mirrors/sway
1
0
Fork 0
mirror of https://github.com/swaywm/sway.git synced 2026-04-29 06:46:22 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Don't overflow the buffer when buffer would overflow.

Browse source 
The code was taking the pointer size rather than the length of the
string when strcpy:ing into the buffer.
This commit is contained in:
John Axel Eriksson 2018-10-17 15:55:06 +02:00
parent 434cbaabf0
commit 4dd76b7d1e
No known key found for this signature in database
GPG key ID: 04ED6F42C62F42E9
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
common/pango.c
View file

@ -92,7 +92,7 @@ void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
va_list args;
va_start(args, fmt);
if (vsnprintf(buf, sizeof(buf), fmt, args) >= max_chars) {
strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow);
strcpy(&buf[sizeof(buf) - strlen(overflow) - 1], overflow);
}
va_end(args);
@ -112,7 +112,7 @@ void pango_printf(cairo_t *cairo, const char *font,
va_list args;
va_start(args, fmt);
if (vsnprintf(buf, sizeof(buf), fmt, args) >= max_chars) {
strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow);
strcpy(&buf[sizeof(buf) - strlen(overflow) - 1], overflow);
}
va_end(args);