73 lines
1.2 KiB
C
73 lines
1.2 KiB
C
#include <stdio.h>
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#include <stdarg.h>
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#include "error.h"
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//! Die from error with exit code
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void
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error_die (void)
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{
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exit(1);
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}
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//! Print error message header
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/**
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* Adapted from [K&R2], p. 174
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*@todo It would be nice to redirect all output to stderr, which would enable use of termprint etc.
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*/
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void
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error_pre (void)
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{
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fprintf (stderr, "error: ");
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}
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//! Print post-error message and die.
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/**
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* Adapted from [K&R2], p. 174
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* Input is comparable to printf, only end of line is not required.
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*/
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void
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error_post (char *fmt, ... )
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{
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va_list args;
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va_start (args, fmt);
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vfprintf (stderr, fmt, args);
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fprintf (stderr, "\n");
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va_end (args);
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exit(1);
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}
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//! Print error message and die.
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/**
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* Adapted from [K&R2], p. 174
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* Input is comparable to printf, only end of line is not required.
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*/
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void
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error (char *fmt, ... )
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{
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va_list args;
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error_pre ();
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va_start (args, fmt);
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vfprintf (stderr, fmt, args);
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fprintf (stderr, "\n");
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va_end (args);
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error_die ();
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}
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//! Print warning
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/**
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* Input is comparable to printf, only end of line is not required.
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*/
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void
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warning (char *fmt, ... )
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{
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va_list args;
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va_start (args, fmt);
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fprintf (stderr, "warning: ");
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vfprintf (stderr, fmt, args);
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fprintf (stderr, "\n");
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va_end (args);
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}
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