| @@ -1,553 +1,559 @@ | | | @@ -1,553 +1,559 @@ |
1 | /* $NetBSD: unvis.c,v 1.41 2012/12/15 04:29:53 matt Exp $ */ | | 1 | /* $NetBSD: unvis.c,v 1.42 2014/09/26 12:59:28 roy Exp $ */ |
2 | | | 2 | |
3 | /*- | | 3 | /*- |
4 | * Copyright (c) 1989, 1993 | | 4 | * Copyright (c) 1989, 1993 |
5 | * The Regents of the University of California. All rights reserved. | | 5 | * The Regents of the University of California. All rights reserved. |
6 | * | | 6 | * |
7 | * Redistribution and use in source and binary forms, with or without | | 7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions | | 8 | * modification, are permitted provided that the following conditions |
9 | * are met: | | 9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright | | 10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. | | 11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright | | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the | | 13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. | | 14 | * documentation and/or other materials provided with the distribution. |
15 | * 3. Neither the name of the University nor the names of its contributors | | 15 | * 3. Neither the name of the University nor the names of its contributors |
16 | * may be used to endorse or promote products derived from this software | | 16 | * may be used to endorse or promote products derived from this software |
17 | * without specific prior written permission. | | 17 | * without specific prior written permission. |
18 | * | | 18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | | 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | | 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | | 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | | 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | | 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | | 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | | 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | | 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | | 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | | 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
29 | * SUCH DAMAGE. | | 29 | * SUCH DAMAGE. |
30 | */ | | 30 | */ |
31 | | | 31 | |
32 | #include <sys/cdefs.h> | | 32 | #include <sys/cdefs.h> |
33 | #if defined(LIBC_SCCS) && !defined(lint) | | 33 | #if defined(LIBC_SCCS) && !defined(lint) |
34 | #if 0 | | 34 | #if 0 |
35 | static char sccsid[] = "@(#)unvis.c 8.1 (Berkeley) 6/4/93"; | | 35 | static char sccsid[] = "@(#)unvis.c 8.1 (Berkeley) 6/4/93"; |
36 | #else | | 36 | #else |
37 | __RCSID("$NetBSD: unvis.c,v 1.41 2012/12/15 04:29:53 matt Exp $"); | | 37 | __RCSID("$NetBSD: unvis.c,v 1.42 2014/09/26 12:59:28 roy Exp $"); |
38 | #endif | | 38 | #endif |
39 | #endif /* LIBC_SCCS and not lint */ | | 39 | #endif /* LIBC_SCCS and not lint */ |
40 | | | 40 | |
41 | #include "namespace.h" | | 41 | #include "namespace.h" |
42 | #include <sys/types.h> | | 42 | #include <sys/types.h> |
43 | | | 43 | |
44 | #include <assert.h> | | 44 | #include <assert.h> |
45 | #include <ctype.h> | | 45 | #include <ctype.h> |
46 | #include <stdint.h> | | 46 | #include <stdint.h> |
47 | #include <stdio.h> | | 47 | #include <stdio.h> |
48 | #include <errno.h> | | 48 | #include <errno.h> |
49 | #include <vis.h> | | 49 | #include <vis.h> |
50 | | | 50 | |
51 | #ifdef __weak_alias | | 51 | #ifdef __weak_alias |
52 | __weak_alias(strnunvisx,_strnunvisx) | | 52 | __weak_alias(strnunvisx,_strnunvisx) |
53 | #endif | | 53 | #endif |
54 | | | 54 | |
55 | #if !HAVE_VIS | | 55 | #if !HAVE_VIS |
56 | /* | | 56 | /* |
57 | * decode driven by state machine | | 57 | * decode driven by state machine |
58 | */ | | 58 | */ |
59 | #define S_GROUND 0 /* haven't seen escape char */ | | 59 | #define S_GROUND 0 /* haven't seen escape char */ |
60 | #define S_START 1 /* start decoding special sequence */ | | 60 | #define S_START 1 /* start decoding special sequence */ |
61 | #define S_META 2 /* metachar started (M) */ | | 61 | #define S_META 2 /* metachar started (M) */ |
62 | #define S_META1 3 /* metachar more, regular char (-) */ | | 62 | #define S_META1 3 /* metachar more, regular char (-) */ |
63 | #define S_CTRL 4 /* control char started (^) */ | | 63 | #define S_CTRL 4 /* control char started (^) */ |
64 | #define S_OCTAL2 5 /* octal digit 2 */ | | 64 | #define S_OCTAL2 5 /* octal digit 2 */ |
65 | #define S_OCTAL3 6 /* octal digit 3 */ | | 65 | #define S_OCTAL3 6 /* octal digit 3 */ |
