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-rw-r--r--shared.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/shared.c b/shared.c
index 4cb9573..d7b2d5a 100644
--- a/shared.c
+++ b/shared.c
@@ -1,416 +1,417 @@
1/* shared.c: global vars + some callback functions 1/* shared.c: global vars + some callback functions
2 * 2 *
3 * Copyright (C) 2006 Lars Hjemli 3 * Copyright (C) 2006 Lars Hjemli
4 * 4 *
5 * Licensed under GNU General Public License v2 5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text) 6 * (see COPYING for full license text)
7 */ 7 */
8 8
9#include "cgit.h" 9#include "cgit.h"
10 10
11struct cgit_repolist cgit_repolist; 11struct cgit_repolist cgit_repolist;
12struct cgit_context ctx; 12struct cgit_context ctx;
13int cgit_cmd; 13int cgit_cmd;
14 14
15int chk_zero(int result, char *msg) 15int chk_zero(int result, char *msg)
16{ 16{
17 if (result != 0) 17 if (result != 0)
18 die("%s: %s", msg, strerror(errno)); 18 die("%s: %s", msg, strerror(errno));
19 return result; 19 return result;
20} 20}
21 21
22int chk_positive(int result, char *msg) 22int chk_positive(int result, char *msg)
23{ 23{
24 if (result <= 0) 24 if (result <= 0)
25 die("%s: %s", msg, strerror(errno)); 25 die("%s: %s", msg, strerror(errno));
26 return result; 26 return result;
27} 27}
28 28
29int chk_non_negative(int result, char *msg) 29int chk_non_negative(int result, char *msg)
30{ 30{
31 if (result < 0) 31 if (result < 0)
32 die("%s: %s",msg, strerror(errno)); 32 die("%s: %s",msg, strerror(errno));
33 return result; 33 return result;
34} 34}
35 35
36struct cgit_repo *cgit_add_repo(const char *url) 36struct cgit_repo *cgit_add_repo(const char *url)
37{ 37{
38 struct cgit_repo *ret; 38 struct cgit_repo *ret;
39 39
40 if (++cgit_repolist.count > cgit_repolist.length) { 40 if (++cgit_repolist.count > cgit_repolist.length) {
41 if (cgit_repolist.length == 0) 41 if (cgit_repolist.length == 0)
42 cgit_repolist.length = 8; 42 cgit_repolist.length = 8;
43 else 43 else
44 cgit_repolist.length *= 2; 44 cgit_repolist.length *= 2;
45 cgit_repolist.repos = xrealloc(cgit_repolist.repos, 45 cgit_repolist.repos = xrealloc(cgit_repolist.repos,
46 cgit_repolist.length * 46 cgit_repolist.length *
47 sizeof(struct cgit_repo)); 47 sizeof(struct cgit_repo));
48 } 48 }
49 49
50 ret = &cgit_repolist.repos[cgit_repolist.count-1]; 50 ret = &cgit_repolist.repos[cgit_repolist.count-1];
51 memset(ret, 0, sizeof(struct cgit_repo));
51 ret->url = trim_end(url, '/'); 52 ret->url = trim_end(url, '/');
52 ret->name = ret->url; 53 ret->name = ret->url;
53 ret->path = NULL; 54 ret->path = NULL;
54 ret->desc = "[no description]"; 55 ret->desc = "[no description]";
55 ret->owner = NULL; 56 ret->owner = NULL;
56 ret->group = ctx.cfg.repo_group; 57 ret->section = ctx.cfg.section;
57 ret->defbranch = "master"; 58 ret->defbranch = "master";
58 ret->snapshots = ctx.cfg.snapshots; 59 ret->snapshots = ctx.cfg.snapshots;
59 ret->enable_log_filecount = ctx.cfg.enable_log_filecount; 60 ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
60 ret->enable_log_linecount = ctx.cfg.enable_log_linecount; 61 ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
61 ret->max_stats = ctx.cfg.max_stats; 62 ret->max_stats = ctx.cfg.max_stats;
62 ret->module_link = ctx.cfg.module_link; 63 ret->module_link = ctx.cfg.module_link;
63 ret->readme = NULL; 64 ret->readme = NULL;
64 ret->mtime = -1; 65 ret->mtime = -1;
65 ret->about_filter = ctx.cfg.about_filter; 66 ret->about_filter = ctx.cfg.about_filter;
