annotate files.c @ 106:ecec7c16e3ba

add a couple more tests, taken from the 2010 tech-toolchain thread (one was from der Mouse, the other prompted by something he said)
author David A. Holland
date Tue, 11 Jun 2013 11:35:27 -0400
parents 91f600e6647b
children 33954a07d013
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
30
76c114899f63 copyrights
David A. Holland
parents: 28
diff changeset
1 /*-
99
60184aa42604 add 2013 to copyrights where it seems warranted
David A. Holland
parents: 81
diff changeset
2 * Copyright (c) 2010, 2013 The NetBSD Foundation, Inc.
30
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
75
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
118 /*
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
119 * Find the end of the logical line. End of line characters that are
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
120 * commented out do not count.
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
121 */
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
122 static
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
123 size_t
75
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
124 findeol(const char *buf, size_t start, size_t limit)
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
125 {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
126 size_t i;
75
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
127 int incomment = 0;
81
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
128 bool inquote = false;
75
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
129
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
130 for (i=start; i<limit; i++) {
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
131 if (incomment) {
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
132 if (i+1 < limit && buf[i] == '*' && buf[i+1] == '/') {
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
133 i++;
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
134 incomment = 0;
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
135 }
81
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
136 } else if (!inquote && i+1 < limit &&
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
137 buf[i] == '/' && buf[i+1] == '*') {
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
138 i++;
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
139 incomment = 1;
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
140 } else if (i+1 < limit &&
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
141 buf[i] == '\\' && buf[i+1] == '"') {
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
142 i++;
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
143 } else if (buf[i] == '"') {
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
144 inquote = !inquote;
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
145 } else if (buf[i] == '\n') {
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
146 return i;
75
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
147 }
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
148 }
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
149 return limit;
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
150 }
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
151
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
152 static
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
153 unsigned
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
154 countnls(const char *buf, size_t start, size_t limit)
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
155 {
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
156 size_t i;
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
157 unsigned count = 0;
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
158
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
159 for (i=start; i<limit; i++) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
160 if (buf[i] == '\n') {
75
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
161 count++;
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
162 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
163 }
75
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
164 return count;
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 static
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
168 void
28
8a955e3dda2c two more tests, more fixes
David A. Holland
parents: 24
diff changeset
169 file_read(const struct placefile *pf, int fd, const char *name, bool toplevel)
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
170 {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
171 struct place linestartplace, nextlinestartplace, ptmp;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
172 size_t bufend, bufmax, linestart, lineend, nextlinestart, tmp;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
173 ssize_t result;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
174 bool ateof = false;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
175 char *buf;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
176
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
177 place_setfilestart(&linestartplace, pf);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
178 nextlinestartplace = linestartplace;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
179
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
180 bufmax = 128;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
181 bufend = 0;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
182 linestart = 0;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
183 lineend = 0;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
184 buf = domalloc(bufmax);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
185
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
186 while (1) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
187 if (lineend >= bufend) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
188 /* do not have a whole line in the buffer; read more */
75
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
189 assert(bufend >= linestart);
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
190 if (linestart > 0 && bufend > linestart) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
191 /* slide to beginning of buffer */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
192 memmove(buf, buf+linestart, bufend-linestart);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
193 bufend -= linestart;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
194 lineend -= linestart;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
195 linestart = 0;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
196 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
197 if (bufend >= bufmax) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
198 /* need bigger buffer */
39
337110e7240a Pass the size to free; it makes debug checking easier.
David A. Holland
parents: 38
diff changeset
199 buf = dorealloc(buf, bufmax, bufmax*2);
337110e7240a Pass the size to free; it makes debug checking easier.
David A. Holland
parents: 38
diff changeset
200 bufmax = bufmax*2;
15
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 if (ateof) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
204 /* don't read again, in case it's a socket */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
205 result = 0;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
206 } else {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
207 result = read(fd, buf+bufend, bufmax - bufend);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
208 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
209
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
210 if (result == -1) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
211 /* read error */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
212 warn("%s", name);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
213 complain_fail();
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
214 } else if (result == 0 && bufend == linestart) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
215 /* eof */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
216 ateof = true;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
217 break;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
218 } else if (result == 0) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
219 /* eof in middle of line */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
220 ateof = true;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
221 ptmp = linestartplace;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
222 ptmp.column += bufend - linestart;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
223 complain(&ptmp, "No newline at end of file");
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
224 if (mode.werror) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
225 complain_fail();
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
226 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
227 assert(bufend < bufmax);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
228 lineend = bufend++;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
229 buf[lineend] = '\n';
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
230 } else {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
231 bufend += (size_t)result;
81
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
232 lineend = findeol(buf, linestart, bufend);
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
233 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
234 /* loop in case we still don't have a whole line */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
235 continue;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
236 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
237
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
238 /* have a line */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
239 assert(buf[lineend] == '\n');
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
240 buf[lineend] = '\0';
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
241 nextlinestart = lineend+1;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
242 nextlinestartplace.line++;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
243
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
244 /* check for CR/NL */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
245 if (lineend > 0 && buf[lineend-1] == '\r') {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
246 buf[lineend-1] = '\0';
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
247 lineend--;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
248 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
249
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
250 /* check for continuation line */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
251 if (lineend > 0 && buf[lineend-1]=='\\') {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
252 lineend--;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
253 tmp = nextlinestart - lineend;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
254 if (bufend > nextlinestart) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
255 memmove(buf+lineend, buf+nextlinestart,
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
256 bufend - nextlinestart);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
257 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
258 bufend -= tmp;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
259 nextlinestart -= tmp;
81
27c9aafcaca1 Don't recognize comments within double-quote strings.
