-/* mdXhl.c * ----------------------------------------------------------------------------
+/* mdXhl.c
+ * ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
* libjpeg-turbo Modifications:
- * Copyright (C) 2016, D. R. Commander.
- * Modifications are under the same license as the original code (see above)
+ * Copyright (C)2016, 2018 D. R. Commander. All Rights Reserved.
+ *
+ * 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 copyright 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 libjpeg-turbo Project nor the names of its
+ * 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 HOLDERS 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.
* ----------------------------------------------------------------------------
*/
#include <fcntl.h>
#ifdef _WIN32
#include <io.h>
-#define close _close
-#define fstat _fstat
-#define lseek _lseek
-#define read _read
-#define stat _stat
+#define close _close
+#define fstat _fstat
+#define lseek _lseek
+#define read _read
+#define stat _stat
#else
#include <unistd.h>
#endif
#include <stdio.h>
#include <stdlib.h>
-#define LENGTH 16
+#define LENGTH 16
#include "./md5.h"
-char *
-MD5End(MD5_CTX *ctx, char *buf)
+char *MD5End(MD5_CTX *ctx, char *buf)
{
- int i;
- unsigned char digest[LENGTH];
- static const char hex[]="0123456789abcdef";
+ int i;
+ unsigned char digest[LENGTH];
+ static const char hex[] = "0123456789abcdef";
- if (!buf)
- buf = malloc(2*LENGTH + 1);
- if (!buf)
- return 0;
- MD5Final(digest, ctx);
- for (i = 0; i < LENGTH; i++) {
- buf[i+i] = hex[digest[i] >> 4];
- buf[i+i+1] = hex[digest[i] & 0x0f];
- }
- buf[i+i] = '\0';
- return buf;
+ if (!buf)
+ buf = malloc(2 * LENGTH + 1);
+ if (!buf)
+ return 0;
+ MD5Final(digest, ctx);
+ for (i = 0; i < LENGTH; i++) {
+ buf[i + i] = hex[digest[i] >> 4];
+ buf[i + i + 1] = hex[digest[i] & 0x0f];
+ }
+ buf[i + i] = '\0';
+ return buf;
}
-char *
-MD5File(const char *filename, char *buf)
+char *MD5File(const char *filename, char *buf)
{
- return (MD5FileChunk(filename, buf, 0, 0));
+ return (MD5FileChunk(filename, buf, 0, 0));
}
-char *
-MD5FileChunk(const char *filename, char *buf, off_t ofs, off_t len)
+char *MD5FileChunk(const char *filename, char *buf, off_t ofs, off_t len)
{
- unsigned char buffer[BUFSIZ];
- MD5_CTX ctx;
- struct stat stbuf;
- int f, i, e;
- off_t n;
+ unsigned char buffer[BUFSIZ];
+ MD5_CTX ctx;
+ struct stat stbuf;
+ int f, i, e;
+ off_t n;
- MD5Init(&ctx);
+ MD5Init(&ctx);
#if _WIN32
- f = _open(filename, O_RDONLY|O_BINARY);
+ f = _open(filename, O_RDONLY | O_BINARY);
#else
- f = open(filename, O_RDONLY);
+ f = open(filename, O_RDONLY);
#endif
- if (f < 0)
- return 0;
- if (fstat(f, &stbuf) < 0){
- close(f);
- return 0;
- }
- if (ofs > stbuf.st_size)
- ofs = stbuf.st_size;
- if ((len == 0) || (len > stbuf.st_size - ofs))
- len = stbuf.st_size - ofs;
- if (lseek(f, ofs, SEEK_SET) < 0){
- close(f);
- return 0;
- }
- n = len;
- i = 0;
- while (n > 0) {
- if (n > sizeof(buffer))
- i = read(f, buffer, sizeof(buffer));
- else
- i = read(f, buffer, n);
- if (i < 0)
- break;
- MD5Update(&ctx, buffer, i);
- n -= i;
- }
- e = errno;
- close(f);
- errno = e;
- if (i < 0)
- return 0;
- return (MD5End(&ctx, buf));
+ if (f < 0)
+ return 0;
+ if (fstat(f, &stbuf) < 0) {
+ close(f);
+ return 0;
+ }
+ if (ofs > stbuf.st_size)
+ ofs = stbuf.st_size;
+ if ((len == 0) || (len > stbuf.st_size - ofs))
+ len = stbuf.st_size - ofs;
+ if (lseek(f, ofs, SEEK_SET) < 0) {
+ close(f);
+ return 0;
+ }
+ n = len;
+ i = 0;
+ while (n > 0) {
+ if (n > sizeof(buffer))
+ i = read(f, buffer, sizeof(buffer));
+ else
+ i = read(f, buffer, n);
+ if (i < 0)
+ break;
+ MD5Update(&ctx, buffer, i);
+ n -= i;
+ }
+ e = errno;
+ close(f);
+ errno = e;
+ if (i < 0)
+ return 0;
+ return (MD5End(&ctx, buf));
}
-char *
-MD5Data (const void *data, unsigned int len, char *buf)
+char *MD5Data(const void *data, unsigned int len, char *buf)
{
- MD5_CTX ctx;
+ MD5_CTX ctx;
- MD5Init(&ctx);
- MD5Update(&ctx,data,len);
- return (MD5End(&ctx, buf));
+ MD5Init(&ctx);
+ MD5Update(&ctx, (unsigned char *)data, len);
+ return (MD5End(&ctx, buf));
}
projects / platform / upstream / libjpeg-turbo.git / blobdiff