diff options
Diffstat (limited to 'roms/skiboot/libc/string/memcmp.c')
-rw-r--r-- | roms/skiboot/libc/string/memcmp.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/roms/skiboot/libc/string/memcmp.c b/roms/skiboot/libc/string/memcmp.c new file mode 100644 index 000000000..b270b597b --- /dev/null +++ b/roms/skiboot/libc/string/memcmp.c @@ -0,0 +1,29 @@ +/****************************************************************************** + * Copyright (c) 2004, 2008 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + +#include <stddef.h> + +int memcmp(const void *ptr1, const void *ptr2, size_t n); +int memcmp(const void *ptr1, const void *ptr2, size_t n) +{ + const unsigned char *p1 = ptr1; + const unsigned char *p2 = ptr2; + + while (n-- > 0) { + if (*p1 != *p2) + return (*p1 - *p2); + p1 += 1; + p2 += 1; + } + + return 0; +} |