annotate files.c @ 60:bf39ba646885

joerg's t19.good was wrong.
author David A. Holland
date Sun, 31 Mar 2013 01:19:44 -0400
parents 2e25e55dba6b
children 980ed7cb620a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
30
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
1 /*-
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
2 * Copyright (c) 2010 The NetBSD Foundation, Inc.
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
3 * All rights reserved.
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
4 *
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
5 * This code is derived from software contributed to The NetBSD Foundation
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
6 * by David A. Holland.
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
7 *
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
8 * Redistribution and use in source and binary forms, with or without
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
9 * modification, are permitted provided that the following conditions
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
10 * are met:
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
11 * 1. Redistributions of source code must retain the above copyright
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
12 * notice, this list of conditions and the following disclaimer.
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
13 * 2. Redistributions in binary form must reproduce the above copyright
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
14 * notice, this list of conditions and the following disclaimer in the
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
15 * documentation and/or other materials provided with the distribution.
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
16 *
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
27 * POSSIBILITY OF SUCH DAMAGE.
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
28 */
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
29
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
30 #include <stdbool.h>
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
31 #include <stdio.h>
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
32 #include <stdlib.h>
13
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
33 #include <string.h>
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
34 #include <unistd.h>
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
35 #include <fcntl.h>
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
36 #include <err.h>
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
37
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
38 #include "array.h"
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
39 #include "mode.h"
8
97243badae69 split place stuff to its own file
David A. Holland
parents: 7
diff changeset
40 #include "place.h"
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
41 #include "files.h"
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
42 #include "directive.h"
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
43
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
44 struct incdir {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
45 const char *name;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
46 bool issystem;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
47 };
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
48
47
2e25e55dba6b Fix inline usage as per the version in dholland-make2.
David A. Holland
parents: 39
diff changeset
49 DECLARRAY(incdir, static __unused);
2e25e55dba6b Fix inline usage as per the version in dholland-make2.
David A. Holland
parents: 39
diff changeset
50 DEFARRAY(incdir, static);
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
51
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
52 static struct incdirarray quotepath, bracketpath;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
53
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
54 ////////////////////////////////////////////////////////////
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
55 // management
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
56
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
57 static
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
58 struct incdir *
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
59 incdir_create(const char *name, bool issystem)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
60 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
61 struct incdir *id;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
62
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
63 id = domalloc(sizeof(*id));
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
64 id->name = name;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
65 id->issystem = issystem;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
66 return id;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
67 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
68
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
69 static
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
70 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
71 incdir_destroy(struct incdir *id)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
72 {
39
337110e7240a Pass the size to free; it makes debug checking easier.
David A. Holland
parents: 38
diff changeset
73 dofree(id, sizeof(*id));
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
74 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
75
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
76 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
77 files_init(void)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
78 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
79 incdirarray_init(&quotepath);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
80 incdirarray_init(&bracketpath);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
81 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
82
9
1fbcbd58742e move destroyall to array.h
David A. Holland
parents: 8
diff changeset
83 DESTROYALL_ARRAY(incdir, );
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
84
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
85 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
86 files_cleanup(void)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
87 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
88 incdirarray_destroyall(&quotepath);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
89 incdirarray_cleanup(&quotepath);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
90 incdirarray_destroyall(&bracketpath);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
91 incdirarray_cleanup(&bracketpath);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
92 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
93
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
94 ////////////////////////////////////////////////////////////
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
95 // path setup
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
96
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
97 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
98 files_addquotepath(const char *dir, bool issystem)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
99 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
100 struct incdir *id;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
101
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
102 id = incdir_create(dir, issystem);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
103 incdirarray_add(&quotepath, id, NULL);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
104 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
105
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
106 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
107 files_addbracketpath(const char *dir, bool issystem)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
108 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
109 struct incdir *id;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
110
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
111 id = incdir_create(dir, issystem);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
112 incdirarray_add(&bracketpath, id, NULL);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
113 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
114
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
115 ////////////////////////////////////////////////////////////
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
116 // parsing
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
117
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
118 static
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
119 size_t
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
120 findnl(const char *buf, size_t start, size_t limit)
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
121 {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
122 size_t i;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
123
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
124 for (i=start; i<limit; i++) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
125 if (buf[i] == '\n') {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
126 return i;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
