* Change the style of inclusion of the internal/ headers. Modern preprocessors

[pdclib] / opt / malloc-solar / calloc.c

diff --git a/opt/malloc-solar/calloc.c b/opt/malloc-solar/calloc.c
new file mode 100644 (file)
index 0000000..a2dc21f
--- /dev/null
+++ b/opt/malloc-solar/calloc.c
@@ -0,0 +1,49 @@
+/* $Id$ */
+
+/* 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 )
+{
+    /* assign memory for nmemb elements of given size */
+    void * rc = malloc( nmemb * size );
+    if ( rc != NULL )
+    {
+        /* zero-initialize the memory */
+        memset( rc, 0, nmemb * size );
+    }
+    return rc;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    char * s;
+    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;
+}
+
+#endif