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/* perror( const char * )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <stdio.h>
#include <errno.h>
#include <locale.h>
#ifndef REGTEST
#ifndef __STDC_NO_THREADS__
#include <threads.h>
#endif
/* TODO: Doing this via a static array is not the way to do it. */
void perror( const char * s )
{
_PDCLIB_LOCK( stderr->mtx );
if ( ( s != NULL ) && ( s[0] != '\n' ) )
{
fprintf( stderr, "%s: ", s );
}
if ( errno >= _PDCLIB_ERRNO_MAX || errno < 0 )
{
fprintf( stderr, "%s\n", _PDCLIB_EUNKNOWN_TEXT );
}
else
{
fprintf( stderr, "%s\n", _PDCLIB_lc_messages->errno_texts[errno] );
}
_PDCLIB_UNLOCK( stderr->mtx );
return;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
#include <stdlib.h>
#include <string.h>
#include <limits.h>
int main( void )
{
FILE * fh;
unsigned long long max = ULLONG_MAX;
char buffer[100];
sprintf( buffer, "%llu", max );
TESTCASE( ( fh = freopen( testfile, "wb+", stderr ) ) != NULL );
TESTCASE( strtol( buffer, NULL, 10 ) == LONG_MAX );
perror( "Test" );
rewind( fh );
TESTCASE( fread( buffer, 1, 7, fh ) == 7 );
TESTCASE( memcmp( buffer, "Test: ", 6 ) == 0 );
TESTCASE( fclose( fh ) == 0 );
TESTCASE( remove( testfile ) == 0 );
return TEST_RESULTS;
}
#endif
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