Changeset 238 for trunk/kernel/libk

Timestamp:

Jul 19, 2017, 3:31:39 PM (7 years ago)

Author:

alain

Message:

Fixing bugs in vfs_lookup()

Location:

trunk/kernel/libk

Files:

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

trunk/kernel/libk/string.c

@@ -152 +152 @@
 }
 
+/////////////////////////////////////
+inline uint8_t to_lower( uint8_t  c )
+{
+   if (c >= 'A' && c <= 'Z') return (c | 0x20);
+   else                      return c;
+}
+
+
+/////////////////////////////////////
+inline uint8_t to_upper( uint8_t  c )
+{
+   if (c >= 'a' && c <= 'z') return (c & ~(0x20));
+   else                      return c;
+}
+
+

trunk/kernel/libk/string.h

@@ -122 +122 @@
                  int          c );
 
+/********************************************************************************************
+ * This function returns a lower case ASCII code if input is in [A...Z] range.
+ ********************************************************************************************
+ * @ c     : character to be forced to lower case.
+ * @ return lower case ASCII code.
+ *******************************************************************************************/
+inline uint8_t to_lower( uint8_t  c );
+
+/********************************************************************************************
+ * This function returns an upper case ASCII code if input is in [a...z] range.
+ ********************************************************************************************
+ * @ c     : character to be forced to upper case.
+ * @ return upper case ASCII code.
+ *******************************************************************************************/
+inline uint8_t to_upper( uint8_t  c );
+
 #endif  /* _STRING_H_ */