/* util.h -- general utility functions * $Id: util.h,v 1.20 2007/01/09 17:04:10 murch Exp $ * * Copyright (c) 1998-2003 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)); /* Examine the name of a file, and return a single character * (as an int) that can be used as the name of a hash * directory. Caller is responsible for skipping any prefix * of the name. */ extern int dir_hash_c(const char *name); /* * create an [unlinked] temporary file and return the file descriptor. */ extern int create_tempfile(); /* Close a network filedescriptor the "safe" way */ extern int cyrus_close_sock(int fd); /* Reset stdin/stdout/stderr */ extern void cyrus_reset_stdio(); /* Create all parent directories for the given path, * up to but not including the basename. */ extern int cyrus_mkdir(const char *path, mode_t mode); /* Some systems have very inefficient implementations of isdigit, * and we use it in a lot of inner loops */ #define cyrus_isdigit(x) ((x) >= '0' && (x) <= '9') #endif /* INCLUDED_UTIL_H */