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-rw-r--r--src/util/debug.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/util/debug.c b/src/util/debug.c
index 3729ce8..98b1853 100644
--- a/src/util/debug.c
+++ b/src/util/debug.c
@@ -51,3 +51,28 @@ parse_debug_string(const char *debug,
return flag;
}
+
+/**
+ * Reads an environment variable and interprets its value as a boolean.
+ *
+ * Recognizes 0/false/no and 1/true/yes. Other values result in the default value.
+ */
+bool
+env_var_as_boolean(const char *var_name, bool default_value)
+{
+ const char *str = getenv(var_name);
+ if (str == NULL)
+ return default_value;
+
+ if (strcmp(str, "1") == 0 ||
+ strcasecmp(str, "true") == 0 ||
+ strcasecmp(str, "yes") == 0) {
+ return true;
+ } else if (strcmp(str, "0") == 0 ||
+ strcasecmp(str, "false") == 0 ||
+ strcasecmp(str, "no") == 0) {
+ return false;
+ } else {
+ return default_value;
+ }
+}