define ev_log_warn(...)  ev_log(EV_LOG_WARN , __FILE__, __LINE__, __VA_ARGS__)
+#define ev_log_error(...) ev_log(EV_LOG_ERROR, __FILE__, __LINE__, __VA_ARGS__)
+#define ev_log_fatal(...) ev_log(EV_LOG_FATAL, __FILE__, __LINE__, __VA_ARGS__)
+
+const char* ev_log_level_string(ev_log_level level);
+void ev_log_set_lock(ev_log_lock_fn fn, void* udata);
+void ev_log_set_level(ev_log_level level);
+void ev_log_set_quiet(bool enable);
+i32 ev_log_add_callback(ev_log_log_fn fn, void* udata, ev_log_level level);
+i32 ev_log_add_fp(FILE *fp, ev_log_level level);
+
+void ev_log(ev_log_level level, const char* file, u32 line, const char* fmt, ...);
+
+#ifdef EV_LOG_IMPLEMENTATION
+#undef EV_LOG_IMPLEMENTATION
+
+#define MAX_CALLBACKS 32
+
+typedef struct {
+  ev_log_log_fn fn;
+  void* udata;
+  ev_log_level level;
+} ev_log_callback_t;
+
+struct {
+  void* udata;
+  ev_log_lock_fn lock;
+  ev_log_level level;
+  bool quiet;
+  ev_log_callback_t callbacks[MAX_CALLBACKS];
+} G;
+
+static const char* level_strings[] = {
+  "TRACE", "DEBUG", "INFO", "WARN", "ERROR", "FATAL"
+};
+
+static const char* level_colors[] = {
+  "\x1b[94m", "\x1b[36m", "\x1b[32m", "\x1b[33m", "\x1b[31m", "\x1b[35m"
+};
+
+static void ev_log_stdout_callback(ev_log_event_t* ev)
+{
+  char buf[16];
+  buf[strftime(buf, sizeof(buf), "%H:%M:%S", ev->time)] = '\0';
+#ifdef EV_LOG_USE_COLOR
+  fprintf(
+    ev->udata, "%s %s%-5s\x1b[0m \x1b[90m%s:%d:\x1b[0m ",
+    buf, level_colors[ev->level], level_strings[ev->level],
+    ev->file, ev->line);
+#else
+  fprintf(
+    ev->udata, "%s %-5s %s:%d: ",
+    buf, level_strings[ev->level], ev->file, ev->line);
+#endif
+  vfprintf(ev->udata, ev->fmt, ev->ap);
+  fprintf(ev->udata, "\n");
+  fflush(ev->udata);
+}
+
+static void ev_log_file_callback(ev_log_event_t* ev) 
+{
+  char buf[64];
+  buf[strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", ev->time)] = '\0';
+  fprintf(
+    ev->udata, "%s %-5s %s:%d: ",
+    buf, level_strings[ev->level], ev->file, ev->line);
+  vfprintf(ev->udata, ev->fmt, ev->ap);
+  fprintf(ev->udata, "\n");
+  fflush(ev->udata);
+}
+
+static void lock(void)
+{
+  if(G.lock)
+    G.lock(true, G.udata);
+}
+
+static void unlock(void)
+{
+  if(G.lock)
+    G.lock(false, G.udata);
+}
+
+const char* ev_log_level_string(ev_log_level level) 
+{
+  return level_strings[level];
+}
+
+void ev_log_set_lock(ev_log_lock_fn fn, void* udata) 
+{
+  G.lock = fn;
+  G.udata = udata;
+}
+
+
+void ev_log_set_level(ev_log_level level) 
+{
+  G.level = level;
+}
+
+void ev_log_set_quiet(bool enable) 
+{
+  G.quiet = enable;
+}
+
+i32 ev_log_add_callback(ev_log_log_fn fn, void* udata, ev_log_level level) 
+{
+  for (i32 i = 0; i < MAX_CALLBACKS; i++) {
+    if (!G.callbacks[i].fn) {
+      G.callbacks[i] = (ev_log_callback_t) { fn, udata, level };
+      return 0;
+    }
+  }
+  return -1;
+}
+
+
+i32 log_add_fp(FILE *fp, ev_log_level level) 
+{
+  return ev_log_add_callback(ev_log_file_callback, fp, level);
+}
+
+
+static void init_event(ev_log_event_t* ev, void* udata) 
+{
+  if (!ev->time) {
+    time_t t = time(NULL);
+    ev->time = localtime(&t);
+  }
+  ev->udata = udata;
+}
+
+void ev_log(ev_log_level level, const char* file, u32 line, const char* fmt, ...) 
+{
+  ev_log_event_t ev = {
+    .fmt   = fmt,
+    .file  = file,
+    .line  = line,
+    .level = level,
+  };
+
+  lock();
+
+  if (!G.quiet && level >= G.level) {
+    init_event(&ev, stderr);
+    va_start(ev.ap, fmt);
+    ev_log_stdout_callback(&ev);
+    va_end(ev.ap);
+  }
+
+  for (i32 i = 0; i < MAX_CALLBACKS && G.callbacks[i].fn; i++) {
+    ev_log_callback_t* cb = &G.callbacks[i];
+    if (level >= cb->level) {
+      init_event(&ev, cb->udata);
+      va_start(ev.ap, fmt);
+      cb->fn(&ev);
+      va_end(ev.ap);
+    }
+  }
+
+  unlock();
+}
+
+#endif
+#endif

ev_macros.h

@@ -11,6 +11,7 @@
 #define __EV_MACRO_IF_0_ELSE(...) __VA_ARGS__
 
 #define __EV_MACRO_SECOND(a,b,...) b
+#define __EV_MACRO_SECOND_INDIRECT() __EV_MACRO_SECOND
 
 #define __EV_MACRO_IS_PROBE(...) __EV_MACRO_SECOND(__VA_ARGS__,0)
 #define __EV_MACRO_PROBE() ~,1
@@ -19,6 +20,9 @@
 #define __EV_MACRO_NOT_0 __EV_MACRO_PROBE()
 
 #define __EV_MACRO_BOOL(x) __EV_MACRO_NOT(__EV_MACRO_NOT(x))
+
+#define __EV_MACRO_NOP(...)
+#define __EV_MACRO_NOP_INDIRECT() __EV_MACRO_NOP 
 // End Of: Internal Usage
 
 /*!
@@ -49,11 +53,13 @@
 # define EV_IMPORT __declspec(dllimport)
 # define EV_UNUSED
 # define EV_FORCEINLINE __forceinline
+# define EV_ALIGN(x) __declspec(align(x))
 #elif ( EV_CC_GCC || EV_CC_CLANG )
 # define EV_EXPORT __attribute__((visibility("default")))
 # define EV_IMPORT
 # define EV_UNUSED __attribute__((unused))
 # define EV_FORCEINLINE inline __attribute__((always_inline))
+# define EV_ALIGN(x) __attribute__((aligned(x)))
 # if ( EV_CC_GCC )
 #  define EV_PRAGMA_CC_NAME GCC
 #  define EV_WARNING_DISABLE_GCC(w) EV_PRAGMA(EV_PRAGMA_CC_NAME diagnostic ignored "-W"w)
@@ -98,6 +104,7 @@
  * \brief Macro to get the size of a compile-time array.
  */
 #define EV_ARRSIZE(...) (sizeof(__VA_ARGS__)/sizeof((__VA_ARGS__)[0]))
+#define EV_ARRSIZE_LITERAL(...) EV_EXPAND(EV_DEFER(EV_VA_ARGS_NARG)(EV_FILTER_EMPTY(__VA_ARGS__)))
 
 /*!
  * \brief Macro to concatenate two tokens together.
@@ -105,6 +112,11 @@
 #define EV_CAT(a, ...) EV_CAT_IMPL(a, __VA_ARGS__)
 #define EV_CAT_IMPL(a, ...) a##__VA_ARGS__
 
+/*!
+ * \brief Macro to concatenate multiple tokens together
+ */
+#define EV_CATN(...) EV_REDUCE(EV_CAT, __VA_ARGS__)
+
 /*!
  * \brief Macro to wrap tokens in double quotations. (")
  */
@@ -136,6 +148,27 @@
 #define EV_VA_ARGS_ARG_N(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, N, ...) N
 #define EV_VA_ARGS_RSEQ_N() 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
 
