kc3-lang/libressl/include/compat/err.h

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• Hash : 07e541cc
  Author :
  Date : 2016-01-03T19:05:05
  

  replace err.h macros with inline functions
  
  Passing NULL for the format is just easier with a function.
  

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• include/compat/err.h

• /*
   * 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
  

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