5 This file is part of the Public Domain C Library (PDCLib).
6 Permission is granted to use, modify, and / or redistribute at will.
12 #include <_PDCLIB_io.h>
15 char * gets( char * s )
17 _PDCLIB_flockfile( stdin );
18 if ( _PDCLIB_prepread( stdin ) == EOF )
20 _PDCLIB_funlockfile( stdin );
25 dest += _PDCLIB_getchars( dest, SIZE_MAX, '\n', stdin );
26 _PDCLIB_funlockfile( stdin );
28 if(*(dest - 1) == '\n') {
34 return ( dest == s ) ? NULL : s;
40 #include <_PDCLIB_test.h>
47 char const * gets_test = "foo\nbar\0baz\nweenie";
48 TESTCASE( ( fh = fopen( testfile, "wb" ) ) != NULL );
49 TESTCASE( fwrite( gets_test, 1, 18, fh ) == 18 );
50 TESTCASE( fclose( fh ) == 0 );
51 TESTCASE( ( fh = freopen( testfile, "rb", stdin ) ) != NULL );
52 TESTCASE( gets( buffer ) == buffer );
53 TESTCASE( strcmp( buffer, "foo" ) == 0 );
54 TESTCASE( gets( buffer ) == buffer );
55 TESTCASE( memcmp( buffer, "bar\0baz\0", 8 ) == 0 );
56 TESTCASE( gets( buffer ) == buffer );
57 TESTCASE( strcmp( buffer, "weenie" ) == 0 );
58 TESTCASE( feof( fh ) );
59 TESTCASE( fseek( fh, -1, SEEK_END ) == 0 );
60 TESTCASE( gets( buffer ) == buffer );
61 TESTCASE( strcmp( buffer, "e" ) == 0 );
62 TESTCASE( feof( fh ) );
63 TESTCASE( fseek( fh, 0, SEEK_END ) == 0 );
64 TESTCASE( gets( buffer ) == NULL );
65 TESTCASE( fclose( fh ) == 0 );
66 TESTCASE( remove( testfile ) == 0 );