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Validate icon_struct in read_theme_file 

The read_theme_file function used to return an invalid icon_struct in
some cases, for example when an empty index.theme file was read.

This makes sure the struct we're returning is always valid as per the
Icon Theme specification.

Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>
This commit is contained in:
Maxime “pep” Buquet 2019-04-20 18:52:03 +01:00 committed by Brian Ashworth
parent 9099adbbe6
commit 20762ecb3c
1 changed files with 6 additions and 2 deletions
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8
swaybar/tray/icon.c
View File

@ -82,6 +82,10 @@ static int cmp_group(const void *item, const void *cmp_to) {
return strcmp(item, cmp_to);
}
static bool validate_icon_theme(struct icon_theme *theme) {
return theme && theme->name && theme->comment && theme->directories;
}
static bool group_handler(char *old_group, char *new_group,
struct icon_theme *theme) {
if (!old_group) { // first group must be "Icon Theme"
@ -89,7 +93,7 @@ static bool group_handler(char *old_group, char *new_group,
}
if (strcmp(old_group, "Icon Theme") == 0) {
if (!(theme->name && theme->comment && theme->directories)) {
if (!validate_icon_theme(theme)) {
return true;
}
} else {
@ -276,7 +280,7 @@ static struct icon_theme *read_theme_file(char *basedir, char *theme_name) {
free(full_line);
fclose(theme_file);
if (!error) {
if (!error && validate_icon_theme(theme)) {
theme->dir = strdup(theme_name);
return theme;
} else {