| 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 $ |
| 10 | * $DragonFly: src/lib/libmd/mdXhl.c,v 1.2 2003/06/17 04:26:50 dillon Exp $ |
| 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 | |
| 24 | char * |
| 25 | MDXEnd(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 | |
| 44 | char * |
| 45 | MDXFile(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 | |
| 64 | char * |
| 65 | MDXData (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 | } |