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Added SDL_wcslcpy and SDL_wcslcat.

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This commit is contained in:
dewyatt 2010-08-03 16:52:10 -04:00
parent cae6f1376d
commit 12881b428c
2 changed files with 40 additions and 0 deletions
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13
include/SDL_stdinc.h
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@ -470,6 +470,19 @@ extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string);
extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t * string); extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t * string);
#endif #endif
#ifdef HAVE_WCSLCPY
#define SDL_wcslcpy wcslcpy
#else
extern DECLSPEC size_t SDLCALL SDL_wcslcpy(wchar_t *dst, const wchar_t *src, size_t maxlen);
#endif
#ifdef HAVE_WCSLCAT
#define SDL_wcslcat wcslcat
#else
extern DECLSPEC size_t SDLCALL SDL_wcslcat(wchar_t *dst, const wchar_t *src, size_t maxlen);
#endif
#ifdef HAVE_STRLCPY #ifdef HAVE_STRLCPY
#define SDL_strlcpy strlcpy #define SDL_strlcpy strlcpy
#else #else

27
src/stdlib/SDL_string.c
View file

@ -363,6 +363,33 @@ SDL_wcslen(const wchar_t * string)
} }
#endif #endif
#ifndef HAVE_WCSLCPY
size_t
SDL_wcslcpy(wchar_t *dst, const wchar_t *src, size_t maxlen)
{
size_t srclen = SDL_wcslen(src);
if (maxlen > 0) {
size_t len = SDL_min(srclen, maxlen - 1);
SDL_memcpy(dst, src, len * sizeof(wchar_t));
dst[len] = '\0';
}
return srclen;
}
#endif
#ifndef HAVE_WCSLCAT
size_t
SDL_wcslcat(wchar_t *dst, const wchar_t *src, size_t maxlen)
{
size_t dstlen = SDL_wcslen(dst);
size_t srclen = SDL_wcslen(src);
if (dstlen < maxlen) {
SDL_wcslcpy(dst + dstlen, src, maxlen - dstlen);
}
return dstlen + srclen;
}
#endif
#ifndef HAVE_STRLCPY #ifndef HAVE_STRLCPY
size_t size_t
SDL_strlcpy(char *dst, const char *src, size_t maxlen) SDL_strlcpy(char *dst, const char *src, size_t maxlen)