mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-12 03:43:33 +08:00
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/* SHA-1 thunks.
|
|
Copyright (C) 2019-2021 Free Software Foundation, Inc.
|
|
|
|
This file is part of libctf.
|
|
|
|
libctf 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, or (at your option) any later
|
|
version.
|
|
|
|
This program 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; see the file COPYING. If not see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <ctf-impl.h>
|
|
#include <ctf-sha1.h>
|
|
|
|
static const char hex[] = "0123456789abcdef";
|
|
|
|
char *
|
|
ctf_sha1_fini (ctf_sha1_t *sha1, char *buf)
|
|
{
|
|
size_t i;
|
|
|
|
/* Alignment suitable for a uint32_t. */
|
|
union
|
|
{
|
|
uint32_t align;
|
|
unsigned char digest[((CTF_SHA1_SIZE - 1) / 2) + 1];
|
|
} align;
|
|
|
|
sha1_finish_ctx (sha1, align.digest);
|
|
|
|
if (!buf)
|
|
return NULL;
|
|
|
|
buf[CTF_SHA1_SIZE - 1] = '\0';
|
|
|
|
for (i = 0; i < (CTF_SHA1_SIZE - 1) / 2; i++)
|
|
{
|
|
buf[2 * i] = hex[align.digest[i] >> 4];
|
|
buf[2 * i + 1] = hex[align.digest[i] & 0xf];
|
|
}
|
|
return buf;
|
|
}
|