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Token2
2024-05-24 11:44:25 +02:00
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parent df1b66988f
commit ca68f70495
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85
openbsd-compat/err.h Normal file
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/*
* Public domain
* err.h compatibility shim
*/
#ifndef _COMPAT_ERR_H
#define _COMPAT_ERR_H
#if !defined(HAVE_ERR_H)
#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#if defined(_MSC_VER)
__declspec(noreturn)
#else
__attribute__((noreturn))
#endif
static inline void
err(int eval, const char *fmt, ...)
{
int sverrno = errno;
va_list ap;
va_start(ap, fmt);
if (fmt != NULL) {
vfprintf(stderr, fmt, ap);
fprintf(stderr, ": ");
}
va_end(ap);
fprintf(stderr, "%s\n", strerror(sverrno));
exit(eval);
}
#if defined(_MSC_VER)
__declspec(noreturn)
#else
__attribute__((noreturn))
#endif
static inline void
errx(int eval, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if (fmt != NULL)
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
exit(eval);
}
static inline void
warn(const char *fmt, ...)
{
int sverrno = errno;
va_list ap;
va_start(ap, fmt);
if (fmt != NULL) {
vfprintf(stderr, fmt, ap);
fprintf(stderr, ": ");
}
va_end(ap);
fprintf(stderr, "%s\n", strerror(sverrno));
}
static inline void
warnx(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if (fmt != NULL)
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
}
#endif /* !defined(HAVE_ERR_H) */
#endif /* _COMPAT_ERR_H */