Changeset 2dd7288 in mainline

Timestamp:

2008-08-10T09:11:44Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

d2e9c47

Parents:

5749372

Message:

Add tolower() and stricmp().

Location:

uspace/lib/libc

Files:

• generic/string.c (modified) (2 diffs)
• include/ctype.h (modified) (1 diff)
• include/string.h (modified) (1 diff)

uspace/lib/libc/generic/string.c

@@ -147 +147 @@
         
         return (a[c] - b[c]);
-        
 }
 
@@ -159 +158 @@
         return ( c < n ? a[c] - b[c] : 0);
         
+}
+
+int stricmp(const char *a, const char *b)
+{
+        int c = 0;
+        
+        while (a[c] && b[c] && (!(tolower(a[c]) - tolower(b[c]))))
+                c++;
+        
+        return (tolower(a[c]) - tolower(b[c]));
 }
 

uspace/lib/libc/include/ctype.h

@@ -77 +77 @@
 }
 
+static inline int tolower(int c)
+{
+        if (isupper(c))
+                return (c + ('a' - 'A' > 0 ? 'a' - 'A' : 'A' - 'a'));
+        else
+                return c;
+}
+
 #endif
 

uspace/lib/libc/include/string.h

@@ -48 +48 @@
 extern int strcmp(const char *, const char *);
 extern int strncmp(const char *, const char *, size_t);
+extern int stricmp(const char *, const char *);
 
 extern char *strcpy(char *, const char *);