Changeset 323 for trunk/kernel

Timestamp:

Aug 6, 2017, 8:33:00 AM (7 years ago)

Author:

max@…

Message:

Clean up, and define strstr() in libk.

Location:

trunk/kernel/libk

Files:

• string.c (modified) (1 diff)
• string.h (modified) (1 diff)

trunk/kernel/libk/string.c

@@ -125 +125 @@
 }
 
+////////////////////////////////
+char * strstr( char       * s,
+               const char * find)
+{
+    char c, sc;
+    size_t len;
+
+    if ((c = *find++) != 0) {
+        len = strlen(find);
+        do {
+            do {
+                if ((sc = *s++) == 0)
+                    return NULL;
+            } while (sc != c);
+        } while (strncmp(s, find, len) != 0);
+        s--;
+    }
+    return s;
+}
+
 //////////////////////////////
 char * strchr( const char * s,

trunk/kernel/libk/string.h

@@ -103 +103 @@
 
 /********************************************************************************************
+ * This function locates the first occurence of the <find> string in the <s> string.
+ ********************************************************************************************
+ * @ s     : string to be analysed.
+ * @ find  : searched string
+ * @ return pointer on the found string / return NULL if not found.
+ *******************************************************************************************/
+char * strstr( char       * s,
+               const char * find);
+
+/********************************************************************************************
  * This function locates the first occurence of the <c> character in the <s> string.
  ********************************************************************************************