2008-09-03 19:14:52 +00:00
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/* 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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2012-06-28 22:56:06 +00:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2008-09-03 19:14:52 +00:00
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*/
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2012-09-20 01:29:52 +00:00
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#include "config.h"
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2008-09-03 19:14:52 +00:00
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#include <glib.h>
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#include "str_util.h"
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2012-02-17 17:22:12 +00:00
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#include <ctype.h>
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2008-09-03 19:14:52 +00:00
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/* Convert all ASCII letters to lower case, in place. */
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2009-01-17 17:30:23 +00:00
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gchar *
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2008-09-03 19:14:52 +00:00
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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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2009-01-17 17:30:23 +00:00
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return (str);
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2008-09-03 19:14:52 +00:00
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}
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/* Convert all ASCII letters to upper case, in place. */
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2009-01-17 17:30:23 +00:00
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gchar *
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2008-09-03 19:14:52 +00:00
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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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2009-01-17 17:30:23 +00:00
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return (str);
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2008-09-03 19:14:52 +00:00
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}
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2012-02-17 17:22:12 +00:00
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/* Check if an entire string is printable. */
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gboolean
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2012-12-26 13:41:30 +00:00
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isprint_string(const gchar *str)
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2012-02-17 17:22:12 +00:00
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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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2012-10-10 19:17:31 +00:00
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#define FORMAT_SIZE_UNIT_MASK 0x00ff
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#define FORMAT_SIZE_PFX_MASK 0xff00
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/* Given a size, return its value in a human-readable format */
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gchar *format_size(gint64 size, format_size_flags_e flags) {
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GString *human_str = g_string_new("");
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int power = 1000;
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int pfx_off = 0;
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gboolean is_small = FALSE;
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const gchar *prefix[] = {"T", "G", "M", "k", "Ti", "Gi", "Mi", "Ki"};
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gchar *ret_val;
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if ((flags & FORMAT_SIZE_PFX_MASK) == format_size_prefix_iec) {
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pfx_off = 4;
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power = 1024;
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}
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2012-10-10 20:19:18 +00:00
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if (size / power / power / power / power >= 10) {
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2012-10-10 19:17:31 +00:00
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g_string_printf(human_str, "%" G_GINT64_MODIFIER "d %s", size / power / power / power / power, prefix[pfx_off]);
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2012-10-10 20:19:18 +00:00
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} else if (size / power / power / power >= 10) {
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2012-10-10 19:17:31 +00:00
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g_string_printf(human_str, "%" G_GINT64_MODIFIER "d %s", size / power / power / power, prefix[pfx_off+1]);
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2012-10-10 20:19:18 +00:00
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} else if (size / power / power >= 10) {
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2012-10-10 19:17:31 +00:00
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g_string_printf(human_str, "%" G_GINT64_MODIFIER "d %s", size / power / power, prefix[pfx_off+2]);
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2012-10-10 20:19:18 +00:00
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} else if (size / power >= 10) {
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2012-10-10 19:17:31 +00:00
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g_string_printf(human_str, "%" G_GINT64_MODIFIER "d %s", size / power, prefix[pfx_off+3]);
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} else {
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g_string_printf(human_str, "%" G_GINT64_MODIFIER "d ", size);
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is_small = TRUE;
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}
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switch (flags & FORMAT_SIZE_UNIT_MASK) {
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case format_size_unit_none:
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break;
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case format_size_unit_bytes:
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g_string_append(human_str, is_small ? "bytes" : "B");
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break;
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case format_size_unit_bits:
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g_string_append(human_str, is_small ? "bits" : "b");
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break;
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case format_size_unit_bits_s:
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g_string_append(human_str, is_small ? "bits/s" : "bps");
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break;
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default:
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g_assert_not_reached();
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}
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ret_val = human_str->str;
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g_string_free(human_str, FALSE);
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return ret_val;
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}
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