use a temporary variable to free the memory in case
realloc() fails.
Signed-off-by: Arjun Sreedharan <arjun024@xxxxxxxxx>
---
compat/win32/syslog.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/compat/win32/syslog.c b/compat/win32/syslog.c
index d015e43..3409e43 100644
--- a/compat/win32/syslog.c
+++ b/compat/win32/syslog.c
@@ -16,7 +16,7 @@ void openlog(const char *ident, int logopt, int facility)
void syslog(int priority, const char *fmt, ...)
{
WORD logtype;
- char *str, *pos;
+ char *str, *str_temp, *pos;
int str_len;
va_list ap;
@@ -43,9 +43,11 @@ void syslog(int priority, const char *fmt, ...)
va_end(ap);
while ((pos = strstr(str, "%1")) != NULL) {
+ str_temp = str;
str = realloc(str, ++str_len + 1);
if (!str) {
warning("realloc failed: '%s'", strerror(errno));
+ free(str_temp);
return;
}
memmove(pos + 2, pos + 1, strlen(pos));
--
1.8.1.msysgit.1
--
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