X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=platform%2Fexample_cygwin%2Ffunctions%2F_PDCLIB%2Frename.c;fp=platform%2Fexample_cygwin%2Ffunctions%2F_PDCLIB%2Frename.c;h=0000000000000000000000000000000000000000;hb=0cd903b82201176f3148f6d18d68fd30b82746d5;hp=ccfc7807d4ebc4c5b5e67be03453cc553d238d58;hpb=56bacb39160e13397fde32a36329461f3ae56ec1;p=pdclib diff --git a/platform/example_cygwin/functions/_PDCLIB/rename.c b/platform/example_cygwin/functions/_PDCLIB/rename.c deleted file mode 100644 index ccfc780..0000000 --- a/platform/example_cygwin/functions/_PDCLIB/rename.c +++ /dev/null @@ -1,135 +0,0 @@ -/* _PDCLIB_rename( const char *, 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 - -#ifndef REGTEST -#include <_PDCLIB_glue.h> - -#include - -extern int unlink( const char * pathname ); -extern int link( const char * old, const char * new ); - -int _PDCLIB_rename( const char * old, const char * new ) -{ - /* Note that the behaviour if new file exists is implementation-defined. - There is nothing wrong with either overwriting it or failing the - operation, but you might want to document whichever you chose. - This example fails if new file exists. - */ - if ( link( old, new ) == 0 ) - { - if ( unlink( old ) == EOF ) - { - switch ( errno ) - { - /* See the comments on implementation-defined errno values in - <_PDCLIB_config.h>. - */ - case EACCES: - case EFAULT: - case EIO: - case EISDIR: - case ELOOP: - case ENAMETOOLONG: - case ENOENT: - case ENOMEM: - case ENOTDIR: - case EPERM: - case EROFS: - _PDCLIB_errno = _PDCLIB_ERROR; - break; - default: - /* This should be something like EUNKNOWN. */ - _PDCLIB_errno = _PDCLIB_ERROR; - break; - } - return -1; - } - else - { - return 0; - } - } - else - { - switch ( errno ) - { - /* See the comments on implementation-defined errno values in - <_PDCLIB_config.h>. - */ - case EACCES: - case EEXIST: - case EFAULT: - case EIO: - case ELOOP: - case EMLINK: - case ENAMETOOLONG: - case ENOENT: - case ENOMEM: - case ENOSPC: - case ENOTDIR: - case EPERM: - case EROFS: - case EXDEV: - _PDCLIB_errno = _PDCLIB_ERROR; - break; - default: - /* This should be something like EUNKNOWN. */ - _PDCLIB_errno = _PDCLIB_ERROR; - break; - } - return EOF; - } -} - -#endif - -#ifdef TEST -#include <_PDCLIB_test.h> - -#include - -int main( void ) -{ - FILE * file; - remove( testfile1 ); - remove( testfile2 ); - /* check that neither file exists */ - TESTCASE( fopen( testfile1, "r" ) == NULL ); - TESTCASE( fopen( testfile2, "r" ) == NULL ); - /* rename file 1 to file 2 - expected to fail */ - TESTCASE( _PDCLIB_rename( testfile1, testfile2 ) == -1 ); - /* create file 1 */ - TESTCASE( ( file = fopen( testfile1, "w" ) ) != NULL ); - TESTCASE( fputc( 'x', file ) == 'x' ); - TESTCASE( fclose( file ) == 0 ); - /* check that file 1 exists */ - TESTCASE( fopen( testfile1, "r" ) != NULL ); - /* rename file 1 to file 2 */ - TESTCASE( _PDCLIB_rename( testfile1, testfile2 ) == 0 ); - /* check that file 2 exists, file 1 does not */ - TESTCASE( fopen( testfile1, "r" ) == NULL ); - TESTCASE( fopen( testfile2, "r" ) != NULL ); - /* create another file 1 */ - TESTCASE( ( file = fopen( testfile1, "w" ) ) != NULL ); - TESTCASE( fputc( 'x', file ) == 'x' ); - TESTCASE( fclose( file ) == 0 ); - /* check that file 1 exists */ - TESTCASE( ( file = fopen( testfile1, "r" ) ) != NULL ); - TESTCASE( fclose( file ) == 0 ); - /* rename file 1 to file 2 - expected to fail, see comment in - _PDCLIB_rename() itself. - */ - TESTCASE( _PDCLIB_rename( testfile1, testfile2 ) == -1 ); - /* remove both files */ - remove( testfile1 ); - remove( testfile2 ); - return TEST_RESULTS; -} - -#endif