66 | #define S_HEX 7 /* mandatory hex digit */ | | 66 | #define S_HEX 7 /* mandatory hex digit */ |
67 | #define S_HEX1 8 /* http hex digit */ | | 67 | #define S_HEX1 8 /* http hex digit */ |
68 | #define S_HEX2 9 /* http hex digit 2 */ | | 68 | #define S_HEX2 9 /* http hex digit 2 */ |
69 | #define S_MIME1 10 /* mime hex digit 1 */ | | 69 | #define S_MIME1 10 /* mime hex digit 1 */ |
70 | #define S_MIME2 11 /* mime hex digit 2 */ | | 70 | #define S_MIME2 11 /* mime hex digit 2 */ |
71 | #define S_EATCRNL 12 /* mime eating CRNL */ | | 71 | #define S_EATCRNL 12 /* mime eating CRNL */ |
72 | #define S_AMP 13 /* seen & */ | | 72 | #define S_AMP 13 /* seen & */ |
73 | #define S_NUMBER 14 /* collecting number */ | | 73 | #define S_NUMBER 14 /* collecting number */ |
74 | #define S_STRING 15 /* collecting string */ | | 74 | #define S_STRING 15 /* collecting string */ |
75 | | | 75 | |
76 | #define isoctal(c) (((u_char)(c)) >= '0' && ((u_char)(c)) <= '7') | | 76 | #define isoctal(c) (((u_char)(c)) >= '0' && ((u_char)(c)) <= '7') |
77 | #define xtod(c) (isdigit(c) ? (c - '0') : ((tolower(c) - 'a') + 10)) | | 77 | #define xtod(c) (isdigit(c) ? (c - '0') : ((tolower(c) - 'a') + 10)) |
78 | #define XTOD(c) (isdigit(c) ? (c - '0') : ((c - 'A') + 10)) | | 78 | #define XTOD(c) (isdigit(c) ? (c - '0') : ((c - 'A') + 10)) |
79 | | | 79 | |
80 | /* | | 80 | /* |
81 | * RFC 1866 | | 81 | * RFC 1866 |
82 | */ | | 82 | */ |
83 | static const struct nv { | | 83 | static const struct nv { |
84 | char name[7]; | | 84 | char name[7]; |
85 | uint8_t value; | | 85 | uint8_t value; |
86 | } nv[] = { | | 86 | } nv[] = { |
87 | { "AElig", 198 }, /* capital AE diphthong (ligature) */ | | 87 | { "AElig", 198 }, /* capital AE diphthong (ligature) */ |
88 | { "Aacute", 193 }, /* capital A, acute accent */ | | 88 | { "Aacute", 193 }, /* capital A, acute accent */ |
89 | { "Acirc", 194 }, /* capital A, circumflex accent */ | | 89 | { "Acirc", 194 }, /* capital A, circumflex accent */ |
90 | { "Agrave", 192 }, /* capital A, grave accent */ | | 90 | { "Agrave", 192 }, /* capital A, grave accent */ |
91 | { "Aring", 197 }, /* capital A, ring */ | | 91 | { "Aring", 197 }, /* capital A, ring */ |
92 | { "Atilde", 195 }, /* capital A, tilde */ | | 92 | { "Atilde", 195 }, /* capital A, tilde */ |
93 | { "Auml", 196 }, /* capital A, dieresis or umlaut mark */ | | 93 | { "Auml", 196 }, /* capital A, dieresis or umlaut mark */ |
94 | { "Ccedil", 199 }, /* capital C, cedilla */ | | 94 | { "Ccedil", 199 }, /* capital C, cedilla */ |
95 | { "ETH", 208 }, /* capital Eth, Icelandic */ | | 95 | { "ETH", 208 }, /* capital Eth, Icelandic */ |
96 | { "Eacute", 201 }, /* capital E, acute accent */ | | 96 | { "Eacute", 201 }, /* capital E, acute accent */ |
97 | { "Ecirc", 202 }, /* capital E, circumflex accent */ | | 97 | { "Ecirc", 202 }, /* capital E, circumflex accent */ |
98 | { "Egrave", 200 }, /* capital E, grave accent */ | | 98 | { "Egrave", 200 }, /* capital E, grave accent */ |
99 | { "Euml", 203 }, /* capital E, dieresis or umlaut mark */ | | 99 | { "Euml", 203 }, /* capital E, dieresis or umlaut mark */ |
100 | { "Iacute", 205 }, /* capital I, acute accent */ | | 100 | { "Iacute", 205 }, /* capital I, acute accent */ |
101 | { "Icirc", 206 }, /* capital I, circumflex accent */ | | 101 | { "Icirc", 206 }, /* capital I, circumflex accent */ |
102 | { "Igrave", 204 }, /* capital I, grave accent */ | | 102 | { "Igrave", 204 }, /* capital I, grave accent */ |
103 | { "Iuml", 207 }, /* capital I, dieresis or umlaut mark */ | | 103 | { "Iuml", 207 }, /* capital I, dieresis or umlaut mark */ |
104 | { "Ntilde", 209 }, /* capital N, tilde */ | | 104 | { "Ntilde", 209 }, /* capital N, tilde */ |
105 | { "Oacute", 211 }, /* capital O, acute accent */ | | 105 | { "Oacute", 211 }, /* capital O, acute accent */ |
106 | { "Ocirc", 212 }, /* capital O, circumflex accent */ | | 106 | { "Ocirc", 212 }, /* capital O, circumflex accent */ |
107 | { "Ograve", 210 }, /* capital O, grave accent */ | | 107 | { "Ograve", 210 }, /* capital O, grave accent */ |
108 | { "Oslash", 216 }, /* capital O, slash */ | | 108 | { "Oslash", 216 }, /* capital O, slash */ |
109 | { "Otilde", 213 }, /* capital O, tilde */ | | 109 | { "Otilde", 213 }, /* capital O, tilde */ |
110 | { "Ouml", 214 }, /* capital O, dieresis or umlaut mark */ | | 110 | { "Ouml", 214 }, /* capital O, dieresis or umlaut mark */ |
111 | { "THORN", 222 }, /* capital THORN, Icelandic */ | | 111 | { "THORN", 222 }, /* capital THORN, Icelandic */ |
