diff options
Diffstat (limited to 'stdio-common')
| -rw-r--r-- | stdio-common/vfprintf.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c index e59d6fbcd1..f181a0ae00 100644 --- a/stdio-common/vfprintf.c +++ b/stdio-common/vfprintf.c @@ -1084,7 +1084,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) outstring (string, len); \ if (left) \ PAD (L' '); \ - if (string_malloced) \ + if (__builin_expect (string_malloced, 0)) \ free (string); \ } \ break; @@ -1255,7 +1255,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) outstring (string, len); \ if (left) \ PAD (' '); \ - if (string_malloced) \ + if (__builtin_expect (string_malloced, 0)) \ free (string); \ } \ break; @@ -1595,7 +1595,8 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) /* The format is correctly handled. */ ++nspecs_done; - free (workstart); + if (__builtin_expect (workstart != NULL, 0)) + free (workstart); workstart = NULL; /* Look for next format specifier. */ @@ -1893,7 +1894,8 @@ do_positional: break; } - free (workstart); + if (__builtin_expect (workstart != NULL, 0)) + free (workstart); workstart = NULL; /* Write the following constant string. */ @@ -1904,7 +1906,8 @@ do_positional: } all_done: - free (workstart); + if (__builtin_expect (workstart != NULL, 0)) + free (workstart); /* Unlock the stream. */ #ifdef USE_IN_LIBIO _IO_funlockfile (s); |