libreSSL/include/compat/err.h
Brent Cook 07e541cc2e replace err.h macros with inline functions
Passing NULL for the format is just easier with a function.
2016-01-03 21:20:03 -06:00

80 lines
1.1 KiB
C

/*
* Public domain
* err.h compatibility shim
*/
#ifdef HAVE_ERR_H
#include_next <err.h>
#else
#ifndef LIBCRYPTOCOMPAT_ERR_H
#define LIBCRYPTOCOMPAT_ERR_H
#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
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, ": ");
}
fprintf(stderr, "%s\n", strerror(sverrno));
exit(eval);
va_end(ap);
}
static inline void
errx(int eval, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if (fmt != NULL)
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
exit(eval);
va_end(ap);
}
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, ": ");
}
fprintf(stderr, "%s\n", strerror(sverrno));
va_end(ap);
}
static inline void
warnx(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if (fmt != NULL)
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
va_end(ap);
}
#endif
#endif