+#define EV_EVAL(...)             __EV_INTERNAL_EVAL1(__EV_INTERNAL_EVAL1(__EV_INTERNAL_EVAL1(__EV_INTERNAL_EVAL1(__VA_ARGS__))))
+#define __EV_INTERNAL_EVAL1(...) __EV_INTERNAL_EVAL2(__EV_INTERNAL_EVAL2(__EV_INTERNAL_EVAL2(__EV_INTERNAL_EVAL2(__VA_ARGS__))))
+#define __EV_INTERNAL_EVAL2(...) __EV_INTERNAL_EVAL3(__EV_INTERNAL_EVAL3(__EV_INTERNAL_EVAL3(__EV_INTERNAL_EVAL3(__VA_ARGS__))))
+#define __EV_INTERNAL_EVAL3(...) __EV_INTERNAL_EVAL4(__EV_INTERNAL_EVAL4(__EV_INTERNAL_EVAL4(__EV_INTERNAL_EVAL4(__VA_ARGS__))))
+#define __EV_INTERNAL_EVAL4(...) __VA_ARGS__
+// #define __EV_INTERNAL_EVAL4(...) __EV_INTERNAL_EVAL5(__EV_INTERNAL_EVAL5(__EV_INTERNAL_EVAL5(__EV_INTERNAL_EVAL5(__VA_ARGS__))))
+// #define __EV_INTERNAL_EVAL5(...) __EV_INTERNAL_EVAL6(__EV_INTERNAL_EVAL6(__EV_INTERNAL_EVAL6(__EV_INTERNAL_EVAL6(__VA_ARGS__))))
+// #define __EV_INTERNAL_EVAL6(...) __VA_ARGS__
+
+#define EV_INDIRECT_OP_ELSE_NOP(OP_INDIRECT,...) \
+  EV_DEFER                                       \
+  (                                              \
+    EV_VA_OPT_ELSE(__VA_ARGS__)                  \
+    (                                            \
+      OP_INDIRECT                                \
+    )                                            \
+    (                                            \
+      __EV_MACRO_NOP_INDIRECT                    \
+    )                                            \
+  )()
+
 /*!
  * \brief Similar functionality to `__VA_OPT__`
  * Used as follows:
@@ -148,142 +181,53 @@
 
 /*!
  * \brief Calls the passed macro for each element.
- * \note Maximum number of elements to iterate over is 64 elements.
  */
-#define EV_FOREACH(OP, ...) EV_CAT(__EV_INTERNAL_FOREACH, EV_VA_ARGS_NARG(__VA_ARGS__))(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH1( OP, a     ) OP(a)
-#define __EV_INTERNAL_FOREACH2( OP, a, ...) OP(a) __EV_INTERNAL_FOREACH1( OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH3( OP, a, ...) OP(a) __EV_INTERNAL_FOREACH2( OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH4( OP, a, ...) OP(a) __EV_INTERNAL_FOREACH3( OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH5( OP, a, ...) OP(a) __EV_INTERNAL_FOREACH4( OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH6( OP, a, ...) OP(a) __EV_INTERNAL_FOREACH5( OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH7( OP, a, ...) OP(a) __EV_INTERNAL_FOREACH6( OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH8( OP, a, ...) OP(a) __EV_INTERNAL_FOREACH7( OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH9( OP, a, ...) OP(a) __EV_INTERNAL_FOREACH8( OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH10(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH9( OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH11(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH10(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH12(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH11(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH13(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH12(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH14(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH13(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH15(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH14(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH16(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH15(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH17(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH16(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH18(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH17(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH19(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH18(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH20(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH19(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH21(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH20(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH22(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH21(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH23(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH22(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH24(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH23(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH25(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH24(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH26(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH25(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH27(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH26(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH28(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH27(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH29(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH28(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH30(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH29(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH31(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH30(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH32(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH31(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH33(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH32(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH34(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH33(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH35(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH34(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH36(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH35(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH37(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH36(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH38(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH37(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH39(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH38(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH40(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH39(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH41(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH40(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH42(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH41(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH43(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH42(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH44(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH43(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH45(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH44(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH46(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH45(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH47(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH46(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH48(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH47(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH49(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH48(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH50(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH49(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH51(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH50(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH52(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH51(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH53(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH52(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH54(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH53(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH55(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH54(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH56(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH55(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH57(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH56(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH58(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH57(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH59(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH58(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH60(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH59(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH61(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH60(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH62(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH61(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH63(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH62(OP, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH64(OP, a, ...) OP(a) __EV_INTERNAL_FOREACH63(OP, __VA_ARGS__)
+#define EV_FOREACH(OP, ...) \
+  EV_VA_OPT(__VA_ARGS__)(EV_EVAL(__EV_INTERNAL_FOREACH_IMPL(OP, __VA_ARGS__)))
+#define __EV_INTERNAL_FOREACH_IMPL(OP, a, ...) \
+  OP(a) EV_INDIRECT_OP_ELSE_NOP(__EV_INTERNAL_FOREACH_IMPL_INDIRECT, __VA_ARGS__)(OP, __VA_ARGS__)
+#define __EV_INTERNAL_FOREACH_IMPL_INDIRECT() __EV_INTERNAL_FOREACH_IMPL
 
 /*!
  * \brief Same as EV_FOREACH but allows passing a UDATA token
- * \note Maximum number of elements to iterate over is 64 elements.
  */
-#define EV_FOREACH_UDATA(OP, UDATA, ...) EV_CAT(EV_CAT(__EV_INTERNAL_FOREACH, EV_VA_ARGS_NARG(__VA_ARGS__)),_UDATA)(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH1_UDATA( OP, UDATA, a     ) OP(UDATA, a)
-#define __EV_INTERNAL_FOREACH2_UDATA( OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH1_UDATA( OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH3_UDATA( OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH2_UDATA( OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH4_UDATA( OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH3_UDATA( OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH5_UDATA( OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH4_UDATA( OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH6_UDATA( OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH5_UDATA( OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH7_UDATA( OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH6_UDATA( OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH8_UDATA( OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH7_UDATA( OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH9_UDATA( OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH8_UDATA( OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH10_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH9_UDATA( OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH11_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH10_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH12_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH11_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH13_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH12_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH14_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH13_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH15_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH14_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH16_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH15_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH17_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH16_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH18_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH17_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH19_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH18_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH20_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH19_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH21_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH20_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH22_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH21_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH23_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH22_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH24_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH23_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH25_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH24_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH26_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH25_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH27_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH26_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH28_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH27_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH29_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH28_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH30_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH29_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH31_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH30_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH32_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH31_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH33_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH32_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH34_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH33_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH35_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH34_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH36_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH35_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH37_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH36_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH38_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH37_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH39_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH38_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH40_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH39_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH41_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH40_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH42_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH41_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH43_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH42_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH44_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH43_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH45_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH44_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH46_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH45_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH47_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH46_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH48_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH47_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH49_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH48_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH50_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH49_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH51_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH50_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH52_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH51_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH53_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH52_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH54_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH53_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH55_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH54_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH56_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH55_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH57_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH56_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH58_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH57_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH59_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH58_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH60_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH59_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH61_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH60_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH62_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH61_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH63_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH62_UDATA(OP, UDATA, __VA_ARGS__)
-#define __EV_INTERNAL_FOREACH64_UDATA(OP, UDATA, a, ...) OP(UDATA, a) __EV_INTERNAL_FOREACH63_UDATA(OP, UDATA, __VA_ARGS__)
+#define EV_FOREACH_UDATA(OP, UDATA,...) \
+  EV_VA_OPT(__VA_ARGS__)(EV_EVAL(__EV_INTERNAL_FOREACH_UDATA_IMPL(OP, UDATA, __VA_ARGS__)))
+#define __EV_INTERNAL_FOREACH_UDATA_IMPL(OP, UDATA, a, ...) \
+  OP(UDATA, a) EV_INDIRECT_OP_ELSE_NOP(__EV_INTERNAL_FOREACH_UDATA_IMPL_INDIRECT, __VA_ARGS__)(OP, UDATA, __VA_ARGS__)
+#define __EV_INTERNAL_FOREACH_UDATA_IMPL_INDIRECT() __EV_INTERNAL_FOREACH_UDATA_IMPL
+
+#define EV_JOIN(...) \
+  EV_JOIN_W_DELIM((,),__VA_ARGS__)
+
+#define EV_JOIN_W_DELIM(delim, ...) \
+  EV_VA_OPT(__VA_ARGS__)(EV_EVAL(__EV_INTERNAL_JOIN_W_DELIM_IMPL(delim, __VA_ARGS__)))
+#define __EV_INTERNAL_JOIN_W_DELIM_IMPL(delim, a, ...) \
+  a EV_INDIRECT_OP_ELSE_NOP(EV_EXPAND delim __EV_INTERNAL_JOIN_W_DELIM_IMPL_INDIRECT, __VA_ARGS__)(delim, __VA_ARGS__)
+#define __EV_INTERNAL_JOIN_W_DELIM_IMPL_INDIRECT() __EV_INTERNAL_JOIN_W_DELIM_IMPL
+
+#define DEFAULT_ZIP_OP(a, b) (a, b)
+#define EV_ZIP(list1, list2) \
+  EV_ZIP_W_OP(DEFAULT_ZIP_OP, list1, list2)
+
+#define EV_ZIP_W_OP(OP, list1, list2) \
+  EV_VA_OPT(EV_EXPAND list1)(EV_EVAL(__EV_INTERNAL_ZIP_W_OP_IMPL(OP, list1, list2)))
+#define __EV_INTERNAL_ZIP_W_OP_IMPL(OP, list1, list2) \
+  OP(EV_HEAD list1, EV_HEAD list2) EV_INDIRECT_OP_ELSE_NOP(__EV_INTERNAL_ZIP_W_OP_IMPL_INDIRECT, EV_TAIL list1)(OP, (EV_TAIL list1), (EV_TAIL list2))
+#define __EV_INTERNAL_ZIP_W_OP_IMPL_INDIRECT() , __EV_INTERNAL_ZIP_W_OP_IMPL
+
+#define EV_REDUCE(OP, ...) \
+  EV_VA_OPT(__VA_ARGS__)(EV_EVAL(EV_INDIRECT_OP_ELSE_NOP(__EV_INTERNAL_REDUCE_IMPL_INDIRECT, __VA_ARGS__)(OP, EV_HEAD(__VA_ARGS__), EV_TAIL(__VA_ARGS__))))
+#define __EV_INTERNAL_REDUCE_IMPL(OP, last, ...) \
+  EV_DEFER(EV_VA_OPT_ELSE(__VA_ARGS__)(__EV_INTERNAL_REDUCE_IMPL_INDIRECT)(__EV_MACRO_SECOND_INDIRECT))()(OP, EV_VA_OPT_ELSE(__VA_ARGS__)(OP(last, EV_HEAD(__VA_ARGS__)))(last) EV_VA_OPT(__VA_ARGS__)(,EV_TAIL(__VA_ARGS__)))
+#define __EV_INTERNAL_REDUCE_IMPL_INDIRECT() __EV_INTERNAL_REDUCE_IMPL
+
+/*!
+ * \brief Macro to get a the hex value of a 4-number as a character
+ */
+#define EV_TOHEX_CHAR(c) (("0123456789abcdef")[c])
+
+#define __EV_FILTER_EMPTY_OP(x) EV_VA_OPT_ELSE(x)(,x)()
+#define EV_FILTER_EMPTY(x,...) x EV_FOREACH(__EV_FILTER_EMPTY_OP, __VA_ARGS__)
 
