From: Benjamin Berg benjamin.berg@intel.com
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 --- tools/include/nolibc/stdio.h | 6 ++++-- 1 file 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;