util: Introduce env helpers

This commit is contained in:
Alexander Orzechowski 2022-08-19 09:59:30 -04:00
parent e7477c7114
commit 31a9fc1fb6
3 changed files with 50 additions and 0 deletions

11
include/util/env.h Normal file
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@ -0,0 +1,11 @@
#ifndef UTIL_ENV_H
#define UTIL_ENV_H
#include <stdbool.h>
#include <unistd.h>
bool env_parse_bool(const char *option);
ssize_t env_parse_switch(const char *option, const char **switches);
#endif

38
util/env.c Normal file
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@ -0,0 +1,38 @@
#include <stdlib.h>
#include <string.h>
#include <wlr/util/log.h>
#include "util/env.h"
bool env_parse_bool(const char *option) {
const char *env = getenv(option);
if (env) {
wlr_log(WLR_INFO, "Loading %s option: %s", option, env);
}
if (!env || strcmp(env, "0") == 0) {
return false;
} else if (strcmp(env, "1") == 0) {
return true;
}
wlr_log(WLR_ERROR, "Unknown %s option: %s", option, env);
return false;
}
ssize_t env_parse_switch(const char *option, const char **switches) {
const char *env = getenv(option);
if (env) {
wlr_log(WLR_INFO, "Loading %s option: %s", option, env);
} else {
return 0;
}
for (ssize_t i = 0; switches[i]; i++) {
if (strcmp(env, switches[i]) == 0) {
return i;
}
}
wlr_log(WLR_ERROR, "Unknown %s option: %s", option, env);
return 0;
}

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@ -2,6 +2,7 @@ wlr_files += files(
'addon.c', 'addon.c',
'array.c', 'array.c',
'box.c', 'box.c',
'env.c',
'global.c', 'global.c',
'log.c', 'log.c',
'region.c', 'region.c',