diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4memrs.c |
Initial commit
Diffstat (limited to 'support/dktools/dk4memrs.c')
-rw-r--r-- | support/dktools/dk4memrs.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/support/dktools/dk4memrs.c b/support/dktools/dk4memrs.c new file mode 100644 index 0000000000..cad97ca228 --- /dev/null +++ b/support/dktools/dk4memrs.c @@ -0,0 +1,111 @@ +/* + WARNING: This file was generated by dkct. + Changes you make here will be lost if dkct is run again! + You should modify the original source and run dkct on it. + Original source: dk4memrs.ctr +*/ + +/* +Copyright (C) 2015-2017, Dirk Krause + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above opyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. +* Neither the name of the author nor the names of contributors may be used + to endorse or promote products derived from this software without specific + prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. +IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** @file dk4memrs.c The dk4memrs module. +*/ + + +#line 79 "dk4memrs.ctr" + +#include "dk4conf.h" + +#ifndef STDIO_H_INCLUDED +#include <stdio.h> +#define STDIO_H_INCLUDED 1 +#endif +#ifndef STDLIB_H_INCLUDED +#include <stdlib.h> +#define STDLIB_H_INCLUDED 1 +#endif +#if DK4_ON_WINDOWS +#ifndef WINDOWS_H_INCLUDED +#include <windows.h> +#define WINDOWS_H_INCLUDED 1 +#endif +#endif + +#include "dk4mem.h" + +int +dk4mem_reset_secure(void *ptr, size_t sz, dk4_er_t *erp) +{ +#if !DK4_ON_WINDOWS + unsigned char *p1; +#endif + int back = 0; + + if ((NULL != ptr) && (0 < sz)) { +#if DK4_ON_WINDOWS + SecureZeroMemory(ptr, sz); + back = 1; +#else + DK4_MEMRES(ptr, sz); + p1 = (unsigned char *)ptr; + back = 1; + while(sz--) { + if ('\0' != *(p1++)) { + back = 0; + dk4error_set_simple_error_code(erp, DK4_E_BUG); + } + } +#endif + } else { + dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); + } + return back; +} + + + +int +dk4mem_free_secure(void *ptr, size_t sz, dk4_er_t *erp) +{ + int back = 0; + + if (NULL != ptr) { + if (0 < sz) { + back = dk4mem_reset_secure(ptr, sz, erp); + } else { + back = 1; + } + dk4mem_free(ptr); + } else { + dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); + } + return back; +} + + + |