 #endif // EV_HEADERS_MACROS_H

ev_numeric.h

@@ -97,4 +97,15 @@ static const struct Float64Data Float64 =
   .EPS     =  2.2204460492503131e-016
 };
 
+#if !EV_OS_WINDOWS
+#define max(a,b) \
+  ({ __typeof__(a) _a = (a); \
+     __typeof__(b) _b = (b); \
+     _a > _b ? _a : _b; })
+#define min(a,b) \
+  ({ __typeof__(a) _a = (a); \
+     __typeof__(b) _b = (b); \
+     _a < _b ? _a : _b; })
+#endif
+
 #endif // EV_HEADERS_NUMERIC_H

ev_str.h

@@ -44,7 +44,6 @@
 #endif
 
 typedef char *evstring;
-TYPEDATA_GEN(evstring);
 
 typedef enum {
     EV_STR_ERR_NONE = 0,
@@ -193,6 +192,28 @@ evstring_findLastChar(
     const evstring text,
     const char c);
 
+DEFINE_EQUAL_FUNCTION(evstring, Default)
+{
+  return evstring_cmp(*(evstring*)self, *(evstring*)other) == 0;
+}
+
+DEFINE_COPY_FUNCTION(evstring, Default)
+{
+  *(evstring*)dst = evstring_newFromStr(*src);
+}
+
+DEFINE_FREE_FUNCTION(evstring, Default)
+{
+  evstring_free(*self);
+}
+
+TYPEDATA_GEN(evstring,
+    EQUAL(Default),
+    COPY(Default),
+    FREE(Default)
+);
+
+
 #if defined(EV_STR_IMPLEMENTATION)
 
 #if EV_OS_WINDOWS
@@ -429,7 +450,7 @@ evstring_push_impl(
     }
 
     memcpy((*s) + meta->length, data, sz);
-    printf("Memcpy: dst = (*s {%p}) + meta->length {%llu}, src = data {%p}, size = sz {%llu}\n", *s, meta->length, data, sz);
+    // printf("Memcpy: dst = (*s {%p}) + meta->length {%llu}, src = data {%p}, size = sz {%llu}\n", *s, meta->length, data, sz);
     meta->length += sz;
 
     (*s)[meta->length] = '\0';
@@ -606,7 +627,7 @@ evstring_pushFmt_v(
     size_t old_len = evstring_getLength(*s);
     evstring_error_t res = evstring_setLength(s, old_len + fmt_len);
     if(res == EV_STR_ERR_NONE) {
-        int write_res = vsnprintf((*s) + old_len, fmt_len, fmt, args);
+        int write_res = vsnprintf((*s) + old_len, fmt_len+1, fmt, args);
         assert(write_res > 0);
         assert(write_res == fmt_len);
     }

ev_types.h

@@ -8,7 +8,10 @@
 typedef void(*ev_copy_fn)(void *dst, void *src);
 typedef void(*ev_free_fn)(void *self);
 typedef u64(*ev_hash_fn)(void *self, u64 seed);
-typedef i32(*ev_cmp_fn)(void *self, void *other);
+typedef bool(*ev_equal_fn)(void *self, void *other);
+
+typedef void(*ev_tostr_fn)(void *self, char *out);
+typedef u32(*ev_tostrlen_fn)();
 
 typedef struct {
   EV_DEBUG(const char *name;)
@@ -16,111 +19,111 @@ typedef struct {
   u32 size;
   u32 alignment;
 
-  ev_copy_fn copy_fn;
-  ev_free_fn free_fn;
-  ev_hash_fn hash_fn;
-  ev_cmp_fn  cmp_fn;
+  ev_copy_fn  copy_fn;
+  ev_free_fn  free_fn;
+  ev_hash_fn  hash_fn;
+  ev_equal_fn equal_fn;
+  ev_tostr_fn tostr_fn;
+  ev_tostrlen_fn tostrlen_fn;
 
   void *default_val;
   void *invalid_val;
 } EvTypeData;
 
-#define COPY_FUNCTION(T,name)  EV_CAT(EV_CAT(EV_CAT(EV_COPY_FUNCTION_,T),_),name)
-#define FREE_FUNCTION(T,name)  EV_CAT(EV_CAT(EV_CAT(EV_FREE_FUNCTION_,T),_),name)
-#define HASH_FUNCTION(T,name)  EV_CAT(EV_CAT(EV_CAT(EV_HASH_FUNCTION_,T),_),name)
-#define CMP_FUNCTION(T,name)   EV_CAT(EV_CAT(EV_CAT(EV_CMP_FUNCTION_ ,T),_),name)
+#define COPY_FUNCTION(T    ,name) EV_CAT(EV_CAT(EV_CAT(EV_COPY_FUNCTION_    ,T),_),name)
+#define FREE_FUNCTION(T    ,name) EV_CAT(EV_CAT(EV_CAT(EV_FREE_FUNCTION_    ,T),_),name)
+#define HASH_FUNCTION(T    ,name) EV_CAT(EV_CAT(EV_CAT(EV_HASH_FUNCTION_    ,T),_),name)
+#define EQUAL_FUNCTION(T   ,name) EV_CAT(EV_CAT(EV_CAT(EV_EQUAL_FUNCTION_   ,T),_),name)
+#define TOSTR_FUNCTION(T   ,name) EV_CAT(EV_CAT(EV_CAT(EV_TOSTR_FUNCTION_   ,T),_),name)
+#define TOSTRLEN_FUNCTION(T,name) EV_CAT(EV_CAT(EV_CAT(EV_TOSTRLEN_FUNCTION_,T),_),name)
 
-#include <string.h>
-#define DEFINE_COPY_FUNCTION(T,name) void COPY_FUNCTION(T,name)(T *dst, T *src)
-#define DEFINE_DEFAULT_INTERNAL_COPY_FUNCTION(T) \
-  static inline DEFINE_COPY_FUNCTION(T,__EV_INTERNAL) { memcpy(dst, src, sizeof(T)); }
+#define DEFINE_COPY_FUNCTION(T,name) static inline void COPY_FUNCTION(T,name)(T *dst, T *src)
+#define DEFINE_DEFAULT_COPY_FUNCTION(T) \
+  DEFINE_COPY_FUNCTION(T,DEFAULT) { *dst = *src; }
 
-#define DEFINE_FREE_FUNCTION(T,name) void FREE_FUNCTION(T,name)(T *self)
-#define DEFINE_DEFAULT_INTERNAL_FREE_FUNCTION(T) \
-  static inline DEFINE_FREE_FUNCTION(T,__EV_INTERNAL) { (void)self; }
+#define DEFINE_FREE_FUNCTION(T,name) static inline void FREE_FUNCTION(T,name)(T *self)
+#define DEFINE_DEFAULT_FREE_FUNCTION(T) \
+  DEFINE_FREE_FUNCTION(T,DEFAULT) { (void)self; }
 
-#define DEFINE_HASH_FUNCTION(T,name) u64 HASH_FUNCTION(T,name)(T *self, u64 seed)
-#define DEFINE_DEFAULT_INTERNAL_HASH_FUNCTION(T) \
-  static inline DEFINE_HASH_FUNCTION(T,__EV_INTERNAL) { return ev_hash_murmur3(self, sizeof(T), seed); }
+#define DEFINE_HASH_FUNCTION(T,name) static inline void HASH_FUNCTION(T,name)(T *self, u64 seed)
+#define DEFINE_DEFAULT_HASH_FUNCTION(T) \
+  DEFINE_HASH_FUNCTION(T,DEFAULT) { ev_hash_murmur3(self, sizeof(T), seed); }
 
