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authorStefan Tauner <stefan.tauner@gmx.at>2013-06-27 17:06:27 +0200
committerNico Huber <nico.huber@secunet.com>2013-06-28 10:39:57 +0200
commitc9246da4ddff9fef2bb26d05d87d1f616124b91e (patch)
tree305c9635113740451c08bc5572ce1bece8b027f2 /payloads/libpayload/libc/string.c
parentc0b1a48cdaed0a9c955fd98563a1d5906a72b533 (diff)
downloadcoreboot-c9246da4ddff9fef2bb26d05d87d1f616124b91e.tar.xz
libpayload: Add strerror
Change-Id: I33d45ad7d09473b8c6f5b7ee5fbadc0d184f9dcd Signed-off-by: Stefan Tauner <stefan.tauner@gmx.at> Reviewed-on: http://review.coreboot.org/3537 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber <nico.huber@secunet.com>
Diffstat (limited to 'payloads/libpayload/libc/string.c')
-rw-r--r--payloads/libpayload/libc/string.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/payloads/libpayload/libc/string.c b/payloads/libpayload/libc/string.c
index 6151164d68..71dd1a6d1b 100644
--- a/payloads/libpayload/libc/string.c
+++ b/payloads/libpayload/libc/string.c
@@ -639,3 +639,17 @@ void perror(const char *s)
{
printf("%s: %d\n", s?s:"(none)", errno);
}
+
+/**
+ * Get a message string describing the given error number.
+ *
+ * @param errnum The error number to be interpreted
+ * @return A pointer to a string describing the given error number
+ */
+char *strerror(int errnum)
+{
+ /* Reserve enough space for the string below + INT64_MIN in decimal + \0 */
+ static char errstr[35];
+ snprintf(errstr, sizeof(errstr), "Unknown error %d", errnum);
+ return errstr;
+}