Changeset da680b4b in mainline for uspace/lib/c/generic/str.c

Timestamp:

2018-07-06T17:18:28Z (7 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

6419c6e

Parents:

9ba040a

Message:

Don't automatically mount writable filesystems on ATA hard drives. Better be safe than sorry. (But no way to override yet.)

File:

• uspace/lib/c/generic/str.c (modified) (1 diff)

uspace/lib/c/generic/str.c

@@ -1134 +1134 @@
                         return (char *) (str + last);
                 last = off;
+        }
+
+        return NULL;
+}
+
+/** Find first occurence of substring in string.
+ *
+ * @param hs  Haystack (string)
+ * @param n   Needle (substring to look for)
+ *
+ * @return Pointer to character in @a hs or @c NULL if not found.
+ */
+char *str_str(const char *hs, const char *n)
+{
+        size_t off = 0;
+
+        if (str_lcmp(hs, n, str_length(n)) == 0)
+                return (char *)hs;
+
+        while (str_decode(hs, &off, STR_NO_LIMIT) != 0) {
+                if (str_lcmp(hs + off, n, str_length(n)) == 0)
+                        return (char *)(hs + off);
         }