source:
azure_iot_hub/trunk/musl-1.1.18/src/stdio/perror.c
Last change on this file was 389, checked in by , 5 years ago | |
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File size: 343 bytes |
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1 | #include <stdio.h> |
2 | #include <string.h> |
3 | #include <errno.h> |
4 | #include "stdio_impl.h" |
5 | |
6 | void perror(const char *msg) |
7 | { |
8 | FILE *f = stderr; |
9 | char *errstr = strerror(errno); |
10 | |
11 | FLOCK(f); |
12 | |
13 | if (msg && *msg) { |
14 | fwrite(msg, strlen(msg), 1, f); |
15 | fputc(':', f); |
16 | fputc(' ', f); |
17 | } |
18 | fwrite(errstr, strlen(errstr), 1, f); |
19 | fputc('\n', f); |
20 | |
21 | FUNLOCK(f); |
22 | } |
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