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