mirror of
https://github.com/moparisthebest/hexchat
synced 2024-12-22 15:48:52 -05:00
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
|
|
|
|
Copyright (c) 2010 Samuel Lidén Borell <samuel@slbdata.se>
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
|
|
*/
|
|
|
|
#include <glib.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "misc.h"
|
|
|
|
|
|
void secure_erase(void *ptr, size_t size) {
|
|
// "volatile" prevents this code from being optimized away
|
|
volatile char* volptr = ptr;
|
|
while (size--) *volptr++ = 0;
|
|
}
|
|
|
|
/**
|
|
* Re-allocates a string with the native allocator.
|
|
*/
|
|
char *import_glib_string(gchar *gstr) {
|
|
size_t size;
|
|
char *native;
|
|
if (g_mem_is_system_malloc()) return gstr;
|
|
|
|
size = strlen(gstr)+1;
|
|
native = malloc(size);
|
|
memcpy(native, gstr, size);
|
|
|
|
secure_erase(gstr, size);
|
|
g_free(gstr);
|
|
return native;
|
|
}
|
|
|
|
|