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 * ----------------------------------------------------------------------------
13 #include <sys/types.h>
25 MDXEnd(MDX_CTX *ctx, char *buf)
28 unsigned char digest[LENGTH];
29 static const char hex[]="0123456789abcdef";
32 buf = malloc(2*LENGTH + 1);
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];
45 MDXFile(const char *filename, char *buf)
47 return MDXFileChunk(filename, buf, 0, 0);
51 MDXFileChunk(const char *filename, char *buf, off_t ofs, off_t len)
53 unsigned char buffer[BUFSIZ];
60 f = open(filename, O_RDONLY);
62 if (fstat(f, &stbuf) < 0) return 0;
63 if (ofs > stbuf.st_size)
65 if ((len == 0) || (len > stbuf.st_size - ofs))
66 len = stbuf.st_size - ofs;
67 if (lseek(f, ofs, SEEK_SET) < 0) return 0;
70 if (n > sizeof(buffer))
71 i = read(f, buffer, sizeof(buffer));
73 i = read(f, buffer, n);
75 MDXUpdate(&ctx, buffer, i);
82 return MDXEnd(&ctx, buf);
86 MDXData (const unsigned char *data, unsigned int len, char *buf)
91 MDXUpdate(&ctx,data,len);
92 return MDXEnd(&ctx, buf);