Last change
on this file since 3438 was 1765, checked in by Bruno Cornec, 17 years ago |
Update to busybox 1.7.2
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-
Property svn:eol-style
set to
native
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File size:
1.2 KB
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * feature.c --- convert between features and strings
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4 | *
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5 | * Copyright (C) 1999 Theodore Ts'o <tytso@mit.edu>
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6 | *
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7 | * This file can be redistributed under the terms of the GNU Library General
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8 | * Public License
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9 | *
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10 | */
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11 |
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12 | #include <stdio.h>
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13 | #include <stdlib.h>
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14 | #include <string.h>
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15 | #include <ctype.h>
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16 | #include <errno.h>
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17 |
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18 | #include "e2p.h"
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19 |
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20 | struct hash {
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21 | int num;
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22 | const char *string;
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23 | };
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24 |
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25 | static const struct hash hash_list[] = {
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26 | { EXT2_HASH_LEGACY, "legacy" },
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27 | { EXT2_HASH_HALF_MD4, "half_md4" },
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28 | { EXT2_HASH_TEA, "tea" },
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29 | { 0, 0 },
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30 | };
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31 |
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32 | const char *e2p_hash2string(int num)
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33 | {
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34 | const struct hash *p;
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35 | static char buf[20];
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36 |
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37 | for (p = hash_list; p->string; p++) {
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38 | if (num == p->num)
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39 | return p->string;
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40 | }
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41 | sprintf(buf, "HASHALG_%d", num);
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42 | return buf;
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43 | }
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44 |
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45 | /*
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46 | * Returns the hash algorithm, or -1 on error
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47 | */
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48 | int e2p_string2hash(char *string)
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49 | {
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50 | const struct hash *p;
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51 | char *eptr;
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52 | int num;
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53 |
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54 | for (p = hash_list; p->string; p++) {
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55 | if (!strcasecmp(string, p->string)) {
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56 | return p->num;
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57 | }
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58 | }
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59 | if (strncasecmp(string, "HASHALG_", 8))
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60 | return -1;
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61 |
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62 | if (string[8] == 0)
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63 | return -1;
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64 | num = strtol(string+8, &eptr, 10);
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65 | if (num > 255 || num < 0)
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66 | return -1;
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67 | if (*eptr)
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68 | return -1;
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69 | return num;
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70 | }
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