X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdlib%2Fcalloc.c;h=5450b978f07a83c92e7284d5856930792d61bea9;hb=35a80beca8122bc8dc7464c017bf778f872accd4;hp=4169f84c60c8ff80ea338a13dd50044e8ad85bb7;hpb=0a5395faab237ba9008352b0f4bee9659bbd3d5f;p=pdclib

diff --git a/functions/stdlib/calloc.c b/functions/stdlib/calloc.c
index 4169f84..5450b97 100644
--- a/functions/stdlib/calloc.c
+++ b/functions/stdlib/calloc.c
@@ -1,34 +1,52 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* $Id$ */
 
-void * calloc( size_t nelem, size_t size ) { /* TODO */ };
+/* Release $Name$ */
 
-/* PDPC code - unreviewed
+/* void * calloc( size_t, size_t )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef REGTEST
+
+void * calloc( size_t nmemb, size_t size )
 {
-    void *ptr;
-    size_t total;
-    
-    if (nmemb == 1)
-    {
-        total = size;
-    }
-    else if (size == 1)
-    {
-        total = nmemb;
-    }
-    else
+    /* assign memory for nmemb elements of given size */
+    void * rc = malloc( nmemb * size );
+    if ( rc != NULL )
     {
-        total = nmemb * size;
+        /* zero-initialize the memory */
+        memset( rc, 0, nmemb * size );
     }
-    ptr = malloc(total);
-    if (ptr != NULL)
-    {
-        memset(ptr, '\0', total);
-    }
-    return (ptr);
+    return rc;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main()
+{
+    char * s;
+    BEGIN_TESTS;
+    TESTCASE( ( s = calloc( 3, 2 ) ) != NULL );
+    TESTCASE( s[0] == '\0' );
+    TESTCASE( s[5] == '\0' );
+    free( s );
+    TESTCASE( ( s = calloc( 6, 1 ) ) != NULL );
+    TESTCASE( s[0] == '\0' );
+    TESTCASE( s[5] == '\0' );
+    free( s );
+    TESTCASE( ( s = calloc( 1, 6 ) ) != NULL );
+    TESTCASE( s[0] == '\0' );
+    TESTCASE( s[5] == '\0' );
+    free( s );
+    return TEST_RESULTS;
 }
-*/
\ No newline at end of file
+
+#endif