112 | { "Uacute", 218 }, /* capital U, acute accent */ | | 112 | { "Uacute", 218 }, /* capital U, acute accent */ |
113 | { "Ucirc", 219 }, /* capital U, circumflex accent */ | | 113 | { "Ucirc", 219 }, /* capital U, circumflex accent */ |
114 | { "Ugrave", 217 }, /* capital U, grave accent */ | | 114 | { "Ugrave", 217 }, /* capital U, grave accent */ |
115 | { "Uuml", 220 }, /* capital U, dieresis or umlaut mark */ | | 115 | { "Uuml", 220 }, /* capital U, dieresis or umlaut mark */ |
116 | { "Yacute", 221 }, /* capital Y, acute accent */ | | 116 | { "Yacute", 221 }, /* capital Y, acute accent */ |
117 | { "aacute", 225 }, /* small a, acute accent */ | | 117 | { "aacute", 225 }, /* small a, acute accent */ |
118 | { "acirc", 226 }, /* small a, circumflex accent */ | | 118 | { "acirc", 226 }, /* small a, circumflex accent */ |
119 | { "acute", 180 }, /* acute accent */ | | 119 | { "acute", 180 }, /* acute accent */ |
120 | { "aelig", 230 }, /* small ae diphthong (ligature) */ | | 120 | { "aelig", 230 }, /* small ae diphthong (ligature) */ |
121 | { "agrave", 224 }, /* small a, grave accent */ | | 121 | { "agrave", 224 }, /* small a, grave accent */ |
122 | { "amp", 38 }, /* ampersand */ | | 122 | { "amp", 38 }, /* ampersand */ |
123 | { "aring", 229 }, /* small a, ring */ | | 123 | { "aring", 229 }, /* small a, ring */ |
124 | { "atilde", 227 }, /* small a, tilde */ | | 124 | { "atilde", 227 }, /* small a, tilde */ |
125 | { "auml", 228 }, /* small a, dieresis or umlaut mark */ | | 125 | { "auml", 228 }, /* small a, dieresis or umlaut mark */ |
126 | { "brvbar", 166 }, /* broken (vertical) bar */ | | 126 | { "brvbar", 166 }, /* broken (vertical) bar */ |
127 | { "ccedil", 231 }, /* small c, cedilla */ | | 127 | { "ccedil", 231 }, /* small c, cedilla */ |
128 | { "cedil", 184 }, /* cedilla */ | | 128 | { "cedil", 184 }, /* cedilla */ |
129 | { "cent", 162 }, /* cent sign */ | | 129 | { "cent", 162 }, /* cent sign */ |
130 | { "copy", 169 }, /* copyright sign */ | | 130 | { "copy", 169 }, /* copyright sign */ |
131 | { "curren", 164 }, /* general currency sign */ | | 131 | { "curren", 164 }, /* general currency sign */ |
132 | { "deg", 176 }, /* degree sign */ | | 132 | { "deg", 176 }, /* degree sign */ |
133 | { "divide", 247 }, /* divide sign */ | | 133 | { "divide", 247 }, /* divide sign */ |
134 | { "eacute", 233 }, /* small e, acute accent */ | | 134 | { "eacute", 233 }, /* small e, acute accent */ |
135 | { "ecirc", 234 }, /* small e, circumflex accent */ | | 135 | { "ecirc", 234 }, /* small e, circumflex accent */ |
136 | { "egrave", 232 }, /* small e, grave accent */ | | 136 | { "egrave", 232 }, /* small e, grave accent */ |
137 | { "eth", 240 }, /* small eth, Icelandic */ | | 137 | { "eth", 240 }, /* small eth, Icelandic */ |
138 | { "euml", 235 }, /* small e, dieresis or umlaut mark */ | | 138 | { "euml", 235 }, /* small e, dieresis or umlaut mark */ |
139 | { "frac12", 189 }, /* fraction one-half */ | | 139 | { "frac12", 189 }, /* fraction one-half */ |
140 | { "frac14", 188 }, /* fraction one-quarter */ | | 140 | { "frac14", 188 }, /* fraction one-quarter */ |
141 | { "frac34", 190 }, /* fraction three-quarters */ | | 141 | { "frac34", 190 }, /* fraction three-quarters */ |
142 | { "gt", 62 }, /* greater than */ | | 142 | { "gt", 62 }, /* greater than */ |
143 | { "iacute", 237 }, /* small i, acute accent */ | | 143 | { "iacute", 237 }, /* small i, acute accent */ |
144 | { "icirc", 238 }, /* small i, circumflex accent */ | | 144 | { "icirc", 238 }, /* small i, circumflex accent */ |
145 | { "iexcl", 161 }, /* inverted exclamation mark */ | | 145 | { "iexcl", 161 }, /* inverted exclamation mark */ |
146 | { "igrave", 236 }, /* small i, grave accent */ | | 146 | { "igrave", 236 }, /* small i, grave accent */ |
147 | { "iquest", 191 }, /* inverted question mark */ | | 147 | { "iquest", 191 }, /* inverted question mark */ |
148 | { "iuml", 239 }, /* small i, dieresis or umlaut mark */ | | 148 | { "iuml", 239 }, /* small i, dieresis or umlaut mark */ |
149 | { "laquo", 171 }, /* angle quotation mark, left */ | | 149 | { "laquo", 171 }, /* angle quotation mark, left */ |
150 | { "lt", 60 }, /* less than */ | | 150 | { "lt", 60 }, /* less than */ |
151 | { "macr", 175 }, /* macron */ | | 151 | { "macr", 175 }, /* macron */ |
152 | { "micro", 181 }, /* micro sign */ | | 152 | { "micro", 181 }, /* micro sign */ |
153 | { "middot", 183 }, /* middle dot */ | | 153 | { "middot", 183 }, /* middle dot */ |
154 | { "nbsp", 160 }, /* no-break space */ | | 154 | { "nbsp", 160 }, /* no-break space */ |