-#define DEFINE_CMP_FUNCTION(T,name) i32 CMP_FUNCTION(T,name)(T *self, T *other)
-#define DEFINE_DEFAULT_INTERNAL_CMP_FUNCTION(T) \
-  static inline DEFINE_CMP_FUNCTION(T,__EV_INTERNAL) { return memcmp(self, other, sizeof(T)); }
+#define DEFINE_EQUAL_FUNCTION(T,name) static inline bool EQUAL_FUNCTION(T,name)(T *self, T *other)
+// NOTE: This shouldn't be used for non-arithmetic types.
+#define DEFINE_DEFAULT_EQUAL_FUNCTION(T) \
+  DEFINE_EQUAL_FUNCTION(T,DEFAULT) { return memcmp(self, other, sizeof(T)) == 0; }
 
-#define DECLARE_COPY_FUNCTION(T,name)  DEFINE_COPY_FUNCTION(T,name);
-#define DECLARE_FREE_FUNCTION(T,name)  DEFINE_FREE_FUNCTION(T,name);
-#define DECLARE_HASH_FUNCTION(T,name)  DEFINE_HASH_FUNCTION(T,name);
-#define DECLARE_CMP_FUNCTION(T,name)   DEFINE_CMP_FUNCTION(T,name);
+#define DEFINE_TOSTR_FUNCTION(T,name) static inline void TOSTR_FUNCTION(T,name)(T *self, char* out)
+#define DEFINE_DEFAULT_TOSTR_FUNCTION(T) \
+  DEFINE_TOSTR_FUNCTION(T,DEFAULT) \
+  {  \
+    for(int i = 0; i < sizeof(T); i++) \
+    { \
+      u8 byte = ((u8*)self)[i];\
+      out[i*2] = EV_TOHEX_CHAR((u32)(byte >> 4) & 0xf); \
+      out[i*2+1] = EV_TOHEX_CHAR((u32)byte & 0xf); \
+    } \
+  }
 
-#define ACTIVE_COPY_FUNCTION(T)  __EV_TYPE_INTERNAL_##T##_ACTIVE_COPY_FN
-#define ACTIVE_FREE_FUNCTION(T)  __EV_TYPE_INTERNAL_##T##_ACTIVE_FREE_FN
-#define ACTIVE_HASH_FUNCTION(T)  __EV_TYPE_INTERNAL_##T##_ACTIVE_HASH_FN
-#define ACTIVE_CMP_FUNCTION(T)   __EV_TYPE_INTERNAL_##T##_ACTIVE_CMP_FN
+#define DEFINE_TOSTRLEN_FUNCTION(T,name) static inline u32 TOSTRLEN_FUNCTION(T,name)()
+#define DEFINE_DEFAULT_TOSTRLEN_FUNCTION(T) \
+  DEFINE_TOSTRLEN_FUNCTION(T,DEFAULT) { return sizeof(T) * 2; }
 
-#define COPY_FUNCTION_TYPE(T) __EV_TYPE_INTERNAL_##T##_COPY_FN_TYPE
-#define FREE_FUNCTION_TYPE(T) __EV_TYPE_INTERNAL_##T##_FREE_FN_TYPE
-#define HASH_FUNCTION_TYPE(T) __EV_TYPE_INTERNAL_##T##_HASH_FN_TYPE
-#define CMP_FUNCTION_TYPE(T)  __EV_TYPE_INTERNAL_##T##_CMP_FN_TYPE
-
-#define DEFINE_FUNCTION_TYPES(T)                                                         \
-  typedef void(*COPY_FUNCTION_TYPE(T))(T*,T*);                                           \
-  typedef void(*FREE_FUNCTION_TYPE(T))(T*);                                              \
-  typedef  u64(*HASH_FUNCTION_TYPE(T))(T*,u64);                                          \
-  typedef  i32(*CMP_FUNCTION_TYPE(T))(T*,T*)
-
-#define DEFINE_DEFAULT_INTERNAL_FUNCTIONS(T)                                             \
-  DEFINE_DEFAULT_INTERNAL_COPY_FUNCTION(T)                                               \
-  DEFINE_DEFAULT_INTERNAL_FREE_FUNCTION(T)                                               \
-  DEFINE_DEFAULT_INTERNAL_HASH_FUNCTION(T)                                               \
-  DEFINE_DEFAULT_INTERNAL_CMP_FUNCTION(T)
+#define DECLARE_COPY_FUNCTION(T,name)     DEFINE_COPY_FUNCTION(T,name);
+#define DECLARE_FREE_FUNCTION(T,name)     DEFINE_FREE_FUNCTION(T,name);
+#define DECLARE_HASH_FUNCTION(T,name)     DEFINE_HASH_FUNCTION(T,name);
+#define DECLARE_EQUAL_FUNCTION(T,name)    DEFINE_EQUAL_FUNCTION(T,name);
+#define DECLARE_TOSTR_FUNCTION(T,name)    DEFINE_TOSTR_FUNCTION(T,name);
+#define DECLARE_TOSTRLEN_FUNCTION(T,name) DEFINE_TOSTRLEN_FUNCTION(T,name);
 
 #define EV_OVERRIDE_VAR(T) EV_CAT(__ev_internal_override_var_,T)
 #define TypeData(T) EV_CAT(EV_TYPEDATA_,T)
 #define TYPEDATA_GEN(T, ...) \
-  DEFINE_FUNCTION_TYPES(T);                                                              \
-  DEFINE_DEFAULT_INTERNAL_FUNCTIONS(T);                                                  \
-  static const COPY_FUNCTION_TYPE(T) ACTIVE_COPY_FUNCTION(T) = COPY_FUNCTION(T,__EV_INTERNAL); \
-  static const FREE_FUNCTION_TYPE(T) ACTIVE_FREE_FUNCTION(T) = FREE_FUNCTION(T,__EV_INTERNAL); \
-  static const HASH_FUNCTION_TYPE(T) ACTIVE_HASH_FUNCTION(T) = HASH_FUNCTION(T,__EV_INTERNAL); \
-  static const CMP_FUNCTION_TYPE(T)  ACTIVE_CMP_FUNCTION(T)  = CMP_FUNCTION(T,__EV_INTERNAL);  \
-  EV_VA_OPT(__VA_ARGS__)(EV_FOREACH_UDATA(__EV_STRUCT_METHOD_DEF, T, __VA_ARGS__)) \
   EV_WARNING_PUSH(); \
   EV_WARNING_DISABLE_GCC("override-init"); \
-  EV_WARNING_DISABLE_CLANG("override-init"); \
+  EV_WARNING_DISABLE_CLANG("initializer-overrides"); \
   EV_UNUSED static const EvTypeData TypeData(T) = { \
     EV_DEBUG(.name = EV_STRINGIZE(T),) \
     .size = sizeof(T), \
     .alignment = EV_ALIGNOF(T), \
     .default_val = (void*)&(T){0}, \
     .invalid_val = (void*)&(T){0}, \
-    .copy_fn = (ev_copy_fn)ACTIVE_COPY_FUNCTION(T), \
-    .free_fn = (ev_free_fn)ACTIVE_FREE_FUNCTION(T), \
-    .hash_fn = (ev_hash_fn)ACTIVE_HASH_FUNCTION(T), \
-    .cmp_fn  = (ev_cmp_fn) ACTIVE_CMP_FUNCTION(T)   \
+    EV_VA_OPT(__VA_ARGS__)(EV_FOREACH_UDATA(__EV_STRUCT_METHOD_DEF, T, __VA_ARGS__)) \
   }; \
   EV_WARNING_POP(); \
   EV_UNUSED static T EV_OVERRIDE_VAR(T)
 
+#define __EV_STRUCT_METHOD_DEF(T, ...) EV_CAT(EV_CAT(__EV_,EV_HEAD __VA_ARGS__),_FN)(T, EV_TAIL __VA_ARGS__)
 
-#define COPY(...)    (COPY   , __VA_ARGS__)
-#define FREE(...)    (FREE   , __VA_ARGS__)
-#define HASH(...)    (HASH   , __VA_ARGS__)
-#define CMP(...)     (CMP  , __VA_ARGS__)
-#define DEFAULT(...) (DEFAULT, __VA_ARGS__)
-#define INVALID(...) (INVALID, __VA_ARGS__)
+#define COPY(...)     (COPY     , __VA_ARGS__)
+#define FREE(...)     (FREE     , __VA_ARGS__)
+#define HASH(...)     (HASH     , __VA_ARGS__)
+#define EQUAL(...)    (EQUAL    , __VA_ARGS__)
+#define TOSTR(...)    (TOSTR    , __VA_ARGS__)
+#define TOSTRLEN(...) (TOSTRLEN , __VA_ARGS__)
+#define DEFAULT(...)  (DEFAULT  , __VA_ARGS__)
+#define INVALID(...)  (INVALID  , __VA_ARGS__)
 
