Merge with git+ssh://cvs.ucw.cz/projects/sherlock/GIT/sherlock.git

[libucw.git] / lib / chartype.h

diff --git a/lib/chartype.h b/lib/chartype.h
index 4111eb11eb0a0b15e3d33b0ac9b9f58c8bcf7c6d..09dc1ec4c69c92f309d19e19675e2d27fb0d302e 100644 (file)
--- a/lib/chartype.h
+++ b/lib/chartype.h
@@ -1,11 +1,14 @@
 /*
- *     Sherlock Library -- Character Types
+ *     UCW Library -- Character Types
  *
- *     (c) 1997 Martin Mares <mj@ucw.cz>
+ *     (c) 1997--2004 Martin Mares <mj@ucw.cz>
+ *
+ *     This software may be freely distributed and used according to the terms
+ *     of the GNU Lesser General Public License.
  */
 
-#ifndef _SHERLOCK_CHARTYPE_H
-#define _SHERLOCK_CHARTYPE_H
+#ifndef _UCW_CHARTYPE_H
+#define _UCW_CHARTYPE_H
 
 #define _C_UPPER 1                     /* Upper-case letters */
 #define _C_LOWER 2                     /* Lower-case letters */
@@ -13,7 +16,7 @@
 #define _C_DIGIT 8                     /* Digits */
 #define _C_CTRL 16                     /* Control characters */
 #define _C_XDIGIT 32                   /* Hexadecimal digits */
-#define _C_BLANK 64                    /* Blanks */
+#define _C_BLANK 64                    /* White spaces (spaces, tabs, newlines) */
 #define _C_INNER 128                   /* `inner punctuation' -- underscore etc. */
 
 #define _C_ALPHA (_C_UPPER | _C_LOWER)
@@ -21,7 +24,7 @@
 #define _C_WORD (_C_ALNUM | _C_INNER)
 #define _C_WSTART (_C_ALPHA | _C_INNER)
 
-extern unsigned char _c_cat[256], _c_upper[256], _c_collate[256], _c_order[256];
+extern const unsigned char _c_cat[256], _c_upper[256], _c_lower[256];
 
 #define Category(x) (_c_cat[(unsigned char)(x)])
 #define Ccat(x,y) (Category(x) & y)
@@ -39,6 +42,7 @@ extern unsigned char _c_cat[256], _c_upper[256], _c_collate[256], _c_order[256];
 #define Cspace(x) Cblank(x)
 
 #define Cupcase(x) _c_upper[(unsigned char)(x)]
+#define Clocase(x) _c_lower[(unsigned char)(x)]
 
 #define Cxvalue(x) (((x)<'A')?((x)-'0'):(((x)&0xdf)-'A'+10))