155 | { "not", 172 }, /* not sign */ | | 155 | { "not", 172 }, /* not sign */ |
156 | { "ntilde", 241 }, /* small n, tilde */ | | 156 | { "ntilde", 241 }, /* small n, tilde */ |
157 | { "oacute", 243 }, /* small o, acute accent */ | | 157 | { "oacute", 243 }, /* small o, acute accent */ |
158 | { "ocirc", 244 }, /* small o, circumflex accent */ | | 158 | { "ocirc", 244 }, /* small o, circumflex accent */ |
159 | { "ograve", 242 }, /* small o, grave accent */ | | 159 | { "ograve", 242 }, /* small o, grave accent */ |
160 | { "ordf", 170 }, /* ordinal indicator, feminine */ | | 160 | { "ordf", 170 }, /* ordinal indicator, feminine */ |
161 | { "ordm", 186 }, /* ordinal indicator, masculine */ | | 161 | { "ordm", 186 }, /* ordinal indicator, masculine */ |
162 | { "oslash", 248 }, /* small o, slash */ | | 162 | { "oslash", 248 }, /* small o, slash */ |
163 | { "otilde", 245 }, /* small o, tilde */ | | 163 | { "otilde", 245 }, /* small o, tilde */ |
164 | { "ouml", 246 }, /* small o, dieresis or umlaut mark */ | | 164 | { "ouml", 246 }, /* small o, dieresis or umlaut mark */ |
165 | { "para", 182 }, /* pilcrow (paragraph sign) */ | | 165 | { "para", 182 }, /* pilcrow (paragraph sign) */ |
166 | { "plusmn", 177 }, /* plus-or-minus sign */ | | 166 | { "plusmn", 177 }, /* plus-or-minus sign */ |
167 | { "pound", 163 }, /* pound sterling sign */ | | 167 | { "pound", 163 }, /* pound sterling sign */ |
168 | { "quot", 34 }, /* double quote */ | | 168 | { "quot", 34 }, /* double quote */ |
169 | { "raquo", 187 }, /* angle quotation mark, right */ | | 169 | { "raquo", 187 }, /* angle quotation mark, right */ |
170 | { "reg", 174 }, /* registered sign */ | | 170 | { "reg", 174 }, /* registered sign */ |
171 | { "sect", 167 }, /* section sign */ | | 171 | { "sect", 167 }, /* section sign */ |
172 | { "shy", 173 }, /* soft hyphen */ | | 172 | { "shy", 173 }, /* soft hyphen */ |
173 | { "sup1", 185 }, /* superscript one */ | | 173 | { "sup1", 185 }, /* superscript one */ |
174 | { "sup2", 178 }, /* superscript two */ | | 174 | { "sup2", 178 }, /* superscript two */ |
175 | { "sup3", 179 }, /* superscript three */ | | 175 | { "sup3", 179 }, /* superscript three */ |
176 | { "szlig", 223 }, /* small sharp s, German (sz ligature) */ | | 176 | { "szlig", 223 }, /* small sharp s, German (sz ligature) */ |
177 | { "thorn", 254 }, /* small thorn, Icelandic */ | | 177 | { "thorn", 254 }, /* small thorn, Icelandic */ |
178 | { "times", 215 }, /* multiply sign */ | | 178 | { "times", 215 }, /* multiply sign */ |
179 | { "uacute", 250 }, /* small u, acute accent */ | | 179 | { "uacute", 250 }, /* small u, acute accent */ |
180 | { "ucirc", 251 }, /* small u, circumflex accent */ | | 180 | { "ucirc", 251 }, /* small u, circumflex accent */ |
181 | { "ugrave", 249 }, /* small u, grave accent */ | | 181 | { "ugrave", 249 }, /* small u, grave accent */ |
182 | { "uml", 168 }, /* umlaut (dieresis) */ | | 182 | { "uml", 168 }, /* umlaut (dieresis) */ |
183 | { "uuml", 252 }, /* small u, dieresis or umlaut mark */ | | 183 | { "uuml", 252 }, /* small u, dieresis or umlaut mark */ |
184 | { "yacute", 253 }, /* small y, acute accent */ | | 184 | { "yacute", 253 }, /* small y, acute accent */ |
185 | { "yen", 165 }, /* yen sign */ | | 185 | { "yen", 165 }, /* yen sign */ |
186 | { "yuml", 255 }, /* small y, dieresis or umlaut mark */ | | 186 | { "yuml", 255 }, /* small y, dieresis or umlaut mark */ |
187 | }; | | 187 | }; |
188 | | | 188 | |
189 | /* | | 189 | /* |
190 | * unvis - decode characters previously encoded by vis | | 190 | * unvis - decode characters previously encoded by vis |
191 | */ | | 191 | */ |
192 | int | | 192 | int |
193 | unvis(char *cp, int c, int *astate, int flag) | | 193 | unvis(char *cp, int c, int *astate, int flag) |
194 | { | | 194 | { |
195 | unsigned char uc = (unsigned char)c; | | 195 | unsigned char uc = (unsigned char)c; |
196 | unsigned char st, ia, is, lc; | | 196 | unsigned char st, ia, is, lc; |
197 | | | 197 | |
198 | /* | | 198 | /* |
199 | * Bottom 8 bits of astate hold the state machine state. | | 199 | * Bottom 8 bits of astate hold the state machine state. |
200 | * Top 8 bits hold the current character in the http 1866 nv string decoding | | 200 | * Top 8 bits hold the current character in the http 1866 nv string decoding |
201 | */ | | 201 | */ |
202 | #define GS(a) ((a) & 0xff) | | 202 | #define GS(a) ((a) & 0xff) |
203 | #define SS(a, b) (((uint32_t)(a) << 24) | (b)) | | 203 | #define SS(a, b) (((uint32_t)(a) << 24) | (b)) |
