diff options
Diffstat (limited to 'portability.h')
-rw-r--r-- | portability.h | 71 |
1 files changed, 32 insertions, 39 deletions
diff --git a/portability.h b/portability.h index 6786d570..47c9f470 100644 --- a/portability.h +++ b/portability.h @@ -45,46 +45,40 @@ extern "C" { #endif -#ifndef HAVE_STRLCPY - /* - * Macro that does the same thing as strlcpy(). - */ - #if defined(_MSC_VER) || defined(__MINGW32__) - /* - * strncpy_s() is supported at least back to Visual - * Studio 2005. - */ - #define strlcpy(x, y, z) \ - strncpy_s((x), (z), (y), _TRUNCATE) - - #else - #define strlcpy(x, y, z) \ - (strncpy((x), (y), (z)), \ - ((z) <= 0 ? 0 : ((x)[(z) - 1] = '\0')), \ - (void) strlen((y))) - #endif +#ifdef HAVE_STRLCAT + #define pcap_strlcat strlcat +#else + #if defined(_MSC_VER) || defined(__MINGW32__) + /* + * strncat_s() is supported at least back to Visual + * Studio 2005. + */ + #define pcap_strlcat(x, y, z) \ + strncat_s((x), (z), (y), _TRUNCATE) + #else + /* + * Define it ourselves. + */ + extern size_t pcap_strlcat(char * restrict dst, const char * restrict src, size_t dstsize); + #endif #endif -#ifndef HAVE_STRLCAT - /* - * Macro that does the same thing as strlcat(). - */ - #if defined(_MSC_VER) || defined(__MINGW32__) - /* - * strncat_s() is supported at least back to Visual - * Studio 2005. - */ - #define strlcat(x, y, z) \ - strncat_s((x), (z), (y), _TRUNCATE) - #else - /* - * ANSI C says strncat() always null-terminates its first argument, - * so 1) we don't need to explicitly null-terminate the string - * ourselves and 2) we need to leave room for the null terminator. - */ - #define strlcat(x, y, z) \ - strncat((x), (y), (z) - strlen((x)) - 1) - #endif +#ifdef HAVE_STRLCPY + #define pcap_strlcpy strlcpy +#else + #if defined(_MSC_VER) || defined(__MINGW32__) + /* + * strncpy_s() is supported at least back to Visual + * Studio 2005. + */ + #define pcap_strlcpy(x, y, z) \ + strncpy_s((x), (z), (y), _TRUNCATE) + #else + /* + * Define it ourselves. + */ + extern size_t pcap_strlcpy(char * restrict dst, const char * restrict src, size_t dstsize); + #endif #endif #ifdef _MSC_VER @@ -148,7 +142,6 @@ extern int pcap_vsnprintf(char *, size_t, const char *, va_list ap); /* * Define it ourselves. */ - #define NEED_STRTOK_R extern char *pcap_strtok_r(char *, const char *, char **); #endif #endif /* HAVE_STRTOK_R */ |