X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Fgets.c;h=798df766c08590d1d3953667714f3331a105becb;hb=HEAD;hp=cd2942e13aa79a0434e24eea12a259914912f884;hpb=c8f799d852e3698468a78954d82588e841cc0b70;p=pdclib.old

diff --git a/functions/stdio/gets.c b/functions/stdio/gets.c
index cd2942e..798df76 100644
--- a/functions/stdio/gets.c
+++ b/functions/stdio/gets.c
@@ -1,21 +1,71 @@
-/* ----------------------------------------------------------------------------
- * $Id$
- * ----------------------------------------------------------------------------
- * Public Domain C Library - http://pdclib.sourceforge.net
- * This code is Public Domain. Use, modify, and redistribute at will.
- * --------------------------------------------------------------------------*/
+/* $Id$ */
 
-char * gets( char * s ) { /* TODO */ };
+/* gets( char * )
 
-/* PDPC code - unreviewed
+   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>
+
+#ifndef REGTEST
+#include <_PDCLIB_io.h>
+#include <stdint.h>
+
+char * gets( char * s )
 {
-    char *ret;
-
-    stdin->quickText = 0;
-    stdin->noNl = 1;
-    ret = fgets(s, INT_MAX, stdin);
-    stdin->noNl = 0;
-    stdin->quickText = 1;
-    return (ret);
+    _PDCLIB_flockfile( stdin );
+    if ( _PDCLIB_prepread( stdin ) == EOF )
+    {
+        _PDCLIB_funlockfile( stdin );
+        return NULL;
+    }
+    char * dest = s;
+    
+    dest += _PDCLIB_getchars( dest, SIZE_MAX, '\n', stdin );
+    _PDCLIB_funlockfile( stdin );
+
+    if(*(dest - 1) == '\n') {
+        *(--dest) = '\0';
+    } else {
+        *dest = '\0';
+    }
+
+    return ( dest == s ) ? NULL : s;
 }
-*/
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+#include <string.h>
+
+int main( void )
+{
+    FILE * fh;
+    char buffer[10];
+    char const * gets_test = "foo\nbar\0baz\nweenie";
+    TESTCASE( ( fh = fopen( testfile, "wb" ) ) != NULL );
+    TESTCASE( fwrite( gets_test, 1, 18, fh ) == 18 );
+    TESTCASE( fclose( fh ) == 0 );
+    TESTCASE( ( fh = freopen( testfile, "rb", stdin ) ) != NULL );
+    TESTCASE( gets( buffer ) == buffer );
+    TESTCASE( strcmp( buffer, "foo" ) == 0 );
+    TESTCASE( gets( buffer ) == buffer );
+    TESTCASE( memcmp( buffer, "bar\0baz\0", 8 ) == 0 );
+    TESTCASE( gets( buffer ) == buffer );
+    TESTCASE( strcmp( buffer, "weenie" ) == 0 );
+    TESTCASE( feof( fh ) );
+    TESTCASE( fseek( fh, -1, SEEK_END ) == 0 );
+    TESTCASE( gets( buffer ) == buffer );
+    TESTCASE( strcmp( buffer, "e" ) == 0 );
+    TESTCASE( feof( fh ) );
+    TESTCASE( fseek( fh, 0, SEEK_END ) == 0 );
+    TESTCASE( gets( buffer ) == NULL );
+    TESTCASE( fclose( fh ) == 0 );
+    TESTCASE( remove( testfile ) == 0 );
+    return TEST_RESULTS;
+}
+
+#endif
+