204 | #define GI(a) ((uint32_t)(a) >> 24) | | 204 | #define GI(a) ((uint32_t)(a) >> 24) |
205 | | | 205 | |
206 | _DIAGASSERT(cp != NULL); | | 206 | _DIAGASSERT(cp != NULL); |
207 | _DIAGASSERT(astate != NULL); | | 207 | _DIAGASSERT(astate != NULL); |
208 | st = GS(*astate); | | 208 | st = GS(*astate); |
209 | | | 209 | |
210 | if (flag & UNVIS_END) { | | 210 | if (flag & UNVIS_END) { |
211 | switch (st) { | | 211 | switch (st) { |
212 | case S_OCTAL2: | | 212 | case S_OCTAL2: |
213 | case S_OCTAL3: | | 213 | case S_OCTAL3: |
214 | case S_HEX2: | | 214 | case S_HEX2: |
215 | *astate = SS(0, S_GROUND); | | 215 | *astate = SS(0, S_GROUND); |
216 | return UNVIS_VALID; | | 216 | return UNVIS_VALID; |
217 | case S_GROUND: | | 217 | case S_GROUND: |
218 | return UNVIS_NOCHAR; | | 218 | return UNVIS_NOCHAR; |
219 | default: | | 219 | default: |
220 | return UNVIS_SYNBAD; | | 220 | return UNVIS_SYNBAD; |
221 | } | | 221 | } |
222 | } | | 222 | } |
223 | | | 223 | |
224 | switch (st) { | | 224 | switch (st) { |
225 | | | 225 | |
226 | case S_GROUND: | | 226 | case S_GROUND: |
227 | *cp = 0; | | 227 | *cp = 0; |
228 | if ((flag & VIS_NOESCAPE) == 0 && c == '\\') { | | 228 | if ((flag & VIS_NOESCAPE) == 0 && c == '\\') { |
229 | *astate = SS(0, S_START); | | 229 | *astate = SS(0, S_START); |
230 | return UNVIS_NOCHAR; | | 230 | return UNVIS_NOCHAR; |
231 | } | | 231 | } |
232 | if ((flag & VIS_HTTP1808) && c == '%') { | | 232 | if ((flag & VIS_HTTP1808) && c == '%') { |
233 | *astate = SS(0, S_HEX1); | | 233 | *astate = SS(0, S_HEX1); |
234 | return UNVIS_NOCHAR; | | 234 | return UNVIS_NOCHAR; |
235 | } | | 235 | } |
236 | if ((flag & VIS_HTTP1866) && c == '&') { | | 236 | if ((flag & VIS_HTTP1866) && c == '&') { |
237 | *astate = SS(0, S_AMP); | | 237 | *astate = SS(0, S_AMP); |
238 | return UNVIS_NOCHAR; | | 238 | return UNVIS_NOCHAR; |
239 | } | | 239 | } |
240 | if ((flag & VIS_MIMESTYLE) && c == '=') { | | 240 | if ((flag & VIS_MIMESTYLE) && c == '=') { |
241 | *astate = SS(0, S_MIME1); | | 241 | *astate = SS(0, S_MIME1); |
242 | return UNVIS_NOCHAR; | | 242 | return UNVIS_NOCHAR; |
243 | } | | 243 | } |
244 | *cp = c; | | 244 | *cp = c; |
245 | return UNVIS_VALID; | | 245 | return UNVIS_VALID; |
246 | | | 246 | |
247 | case S_START: | | 247 | case S_START: |
248 | switch(c) { | | 248 | switch(c) { |
249 | case '\\': | | 249 | case '\\': |
250 | *cp = c; | | 250 | *cp = c; |
251 | *astate = SS(0, S_GROUND); | | 251 | *astate = SS(0, S_GROUND); |
252 | return UNVIS_VALID; | | 252 | return UNVIS_VALID; |
253 | case '0': case '1': case '2': case '3': | | 253 | case '0': case '1': case '2': case '3': |
254 | case '4': case '5': case '6': case '7': | | 254 | case '4': case '5': case '6': case '7': |
255 | *cp = (c - '0'); | | 255 | *cp = (c - '0'); |
256 | *astate = SS(0, S_OCTAL2); | | 256 | *astate = SS(0, S_OCTAL2); |
257 | return UNVIS_NOCHAR; | | 257 | return UNVIS_NOCHAR; |
258 | case 'M': | | 258 | case 'M': |
259 | *cp = (char)0200; | | 259 | *cp = (char)0200; |
260 | *astate = SS(0, S_META); | | 260 | *astate = SS(0, S_META); |
261 | return UNVIS_NOCHAR; | | 261 | return UNVIS_NOCHAR; |
262 | case '^': | | 262 | case '^': |
263 | *astate = SS(0, S_CTRL); | | 263 | *astate = SS(0, S_CTRL); |
264 | return UNVIS_NOCHAR; | | 264 | return UNVIS_NOCHAR; |
265 | case 'n': | | 265 | case 'n': |
266 | *cp = '\n'; | | 266 | *cp = '\n'; |
267 | *astate = SS(0, S_GROUND); | | 267 | *astate = SS(0, S_GROUND); |
268 | return UNVIS_VALID; | | 268 | return UNVIS_VALID; |
269 | case 'r': | | 269 | case 'r': |
270 | *cp = '\r'; | | 270 | *cp = '\r'; |
271 | *astate = SS(0, S_GROUND); | | 271 | *astate = SS(0, S_GROUND); |
272 | return UNVIS_VALID; | | 272 | return UNVIS_VALID; |
273 | case 'b': | | 273 | case 'b': |
274 | *cp = '\b'; | | 274 | *cp = '\b'; |
275 | *astate = SS(0, S_GROUND); | | 275 | *astate = SS(0, S_GROUND); |
276 | return UNVIS_VALID; | | 276 | return UNVIS_VALID; |
277 | case 'a': | | 277 | case 'a': |
278 | *cp = '\007'; | | 278 | *cp = '\007'; |
279 | *astate = SS(0, S_GROUND); | | 279 | *astate = SS(0, S_GROUND); |
280 | return UNVIS_VALID; | | 280 | return UNVIS_VALID; |
281 | case 'v': | | 281 | case 'v': |
282 | *cp = '\v'; | | 282 | *cp = '\v'; |
283 | *astate = SS(0, S_GROUND); | | 283 | *astate = SS(0, S_GROUND); |
284 | return UNVIS_VALID; | | 284 | return UNVIS_VALID; |
285 | case 't': | | 285 | case 't': |
286 | *cp = '\t'; | | 286 | *cp = '\t'; |
287 | *astate = SS(0, S_GROUND); | | 287 | *astate = SS(0, S_GROUND); |