127 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
128 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
129 return limit;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
130 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
131
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
132 static
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
133 void
28
8a955e3dda2c two more tests, more fixes
David A. Holland
parents: 24
diff changeset
134 file_read(const struct placefile *pf, int fd, const char *name, bool toplevel)
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
135 {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
136 struct place linestartplace, nextlinestartplace, ptmp;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
137 size_t bufend, bufmax, linestart, lineend, nextlinestart, tmp;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
138 ssize_t result;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
139 bool ateof = false;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
140 char *buf;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
141
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
142 place_setfilestart(&linestartplace, pf);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
143 nextlinestartplace = linestartplace;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
144
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
145 bufmax = 128;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
146 bufend = 0;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
147 linestart = 0;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
148 lineend = 0;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
149 buf = domalloc(bufmax);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
150
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
151 while (1) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
152 if (lineend >= bufend) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
153 /* do not have a whole line in the buffer; read more */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
154 if (linestart > 0 && bufend > linestart) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
155 /* slide to beginning of buffer */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
156 memmove(buf, buf+linestart, bufend-linestart);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
157 bufend -= linestart;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
158 lineend -= linestart;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
159 linestart = 0;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
160 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
161 if (bufend >= bufmax) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
162 /* need bigger buffer */
39
337110e7240a Pass the size to free; it makes debug checking easier.
David A. Holland
parents: 38
diff changeset
163 buf = dorealloc(buf, bufmax, bufmax*2);
337110e7240a Pass the size to free; it makes debug checking easier.
David A. Holland
parents: 38
diff changeset
164 bufmax = bufmax*2;
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
165 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
166
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
167 if (ateof) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
168 /* don't read again, in case it's a socket */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
169 result = 0;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
170 } else {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
171 result = read(fd, buf+bufend, bufmax - bufend);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
172 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
173
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
174 if (result == -1) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
175 /* read error */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
176 warn("%s", name);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
177 complain_fail();
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
178 } else if (result == 0 && bufend == linestart) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
179 /* eof */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
180 ateof = true;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
181 break;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
182 } else if (result == 0) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
183 /* eof in middle of line */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
184 ateof = true;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
185 ptmp = linestartplace;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
186 ptmp.column += bufend - linestart;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
187 complain(&ptmp, "No newline at end of file");
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
188 if (mode.werror) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
189 complain_fail();
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
190 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
191 assert(bufend < bufmax);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
192 lineend = bufend++;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
193 buf[lineend] = '\n';
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
194 } else {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
195 tmp = bufend;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
196 bufend += (size_t)result;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
197 lineend = findnl(buf, tmp, bufend);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
198 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
199 /* loop in case we still don't have a whole line */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
200 continue;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
201 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
202
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
203 /* have a line */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
204 assert(buf[lineend] == '\n');
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
205 buf[lineend] = '\0';
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
206 nextlinestart = lineend+1;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
207 nextlinestartplace.line++;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
208
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
209 /* check for CR/NL */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
210 if (lineend > 0 && buf[lineend-1] == '\r') {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
211 buf[lineend-1] = '\0';
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
212 lineend--;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
213 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
214
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
215 /* check for continuation line */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
216 if (lineend > 0 && buf[lineend-1]=='\\') {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
217 lineend--;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
218 tmp = nextlinestart - lineend;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
219 if (bufend > nextlinestart) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
220 memmove(buf+lineend, buf+nextlinestart,
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
221 bufend - nextlinestart);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
222 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
223 bufend -= tmp;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
224 nextlinestart -= tmp;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
225 lineend = findnl(buf, lineend, bufend);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
226 /* might not have a whole line, so loop */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
227 continue;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
228 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
229
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
230 /* line now goes from linestart to lineend */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
231 assert(buf[lineend] == '\0');
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
232 if (lineend > linestart) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
233 directive_gotline(&linestartplace,
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
234 buf+linestart, lineend-linestart);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
235 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
236
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
237 linestart = nextlinestart;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
238 lineend = findnl(buf, linestart, bufend);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
239 linestartplace = nextlinestartplace;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
240 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
241
28
8a955e3dda2c two more tests, more fixes
David A. Holland
parents: 24
diff changeset
242 if (toplevel) {
8a955e3dda2c two more tests, more fixes
David A. Holland
parents: 24
diff changeset
243 directive_goteof(&linestartplace);
8a955e3dda2c two more tests, more fixes
David A. Holland
parents: 24
diff changeset
244 }
39
337110e7240a Pass the size to free; it makes debug checking easier.
