Changeset 20f1597 in mainline for kernel/generic/src/lib/string.c

Timestamp:

2009-03-02T22:13:30Z (16 years ago)

Author:

Jiri Svoboda <jirik.svoboda@…>

Branches:

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

Children:

561db3f

Parents:

16da5f8e

Message:

Task names should only contain base names of commands. Also add 'boot:' prefix for binaries loaded by the kernel.

File:

• kernel/generic/src/lib/string.c (modified) (1 diff)

kernel/generic/src/lib/string.c

@@ -162 +162 @@
 }
 
+/** Find first occurence of character in string.
+ *
+ * @param s     String to search.
+ * @param i     Character to look for.
+ *
+ * @return      Pointer to character in @a s or NULL if not found.
+ */
+extern char *strchr(const char *s, int i)
+{
+        while (*s != '\0') {
+                if (*s == i) return (char *) s;
+                ++s;
+        }
+
+        return NULL;
+}
+
+/** Find last occurence of character in string.
+ *
+ * @param s     String to search.
+ * @param i     Character to look for.
+ *
+ * @return      Pointer to character in @a s or NULL if not found.
+ */
+extern char *strrchr(const char *s, int i)
+{
+        const char *start;
+
+        start = s;
+        if (*s == '\0') return NULL;
+
+        while (*s != '\0') ++s;
+
+        while (s != start) {
+                --s;
+                if (*s == i) return (char *) s;
+        }
+
+        return NULL;
+}
+
 /** @}
  */