David A. Holland
parents: 75
diff changeset
260 lineend = findeol(buf, linestart, bufend);
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
261 /* might not have a whole line, so loop */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
262 continue;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
263 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
264
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
265 /* line now goes from linestart to lineend */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
266 assert(buf[lineend] == '\0');
75
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
267
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
268 /* count how many commented-out newlines we swallowed */
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
269 nextlinestartplace.line += countnls(buf, linestart, lineend);
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
270
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
271 /* if the line isn't empty, process it */
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
272 if (lineend > linestart) {
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
273 directive_gotline(&linestartplace,
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
274 buf+linestart, lineend-linestart);
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
275 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
276
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
277 linestart = nextlinestart;
75
980ed7cb620a More multiline comment fixes.
David A. Holland
parents: 47
diff changeset
278 lineend = findeol(buf, linestart, bufend);
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
279 linestartplace = nextlinestartplace;
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
280 }
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
281
28
8a955e3dda2c two more tests, more fixes
David A. Holland
parents: 24
diff changeset
282 if (toplevel) {
8a955e3dda2c two more tests, more fixes
David A. Holland
parents: 24
diff changeset
283 directive_goteof(&linestartplace);
8a955e3dda2c two more tests, more fixes
David A. Holland
parents: 24
diff changeset
284 }
39
337110e7240a Pass the size to free; it makes debug checking easier.
David A. Holland
parents: 38
diff changeset
285 dofree(buf, bufmax);
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
286 }
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
287
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
288 ////////////////////////////////////////////////////////////
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
289 // path search
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
13
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
292 char *
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
293 mkfilename(const char *dir, const char *file)
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
294 {
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
295 size_t dlen, flen, rlen;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
296 char *ret;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
297 bool needslash = false;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
298
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
299 dlen = strlen(dir);
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
300 flen = strlen(file);
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
301 if (dlen > 0 && dir[dlen-1] != '/') {
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
302 needslash = true;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
303 }
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
304
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
305 rlen = dlen + (needslash ? 1 : 0) + flen;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
306 ret = domalloc(rlen + 1);
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
307 strcpy(ret, dir);
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
308 if (needslash) {
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
309 strcat(ret, "/");
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
310 }
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
311 strcat(ret, file);
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
312 return ret;
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
313 }
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
314
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
315 static
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
316 int
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
317 file_tryopen(const char *file)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
318 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
319 int fd;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
320
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
321 /* XXX check for non-regular files */
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
322
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
323 fd = open(file, O_RDONLY);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
324 if (fd < 0) {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
325 return -1;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
326 }
15
f6177d3ed5c2 handle directives
David A. Holland
parents: 13
diff changeset
327
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
328 return fd;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
329 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
330
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
331 static
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
332 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
333 file_search(struct place *place, struct incdirarray *path, const char *name)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
334 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
335 unsigned i, num;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
336 struct incdir *id;
13
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
337 const struct placefile *pf;
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
338 char *file;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
339 int fd;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
340
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
341 assert(place != NULL);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
342
104
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
343 if (name[0] == '/') {
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
344 fd = file_tryopen(name);
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
345 if (fd >= 0) {
104
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
346 pf = place_addfile(place, name, true);
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
347 file_read(pf, fd, name, false);
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
348 close(fd);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
349 return;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
350 }
104
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
351 } else {
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
352 num = incdirarray_num(path);
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
353 for (i=0; i<num; i++) {
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
354 id = incdirarray_get(path, i);
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
355 file = mkfilename(id->name, name);
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
356 fd = file_tryopen(file);
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
357 if (fd >= 0) {
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
358 pf = place_addfile(place, file, id->issystem);
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
359 file_read(pf, fd, file, false);
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
360 dostrfree(file);
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
361 close(fd);
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
362 return;
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
363 }
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
364 dostrfree(file);
91f600e6647b Allow absolute paths in include files.
David A. Holland
parents: 99
diff changeset
365 }
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
366 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
367 complain(place, "Include file %s not found", name);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
368 complain_fail();
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
369 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
370
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
371 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
372 file_readquote(struct place *place, const char *name)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
373 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
374 file_search(place, &quotepath, name);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
375 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
376
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
377 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
378 file_readbracket(struct place *place, const char *name)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
379 {
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
380 file_search(place, &bracketpath, name);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
381 }
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
382
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
383 void
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
384 file_readabsolute(struct place *place, const char *name)
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
385 {
13
120629a5d6bf seenfile -> placefile (clearer)
David A. Holland
parents: 10
diff changeset
386 const struct placefile *pf;
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
387 int fd;
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
388
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
389 assert(place != NULL);
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
390
24
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
391 if (name == NULL) {
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
392 fd = STDIN_FILENO;
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
393 pf = place_addfile(place, "<standard-input>", false);
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
394 } else {
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
395 fd = file_tryopen(name);
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
396 if (fd < 0) {
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
397 warn("%s", name);
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
398 die();
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
399 }
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
400 pf = place_addfile(place, name, false);
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
401 }
24
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
402
28
8a955e3dda2c two more tests, more fixes
David A. Holland
parents: 24
diff changeset
403 file_read(pf, fd, name, true);
24
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
404
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
405 if (name != NULL) {
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
406 close(fd);
daa801fe719e fix some bugs
David A. Holland
parents: 15
diff changeset
407 }
6
0601b6e8e53d checkpoint - can find files
David A. Holland
parents:
diff changeset
408 }