diff options
author | pommicket <pommicket@gmail.com> | 2022-02-20 13:18:21 -0800 |
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committer | pommicket <pommicket@gmail.com> | 2022-02-20 13:18:21 -0800 |
commit | 9bc8a11afeed3569736b89754012e3ca22ee10f6 (patch) | |
tree | 5f0ec0d5c05f879b1ee86adfa654ed3ef2178d5f /05/musl-0.6.0/src/stdio/perror.c | |
parent | 0f97a589b800bdb71dda05984192f0f66a52edaa (diff) |
conclusion
Diffstat (limited to '05/musl-0.6.0/src/stdio/perror.c')
-rw-r--r-- | 05/musl-0.6.0/src/stdio/perror.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/05/musl-0.6.0/src/stdio/perror.c b/05/musl-0.6.0/src/stdio/perror.c new file mode 100644 index 0000000..e4637c8 --- /dev/null +++ b/05/musl-0.6.0/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 +} |