84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/* rename( const char *, 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 "_PDCLIB_glue.h"
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#include <string.h>
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extern _PDCLIB_file_t * _PDCLIB_filelist;
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int rename( const char * old, const char * new )
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{
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FILE * current = _PDCLIB_filelist;
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while ( current != NULL )
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{
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if ( ( current->filename != NULL ) && ( strcmp( current->filename, old ) == 0 ) )
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{
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/* File of that name currently open. Do not rename. */
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return EOF;
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}
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current = current->next;
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}
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return _PDCLIB_rename( old, new );
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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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int main( void )
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{
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FILE * file;
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remove( testfile1 );
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remove( testfile2 );
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/* make sure that neither file exists */
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TESTCASE( fopen( testfile1, "r" ) == NULL );
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TESTCASE( fopen( testfile2, "r" ) == NULL );
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/* rename file 1 to file 2 - expected to fail */
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TESTCASE( rename( testfile1, testfile2 ) != 0 );
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/* create file 1 */
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TESTCASE( ( file = fopen( testfile1, "w" ) ) != NULL );
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TESTCASE( fputs( "x", file ) != EOF );
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TESTCASE( fclose( file ) == 0 );
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/* check that file 1 exists */
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TESTCASE( ( file = fopen( testfile1, "r" ) ) != NULL );
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TESTCASE( fclose( file ) == 0 );
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/* rename file 1 to file 2 */
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TESTCASE( rename( testfile1, testfile2 ) == 0 );
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/* check that file 2 exists, file 1 does not */
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TESTCASE( fopen( testfile1, "r" ) == NULL );
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TESTCASE( ( file = fopen( testfile2, "r" ) ) != NULL );
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TESTCASE( fclose( file ) == 0 );
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/* create another file 1 */
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TESTCASE( ( file = fopen( testfile1, "w" ) ) != NULL );
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TESTCASE( fputs( "x", file ) != EOF );
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TESTCASE( fclose( file ) == 0 );
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/* check that file 1 exists */
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TESTCASE( ( file = fopen( testfile1, "r" ) ) != NULL );
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TESTCASE( fclose( file ) == 0 );
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/* rename file 1 to file 2 - expected to fail, see comment in
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_PDCLIB_rename() itself.
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*/
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/* NOREG as glibc overwrites existing destination file. */
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TESTCASE_NOREG( rename( testfile1, testfile2 ) != 0 );
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/* remove both files */
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TESTCASE( remove( testfile1 ) == 0 );
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TESTCASE( remove( testfile2 ) == 0 );
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/* check that they're gone */
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TESTCASE( fopen( testfile1, "r" ) == NULL );
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TESTCASE( fopen( testfile2, "r" ) == NULL );
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return TEST_RESULTS;
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}
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#endif
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