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synchronize cond var destruction with exiting waits
[oweals/musl.git]
/
src
/
stdio
/
perror.c
1
#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include "stdio_impl.h"
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void perror(const char *msg)
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{
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FILE *f = stderr;
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char *errstr = strerror(errno);
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FLOCK(f);
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if (msg) {
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fwrite(msg, strlen(msg), 1, f);
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fputc(':', f);
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fputc(' ', f);
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}
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fwrite(errstr, strlen(errstr), 1, f);
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fputc('\n', f);
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FUNLOCK(f);
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}