Last change
on this file since 2563 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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Rev | Line | |
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[1765] | 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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