-#define __EV_STRUCT_METHOD_DEF(T, ...) EV_CAT(__EV_,EV_CAT(EV_HEAD __VA_ARGS__,_FN))(T, EV_TAIL __VA_ARGS__)
-#define __EV_COPY_FN(T,name)  ACTIVE_COPY_FUNCTION(T) = (COPY_FUNCTION_TYPE(T)) COPY_FUNCTION(T,name);
-#define __EV_FREE_FN(T,name)  ACTIVE_FREE_FUNCTION(T) = (FREE_FUNCTION_TYPE(T)) FREE_FUNCTION(T,name);
-#define __EV_HASH_FN(T,name)  ACTIVE_HASH_FUNCTION(T) = (HASH_FUNCTION_TYPE(T)) HASH_FUNCTION(T,name);
-#define __EV_CMP_FN(T,name)   ACTIVE_CMP_FUNCTION(T)  = (CMP_FUNCTION_TYPE(T))  CMP_FUNCTION(T,name);
+#define __EV_COPY_FN(T,name)     .copy_fn     = (ev_copy_fn)     COPY_FUNCTION(T,name),
+#define __EV_FREE_FN(T,name)     .free_fn     = (ev_free_fn)     FREE_FUNCTION(T,name),
+#define __EV_HASH_FN(T,name)     .hash_fn     = (ev_hash_fn)     HASH_FUNCTION(T,name),
+#define __EV_EQUAL_FN(T,name)    .equal_fn    = (ev_equal_fn)    EQUAL_FUNCTION(T,name),
+#define __EV_TOSTR_FN(T,name)    .tostr_fn    = (ev_tostr_fn)    TOSTR_FUNCTION(T,name),
+#define __EV_TOSTRLEN_FN(T,name) .tostrlen_fn = (ev_tostrlen_fn) TOSTRLEN_FUNCTION(T,name),
 #define __EV_DEFAULT_FN(T, ...)  .default_val = (void*)&(T){ __VA_ARGS__ },
 #define __EV_INVALID_FN(T, ...)  .invalid_val = (void*)&(T){ __VA_ARGS__ },
 
-#define EV_COPY(T) TypeData(T).copy_fn
-#define EV_FREE(T) TypeData(T).free_fn
-#define EV_HASH(T) TypeData(T).hash_fn
-#define EV_CMP(T)  TypeData(T).cmp_fn
+[[maybe_unused]]
+static void nop() {}
+#define METHOD_CHECK(T, ...) (__VA_ARGS__ EV_DEBUG(?__VA_ARGS__:(assert(!EV_STRINGIZE(__VA_ARGS__)"not defined"),(T)nop)))
+
+#define EV_COPY(T)     METHOD_CHECK(ev_copy_fn,     TypeData(T).copy_fn)
+#define EV_FREE(T)     METHOD_CHECK(ev_free_fn,     TypeData(T).free_fn)
+#define EV_HASH(T)     METHOD_CHECK(ev_hash_fn,     TypeData(T).hash_fn)
+#define EV_EQUAL(T)    METHOD_CHECK(ev_equal_fn,    TypeData(T).equal_fn)
+#define EV_TOSTR(T)    METHOD_CHECK(ev_tostr_fn,    TypeData(T).tostr_fn)
+#define EV_TOSTRLEN(T) METHOD_CHECK(ev_tostrlen_fn, TypeData(T).tostrlen_fn)
 #define __EV_OVERRIDE_DEFAULT(T, ...) EV_OVERRIDE_VAR(T).__VA_ARGS__,
 #define __EV_DEFAULT_INTERNAL(T) (*(T*)TypeData(T).default_val)
 #define EV_DEFAULT(T, ...) EV_VA_OPT_ELSE(__VA_ARGS__) \
@@ -130,4 +133,25 @@ typedef struct {
                               (__EV_DEFAULT_INTERNAL(T))
 #define EV_INVALID(T) (*(T*)TypeData(T).invalid_val)
 
+#if defined(EV_BUILDTYPE_DEBUG) || defined(EV_BUILDTYPE_DEBUGOPT)
+#include <stdio.h>
+#endif
+DEFINE_TOSTR_FUNCTION(EvTypeData, EvTypeDataStringize)
+{
+  EV_DEBUG(
+      sprintf(out,
+              "TypeData:\n"
+     EV_DEBUG("\t name: %s\n")
+              "\t size: %u\n"
+              "\t alig: %u\n",
+     EV_DEBUG(self->name),
+              self->size,
+              self->alignment
+      );
+  )
+}
+
+TYPEDATA_GEN(EvTypeData,
+    TOSTR(EvTypeDataStringize));
+
 #endif // EV_HEADERS_TYPES_H

ev_vec.h

@@ -6,6 +6,10 @@
 #include "ev_types.h"
 #include "ev_numeric.h"
 
+#if !EV_OS_WINDOWS
+#include <string.h>
+#endif
+
 #if defined(EV_VEC_SHARED)
 # if defined (EV_VEC_IMPL)
 #  define EV_VEC_API EV_EXPORT
@@ -37,9 +41,7 @@
 #endif
 
 typedef void *ev_vec_t;
-TYPEDATA_GEN(ev_vec_t);
 typedef void *ev_svec_t;
-TYPEDATA_GEN(ev_svec_t);
 
 typedef enum {
   EV_VEC_ERR_NONE = 0,
@@ -47,11 +49,19 @@ typedef enum {
 } ev_vec_error_t;
 TYPEDATA_GEN(ev_vec_error_t, DEFAULT(EV_VEC_ERR_NONE));
 
-#if defined(EV_VEC_SHORTNAMES)
-#define vec_t  ev_vec_t
-#define svec_t ev_svec_t
+typedef struct {
+  ev_copy_fn copy;
+  ev_equal_fn equal;
+  ev_free_fn free;
+  ev_tostr_fn tostr;
+} ev_vec_overrides_t;
+TYPEDATA_GEN(ev_vec_overrides_t);
 
-#define vec_error_t ev_vec_error_t
+#if defined(EV_VEC_SHORTNAMES)
+# define vec_t  ev_vec_t
+# define svec_t ev_svec_t
+
+# define vec_error_t ev_vec_error_t
 
 # define vec(T)  ev_vec(T)
 # define svec(T) ev_svec(T)
@@ -59,10 +69,10 @@ TYPEDATA_GEN(ev_vec_error_t, DEFAULT(EV_VEC_ERR_NONE));
 # define vec_init        ev_vec_init
 # define svec_init       ev_svec_init
 # define svec_init_w_cap ev_svec_init_w_cap
+# define svec_init_w_len ev_svec_init_w_len
 # define vec_iter_begin  ev_vec_iter_begin
 # define vec_iter_end    ev_vec_iter_end
 # define vec_iter_next   ev_vec_iter_next
-# define vec_foreach     ev_vec_foreach
 # define vec_fini        ev_vec_fini
 # define vec_push        ev_vec_push
 # define vec_append      ev_vec_append
@@ -79,7 +89,7 @@ TYPEDATA_GEN(ev_vec_error_t, DEFAULT(EV_VEC_ERR_NONE));
  * \brief For the sake of readability
  * \details Sample usage:
  * ```
- * ev_vec(int) v = ev_vec_init(int, 0, 0);
+ * ev_vec(int) v = ev_vec_init(int);
  * ```
  */
 #define ev_vec(T) T*
@@ -93,8 +103,12 @@ TYPEDATA_GEN(ev_vec_error_t, DEFAULT(EV_VEC_ERR_NONE));
  */
 #define ev_svec(T) T*
 
+#define EV_VEC_MAGIC (0x65765F7665635F74)
+
 //! Metadata that is stored with a vector. Unique to each vector.
 struct ev_vec_meta_t {
+  u64 _magic;
+
   //! The number of elements in the vector.
   u64 length;
   //! The maximum length of the vector before it needs to be resized.
@@ -116,105 +130,124 @@ struct ev_vec_meta_t {
  */
 EV_VEC_API ev_vec_t
 ev_vec_init_impl(
-  EvTypeData typeData);
+  EvTypeData typeData,
+  ev_vec_overrides_t overrides);
 
 /*!
  * \brief Syntactic sugar for `ev_vec_init_impl()`
  * \details Sample usage:
  * ```
- * ev_vec_init(int);                   // ev_vec_init_impl(sizeof(int), NULL, NULL);
- * ev_vec_init(int, fn_destr);         // ev_vec_init_impl(sizeof(int), NULL, fn_destr);
- * ev_vec_init(int, fn_cpy, fn_destr); // ev_vec_init_impl(sizeof(int), fn_cpy, fn_destr);
+ * ev_vec_init(i32);                   // ev_vec_init_impl(TypeData(i32));
  * ```
  */
-#define ev_vec_init(T) ev_vec_init_impl(TypeData(T))
+#define ev_vec_init(T, ...) ev_vec_init_impl(TypeData(T), EV_DEFAULT(ev_vec_overrides_t,__VA_ARGS__))
 