66 ret->commit_filter = ctx.cfg.commit_filter; 67 ret->commit_filter = ctx.cfg.commit_filter;
67 ret->source_filter = ctx.cfg.source_filter; 68 ret->source_filter = ctx.cfg.source_filter;
68 return ret; 69 return ret;
69} 70}
70 71
71struct cgit_repo *cgit_get_repoinfo(const char *url) 72struct cgit_repo *cgit_get_repoinfo(const char *url)
72{ 73{
73 int i; 74 int i;
74 struct cgit_repo *repo; 75 struct cgit_repo *repo;
75 76
76 for (i=0; i<cgit_repolist.count; i++) { 77 for (i=0; i<cgit_repolist.count; i++) {
77 repo = &cgit_repolist.repos[i]; 78 repo = &cgit_repolist.repos[i];
78 if (!strcmp(repo->url, url)) 79 if (!strcmp(repo->url, url))
79 return repo; 80 return repo;
80 } 81 }
81 return NULL; 82 return NULL;
82} 83}
83 84
84void *cgit_free_commitinfo(struct commitinfo *info) 85void *cgit_free_commitinfo(struct commitinfo *info)
85{ 86{
86 free(info->author); 87 free(info->author);
87 free(info->author_email); 88 free(info->author_email);
88 free(info->committer); 89 free(info->committer);
89 free(info->committer_email); 90 free(info->committer_email);
90 free(info->subject); 91 free(info->subject);
91 free(info->msg); 92 free(info->msg);
92 free(info->msg_encoding); 93 free(info->msg_encoding);
93 free(info); 94 free(info);
94 return NULL; 95 return NULL;
95} 96}
96 97
97char *trim_end(const char *str, char c) 98char *trim_end(const char *str, char c)
98{ 99{
99 int len; 100 int len;
100 char *s, *t; 101 char *s, *t;
101 102
102 if (str == NULL) 103 if (str == NULL)
103 return NULL; 104 return NULL;
104 t = (char *)str; 105 t = (char *)str;
105 len = strlen(t); 106 len = strlen(t);
106 while(len > 0 && t[len - 1] == c) 107 while(len > 0 && t[len - 1] == c)
107 len--; 108 len--;
108 109
109 if (len == 0) 110 if (len == 0)
110 return NULL; 111 return NULL;
111 112
112 c = t[len]; 113 c = t[len];
113 t[len] = '\0'; 114 t[len] = '\0';
114 s = xstrdup(t); 115 s = xstrdup(t);
115 t[len] = c; 116 t[len] = c;
116 return s; 117 return s;
117} 118}
118 119
119char *strlpart(char *txt, int maxlen) 120char *strlpart(char *txt, int maxlen)
120{ 121{
121 char *result; 122 char *result;
122 123
123 if (!txt) 124 if (!txt)
124 return txt; 125 return txt;
125 126
126 if (strlen(txt) <= maxlen) 127 if (strlen(txt) <= maxlen)
127 return txt; 128 return txt;
128 result = xmalloc(maxlen + 1); 129 result = xmalloc(maxlen + 1);
129 memcpy(result, txt, maxlen - 3); 130 memcpy(result, txt, maxlen - 3);
130 result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.'; 131 result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.';
131 result[maxlen] = '\0'; 132 result[maxlen] = '\0';
132 return result; 133 return result;
133} 134}
134 135
135char *strrpart(char *txt, int maxlen) 136char *strrpart(char *txt, int maxlen)
136{ 137{
137 char *result; 138 char *result;
138 139
139 if (!txt) 140 if (!txt)
140 return txt; 141 return txt;
141 142
142 if (strlen(txt) <= maxlen) 143 if (strlen(txt) <= maxlen)
143 return txt; 144 return txt;
144 result = xmalloc(maxlen + 1); 145 result = xmalloc(maxlen + 1);
145 memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3); 146 memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3);
146 result[0] = result[1] = result[2] = '.'; 147 result[0] = result[1] = result[2] = '.';
147 return result; 148 return result;
148} 149}
149 150
150void cgit_add_ref(struct reflist *list, struct refinfo *ref) 151void cgit_add_ref(struct reflist *list, struct refinfo *ref)
151{ 152{
152 size_t size; 153 size_t size;
153 154
154 if (list->count >= list->alloc) { 155 if (list->count >= list->alloc) {
