Next round of fixing all kinds of spelling mistakes.
[dragonfly.git] / lib / libmd / mdXhl.c
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1/* mdXhl.c
2 * ----------------------------------------------------------------------------
3 * "THE BEER-WARE LICENSE" (Revision 42):
4 * <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
5 * can do whatever you want with this stuff. If we meet some day, and you think
6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
7 * ----------------------------------------------------------------------------
8 *
9 * $FreeBSD: src/lib/libmd/mdXhl.c,v 1.13 1999/08/28 00:05:07 peter Exp $
1de703da 10 * $DragonFly: src/lib/libmd/mdXhl.c,v 1.2 2003/06/17 04:26:50 dillon Exp $
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11 *
12 */
13
14#include <sys/types.h>
15#include <fcntl.h>
16#include <unistd.h>
17
18#include <errno.h>
19#include <stdio.h>
20#include <stdlib.h>
21
22#include "mdX.h"
23
24char *
25MDXEnd(MDX_CTX *ctx, char *buf)
26{
27 int i;
28 unsigned char digest[LENGTH];
29 static const char hex[]="0123456789abcdef";
30
31 if (!buf)
32 buf = malloc(2*LENGTH + 1);
33 if (!buf)
34 return 0;
35 MDXFinal(digest, ctx);
36 for (i = 0; i < LENGTH; i++) {
37 buf[i+i] = hex[digest[i] >> 4];
38 buf[i+i+1] = hex[digest[i] & 0x0f];
39 }
40 buf[i+i] = '\0';
41 return buf;
42}
43
44char *
45MDXFile(const char *filename, char *buf)
46{
47 unsigned char buffer[BUFSIZ];
48 MDX_CTX ctx;
49 int f,i,j;
50
51 MDXInit(&ctx);
52 f = open(filename,O_RDONLY);
53 if (f < 0) return 0;
54 while ((i = read(f,buffer,sizeof buffer)) > 0) {
55 MDXUpdate(&ctx,buffer,i);
56 }
57 j = errno;
58 close(f);
59 errno = j;
60 if (i < 0) return 0;
61 return MDXEnd(&ctx, buf);
62}
63
64char *
65MDXData (const unsigned char *data, unsigned int len, char *buf)
66{
67 MDX_CTX ctx;
68
69 MDXInit(&ctx);
70 MDXUpdate(&ctx,data,len);
71 return MDXEnd(&ctx, buf);
72}