7a52947075
the exec dissector and into wsutil/str_util.c. Rename them to isdigit_string() and isprint_string(). Also rename the variables they use for consistency: string -> str and position -> pos. svn path=/trunk/; revision=41053
93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
/* str_util.c
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* String utility routines
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <glib.h>
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#include "str_util.h"
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#include <ctype.h>
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/* Convert all ASCII letters to lower case, in place. */
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gchar *
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ascii_strdown_inplace(gchar *str)
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{
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gchar *s;
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for (s = str; *s; s++)
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*s = g_ascii_tolower (*s);
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return (str);
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}
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/* Convert all ASCII letters to upper case, in place. */
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gchar *
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ascii_strup_inplace(gchar *str)
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{
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gchar *s;
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for (s = str; *s; s++)
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*s = g_ascii_toupper (*s);
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return (str);
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}
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/* Check if an entire string is printable. */
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gboolean
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isprint_string(guchar *str)
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{
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guint pos;
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/* Loop until we reach the end of the string (a null) */
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for(pos = 0; str[pos] != '\0'; pos++){
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if(!isprint(str[pos])){
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/* The string contains a non-printable character */
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return FALSE;
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}
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}
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/* The string contains only printable characters */
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return TRUE;
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}
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/* Check if an entire string is digits. */
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gboolean
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isdigit_string(guchar *str)
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{
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guint pos;
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/* Loop until we reach the end of the string (a null) */
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for(pos = 0; str[pos] != '\0'; pos++){
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if(!isdigit(str[pos])){
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/* The string contains a non-digit character */
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return FALSE;
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}
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}
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/* The string contains only digits */
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return TRUE;
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}
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