diff options
| author | Benjamin Berg <benjamin.berg@intel.com> | 2025-09-24 16:20:52 +0200 |
|---|---|---|
| committer | Thomas Weißschuh <linux@weissschuh.net> | 2025-10-29 16:29:15 +0100 |
| commit | fbd1b7f6b322a63b21ebbf00c732a17bb8bdb5d4 (patch) | |
| tree | df88c9f1670150f9bd144968d80f60c41a6bb142 | |
| parent | 4ada5679f18dbbe92d87c37a842c3368e6ab5e4a (diff) | |
tools/nolibc: implement %m if errno is not defined
For improved compatibility, print %m as "unknown error" when nolibc is
compiled using NOLIBC_IGNORE_ERRNO.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
| -rw-r--r-- | tools/include/nolibc/stdio.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h index 724d05ce6962..1f16dab2ac88 100644 --- a/tools/include/nolibc/stdio.h +++ b/tools/include/nolibc/stdio.h @@ -321,11 +321,13 @@ int __nolibc_printf(__nolibc_printf_cb cb, intptr_t state, size_t n, const char if (!outstr) outstr="(null)"; } -#ifndef NOLIBC_IGNORE_ERRNO else if (c == 'm') { +#ifdef NOLIBC_IGNORE_ERRNO + outstr = "unknown error"; +#else outstr = strerror(errno); - } #endif /* NOLIBC_IGNORE_ERRNO */ + } else if (c == '%') { /* queue it verbatim */ continue; |