-#define ev_svec_init(T, ...) __ev_svec_init_impl(T, EV_ARRSIZE((T[])__VA_ARGS__), __VA_ARGS__)
-#define ev_svec_init_w_cap(T, cap) __ev_svec_init_w_cap_impl(T, cap)
+#define ev_svec_init(T, ...) __ev_svec_init_impl(T, EV_ARRSIZE((T[])__VA_ARGS__), EV_ARRSIZE((T[])__VA_ARGS__), __VA_ARGS__)
+#define ev_svec_init_w_cap(T, cap) __ev_svec_init_impl(T, 0, cap)
+#define ev_svec_init_w_len(T, len) __ev_svec_init_impl(T, len, len)
 
-#define __ev_svec_init_impl(T, len, ...)                      \
-    (ev_svec(T))&((struct {                                   \
-      struct ev_vec_meta_t meta;                              \
-      EV_ALIGNAS(EV_ALIGNOF(T)) T data[len];                  \
-      }) {                                                    \
-        .meta.length = len,                                   \
-        .meta.capacity = len,                                 \
-        .meta.typeData.size = sizeof(T),                      \
-        .meta.typeData.alignment = EV_ALIGNOF(T),             \
-        .meta.allocationType = EV_VEC_ALLOCATION_TYPE_STACK,  \
-        .data = __VA_ARGS__                                   \
-      }).data
-
-#define __ev_svec_init_w_cap_impl(T, cap)                     \
-    (ev_svec(T))&((struct {                                   \
-      struct ev_vec_meta_t meta;                              \
-      EV_ALIGNAS(EV_ALIGNOF(T)) T data[cap];                  \
-      }) {                                                    \
-        .meta.length = 0,                                     \
-        .meta.capacity = cap,                                 \
-        .meta.typeData.size = sizeof(T),                      \
-        .meta.typeData.alignment = EV_ALIGNOF(T),             \
-        .meta.allocationType = EV_VEC_ALLOCATION_TYPE_STACK,  \
-        .data = __EV_VEC_EMPTY_ARRAY                          \
-      }).data
-
-#define ev_vec_push(v, x) ev_vec_push_impl((ev_vec_t*)&v,&x);
+static struct ev_vec_meta_t *__svec_interm_md;
+#define __ev_svec_init_impl(T, len, cap, ...) (                                                       \
+    EV_WARNING_PUSH()                                                                                 \
+    EV_WARNING_DISABLE_CLANG("unsequenced")                                                           \
+    __svec_interm_md = (void*)(u8[sizeof(T)*cap + sizeof(struct ev_vec_meta_t)]){},                   \
+    *__svec_interm_md = (struct ev_vec_meta_t){                                                       \
+      ._magic = EV_VEC_MAGIC,                                                                         \
+      .length = len,                                                                                  \
+      .capacity = cap,                                                                                \
+      .typeData = TypeData(T),                                                                        \
+      .allocationType = EV_VEC_ALLOCATION_TYPE_STACK,                                                 \
+    },                                                                                                \
+    EV_VA_OPT(__VA_ARGS__)(memcpy(&__svec_interm_md[1], (T[])__VA_ARGS__, sizeof((T[])__VA_ARGS__)),) \
+    (void*)&(__svec_interm_md[1])                                                                     \
+    EV_WARNING_POP()                                                                                  \
+  )
 
 /*!
- * \param v The vector that we want an iterator for
+ * \brief Syntactic sugar for `ev_vec_push_impl()` that allows multiple pushed in the same statement.
+ * \details Sample usage:
+ * ```
+ * ev_vec_t v;
+ * i32 x = 1;
+ * i32 y = 2;
+ * ev_vec_push(&v, &x);                   // ev_vec_push_impl(&v, &x);
+ * ev_vec_push(&v, &x, &y);               // ev_vec_push_impl(&v, &x); ev_vec_push_impl(&v, &y);
+ * ```
+ *
+ * *Note* This is possibly replaceable with a variadic function.
+ */
+#define ev_vec_push(v, ...) \
+  EV_FOREACH_UDATA(__ev_vec_internal_push, v, __VA_ARGS__);
+#define __ev_vec_internal_push(v, var) ev_vec_push_impl((ev_vec_t*)v, var);
+
+/*!
+ * \param vec_p A pointer to the vector that we want an iterator for
  *
  * \returns A pointer to the first element in a vector
  */
 EV_VEC_API void *
 ev_vec_iter_begin(
-  ev_vec_t v);
+  const void* vec_p);
 
 /*!
- * \param v The vector that we want an iterator for
+ * \param vec_p A pointer to the vector that we want an iterator for
  *
  * \returns A pointer to the memory block right after the last element in the vector
  */
 EV_VEC_API void *
 ev_vec_iter_end(
-  ev_vec_t v);
+  const void* vec_p);
 
 /*!
  * \brief A function that increments an iterator to make it point to the next
  * element in the vector
  *
- * \param v The vector that is being iterated over
+ * \param vec_p A pointer to the vector that is being iterated over
  * \param iter Reference to the iterator that is being incremented
  */
 EV_VEC_API void
 ev_vec_iter_next(
-  ev_vec_t v, 
+  const void* vec_p, 
   void **iter);
 
 /*!
- * \brief A function that destroys a vector object. If a destructor function was
- * passed while initializing the vector, then this function is called on every
- * element before all reserved memory is freed.
+ * \brief A function that looks for the index of `val` in `v`
+ *
+ * \param vec_p A pointer to the vector that is being iterated over
+ * \param val A pointer to the object that will be compared with vector elements
+ *
+ * \returns If found, index of element in vector. Otherwise, -1.
+ */
+EV_VEC_API i32
+ev_vec_find(
+    const void* vec_p,
+    void* val);
+
+/*!
+ * \brief A function that destroys a vector object. If the element type has a 
+ * destructor function, then this function is called on every element before 
+ * all reserved memory is freed.
  *
  * *Note*: For stack-allocated vectors (`svec`), destructors are called for 
  * elements but no memory is freed.
  *
- * \param v The vector that is being destroyed
+ * \param vec_p A pointer to the vector that is being destroyed
  */
 EV_VEC_API void
 ev_vec_fini(
-  ev_vec_t v);
+  void* vec_p);
 
 /*!
- * \brief A function that copies a value to the end of a vector. If a copy
- * function was passed while initializing the vector, then this function is
- * called to copy the new element into the vector. Otherwise, memcpy is used
- * with a length of `vec_meta.elemsize`. If a resize is needed but fails due to
- * 'OOM' issues, then the vector is left unchanged and VEC_ERR_OOM is returned.
+ * \brief A function that copies a value to the end of a vector. If the element
+ * type has a copy function, then this function is called to copy the new element 
+ * into the vector. Otherwise, memcpy is used with a the element type size as a
+ * copy length. If a resize is needed but fails due to 'OOM' issues, then the 
+ * vector is left unchanged and VEC_ERR_OOM is returned.
  *
  * For `svec`, as long as the capacity is more than the current size, a push
  * operation is permitted. Otherwise, the operation is treated as an OOM.
  *
- * \param v Reference to the vector object
+ * \param vec_p Reference to the vector object
  * \param val A pointer to the element that is to be copied to the end of the
  * vector
  *
@@ -223,7 +256,7 @@ ev_vec_fini(
  */
 EV_VEC_API int
 ev_vec_push_impl(
-  ev_vec_t *v,
+  void* vec_p,
   void *val);
 
 /*!
@@ -235,11 +268,11 @@ ev_vec_push_impl(
  * desired amount, an append operation is permitted. Otherwise, the operation 
  * is treated as an OOM.
  *
- * *NOTE* The vector's copy function is not used; this is merely a memcpy
+ * *NOTE* The type's copy function is not used; this is merely a memcpy
  * operation. If a deep copy is needed, individually pushing the elements of
  * the array is the way to go.
  *
- * \param v Reference to the vector object
+ * \param vec_p Reference to the vector object
  * \param arr A pointer to the array that is to be copied to the end of the
  * vector
  * \param size Number of elements in the array
@@ -249,17 +282,28 @@ ev_vec_push_impl(
  */
 EV_VEC_API u32
 ev_vec_append(
-  ev_vec_t *v,
+  void* vec_p,
   void **arr,
   u64 size);
 
+/*!
+ * \brief A function that duplicates the passed vector into a new one and returns it.
+ *
+ * \param vec_p Reference to the vector object
+ *
+ * \returns The newly created vector.
+ */
+EV_VEC_API ev_vec_t
+ev_vec_dup(
+    const void* vec_p);
+
 /*!
  * \brief A function that copies the value at the end of a vector and removes
  * it from the vector. If a copy function was passed while initializing the 
  * vector, then this function is used. Otherwise, memcpy is used with a length 
  * of `vec_meta.elemsize`
  *
- * \param v Reference to the vector object
+ * \param vec_p Reference to the vector object
  * \param out A pointer to the memory block at which the popped element will be
  * copied. If NULL is passed, then the element is destructed. Otherwise, the
  * element is copied to `out` and the receiving code is responsible for its
@@ -270,54 +314,54 @@ ev_vec_append(
  */
 EV_VEC_API ev_vec_error_t
 ev_vec_pop(
-  ev_vec_t *v, 
-  void *out);
+    void* vec_p, 
+    void *out);
 