288 | return UNVIS_VALID; | | 288 | return UNVIS_VALID; |
289 | case 'f': | | 289 | case 'f': |
290 | *cp = '\f'; | | 290 | *cp = '\f'; |
291 | *astate = SS(0, S_GROUND); | | 291 | *astate = SS(0, S_GROUND); |
292 | return UNVIS_VALID; | | 292 | return UNVIS_VALID; |
293 | case 's': | | 293 | case 's': |
294 | *cp = ' '; | | 294 | *cp = ' '; |
295 | *astate = SS(0, S_GROUND); | | 295 | *astate = SS(0, S_GROUND); |
296 | return UNVIS_VALID; | | 296 | return UNVIS_VALID; |
297 | case 'E': | | 297 | case 'E': |
298 | *cp = '\033'; | | 298 | *cp = '\033'; |
299 | *astate = SS(0, S_GROUND); | | 299 | *astate = SS(0, S_GROUND); |
300 | return UNVIS_VALID; | | 300 | return UNVIS_VALID; |
301 | case 'x': | | 301 | case 'x': |
302 | *astate = SS(0, S_HEX); | | 302 | *astate = SS(0, S_HEX); |
303 | return UNVIS_NOCHAR; | | 303 | return UNVIS_NOCHAR; |
304 | case '\n': | | 304 | case '\n': |
305 | /* | | 305 | /* |
306 | * hidden newline | | 306 | * hidden newline |
307 | */ | | 307 | */ |
308 | *astate = SS(0, S_GROUND); | | 308 | *astate = SS(0, S_GROUND); |
309 | return UNVIS_NOCHAR; | | 309 | return UNVIS_NOCHAR; |
310 | case '$': | | 310 | case '$': |
311 | /* | | 311 | /* |
312 | * hidden marker | | 312 | * hidden marker |
313 | */ | | 313 | */ |
314 | *astate = SS(0, S_GROUND); | | 314 | *astate = SS(0, S_GROUND); |
315 | return UNVIS_NOCHAR; | | 315 | return UNVIS_NOCHAR; |
| | | 316 | default: |
| | | 317 | if (isgraph(c)) { |
| | | 318 | *cp = c; |
| | | 319 | *astate = SS(0, S_GROUND); |
| | | 320 | return UNVIS_VALID; |
| | | 321 | } |
316 | } | | 322 | } |
317 | goto bad; | | 323 | goto bad; |
318 | | | 324 | |
319 | case S_META: | | 325 | case S_META: |
320 | if (c == '-') | | 326 | if (c == '-') |
321 | *astate = SS(0, S_META1); | | 327 | *astate = SS(0, S_META1); |
322 | else if (c == '^') | | 328 | else if (c == '^') |
323 | *astate = SS(0, S_CTRL); | | 329 | *astate = SS(0, S_CTRL); |
324 | else | | 330 | else |
325 | goto bad; | | 331 | goto bad; |
326 | return UNVIS_NOCHAR; | | 332 | return UNVIS_NOCHAR; |
327 | | | 333 | |
328 | case S_META1: | | 334 | case S_META1: |
329 | *astate = SS(0, S_GROUND); | | 335 | *astate = SS(0, S_GROUND); |
330 | *cp |= c; | | 336 | *cp |= c; |
331 | return UNVIS_VALID; | | 337 | return UNVIS_VALID; |
332 | | | 338 | |
333 | case S_CTRL: | | 339 | case S_CTRL: |
334 | if (c == '?') | | 340 | if (c == '?') |
335 | *cp |= 0177; | | 341 | *cp |= 0177; |
336 | else | | 342 | else |
337 | *cp |= c & 037; | | 343 | *cp |= c & 037; |
338 | *astate = SS(0, S_GROUND); | | 344 | *astate = SS(0, S_GROUND); |
339 | return UNVIS_VALID; | | 345 | return UNVIS_VALID; |
340 | | | 346 | |
341 | case S_OCTAL2: /* second possible octal digit */ | | 347 | case S_OCTAL2: /* second possible octal digit */ |
342 | if (isoctal(uc)) { | | 348 | if (isoctal(uc)) { |
343 | /* | | 349 | /* |
344 | * yes - and maybe a third | | 350 | * yes - and maybe a third |
345 | */ | | 351 | */ |
346 | *cp = (*cp << 3) + (c - '0'); | | 352 | *cp = (*cp << 3) + (c - '0'); |
347 | *astate = SS(0, S_OCTAL3); | | 353 | *astate = SS(0, S_OCTAL3); |
348 | return UNVIS_NOCHAR; | | 354 | return UNVIS_NOCHAR; |
349 | } | | 355 | } |
350 | /* | | 356 | /* |
351 | * no - done with current sequence, push back passed char | | 357 | * no - done with current sequence, push back passed char |
352 | */ | | 358 | */ |
353 | *astate = SS(0, S_GROUND); | | 359 | *astate = SS(0, S_GROUND); |
354 | return UNVIS_VALIDPUSH; | | 360 | return UNVIS_VALIDPUSH; |
355 | | | 361 | |
356 | case S_OCTAL3: /* third possible octal digit */ | | 362 | case S_OCTAL3: /* third possible octal digit */ |
357 | *astate = SS(0, S_GROUND); | | 363 | *astate = SS(0, S_GROUND); |
358 | if (isoctal(uc)) { | | 364 | if (isoctal(uc)) { |
359 | *cp = (*cp << 3) + (c - '0'); | | 365 | *cp = (*cp << 3) + (c - '0'); |
360 | return UNVIS_VALID; | | 366 | return UNVIS_VALID; |
361 | } | | 367 | } |
362 | /* | | 368 | /* |
363 | * we were done, push back passed char | | 369 | * we were done, push back passed char |
364 | */ | | 370 | */ |
365 | return UNVIS_VALIDPUSH; | | 371 | return UNVIS_VALIDPUSH; |
366 | | | 372 | |
367 | case S_HEX: | | 373 | case S_HEX: |
368 | if (!isxdigit(uc)) | | 374 | if (!isxdigit(uc)) |
369 | goto bad; | | 375 | goto bad; |
370 | /*FALLTHROUGH*/ | | 376 | /*FALLTHROUGH*/ |
371 | case S_HEX1: | | 377 | case S_HEX1: |
372 | if (isxdigit(uc)) { | | 378 | if (isxdigit(uc)) { |
373 | *cp = xtod(uc); | | 379 | *cp = xtod(uc); |
374 | *astate = SS(0, S_HEX2); | | 380 | *astate = SS(0, S_HEX2); |