David A. Holland
parents: 38
diff changeset
245 dofree(buf, bufmax);
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
246 }
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
247
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
248 ////////////////////////////////////////////////////////////
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
249 // path search
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
250
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
251 static
13
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
252 char *
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
253 mkfilename(const char *dir, const char *file)
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
254 {
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
255 size_t dlen, flen, rlen;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
256 char *ret;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
257 bool needslash = false;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
258
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
259 dlen = strlen(dir);
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
260 flen = strlen(file);
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
261 if (dlen > 0 && dir[dlen-1] != '/') {
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
262 needslash = true;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
263 }
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
264
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
265 rlen = dlen + (needslash ? 1 : 0) + flen;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
266 ret = domalloc(rlen + 1);
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
267 strcpy(ret, dir);
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
268 if (needslash) {
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
269 strcat(ret, "/");
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
270 }
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
271 strcat(ret, file);
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
272 return ret;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
273 }
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
274
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
275 static
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
276 int
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
277 file_tryopen(const char *file)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
278 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
279 int fd;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
280
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
281 /* XXX check for non-regular files */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
282
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
283 fd = open(file, O_RDONLY);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
284 if (fd < 0) {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
285 return -1;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
286 }
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
287
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
288 return fd;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
289 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
290
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
291 static
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
292 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
293 file_search(struct place *place, struct incdirarray *path, const char *name)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
294 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
295 unsigned i, num;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
296 struct incdir *id;
13
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
297 const struct placefile *pf;
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
298 char *file;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
299 int fd;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
300
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
301 assert(place != NULL);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
302
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
303 num = incdirarray_num(path);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
304 for (i=0; i<num; i++) {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
305 id = incdirarray_get(path, i);
13
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
306 file = mkfilename(id->name, name);
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
307 fd = file_tryopen(file);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
308 if (fd >= 0) {
13
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
309 pf = place_addfile(place, file, id->issystem);
28
8a955e3dda2c two more tests, more fixes
David A. Holland
parents: 24
diff changeset
310 file_read(pf, fd, file, false);
39
337110e7240a Pass the size to free; it makes debug checking easier.
David A. Holland
parents: 38
diff changeset
311 dostrfree(file);
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
312 close(fd);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
313 return;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
314 }
39
337110e7240a Pass the size to free; it makes debug checking easier.
David A. Holland
parents: 38
diff changeset
315 dostrfree(file);
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
316 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
317 complain(place, "Include file %s not found", name);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
318 complain_fail();
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
319 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
320
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
321 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
322 file_readquote(struct place *place, const char *name)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
323 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
324 file_search(place, &quotepath, name);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
325 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
326
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
327 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
328 file_readbracket(struct place *place, const char *name)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
329 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
330 file_search(place, &bracketpath, name);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
331 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
332
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
333 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
334 file_readabsolute(struct place *place, const char *name)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
335 {
13
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
336 const struct placefile *pf;
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
337 int fd;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
338
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
339 assert(place != NULL);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
340
24
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
341 if (name == NULL) {
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
342 fd = STDIN_FILENO;
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
343 pf = place_addfile(place, "<standard-input>", false);
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
344 } else {
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
345 fd = file_tryopen(name);
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
346 if (fd < 0) {
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
347 warn("%s", name);
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
348 die();
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
349 }
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
350 pf = place_addfile(place, name, false);
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
351 }
24
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
352
28
8a955e3dda2c two more tests, more fixes
David A. Holland
parents: 24
diff changeset
353 file_read(pf, fd, name, true);
24
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
354
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
355 if (name != NULL) {
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
356 close(fd);
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
357 }
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
358 }