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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2011 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* standalone mini error implementation
*/
#include <ast.h>
#include <error.h>
Error_info_t error_info;
void
errorv(const char* id, int level, va_list ap)
{
char* a;
char* s;
int flags;
if (level < 0)
flags = 0;
else
{
flags = level & ~ERROR_LEVEL;
level &= ERROR_LEVEL;
}
a = va_arg(ap, char*);
if (level && ((s = error_info.id) || (s = (char*)id)))
{
if (!(flags & ERROR_USAGE))
sfprintf(sfstderr, "%s: ", s);
else if (strcmp(a, "%s"))
sfprintf(sfstderr, "Usage: %s ", s);
}
if (flags & ERROR_USAGE)
/*nop*/;
else if (level < 0)
sfprintf(sfstderr, "debug%d: ", level);
else if (level)
{
if (level == ERROR_WARNING)
{
sfprintf(sfstderr, "warning: ");
error_info.warnings++;
}
else
{
error_info.errors++;
if (level == ERROR_PANIC)
sfprintf(sfstderr, "panic: ");
}
if (error_info.line)
{
if (error_info.file && *error_info.file)
sfprintf(sfstderr, "\"%s\", ", error_info.file);
sfprintf(sfstderr, "line %d: ", error_info.line);
}
}
sfvprintf(sfstderr, a, ap);
sfprintf(sfstderr, "\n");
if (level >= ERROR_FATAL)
exit(level - ERROR_FATAL + 1);
}
void
error(int level, ...)
{
va_list ap;
va_start(ap, level);
errorv(NiL, level, ap);
va_end(ap);
}
int
errorf(void* handle, void* discipline, int level, ...)
{
va_list ap;
va_start(ap, level);
errorv((discipline && handle) ? *((char**)handle) : (char*)handle, level, ap);
va_end(ap);
return 0;
}
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