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make sprintf an overrideable

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This commit is contained in:
ryanfleury
2021-09-24 19:09:46 -06:00
parent c73e6961a5
commit 6ba42a67e6
2 changed files with 14 additions and 6 deletions
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source/md.c
+5 -5
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@@ -597,9 +597,9 @@ MD_GetScratchDefault(MD_Arena **conflicts, MD_u64 count){
#define MD_UNTERMINATED_TOKEN_LEN_CAP 20
#if !defined(MD_NO_STB_SPRINTF)
#define MD_STB_SPRINTF_IMPLEMENTATION
#define MD_STB_SPRINTF_DECORATE(name) md_stbsp_##name
#if MD_DEFAULT_SPRINTF
#define STB_SPRINTF_IMPLEMENTATION
#define STB_SPRINTF_DECORATE(name) md_stbsp_##name
#include "md_stb_sprintf.h"
#endif
@@ -908,11 +908,11 @@ MD_S8FmtV(MD_Arena *arena, char *fmt, va_list args)
MD_String8 result = MD_ZERO_STRUCT;
va_list args2;
va_copy(args2, args);
MD_u64 needed_bytes = md_stbsp_vsnprintf(0, 0, fmt, args)+1;
MD_u64 needed_bytes = MD_IMPL_Vsnprintf(0, 0, fmt, args)+1;
result.str = MD_PushArray(arena, MD_u8, needed_bytes);
result.size = needed_bytes - 1;
result.str[needed_bytes-1] = 0;
md_stbsp_vsnprintf((char*)result.str, needed_bytes, fmt, args2);
MD_IMPL_Vsnprintf((char*)result.str, needed_bytes, fmt, args2);
return result;
}
source/md.h
+9 -1
View File
@@ -43,6 +43,9 @@
** "scratch constants" ** OPTIONAL (required for default scratch)
** #define MD_IMPL_ScratchCount MD_u64 / default 2
**
** "sprintf" ** OPTIONAL (default implementation available)
** #define MD_IMPL_Vsnprintf (char * buf, int count, char const * fmt, va_list va) -> int
**
** Default Implementation Controls
** These controls default to '1' i.e. 'enabled'
** #define MD_DEFAULT_MEMSET -> construct "memset" from CRT
@@ -50,6 +53,7 @@
** #define MD_DEFAULT_MEMORY -> construct "low level memory" from OS headers
** #define MD_DEFAULT_ARENA -> construct "arena" from "low level memory"
** #define MD_DEFAULT_SCRATCH -> construct "scratch" from "arena"
** #define MD_DEFAULT_SPRINTF -> construct "vsnprintf" from internal implementaion
**
*/
@@ -72,6 +76,9 @@
#if !defined(MD_DEFAULT_SCRATCH)
# define MD_DEFAULT_SCRATCH 1
#endif
#if !defined(MD_DEFAULT_SPRINTF)
# define MD_DEFAULT_SPRINTF 1
#endif
#if !defined(MD_ENABLE_PRINT_HELPERS)
# define MD_ENABLE_PRINT_HELPERS 0
@@ -384,8 +391,9 @@
#define MD_MemoryCopy(d,s,z) (MD_IMPL_Memmove(d,s,z))
//~ sprintf
#if !defined(MD_NO_STB_SPRINTF)
#if MD_DEFAULT_SPRINTF
#define STB_SPRINTF_DECORATE(name) md_stbsp_##name
#define MD_IMPL_Vsnprintf md_stbsp_vsnprintf
#include "md_stb_sprintf.h"
#endif