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authorSimon Glass <sjg@chromium.org>2012-12-05 14:46:35 +0000
committerTom Rini <trini@ti.com>2012-12-11 13:17:34 -0700
commitb1f17bf5ff63a7e22e0299dd576c3b6cd38ae665 (patch)
treef96ee90f06bef6e031832cded766631486a88e76 /lib/string.c
parentec7381fbf6f77cc465eb06a1ab6f8a99df1e487c (diff)
Add strcasecmp() and strncasecmp()
strncasecmp() is present as strnicmp() but disabled. Make it available and define strcasecmp() also. There is a only a small performance penalty to having strcasecmp() call strncasecmp(), so do this instead of a standalone function, to save code space. Update the prototype in arch-specific headers as needed to avoid warnings. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'lib/string.c')
-rw-r--r--lib/string.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/lib/string.c b/lib/string.c
index c3ad055e2ca..68f60bea125 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -21,14 +21,13 @@
#include <malloc.h>
-#if 0 /* not used - was: #ifndef __HAVE_ARCH_STRNICMP */
/**
- * strnicmp - Case insensitive, length-limited string comparison
+ * strncasecmp - Case insensitive, length-limited string comparison
* @s1: One string
* @s2: The other string
* @len: the maximum number of characters to compare
*/
-int strnicmp(const char *s1, const char *s2, size_t len)
+int strncasecmp(const char *s1, const char *s2, size_t len)
{
/* Yes, Virginia, it had better be unsigned */
unsigned char c1, c2;
@@ -52,7 +51,16 @@ int strnicmp(const char *s1, const char *s2, size_t len)
}
return (int)c1 - (int)c2;
}
-#endif
+
+/**
+ * strcasecmp - Case insensitive string comparison
+ * @s1: One string
+ * @s2: The other string
+ */
+int strcasecmp(const char *s1, const char *s2)
+{
+ return strncasecmp(s1, s2, -1U);
+}
char * ___strtok;