 /*!
  * \brief A function that returns the last element in the vector.
  *
- * \param v Reference to the vector object
+ * \param vec_p A pointer to the vector object
  * 
  * \returns Pointer to the last element in the vector. NULL if the vector is
  * empty.
  */
 EV_VEC_API void *
 ev_vec_last(
-    ev_vec_t v);
+    const void* v);
 
 /*!
  * \brief A function that returns the length of a vector
  *
- * \param v The vector object
+ * \param vec_p A pointer to the vector object
  *
  * \returns Current length of the vector
  */
 EV_VEC_API u64
 ev_vec_len(
-  ev_vec_t v);
+  void* vec_p);
 
 /*!
  * \brief A function that returns the capacity of a vector
  *
- * \param v The vector object
+ * \param vec_p A pointer to the vector object
  *
  * \returns Current capacity of the vector
  */
 EV_VEC_API u64
 ev_vec_capacity(
-  ev_vec_t v);
+  const void* vec_p);
 
 /*!
  * \brief Calls the free operation (if exists) on every element, then sets
  * the length to 0.
  *
- * \param v The vector object
+ * \param vec_p A pointer to the vector object
  *
  * \returns 0 on success
  */
 EV_VEC_API u32
 ev_vec_clear(
-  ev_vec_t v);
+  const void* vec_p);
 
 /*!
  * \brief Sets the length of the vector to `len`.
@@ -329,20 +373,20 @@ ev_vec_clear(
  * For `svec`, if the `len` is more than the already allocated capacity, it is
  * treated as an OOM.
  *
- * \param v Reference to the vector object
+ * \param vec_p Reference to the vector object
  * \param len The desired new length
  *
  * \returns `VEC_ERR_NONE` on success
  */
 EV_VEC_API ev_vec_error_t
 ev_vec_setlen(
-  ev_vec_t *v, 
+  void* vec_p, 
   u64 len);
 
 /*!
  * \brief Sets the capacity of the vector to `cap`.
  *
- * \param v Reference to the vector object
+ * \param vec_p Reference to the vector object
  * \param cap The desired new capacity
  *
  * For stack-allocated vectors, `VEC_ERR_OOM` is returned
@@ -351,25 +395,50 @@ ev_vec_setlen(
  */
 EV_VEC_API ev_vec_error_t
 ev_vec_setcapacity(
-  ev_vec_t *v, 
+  void* vec_p, 
   u64 cap);
 
 /*!
  * \brief Grows the vector's capacity by a factor of `VEC_GROWTH_RATE`
  *
- * \param Reference to the vector object
+ * \param vec_p Reference to the vector object
  *
  * \returns `VEC_ERR_NONE` on success
  */
 EV_VEC_API ev_vec_error_t
 ev_vec_grow(
-  ev_vec_t *v);
+  void* vec_p);
+
+static const ev_vec_t EV_VEC_EMPTY = 
+  (ev_vec(i32))&((struct {
+    struct ev_vec_meta_t meta;
+    EV_ALIGNAS(EV_ALIGNOF(i32)) i32 data[0];
+    }) {
+      .meta._magic = EV_VEC_MAGIC,
+      .meta.length = 0,
+      .meta.capacity = 0,
+      .meta.typeData = TypeData(i32),
+      .meta.allocationType = EV_VEC_ALLOCATION_TYPE_STACK,
+      .data = __EV_VEC_EMPTY_ARRAY
+    }).data;
+
+TYPEDATA_GEN(
+    ev_vec_t,
+    INVALID(EV_VEC_EMPTY)
+);
+
+TYPEDATA_GEN(
+    ev_svec_t,
+    INVALID(EV_VEC_EMPTY)
+);
+
 
 #ifdef EV_VEC_IMPLEMENTATION
 #undef EV_VEC_IMPLEMENTATION
 
+
 #ifdef EV_VEC_API_CHECK
-#define EV_VEC_CHECK(x) do { x; } while(0)
+#define EV_VEC_CHECK(x) do { x; } while (0)
 #else
 #define EV_VEC_CHECK(x)
 #endif
@@ -381,21 +450,33 @@ ev_vec_grow(
   ((struct ev_vec_meta_t *)v) - 1
 
 #define __ev_vec_getmeta(v) \
-  struct ev_vec_meta_t *metadata = ((struct ev_vec_meta_t *)(v)) - 1;
+  struct ev_vec_meta_t *metadata = ((struct ev_vec_meta_t *)(v)) - 1; \
+  assert(metadata->_magic == EV_VEC_MAGIC);
 
 #define __ev_vec_syncmeta(v) \
   metadata = ((struct ev_vec_meta_t *)(v)) - 1;
 
 ev_vec_t
 ev_vec_init_impl(
-  EvTypeData typeData)
+  EvTypeData typeData,
+  ev_vec_overrides_t overrides)
 {
   void *v = malloc(sizeof(struct ev_vec_meta_t) + (EV_VEC_INIT_CAP * typeData.size));
   if (!v)
     return NULL;
 
+  if(overrides.copy)
+    typeData.copy_fn = overrides.copy;
+  if(overrides.equal)
+    typeData.equal_fn = overrides.equal;
+  if(overrides.free)
+    typeData.free_fn = overrides.free;
+  if(overrides.tostr)
+    typeData.tostr_fn = overrides.tostr;
+
   struct ev_vec_meta_t *metadata = (struct ev_vec_meta_t *)v;
   *metadata = (struct ev_vec_meta_t){
+    ._magic = EV_VEC_MAGIC,
     .length   = 0,
     .capacity = EV_VEC_INIT_CAP,
     .allocationType = EV_VEC_ALLOCATION_TYPE_HEAP,
@@ -405,11 +486,38 @@ ev_vec_init_impl(
   return metadata + 1;
 }
 
+i32
+ev_vec_find(
+    const void* vec_p,
+    void *val)
+{
+  ev_vec_t* v = (ev_vec_t*)vec_p;
+  __ev_vec_getmeta(*v)
+  if(metadata->typeData.equal_fn) {
+    for (void *elem = ev_vec_iter_begin(v); elem != ev_vec_iter_end(v); ev_vec_iter_next(v, &elem)) {
+      if(metadata->typeData.equal_fn(elem, val))
+      {
+        return (elem - *v) / metadata->typeData.size;
+      }
+    }
+  }
+  else {
+    for (void *elem = ev_vec_iter_begin(v); elem != ev_vec_iter_end(v); ev_vec_iter_next(v, &elem)) {
+      if(memcmp(elem, val, metadata->typeData.size) == 0)
+      {
+        return (elem - *v) / metadata->typeData.size;
+      }
+    }
+  }
+  return -1;
+}
+
 void
 ev_vec_fini(
-    ev_vec_t v)
+    void* vec_p)
 {
-  __ev_vec_getmeta(v)
+  ev_vec_t* v = (ev_vec_t*)vec_p;
+  __ev_vec_getmeta(*v)
 
   if (metadata->typeData.free_fn) {
     for (void *elem = ev_vec_iter_begin(v); elem != ev_vec_iter_end(v);
@@ -420,13 +528,16 @@ ev_vec_fini(
   if(metadata->allocationType == EV_VEC_ALLOCATION_TYPE_HEAP) {
     free(metadata);
   }
+
+  *v = EV_INVALID(ev_vec_t);
 }
 
 int
 ev_vec_push_impl(
-    ev_vec_t *v,
+    void* vec_p,
     void *val)
 {
+  ev_vec_t* v = (ev_vec_t*)vec_p;
   __ev_vec_getmeta(*v)
 
   if (metadata->length == metadata->capacity) {
@@ -450,35 +561,38 @@ ev_vec_push_impl(
 
 void *
 ev_vec_iter_begin(
-    ev_vec_t v)
+    const void* vec_p)
 {
-  return v;
+  return *(void**)vec_p;
 }
 
 void *
 ev_vec_iter_end(
-    ev_vec_t v)
+    const void* vec_p)
 {
-  __ev_vec_getmeta(v)
+  ev_vec_t* v = (ev_vec_t*)vec_p;
+  __ev_vec_getmeta(*v)
 
-  return ((char *)v) + (metadata->typeData.size * metadata->length);
+  return ((char *)*v) + (metadata->typeData.size * metadata->length);
 }
 
 void
 ev_vec_iter_next(
-    ev_vec_t v,
+    const void* vec_p,
     void **iter)
 {
-  __ev_vec_getmeta(v)
+  ev_vec_t* v = (ev_vec_t*)vec_p;
+  __ev_vec_getmeta(*v)
   *iter = ((char*)*iter) + metadata->typeData.size;
 }
 
 EV_VEC_API u32
 ev_vec_append(
-  ev_vec_t *v,
+  void* vec_p,
   void **arr,
   u64 size)
 {
+  ev_vec_t* v = (ev_vec_t*)vec_p;
   __ev_vec_getmeta(*v)
   size_t old_len = metadata->length;
   size_t req_len = old_len + size;
@@ -495,11 +609,35 @@ ev_vec_append(
   return (int)old_len;
 }
 
