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authorSteven Whitehouse <swhiteho@redhat.com>2006-07-03 18:25:08 +0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-07-03 18:25:08 +0400
commit0a1340c185734a57fbf4775927966ad4a1347b02 (patch)
treed9ed8f0dd809a7c542a3356601125ea5b5aaa804 /lib/string.c
parentaf18ddb8864b096e3ed4732e2d4b21c956dcfe3a (diff)
parent29454dde27d8e340bb1987bad9aa504af7081eba (diff)
downloadlinux-0a1340c185734a57fbf4775927966ad4a1347b02.tar.xz
Merge rsync://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: include/linux/kernel.h
Diffstat (limited to 'lib/string.c')
-rw-r--r--lib/string.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/string.c b/lib/string.c
index 064f6315b1c3..63077267367e 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -301,6 +301,36 @@ char *strnchr(const char *s, size_t count, int c)
EXPORT_SYMBOL(strnchr);
#endif
+/**
+ * strstrip - Removes leading and trailing whitespace from @s.
+ * @s: The string to be stripped.
+ *
+ * Note that the first trailing whitespace is replaced with a %NUL-terminator
+ * in the given string @s. Returns a pointer to the first non-whitespace
+ * character in @s.
+ */
+char *strstrip(char *s)
+{
+ size_t size;
+ char *end;
+
+ size = strlen(s);
+
+ if (!size)
+ return s;
+
+ end = s + size - 1;
+ while (end != s && isspace(*end))
+ end--;
+ *(end + 1) = '\0';
+
+ while (*s && isspace(*s))
+ s++;
+
+ return s;
+}
+EXPORT_SYMBOL(strstrip);
+
#ifndef __HAVE_ARCH_STRLEN
/**
* strlen - Find the length of a string