375 | return UNVIS_NOCHAR; | | 381 | return UNVIS_NOCHAR; |
376 | } | | 382 | } |
377 | /* | | 383 | /* |
378 | * no - done with current sequence, push back passed char | | 384 | * no - done with current sequence, push back passed char |
379 | */ | | 385 | */ |
380 | *astate = SS(0, S_GROUND); | | 386 | *astate = SS(0, S_GROUND); |
381 | return UNVIS_VALIDPUSH; | | 387 | return UNVIS_VALIDPUSH; |
382 | | | 388 | |
383 | case S_HEX2: | | 389 | case S_HEX2: |
384 | *astate = S_GROUND; | | 390 | *astate = S_GROUND; |
385 | if (isxdigit(uc)) { | | 391 | if (isxdigit(uc)) { |
386 | *cp = xtod(uc) | (*cp << 4); | | 392 | *cp = xtod(uc) | (*cp << 4); |
387 | return UNVIS_VALID; | | 393 | return UNVIS_VALID; |
388 | } | | 394 | } |
389 | return UNVIS_VALIDPUSH; | | 395 | return UNVIS_VALIDPUSH; |
390 | | | 396 | |
391 | case S_MIME1: | | 397 | case S_MIME1: |
392 | if (uc == '\n' || uc == '\r') { | | 398 | if (uc == '\n' || uc == '\r') { |
393 | *astate = SS(0, S_EATCRNL); | | 399 | *astate = SS(0, S_EATCRNL); |
394 | return UNVIS_NOCHAR; | | 400 | return UNVIS_NOCHAR; |
395 | } | | 401 | } |
396 | if (isxdigit(uc) && (isdigit(uc) || isupper(uc))) { | | 402 | if (isxdigit(uc) && (isdigit(uc) || isupper(uc))) { |
397 | *cp = XTOD(uc); | | 403 | *cp = XTOD(uc); |
398 | *astate = SS(0, S_MIME2); | | 404 | *astate = SS(0, S_MIME2); |
399 | return UNVIS_NOCHAR; | | 405 | return UNVIS_NOCHAR; |
400 | } | | 406 | } |
401 | goto bad; | | 407 | goto bad; |
402 | | | 408 | |
403 | case S_MIME2: | | 409 | case S_MIME2: |
404 | if (isxdigit(uc) && (isdigit(uc) || isupper(uc))) { | | 410 | if (isxdigit(uc) && (isdigit(uc) || isupper(uc))) { |
405 | *astate = SS(0, S_GROUND); | | 411 | *astate = SS(0, S_GROUND); |
406 | *cp = XTOD(uc) | (*cp << 4); | | 412 | *cp = XTOD(uc) | (*cp << 4); |
407 | return UNVIS_VALID; | | 413 | return UNVIS_VALID; |
408 | } | | 414 | } |
409 | goto bad; | | 415 | goto bad; |
410 | | | 416 | |
411 | case S_EATCRNL: | | 417 | case S_EATCRNL: |
412 | switch (uc) { | | 418 | switch (uc) { |
413 | case '\r': | | 419 | case '\r': |
414 | case '\n': | | 420 | case '\n': |
415 | return UNVIS_NOCHAR; | | 421 | return UNVIS_NOCHAR; |
416 | case '=': | | 422 | case '=': |
417 | *astate = SS(0, S_MIME1); | | 423 | *astate = SS(0, S_MIME1); |
418 | return UNVIS_NOCHAR; | | 424 | return UNVIS_NOCHAR; |
419 | default: | | 425 | default: |
420 | *cp = uc; | | 426 | *cp = uc; |
421 | *astate = SS(0, S_GROUND); | | 427 | *astate = SS(0, S_GROUND); |
422 | return UNVIS_VALID; | | 428 | return UNVIS_VALID; |
423 | } | | 429 | } |
424 | | | 430 | |
425 | case S_AMP: | | 431 | case S_AMP: |
426 | *cp = 0; | | 432 | *cp = 0; |
427 | if (uc == '#') { | | 433 | if (uc == '#') { |
428 | *astate = SS(0, S_NUMBER); | | 434 | *astate = SS(0, S_NUMBER); |
429 | return UNVIS_NOCHAR; | | 435 | return UNVIS_NOCHAR; |
430 | } | | 436 | } |
431 | *astate = SS(0, S_STRING); | | 437 | *astate = SS(0, S_STRING); |
432 | /*FALLTHROUGH*/ | | 438 | /*FALLTHROUGH*/ |
433 | | | 439 | |
434 | case S_STRING: | | 440 | case S_STRING: |
435 | ia = *cp; /* index in the array */ | | 441 | ia = *cp; /* index in the array */ |
436 | is = GI(*astate); /* index in the string */ | | 442 | is = GI(*astate); /* index in the string */ |
437 | lc = is == 0 ? 0 : nv[ia].name[is - 1]; /* last character */ | | 443 | lc = is == 0 ? 0 : nv[ia].name[is - 1]; /* last character */ |
438 | | | 444 | |
439 | if (uc == ';') | | 445 | if (uc == ';') |
440 | uc = '\0'; | | 446 | uc = '\0'; |
441 | | | 447 | |
442 | for (; ia < __arraycount(nv); ia++) { | | 448 | for (; ia < __arraycount(nv); ia++) { |
443 | if (is != 0 && nv[ia].name[is - 1] != lc) | | 449 | if (is != 0 && nv[ia].name[is - 1] != lc) |
444 | goto bad; | | 450 | goto bad; |
445 | if (nv[ia].name[is] == uc) | | 451 | if (nv[ia].name[is] == uc) |
446 | break; | | 452 | break; |
447 | } | | 453 | } |
448 | | | 454 | |
449 | if (ia == __arraycount(nv)) | | 455 | if (ia == __arraycount(nv)) |
450 | goto bad; | | 456 | goto bad; |
451 | | | 457 | |
452 | if (uc != 0) { | | 458 | if (uc != 0) { |
453 | *cp = ia; | | 459 | *cp = ia; |
454 | *astate = SS(is + 1, S_STRING); | | 460 | *astate = SS(is + 1, S_STRING); |
455 | return UNVIS_NOCHAR; | | 461 | return UNVIS_NOCHAR; |
456 | } | | 462 | } |
457 | | | 463 | |
458 | *cp = nv[ia].value; | | 464 | *cp = nv[ia].value; |
459 | *astate = SS(0, S_GROUND); | | 465 | *astate = SS(0, S_GROUND); |
460 | return UNVIS_VALID; | | 466 | return UNVIS_VALID; |
461 | | | 467 | |