+EV_VEC_API ev_vec_t
+ev_vec_dup(
+    const void* vec_p)
+{
+  ev_vec_t v_orig = *(ev_vec_t*)vec_p;
+  __ev_vec_getmeta(v_orig)
+  ev_vec_t v_new = ev_vec_init_impl(metadata->typeData, (ev_vec_overrides_t){0});
+  ev_vec_setcapacity(&v_new, metadata->length);
+
+  if(metadata->typeData.copy_fn)
+  {
+    for(int i = 0; i < metadata->length; i++)
+      ev_vec_push_impl(&v_new, (u8*)v_orig + (metadata->typeData.size * i));
+  }
+  else
+  {
+    ev_vec_setlen(&v_new, metadata->length);
+    memcpy(v_new, v_orig, metadata->length * metadata->typeData.size);
+  }
+
+  return v_new;
+}
+
 ev_vec_error_t
 ev_vec_pop(
-    ev_vec_t *v, 
+    void* vec_p, 
     void *out)
 {
+  ev_vec_t* v = (ev_vec_t*)vec_p;
   __ev_vec_getmeta(*v)
 
   if(out != NULL) {
@@ -523,38 +661,42 @@ ev_vec_pop(
 
 void *
 ev_vec_last(
-    ev_vec_t v)
+    const void* vec_p)
 {
-  __ev_vec_getmeta(v)
+  ev_vec_t* v = (ev_vec_t*)vec_p;
+  __ev_vec_getmeta(*v)
 
   if(metadata->length == 0) {
     return NULL;
   }
 
-  return ((char *)v) + ((metadata->length-1) * metadata->typeData.size);
+  return ((char *)*v) + ((metadata->length-1) * metadata->typeData.size);
 }
 
 u64
 ev_vec_len(
-    ev_vec_t v)
+    void* vec_p)
 {
-  __ev_vec_getmeta(v)
+  ev_vec_t* v = (ev_vec_t*)vec_p;
+  __ev_vec_getmeta(*v)
   return metadata->length;
 }
 
 u64
 ev_vec_capacity(
-    ev_vec_t v)
+    const void* vec_p)
 {
-  __ev_vec_getmeta(v)
+  ev_vec_t* v = (ev_vec_t*)vec_p;
+  __ev_vec_getmeta(*v)
   return metadata->capacity;
 }
 
 u32
 ev_vec_clear(
-    ev_vec_t v)
+    const void* vec_p)
 {
-  __ev_vec_getmeta(v)
+  ev_vec_t* v = (ev_vec_t*)vec_p;
+  __ev_vec_getmeta(*v)
 
   if (metadata->typeData.free_fn) {
     for (void *elem = ev_vec_iter_begin(v); elem != ev_vec_iter_end(v);
@@ -569,9 +711,10 @@ ev_vec_clear(
 
 ev_vec_error_t
 ev_vec_setlen(
-    ev_vec_t *v, 
+    void* vec_p, 
     u64 len)
 {
+  ev_vec_t* v = (ev_vec_t*)vec_p;
   __ev_vec_getmeta(*v)
 
   while(len > metadata->capacity) {
@@ -582,18 +725,16 @@ ev_vec_setlen(
     __ev_vec_syncmeta(*v)
   }
 
-  // TODO if new_len < old_len:
-  //        vec_pop(old_len - new_len)
-
   metadata->length = len;
   return EV_VEC_ERR_NONE;
 }
 
 ev_vec_error_t
 ev_vec_setcapacity(
-    ev_vec_t *v, 
+    void* vec_p, 
     u64 cap)
 {
+  ev_vec_t* v = (ev_vec_t*)vec_p;
   __ev_vec_getmeta(*v)
 
   if(metadata->allocationType == EV_VEC_ALLOCATION_TYPE_STACK) {
@@ -623,8 +764,9 @@ ev_vec_setcapacity(
 
 ev_vec_error_t
 ev_vec_grow(
-    ev_vec_t *v)
+    void* vec_p)
 {
+  ev_vec_t* v = (ev_vec_t*)vec_p;
   __ev_vec_getmeta(*v)
   return ev_vec_setcapacity(v, metadata->capacity * EV_VEC_GROWTH_RATE);
 }

log_test.c

@@ -0,0 +1,9 @@
+#define EV_LOG_IMPLEMENTATION
+#include "ev_log.h"
+
+
+int main()
+{
+  ev_log_trace("Trace Log");
+  return 0;
+}

meson.build

@@ -1,5 +1,5 @@
 project('evol-headers', 'c',
-  default_options : [ 'c_std=gnu17' ])
+  default_options : [ 'c_std=gnu23' ])
 
 headers_include = include_directories('.')
 
@@ -16,24 +16,40 @@ endif
 cc = meson.get_compiler('c')
 if cc.get_id() == 'msvc'
   evh_c_args += '/Zc:preprocessor'
+elif cc.get_id() == 'clang'
+  evh_c_args += '-DEV_CC_CLANG=1'
 endif
 
 # All other targets should follow the same template
 str_lib = static_library('ev_str', files('buildfiles/ev_str.c'), c_args: evh_c_args)
 vec_lib = static_library('ev_vec', files('buildfiles/ev_vec.c'), c_args: evh_c_args)
+helpers_lib = static_library('ev_helpers', files('buildfiles/ev_helpers.c'), c_args: evh_c_args)
+log_lib = static_library('ev_log', files('buildfiles/ev_log.c'), c_args: evh_c_args)
 
 str_dep = declare_dependency(link_with: str_lib, include_directories: headers_include)
 vec_dep = declare_dependency(link_with: vec_lib, include_directories: headers_include)
+helpers_dep = declare_dependency(link_with: helpers_lib, include_directories: headers_include)
+log_dep = declare_dependency(link_with: log_lib, include_directories: headers_include)
 
 headers_dep = declare_dependency(
   dependencies: [
     str_dep,
     vec_dep,
+    helpers_dep,
+    log_dep
   ]
 )
 
+# Tests
+str_test = executable('str_test', 'str_test.c', dependencies: [str_dep], c_args: evh_c_args)
+test('evstr', str_test)
+log_test = executable('log_test', 'log_test.c', dependencies: [log_dep], c_args: evh_c_args)
+test('evlog', log_test)
+
 if meson.version().version_compare('>= 0.54.0')
   meson.override_dependency('ev_vec', vec_dep)
   meson.override_dependency('ev_str', str_dep)
+  meson.override_dependency('ev_helpers', helpers_dep)
+  meson.override_dependency('ev_log', log_dep)
   meson.override_dependency('evol-headers', headers_dep)
 endif

str_test.c

@@ -56,5 +56,26 @@ int main()
   assert(search_results[1].offset == 26);
   assert(search_results[2].offset == 56);
 
+  { // PushFmt Bug
+    printf("PushFmt Bug");
+    evstring heap_str = evstring_new("Heap 'Hello, World!'");
+    printf("Heap String: %s, Length: %llu\n", heap_str, evstring_getLength(heap_str));
+
+    evstring_error_t res = evstring_push(&heap_str, "%.05f", 1.0f);
+    printf("Push Fmt #1: %s, New Length: %llu\n", heap_str, evstring_getLength(heap_str));
+    assert(evstring_getLength(heap_str) == 27);
+    assert(strcmp(heap_str, "Heap 'Hello, World!'1.00000") == 0);
+    assert(res == EV_STR_ERR_NONE);
+
+    /*evstring_push(&heap_str, "%.05f, %.05f, %.05f", 1.0f, 2.0f, 3.0f);*/
+    res = evstring_push(&heap_str, "Something");
+    printf("Push Fmt #2: %s, New Length: %llu\n", heap_str, evstring_getLength(heap_str));
+    assert(evstring_getLength(heap_str) == 36);
+    assert(strcmp(heap_str, "Heap 'Hello, World!'1.00000Something") == 0);
+    assert(res == EV_STR_ERR_NONE);
+
+    evstring_free(heap_str);
+  }
+
   return 0;
 }

tostr_test.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include "ev_types.h"
+#include "ev_numeric.h"
+
+typedef struct {
+  char *name;
+  int age;
+  char *desc;
+} Person;
+
+DEFINE_TOSTR_FUNCTION(Person, PERSON_PRINT)
+{
+  sprintf(out, "%s:\n\tage: %d\n\tdesc: %s", self->name, self->age, self->desc);
+}
+
+TYPEDATA_GEN(Person,
+    TOSTR(PERSON_PRINT),
+    DEFAULT(
+        .name = "sisyphus",
+        .age = 9999,
+        .desc = "One can only imagine him happy"
+    ),
+    INVALID(
+        .name = NULL,
+        .age = -1,
+        .desc = NULL
+    )
+);
+
+int main()
+{
+  puts("");
+  char out[256] = {};
+
+  Person sisyphue = EV_DEFAULT(Person);
+  EV_TOSTR(Person)(&sisyphue, out);
+
+  puts(out);
+  return 0;
+}