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obs-ffmpeg: Replace invocations of sprintf with snprintf

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Fixes deprecation warnings in Xcode 14/clang on macOS and reduces
chance of buffer overflows.
This commit is contained in:
PatTheMav
2022-11-09 22:44:02 +01:00
parent 49ad848514
commit d87467666b
1 changed files with 9 additions and 4 deletions
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plugins/obs-ffmpeg/obs-ffmpeg-vaapi.c
+9 -4
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@@ -629,12 +629,17 @@ static obs_properties_t *vaapi_properties(void *unused)
os_closedir(by_path_dir);
}
if (obs_property_list_item_count(list) == 0) {
char path[32] = "/dev/dri/renderD1";
char path[32];
for (int i = 28;; i++) {
sprintf(path, "/dev/dri/renderD1%d", i);
snprintf(path, sizeof(path), "/dev/dri/renderD1%d", i);
if (access(path, F_OK) == 0) {
char card[128] = "Card: ";
sprintf(card, "Card%d: %s", i - 28, path);
char card[128];
int ret = snprintf(card, sizeof(card),
"Card%d: %s", i - 28, path);
if (ret >= sizeof(card))
blog(LOG_DEBUG,
"obs-ffmpeg-vaapi: A format truncation may have occurred."
" This can be ignored since it is quite improbable.");
obs_property_list_add_string(list, card, path);
} else {
break;