39e48531ef
note that unlike the originals, these do not print the program name/argv[0] because we have not saved it anywhere. this could be changed in __libc_start_main if desired.
60 lines
875 B
C
60 lines
875 B
C
#include <err.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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void vwarn(const char *fmt, va_list ap)
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{
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vfprintf(stderr, fmt, ap);
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perror("");
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}
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void vwarnx(const char *fmt, va_list ap)
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{
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vfprintf(stderr, fmt, ap);
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putc('\n', stderr);
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}
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void verr(int status, const char *fmt, va_list ap)
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{
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vwarn(fmt, ap);
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exit(status);
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}
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void verrx(int status, const char *fmt, va_list ap)
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{
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vwarnx(fmt, ap);
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exit(status);
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}
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void warn(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarn(fmt, ap);
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va_end(ap);
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}
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void warnx(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarnx(fmt, ap);
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va_end(ap);
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}
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void err(int status, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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verr(status, fmt, ap);
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va_end(ap);
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}
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void errx(int status, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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verrx(status, fmt, ap);
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va_end(ap);
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}
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