462 | case S_NUMBER: | | 468 | case S_NUMBER: |
463 | if (uc == ';') | | 469 | if (uc == ';') |
464 | return UNVIS_VALID; | | 470 | return UNVIS_VALID; |
465 | if (!isdigit(uc)) | | 471 | if (!isdigit(uc)) |
466 | goto bad; | | 472 | goto bad; |
467 | *cp += (*cp * 10) + uc - '0'; | | 473 | *cp += (*cp * 10) + uc - '0'; |
468 | return UNVIS_NOCHAR; | | 474 | return UNVIS_NOCHAR; |
469 | | | 475 | |
470 | default: | | 476 | default: |
471 | bad: | | 477 | bad: |
472 | /* | | 478 | /* |
473 | * decoder in unknown state - (probably uninitialized) | | 479 | * decoder in unknown state - (probably uninitialized) |
474 | */ | | 480 | */ |
475 | *astate = SS(0, S_GROUND); | | 481 | *astate = SS(0, S_GROUND); |
476 | return UNVIS_SYNBAD; | | 482 | return UNVIS_SYNBAD; |
477 | } | | 483 | } |
478 | } | | 484 | } |
479 | | | 485 | |
480 | /* | | 486 | /* |
481 | * strnunvisx - decode src into dst | | 487 | * strnunvisx - decode src into dst |
482 | * | | 488 | * |
483 | * Number of chars decoded into dst is returned, -1 on error. | | 489 | * Number of chars decoded into dst is returned, -1 on error. |
484 | * Dst is null terminated. | | 490 | * Dst is null terminated. |
485 | */ | | 491 | */ |
486 | | | 492 | |
487 | int | | 493 | int |
488 | strnunvisx(char *dst, size_t dlen, const char *src, int flag) | | 494 | strnunvisx(char *dst, size_t dlen, const char *src, int flag) |
489 | { | | 495 | { |
490 | char c; | | 496 | char c; |
491 | char t = '\0', *start = dst; | | 497 | char t = '\0', *start = dst; |
492 | int state = 0; | | 498 | int state = 0; |
493 | | | 499 | |
494 | _DIAGASSERT(src != NULL); | | 500 | _DIAGASSERT(src != NULL); |
495 | _DIAGASSERT(dst != NULL); | | 501 | _DIAGASSERT(dst != NULL); |
496 | #define CHECKSPACE() \ | | 502 | #define CHECKSPACE() \ |
497 | do { \ | | 503 | do { \ |
498 | if (dlen-- == 0) { \ | | 504 | if (dlen-- == 0) { \ |
499 | errno = ENOSPC; \ | | 505 | errno = ENOSPC; \ |
500 | return -1; \ | | 506 | return -1; \ |
501 | } \ | | 507 | } \ |
502 | } while (/*CONSTCOND*/0) | | 508 | } while (/*CONSTCOND*/0) |
503 | | | 509 | |
504 | while ((c = *src++) != '\0') { | | 510 | while ((c = *src++) != '\0') { |
505 | again: | | 511 | again: |
506 | switch (unvis(&t, c, &state, flag)) { | | 512 | switch (unvis(&t, c, &state, flag)) { |
507 | case UNVIS_VALID: | | 513 | case UNVIS_VALID: |
508 | CHECKSPACE(); | | 514 | CHECKSPACE(); |
509 | *dst++ = t; | | 515 | *dst++ = t; |
510 | break; | | 516 | break; |
511 | case UNVIS_VALIDPUSH: | | 517 | case UNVIS_VALIDPUSH: |
512 | CHECKSPACE(); | | 518 | CHECKSPACE(); |
513 | *dst++ = t; | | 519 | *dst++ = t; |
514 | goto again; | | 520 | goto again; |
515 | case 0: | | 521 | case 0: |
516 | case UNVIS_NOCHAR: | | 522 | case UNVIS_NOCHAR: |
517 | break; | | 523 | break; |
518 | case UNVIS_SYNBAD: | | 524 | case UNVIS_SYNBAD: |
519 | errno = EINVAL; | | 525 | errno = EINVAL; |
520 | return -1; | | 526 | return -1; |
521 | default: | | 527 | default: |
522 | _DIAGASSERT(/*CONSTCOND*/0); | | 528 | _DIAGASSERT(/*CONSTCOND*/0); |
523 | errno = EINVAL; | | 529 | errno = EINVAL; |
524 | return -1; | | 530 | return -1; |
525 | } | | 531 | } |
526 | } | | 532 | } |
527 | if (unvis(&t, c, &state, UNVIS_END) == UNVIS_VALID) { | | 533 | if (unvis(&t, c, &state, UNVIS_END) == UNVIS_VALID) { |
528 | CHECKSPACE(); | | 534 | CHECKSPACE(); |
529 | *dst++ = t; | | 535 | *dst++ = t; |
530 | } | | 536 | } |
531 | CHECKSPACE(); | | 537 | CHECKSPACE(); |
532 | *dst = '\0'; | | 538 | *dst = '\0'; |
533 | return (int)(dst - start); | | 539 | return (int)(dst - start); |
534 | } | | 540 | } |
535 | | | 541 | |
536 | int | | 542 | int |
537 | strunvisx(char *dst, const char *src, int flag) | | 543 | strunvisx(char *dst, const char *src, int flag) |
538 | { | | 544 | { |
539 | return strnunvisx(dst, (size_t)~0, src, flag); | | 545 | return strnunvisx(dst, (size_t)~0, src, flag); |
540 | } | | 546 | } |
541 | | | 547 | |
542 | int | | 548 | int |
543 | strunvis(char *dst, const char *src) | | 549 | strunvis(char *dst, const char *src) |
544 | { | | 550 | { |
545 | return strnunvisx(dst, (size_t)~0, src, 0); | | 551 | return strnunvisx(dst, (size_t)~0, src, 0); |
546 | } | | 552 | } |
547 | | | 553 | |
548 | int | | 554 | int |
549 | strnunvis(char *dst, size_t dlen, const char *src) | | 555 | strnunvis(char *dst, size_t dlen, const char *src) |
550 | { | | 556 | { |
551 | return strnunvisx(dst, dlen, src, 0); | | 557 | return strnunvisx(dst, dlen, src, 0); |
552 | } | | 558 | } |
553 | #endif | | 559 | #endif |