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-rw-r--r--src/pdclib/functions/stdlib/calloc.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/pdclib/functions/stdlib/calloc.c b/src/pdclib/functions/stdlib/calloc.c
new file mode 100644
index 0000000..d736065
--- /dev/null
+++ b/src/pdclib/functions/stdlib/calloc.c
@@ -0,0 +1,48 @@
+/* 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