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Description: Avoid potential buffer overflow in strncpy.
The strncpy() method do not write a null byte at the end if the buffer is
to small for the entire string, so ensure there is a null byte present using other means.
This avoid the following compiler warning:
yamdi.c:320:33: warning: ‘__builtin_strncpy’ specified bound 256 equals destination size [-Wstringop-truncation]
320 | strncpy(flv.options.creator, optarg, sizeof(flv.options.creator));
| ^
Author: Petter Reinholdtsen
Author: xiao sheng wen <atzlinux@debian.org>
Forwarded: no-need
Reviewed-by: xiao sheng wen <atzlinux@debian.org>
Last-Update: 2025-04-21
---
diff --git a/yamdi.c b/yamdi.c
index ac9e0e6..665acc2 100644
--- a/yamdi.c
+++ b/yamdi.c
@@ -317,7 +317,7 @@ int main(int argc, char **argv) {
tempfile = optarg;
break;
case 'c':
- strncpy(flv.options.creator, optarg, sizeof(flv.options.creator));
+ strncpy(flv.options.creator, optarg, sizeof(flv.options.creator)-1);
break;
case 'l':
case 's':
|
