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Diffstat (limited to 'src/pdclib/functions/stdlib/calloc.c')
-rw-r--r-- | src/pdclib/functions/stdlib/calloc.c | 48 |
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 |