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-rw-r--r--src/basic/errno-list.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/basic/errno-list.c b/src/basic/errno-list.c
new file mode 100644
index 0000000..44cc570
--- /dev/null
+++ b/src/basic/errno-list.c
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <errno.h>
+#include <string.h>
+
+#include "errno-list.h"
+#include "macro.h"
+
+static const struct errno_name* lookup_errno(register const char *str,
+ register GPERF_LEN_TYPE len);
+
+#include "errno-from-name.h"
+#include "errno-to-name.h"
+
+const char *errno_to_name(int id) {
+
+ if (id < 0)
+ id = -id;
+
+ if ((size_t) id >= ELEMENTSOF(errno_names))
+ return NULL;
+
+ return errno_names[id];
+}
+
+int errno_from_name(const char *name) {
+ const struct errno_name *sc;
+
+ assert(name);
+
+ sc = lookup_errno(name, strlen(name));
+ if (!sc)
+ return -EINVAL;
+
+ assert(sc->id > 0);
+ return sc->id;
+}