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Avoid calling strcmp on nullptr

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The function group_handler may get a nullptr as `new_group`. If that's
the case, return true, as if `new_group` was the empty string.

Also make the conversion to bool explicit when calling `strcmp`.
This commit is contained in:
Till Hofmann 2020-02-10 13:05:16 +01:00 committed by Simon Ser
parent 46561fc914
commit 0f5157668d
1 changed files with 4 additions and 1 deletions
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5
swaybar/tray/icon.c
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@ -89,7 +89,10 @@ static bool validate_icon_theme(struct icon_theme *theme) {
static bool group_handler(char *old_group, char *new_group, static bool group_handler(char *old_group, char *new_group,
struct icon_theme *theme) { struct icon_theme *theme) {
if (!old_group) { // first group must be "Icon Theme" if (!old_group) { // first group must be "Icon Theme"
return strcmp(new_group, "Icon Theme"); if (!new_group) {
return true;
}
return strcmp(new_group, "Icon Theme") != 0;
} }
if (strcmp(old_group, "Icon Theme") == 0) { if (strcmp(old_group, "Icon Theme") == 0) {