diff options
| author | Marcus Boerger <helly@php.net> | 2007-02-24 18:20:46 +0000 |
|---|---|---|
| committer | Marcus Boerger <helly@php.net> | 2007-02-24 18:20:46 +0000 |
| commit | 1345740fa5fbfce210d0c68d1f032b26d6973236 (patch) | |
| tree | c673e0fccb6bd014a4bab580fa483101433c6634 /main/snprintf.h | |
| parent | 3588f9eed61804ab475ae2ed5c4160d92590e771 (diff) | |
| download | php-git-1345740fa5fbfce210d0c68d1f032b26d6973236.tar.gz | |
- Add [v]slprintf to overcome the returnvalues issue of snprintf
Diffstat (limited to 'main/snprintf.h')
| -rw-r--r-- | main/snprintf.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/main/snprintf.h b/main/snprintf.h index 8e66c458ba..ef6757d166 100644 --- a/main/snprintf.h +++ b/main/snprintf.h @@ -21,7 +21,7 @@ /* -Comparing: sprintf, snprintf, spprintf +Comparing: sprintf, snprintf, slprintf, spprintf sprintf offers the ability to make a lot of failures since it does not know the size of the buffer it uses. Therefore usage of sprintf often @@ -36,6 +36,11 @@ snprintf knows the buffers size and will not write behind it. But you will A bad thing is having a big maximum while in most cases you would only need a small buffer. If the size of the resulting string is longer or equal to the buffer size than the buffer is not terminated. + The function also returns the number of chars not including the + terminating \0 that were needed to fully comply to the print request. + +slprintf same as snprintf with the difference that it actually returns the + length printed not including the terminating \0. spprintf is the dynamical version of snprintf. It allocates the buffer in size as needed and allows a maximum setting as snprintf (turn this feature @@ -73,6 +78,8 @@ typedef enum { BEGIN_EXTERN_C() +PHPAPI int ap_php_slprintf(char *buf, size_t len, const char *format,...) PHP_ATTRIBUTE_FORMAT(printf, 3, 4); +PHPAPI int ap_php_vslprintf(char *buf, size_t len, const char *format, va_list ap) PHP_ATTRIBUTE_FORMAT(printf, 3, 0); PHPAPI int ap_php_snprintf(char *, size_t, const char *, ...) PHP_ATTRIBUTE_FORMAT(printf, 3, 4); PHPAPI int ap_php_vsnprintf(char *, size_t, const char *, va_list ap) PHP_ATTRIBUTE_FORMAT(printf, 3, 0); PHPAPI int php_sprintf (char* s, const char* format, ...) PHP_ATTRIBUTE_FORMAT(printf, 2, 3); @@ -82,6 +89,16 @@ PHPAPI char * php_conv_fp(register char format, register double num, END_EXTERN_C() +#ifdef slprintf +#undef slprintf +#endif +#define slprintf ap_php_slprintf + +#ifdef vslprintf +#undef vslprintf +#endif +#define vslprintf ap_php_vslprintf + #ifdef snprintf #undef snprintf #endif |