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/* str_util.h
* String utility definitions
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __STR_UTIL_H__
#define __STR_UTIL_H__
/** Convert all upper-case ASCII letters to their ASCII lower-case
* equivalents, in place, with a simple non-locale-dependent
* ASCII mapping (A-Z -> a-z).
* All other characters are left unchanged, as the mapping to
* lower case may be locale-dependent.
*
* The string is assumed to be in a character encoding, such as
* an ISO 8859 or other EUC encoding, or UTF-8, in which all
* bytes in the range 0x00 through 0x7F are ASCII characters and
* non-ASCII characters are constructed from one or more bytes in
* the range 0x80 through 0xFF.
*
* @param str The string to be lower-cased.
* @return ptr to the string
*/
gchar *ascii_strdown_inplace(gchar *str);
/** Convert all lower-case ASCII letters to their ASCII upper-case
* equivalents, in place, with a simple non-locale-dependent
* ASCII mapping (a-z -> A-Z).
* All other characters are left unchanged, as the mapping to
* lower case may be locale-dependent.
*
* The string is assumed to be in a character encoding, such as
* an ISO 8859 or other EUC encoding, or UTF-8, in which all
* bytes in the range 0x00 through 0x7F are ASCII characters and
* non-ASCII characters are constructed from one or more bytes in
* the range 0x80 through 0xFF.
*
* @param str The string to be upper-cased.
* @return ptr to the string
*/
gchar *ascii_strup_inplace(gchar *str);
/** Check if an entire string consists of printable characters
*
* @param str The string to be checked
* @return TRUE if the entire string is printable, otherwise FALSE
*/
gboolean isprint_string(guchar *string);
/** Check if an entire string consists of digits
*
* @param str The string to be checked
* @return TRUE if the entire string is digits, otherwise FALSE
*/
gboolean isdigit_string(guchar *string);
#endif /* __STR_UTIL_H__ */
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