Changeset df24ec3 in mainline

Timestamp:

2007-01-17T21:45:15Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c7611b3

Parents:

df4ed85

Message:

Add bcmp() to libc.

Location:

uspace/libc

Files:

• generic/string.c (modified) (1 diff)
• include/string.h (modified) (1 diff)

uspace/libc/generic/string.c

@@ -103 +103 @@
 }
 
+/** Compare two memory areas.
+ *
+ * @param s1    Pointer to the first area to compare.
+ * @param s2    Pointer to the second area to compare.
+ * @param len   Size of the first area in bytes. Both areas must have the same
+ *              length.
+ * @return      If len is 0, return zero. If the areas match, return zero.
+ *              Otherwise return non-zero.
+ */
+int bcmp(const char *s1, const char *s2, size_t len)
+{
+        for (; len && *s1++ == *s2++; len--)
+                ;
+        return len;
+}
 
 /** Count the number of characters in the string, not including terminating 0.

uspace/libc/include/string.h

@@ -44 +44 @@
 void * memmove(void *dest, const void *src, size_t n);
 
+int bcmp(const char *s1, const char *s2, size_t n);
+
 int strcmp(const char *, const char *);