err.h revision 1.1.1.1
1/* 2 * Public domain 3 * err.h compatibility shim 4 */ 5 6#ifndef _COMPAT_ERR_H 7#define _COMPAT_ERR_H 8 9#if !defined(HAVE_ERR_H) 10 11#include <errno.h> 12#include <stdarg.h> 13#include <stdlib.h> 14#include <stdio.h> 15#include <string.h> 16 17#if defined(_MSC_VER) 18__declspec(noreturn) 19#else 20__attribute__((noreturn)) 21#endif 22static inline void 23err(int eval, const char *fmt, ...) 24{ 25 int sverrno = errno; 26 va_list ap; 27 28 va_start(ap, fmt); 29 if (fmt != NULL) { 30 vfprintf(stderr, fmt, ap); 31 fprintf(stderr, ": "); 32 } 33 va_end(ap); 34 fprintf(stderr, "%s\n", strerror(sverrno)); 35 exit(eval); 36} 37 38#if defined(_MSC_VER) 39__declspec(noreturn) 40#else 41__attribute__((noreturn)) 42#endif 43static inline void 44errx(int eval, const char *fmt, ...) 45{ 46 va_list ap; 47 48 va_start(ap, fmt); 49 if (fmt != NULL) 50 vfprintf(stderr, fmt, ap); 51 va_end(ap); 52 fprintf(stderr, "\n"); 53 exit(eval); 54} 55 56static inline void 57warn(const char *fmt, ...) 58{ 59 int sverrno = errno; 60 va_list ap; 61 62 va_start(ap, fmt); 63 if (fmt != NULL) { 64 vfprintf(stderr, fmt, ap); 65 fprintf(stderr, ": "); 66 } 67 va_end(ap); 68 fprintf(stderr, "%s\n", strerror(sverrno)); 69} 70 71static inline void 72warnx(const char *fmt, ...) 73{ 74 va_list ap; 75 76 va_start(ap, fmt); 77 if (fmt != NULL) 78 vfprintf(stderr, fmt, ap); 79 va_end(ap); 80 fprintf(stderr, "\n"); 81} 82 83#endif /* !defined(HAVE_ERR_H) */ 84 85#endif /* _COMPAT_ERR_H */ 86