check_error.c

来自「一个单元测试框架,主要和应用文件一起编译运行」· C语言 代码 · 共 48 行

#include "config.h"

#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>

#include "check_error.h"


void eprintf (const char *fmt, const char *file, int line, ...)
{
  va_list args;
  fflush(stderr);

  fprintf(stderr,"%s:%d: ",file,line);
  va_start(args, line);
  vfprintf(stderr, fmt, args);
  va_end(args);

  /*include system error information if format ends in colon */
  if (fmt[0] != '\0' && fmt[strlen(fmt)-1] == ':')
    fprintf(stderr, " %s", strerror(errno));
  fprintf(stderr, "\n");

  exit(2);
}

void *emalloc (size_t n)
{
  void *p;
  p = malloc(n);
  if (p == NULL)
    eprintf("malloc of %u bytes failed:", __FILE__, __LINE__, n);
  return p;
}

void *erealloc (void * ptr, size_t n)
{
  void *p;
  p = realloc (ptr, n);
  if (p == NULL)
    eprintf("realloc of %u bytes failed:", __FILE__, __LINE__, n);
  return p;
}