bomb.c File Reference

Provides functions to report errors and abort the program. More...

#include "mdb.h"

Go to the source code of this file.

Functions
void	bomb (char *error, char *usage)
	Reports error messages to the terminal and aborts the program.
long	bombre (char *error, char *usage, long return_value)
	Reports error messages to the terminal and returns a specified value.
void	bombVA (char *template,...)
	Reports error messages using a printf-style template and aborts the program.

Detailed Description

Provides functions to report errors and abort the program.

Copyright

• (c) 2002 The University of Chicago, as Operator of Argonne National Laboratory.
• (c) 2002 The Regents of the University of California, as Operator of Los Alamos National Laboratory.

License

This file is distributed under the terms of the Software License Agreement found in the file LICENSE included with this distribution.

Author

M. Borland, C. Saunders, R. Soliday

Definition in file bomb.c.

Function Documentation

bomb()

void bomb	(	char *	error,
		char *	usage )

Reports error messages to the terminal and aborts the program.

This function prints the provided error and usage messages to the standard error stream and then terminates the program.

Parameters

error	A string describing the error.
usage	A string describing the correct usage.

Definition at line 26 of file bomb.c.

                                    {
  if (error)
    fprintf(stderr, "error: %s\n", error);
  if (usage)
    fprintf(stderr, "usage: %s\n", usage);
  exit(1);
}

bombre()

long bombre	(	char *	error,
		char *	usage,
		long	return_value )

Reports error messages to the terminal and returns a specified value.

This function prints the provided error and usage messages to the standard error stream and returns the given return value.

Parameters

error	A string describing the error.
usage	A string describing the correct usage.
return_value	The value to return after reporting the messages.

Returns

The specified return value.

Definition at line 44 of file bomb.c.

                                                         {
  if (error)
    fprintf(stderr, "error: %s\n", error);
  if (usage)
    fprintf(stderr, "usage: %s\n", usage);
  return return_value;
}

bombVA()

void bombVA	(	char *	template,
			... )

Reports error messages using a printf-style template and aborts the program.

This function accepts a format string and a variable number of arguments, formats the message accordingly, prints it to the standard output, and then terminates the program.

Parameters

template	A printf-style format string.
...	Variable arguments corresponding to the format string.

Definition at line 60 of file bomb.c.

                                 {
  char *p;
  char c, *s;
  int i;
  long j;
  va_list argp;
  double d;
 
  va_start(argp, template);
  p = template;
  while (*p) {
    if (*p == '%') {
      switch (*++p) {
      case 'l':
        switch (*++p) {
        case 'd':
          j = va_arg(argp, long int);
          printf("%ld", j);
          break;
        case 'e':
          d = va_arg(argp, double);
          printf("%21.15le", d);
          break;
        case 'f':
          d = va_arg(argp, double);
          printf("%lf", d);
          break;
        case 'g':
          d = va_arg(argp, double);
          printf("%21.15lg", d);
          break;
        default:
          printf("%%l%c", *p);
          break;
        }
        break;
      case 'c':
        c = va_arg(argp, int);
        putchar(c);
        break;
      case 'd':
        i = va_arg(argp, int);
        printf("%d", i);
        break;
      case 's':
        s = va_arg(argp, char *);
        fputs(s, stdout);
        break;
      case 'e':
        d = va_arg(argp, double);
        printf("%21.15e", d);
        break;
      case 'f':
        d = va_arg(argp, double);
        printf("%f", d);
        break;
      case 'g':
        d = va_arg(argp, double);
        printf("%21.15g", d);
        break;
      default:
        printf("%%%c", *p);
        break;
      }
    } else {
      putchar(*p);
    }
    p++;
  }
  va_end(argp);
  exit(1);
}