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Diffstat (limited to 'plugins/fishlim/misc.c')
-rw-r--r-- | plugins/fishlim/misc.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/plugins/fishlim/misc.c b/plugins/fishlim/misc.c new file mode 100644 index 00000000..32fe3595 --- /dev/null +++ b/plugins/fishlim/misc.c @@ -0,0 +1,54 @@ +/* + + 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; +} + + |