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author | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
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committer | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
commit | 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch) | |
tree | 6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/stdio/perror.c | |
download | musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.gz musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.xz musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.zip |
initial check-in, version 0.5.0 v0.5.0
Diffstat (limited to 'src/stdio/perror.c')
-rw-r--r-- | src/stdio/perror.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/stdio/perror.c b/src/stdio/perror.c new file mode 100644 index 00000000..e4637c8a --- /dev/null +++ b/src/stdio/perror.c @@ -0,0 +1,27 @@ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include "stdio_impl.h" + +void perror(const char *msg) +{ +#if 1 + if (msg) fprintf(stderr, "%s: %m\n", msg, strerror(errno)); + else fprintf(stderr, "%m\n"); +#else + FILE *f = stderr; + char *errstr = strerror(errno); + + FLOCK(f); + + if (msg) { + __fwritex(msg, strlen(msg), f); + __putc_unlocked(':', f); + __putc_unlocked(' ', f); + } + __fwritex(errstr, strlen(errstr), f); + __putc_unlocked('\n', f); + + FUNLOCK(f); +#endif +} |