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config: handle missing HOME env variable gracefully

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Fixes: https://github.com/emersion/xdg-desktop-portal-wlr/issues/149
This commit is contained in:
columbarius 2021-06-17 09:10:09 +02:00 committed by Simon Ser
parent 71730982da
commit 6438edb7b9
1 changed files with 6 additions and 3 deletions
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9
src/core/config.c
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@ -106,9 +106,12 @@ static char *config_path(const char *prefix, const char *filename) {
static char *get_config_path(void) { static char *get_config_path(void) {
const char *home = getenv("HOME"); const char *home = getenv("HOME");
size_t size_fallback = 1 + strlen(home) + strlen("/.config"); char *config_home_fallback = NULL;
char *config_home_fallback = calloc(size_fallback, sizeof(char)); if (home != NULL && home[0] != '\0') {
snprintf(config_home_fallback, size_fallback, "%s/.config", home); size_t size_fallback = 1 + strlen(home) + strlen("/.config");
config_home_fallback = calloc(size_fallback, sizeof(char));
snprintf(config_home_fallback, size_fallback, "%s/.config", home);
}
const char *config_home = getenv("XDG_CONFIG_HOME"); const char *config_home = getenv("XDG_CONFIG_HOME");
if (config_home == NULL || config_home[0] == '\0') { if (config_home == NULL || config_home[0] == '\0') {