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|
/* GKrellM
| Copyright (C) 1999-2010 Bill Wilson
|
| Author: Bill Wilson billw@gkrellm.net
| Latest versions might be found at: http://gkrellm.net
|
|
| GKrellM 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 3 of the License, or
| (at your option) any later version.
|
| GKrellM 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, see http://www.gnu.org/licenses/
|
|
| Additional permission under GNU GPL version 3 section 7
|
| If you modify this program, or any covered work, by linking or
| combining it with the OpenSSL project's OpenSSL library (or a
| modified version of that library), containing parts covered by
| the terms of the OpenSSL or SSLeay licenses, you are granted
| additional permission to convey the resulting work.
| Corresponding Source for a non-source form of such a combination
| shall include the source code for the parts of OpenSSL used as well
| as that of the covered work.
*/
#include "gkrellmd.h"
#include "gkrellmd-private.h"
gboolean
gkrellmd_dup_string(gchar **dst, gchar *src)
{
if (!dst || (!*dst && !src))
return FALSE;
if (*dst)
{
if (src && !strcmp(*dst, src))
return FALSE;
g_free(*dst);
}
*dst = g_strdup(src);
return TRUE;
}
gboolean
gkrellm_dup_string(gchar **dst, gchar *src)
{
return gkrellmd_dup_string(dst, src);
}
static gboolean
any(gchar c, gchar *s)
{
while (*s)
if (c == *s++)
return TRUE;
return FALSE;
}
/* Return a duplicated token from a string. "*string" points to the source
| string and is updated to point to the string remaining after the
| found token. If there is no next token, return an empty dupped string
| (not a NULL pointer) and leave *string unchanged.
| Unlike strtok(): args are not modified, gkrellm_token() can be used on
| constant strings, delimeter identity is not lost, and it's thread safe.
| Only the caller's initial string pointer is modified.
*/
gchar *
gkrellmd_dup_token(gchar **string, gchar *delimeters)
{
gchar *str, *s, *delims;
gboolean quoted = FALSE;
if (!string || !*string)
return g_strdup("");
str = *string;
delims = delimeters ? delimeters : " \t\n";
while (any(*str, delims))
++str;
if (*str == '"')
{
quoted = TRUE;
++str;
for (s = str; *s && *s != '"'; ++s)
;
}
else
for (s = str; *s && !any(*s, delims); ++s)
;
*string = (quoted && *s) ? s + 1 : s;
return g_strndup(str, s - str);
}
gchar *
gkrellm_dup_token(gchar **string, gchar *delimeters)
{
return gkrellmd_dup_token(string, delimeters);
}
void
gkrellmd_free_glist_and_data(GList **list_head)
{
GList *list;
if (*list_head == NULL)
return;
/* could use g_list_foreach(*list_head, (G_FUNC)g_free, NULL);
*/
for (list = *list_head; list; list = list->next)
if (list->data)
g_free(list->data);
g_list_free(*list_head);
*list_head = NULL;
}
void
gkrellm_free_glist_and_data(GList **list_head)
{
gkrellmd_free_glist_and_data(list_head);
}
/* If there is a line in the gstring ('\n' delimited) copy it to the
| line buffer including the newline and erase it from the gstring.
*/
gboolean
gkrellmd_getline_from_gstring(GString **gstring, gchar *line, gint size)
{
GString *gstr = *gstring;
gchar *s;
gint len, n;
if (gstr && gstr->str && (s = strchr(gstr->str, '\n')) != NULL)
{
n = len = s - gstr->str + 1;
if (n >= size)
n = size - 1; /* Truncate the line to fit */
strncpy(line, gstr->str, n);
line[n] = '\0';
*gstring = g_string_erase(gstr, 0, len);
return TRUE;
}
return FALSE;
}
gboolean
gkrellm_getline_from_gstring(GString **gstring, gchar *line, gint size)
{
return gkrellmd_getline_from_gstring(gstring, line, size);
}
|
