Last change
on this file since 1054 was 821, checked in by Bruno Cornec, 18 years ago |
Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)
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File size:
1.2 KB
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1 | /*
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2 | * feature.c --- convert between features and strings
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3 | *
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4 | * Copyright (C) 1999 Theodore Ts'o <tytso@mit.edu>
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5 | *
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6 | * This file can be redistributed under the terms of the GNU Library General
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7 | * Public License
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8 | *
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9 | */
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10 |
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11 | #include <stdio.h>
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12 | #include <stdlib.h>
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13 | #include <string.h>
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14 | #include <ctype.h>
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15 | #include <errno.h>
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16 |
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17 | #include "e2p.h"
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18 |
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19 | struct hash {
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20 | int num;
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21 | const char *string;
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22 | };
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23 |
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24 | static const struct hash hash_list[] = {
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25 | { EXT2_HASH_LEGACY, "legacy" },
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26 | { EXT2_HASH_HALF_MD4, "half_md4" },
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27 | { EXT2_HASH_TEA, "tea" },
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28 | { 0, 0 },
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29 | };
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30 |
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31 | const char *e2p_hash2string(int num)
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32 | {
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33 | const struct hash *p;
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34 | static char buf[20];
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35 |
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36 | for (p = hash_list; p->string; p++) {
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37 | if (num == p->num)
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38 | return p->string;
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39 | }
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40 | sprintf(buf, "HASHALG_%d", num);
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41 | return buf;
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42 | }
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43 |
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44 | /*
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45 | * Returns the hash algorithm, or -1 on error
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46 | */
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47 | int e2p_string2hash(char *string)
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48 | {
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49 | const struct hash *p;
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50 | char *eptr;
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51 | int num;
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52 |
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53 | for (p = hash_list; p->string; p++) {
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54 | if (!strcasecmp(string, p->string)) {
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55 | return p->num;
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56 | }
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57 | }
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58 | if (strncasecmp(string, "HASHALG_", 8))
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59 | return -1;
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60 |
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61 | if (string[8] == 0)
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62 | return -1;
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63 | num = strtol(string+8, &eptr, 10);
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64 | if (num > 255 || num < 0)
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65 | return -1;
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66 | if (*eptr)
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67 | return -1;
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68 | return num;
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69 | }
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