From 41adf21f1fde09a07054cd9daa096b7212ab2b7c Mon Sep 17 00:00:00 2001 From: assar Date: Sat, 16 Jun 2001 05:37:57 +0000 Subject: free memory that gets allocated by vfprintf when str == NULL PR: misc/26044 MFC after: 1 week --- lib/libc/stdio/snprintf.c | 2 ++ lib/libc/stdio/sprintf.c | 2 ++ lib/libc/stdio/vsnprintf.c | 2 ++ lib/libc/stdio/vsprintf.c | 2 ++ 4 files changed, 8 insertions(+) (limited to 'lib/libc/stdio') diff --git a/lib/libc/stdio/snprintf.c b/lib/libc/stdio/snprintf.c index fe21129..3463c05 100644 --- a/lib/libc/stdio/snprintf.c +++ b/lib/libc/stdio/snprintf.c @@ -87,5 +87,7 @@ snprintf(str, n, fmt, va_alist) if (on > 0) *f._p = '\0'; va_end(ap); + if (str == NULL) + free(f._bf._base); return (ret); } diff --git a/lib/libc/stdio/sprintf.c b/lib/libc/stdio/sprintf.c index a810096..04910e0 100644 --- a/lib/libc/stdio/sprintf.c +++ b/lib/libc/stdio/sprintf.c @@ -77,5 +77,7 @@ sprintf(str, fmt, va_alist) ret = __vfprintf(&f, fmt, ap); va_end(ap); *f._p = 0; + if (str == NULL) + free(f._bf._base); return (ret); } diff --git a/lib/libc/stdio/vsnprintf.c b/lib/libc/stdio/vsnprintf.c index b301b08..3b76259 100644 --- a/lib/libc/stdio/vsnprintf.c +++ b/lib/libc/stdio/vsnprintf.c @@ -69,5 +69,7 @@ vsnprintf(str, n, fmt, ap) ret = __vfprintf(&f, fmt, ap); if (on > 0) *f._p = '\0'; + if (str == NULL) + free(f._bf._base); return (ret); } diff --git a/lib/libc/stdio/vsprintf.c b/lib/libc/stdio/vsprintf.c index dbfd339..9bcd075 100644 --- a/lib/libc/stdio/vsprintf.c +++ b/lib/libc/stdio/vsprintf.c @@ -61,5 +61,7 @@ vsprintf(str, fmt, ap) f._bf._size = f._w = INT_MAX; ret = __vfprintf(&f, fmt, ap); *f._p = 0; + if (str == NULL) + free(f._bf._base); return (ret); } -- cgit v1.1