util.h
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/* util.h -- general utility functions
* $Id$
*
* Copyright (c) 1999-2000 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any other legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Chris Newman
* Start Date: 4/6/93
*/
#ifndef INCLUDED_UTIL_H
#define INCLUDED_UTIL_H
extern const unsigned char convert_to_lowercase[256];
extern const unsigned char convert_to_uppercase[256];
#define TOUPPER(c) (convert_to_uppercase[(unsigned char)(c)])
#define TOLOWER(c) (convert_to_lowercase[(unsigned char)(c)])
typedef struct keyvalue {
char *key, *value;
} keyvalue;
/* convert string to all lower case
*/
extern char *lcase (char *str);
/* convert string to all upper case
*/
extern char *ucase (char *str);
/* clean up control characters in a string while copying it
* returns pointer to end of dst string.
* dst must have twice the length of source
*/
extern char *beautify_copy (char *dst, const char *src);
/* clean up control characters in a string while copying it
* returns pointer to a static buffer containing the cleaned-up version
* returns NULL on malloc() error
*/
extern char *beautify_string (const char *src);
/* do a binary search in a keyvalue array
* nelem is the number of keyvalue elements in the kv array
* cmpf is the comparison function (strcmp, stricmp, etc).
* returns NULL if not found, or key/value pair if found.
*/
extern keyvalue *kv_bsearch (const char *key, keyvalue *kv, int nelem,
int (*cmpf)(const char *s1, const char *s2));
#endif /* INCLUDED_UTIL_H */