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exactness: player: allow space for the terminating null 

Allocate extra space for the terminating null byte and / of the string.
Switch to snprintf() as well.

CID: 1419863

Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Differential Revision: https://phab.enlightenment.org/D11410
This commit is contained in:
Stefan Schmidt 2020-02-25 11:20:21 +01:00
parent 070333c8cc
commit fa0fd8214f
1 changed files with 3 additions and 2 deletions
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5
src/bin/exactness/player.c
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@ -1004,8 +1004,9 @@ _old_shots_rm_cb(const char *name, const char *path, void *data)
unsigned int len = strlen(prefix);
if (!strncmp(name, prefix, len) && (strlen(name) > len) && (name[len] == SHOT_DELIMITER))
{
char *buf = alloca(strlen(path) + strlen(name));
sprintf(buf, "%s/%s", path, name);
unsigned int length = strlen(path) + strlen(name) + 2;
char *buf = alloca(length);
snprintf(buf, length, "%s/%s", path, name);
if (unlink(buf))
{
printf("Failed deleting '%s/%s': ", path, name);