155 list->alloc += (list->alloc ? list->alloc : 4); 156 list->alloc += (list->alloc ? list->alloc : 4);
156 size = list->alloc * sizeof(struct refinfo *); 157 size = list->alloc * sizeof(struct refinfo *);
157 list->refs = xrealloc(list->refs, size); 158 list->refs = xrealloc(list->refs, size);
158 } 159 }
159 list->refs[list->count++] = ref; 160 list->refs[list->count++] = ref;
160} 161}
161 162
162struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1) 163struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
163{ 164{
164 struct refinfo *ref; 165 struct refinfo *ref;
165 166
166 ref = xmalloc(sizeof (struct refinfo)); 167 ref = xmalloc(sizeof (struct refinfo));
167 ref->refname = xstrdup(refname); 168 ref->refname = xstrdup(refname);
168 ref->object = parse_object(sha1); 169 ref->object = parse_object(sha1);
169 switch (ref->object->type) { 170 switch (ref->object->type) {
170 case OBJ_TAG: 171 case OBJ_TAG:
171 ref->tag = cgit_parse_tag((struct tag *)ref->object); 172 ref->tag = cgit_parse_tag((struct tag *)ref->object);
172 break; 173 break;
173 case OBJ_COMMIT: 174 case OBJ_COMMIT:
174 ref->commit = cgit_parse_commit((struct commit *)ref->object); 175 ref->commit = cgit_parse_commit((struct commit *)ref->object);
175 break; 176 break;
176 } 177 }
177 return ref; 178 return ref;
178} 179}
179 180
180int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags, 181int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags,
181 void *cb_data) 182 void *cb_data)
182{ 183{
183 struct reflist *list = (struct reflist *)cb_data; 184 struct reflist *list = (struct reflist *)cb_data;
184 struct refinfo *info = cgit_mk_refinfo(refname, sha1); 185 struct refinfo *info = cgit_mk_refinfo(refname, sha1);
185 186
186 if (info) 187 if (info)
187 cgit_add_ref(list, info); 188 cgit_add_ref(list, info);
188 return 0; 189 return 0;
189} 190}
190 191
191void cgit_diff_tree_cb(struct diff_queue_struct *q, 192void cgit_diff_tree_cb(struct diff_queue_struct *q,
192 struct diff_options *options, void *data) 193 struct diff_options *options, void *data)
193{ 194{
194 int i; 195 int i;
195 196
196 for (i = 0; i < q->nr; i++) { 197 for (i = 0; i < q->nr; i++) {
197 if (q->queue[i]->status == 'U') 198 if (q->queue[i]->status == 'U')
198 continue; 199 continue;
199 ((filepair_fn)data)(q->queue[i]); 200 ((filepair_fn)data)(q->queue[i]);
200 } 201 }
201} 202}
202 203
203static int load_mmfile(mmfile_t *file, const unsigned char *sha1) 204static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
204{ 205{
205 enum object_type type; 206 enum object_type type;
206 207
207 if (is_null_sha1(sha1)) { 208 if (is_null_sha1(sha1)) {
208 file->ptr = (char *)""; 209 file->ptr = (char *)"";
209 file->size = 0; 210 file->size = 0;
210 } else { 211 } else {
211 file->ptr = read_sha1_file(sha1, &type, 212 file->ptr = read_sha1_file(sha1, &type,
212 (unsigned long *)&file->size); 213 (unsigned long *)&file->size);
213 } 214 }
214 return 1; 215 return 1;
215} 216}
216 217
217/* 218/*
218 * Receive diff-buffers from xdiff and concatenate them as 219 * Receive diff-buffers from xdiff and concatenate them as
219 * needed across multiple callbacks. 220 * needed across multiple callbacks.
220 * 221 *
221 * This is basically a copy of xdiff-interface.c/xdiff_outf(), 222 * This is basically a copy of xdiff-interface.c/xdiff_outf(),
222 * ripped from git and modified to use globals instead of 223 * ripped from git and modified to use globals instead of
223 * a special callback-struct. 224 * a special callback-struct.
