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Fix size_t temporary underflow in log_loaded_themes 

`len` will underflow but will overflow right after, so it's not as bad as it
may appear. Still better not to under/overflow at all.

Fixes https://github.com/swaywm/sway/issues/3862
This commit is contained in:
emersion 2019-03-11 17:00:06 +01:00 committed by Brian Ashworth
parent 783b3d6b37
commit bcde298a71
1 changed files with 3 additions and 3 deletions
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6
swaybar/tray/icon.c
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@ -307,16 +307,16 @@ static void log_loaded_themes(list_t *themes) {
return;
}
const char *sep = ", ";
const char sep[] = ", ";
size_t sep_len = strlen(sep);
size_t len = 1 - sep_len;
size_t len = 0;
for (int i = 0; i < themes->length; ++i) {
struct icon_theme *theme = themes->items[i];
len += strlen(theme->name) + sep_len;
}
char *str = malloc(len);
char *str = malloc(len + 1);
if (!str) {
return;
}