224 */ 225 */
225char *diffbuf = NULL; 226char *diffbuf = NULL;
226int buflen = 0; 227int buflen = 0;
227 228
228int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) 229int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
229{ 230{
230 int i; 231 int i;
231 232
232 for (i = 0; i < nbuf; i++) { 233 for (i = 0; i < nbuf; i++) {
233 if (mb[i].ptr[mb[i].size-1] != '\n') { 234 if (mb[i].ptr[mb[i].size-1] != '\n') {
234 /* Incomplete line */ 235 /* Incomplete line */
235 diffbuf = xrealloc(diffbuf, buflen + mb[i].size); 236 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
236 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); 237 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
237 buflen += mb[i].size; 238 buflen += mb[i].size;
238 continue; 239 continue;
239 } 240 }
240 241
241 /* we have a complete line */ 242 /* we have a complete line */
242 if (!diffbuf) { 243 if (!diffbuf) {
243 ((linediff_fn)priv)(mb[i].ptr, mb[i].size); 244 ((linediff_fn)priv)(mb[i].ptr, mb[i].size);
244 continue; 245 continue;
245 } 246 }
246 diffbuf = xrealloc(diffbuf, buflen + mb[i].size); 247 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
247 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); 248 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
248 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size); 249 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size);
249 free(diffbuf); 250 free(diffbuf);
250 diffbuf = NULL; 251 diffbuf = NULL;
251 buflen = 0; 252 buflen = 0;
252 } 253 }
253 if (diffbuf) { 254 if (diffbuf) {
254 ((linediff_fn)priv)(diffbuf, buflen); 255 ((linediff_fn)priv)(diffbuf, buflen);
255 free(diffbuf); 256 free(diffbuf);
256 diffbuf = NULL; 257 diffbuf = NULL;
257 buflen = 0; 258 buflen = 0;
258 } 259 }
259 return 0; 260 return 0;
260} 261}
261 262
262int cgit_diff_files(const unsigned char *old_sha1, 263int cgit_diff_files(const unsigned char *old_sha1,
263 const unsigned char *new_sha1, unsigned long *old_size, 264 const unsigned char *new_sha1, unsigned long *old_size,
264 unsigned long *new_size, int *binary, linediff_fn fn) 265 unsigned long *new_size, int *binary, linediff_fn fn)
265{ 266{
266 mmfile_t file1, file2; 267 mmfile_t file1, file2;
267 xpparam_t diff_params; 268 xpparam_t diff_params;
268 xdemitconf_t emit_params; 269 xdemitconf_t emit_params;
269 xdemitcb_t emit_cb; 270 xdemitcb_t emit_cb;
270 271
271 if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1)) 272 if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
272 return 1; 273 return 1;
273 274
274 *old_size = file1.size; 275 *old_size = file1.size;
275 *new_size = file2.size; 276 *new_size = file2.size;
276 277
277 if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) || 278 if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) ||
278 (file2.ptr && buffer_is_binary(file2.ptr, file2.size))) { 279 (file2.ptr && buffer_is_binary(file2.ptr, file2.size))) {
279 *binary = 1; 280 *binary = 1;
280 return 0; 281 return 0;
281 } 282 }
282 283
283 memset(&diff_params, 0, sizeof(diff_params)); 284 memset(&diff_params, 0, sizeof(diff_params));
284 memset(&emit_params, 0, sizeof(emit_params)); 285 memset(&emit_params, 0, sizeof(emit_params));
285 memset(&emit_cb, 0, sizeof(emit_cb)); 286 memset(&emit_cb, 0, sizeof(emit_cb));
286 diff_params.flags = XDF_NEED_MINIMAL; 287 diff_params.flags = XDF_NEED_MINIMAL;
287 emit_params.ctxlen = 3; 288 emit_params.ctxlen = 3;
288 emit_params.flags = XDL_EMIT_FUNCNAMES; 289 emit_params.flags = XDL_EMIT_FUNCNAMES;
289 emit_cb.outf = filediff_cb; 290 emit_cb.outf = filediff_cb;
290 emit_cb.priv = fn; 291 emit_cb.priv = fn;
291 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb); 292 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
292 return 0; 293 return 0;
293} 294}
294 295
295void cgit_diff_tree(const unsigned char *old_sha1, 296void cgit_diff_tree(const unsigned char *old_sha1,
296 const unsigned char *new_sha1, 297 const unsigned char *new_sha1,
297 filepair_fn fn, const char *prefix) 298 filepair_fn fn, const char *prefix)
298{ 299{
299 struct diff_options opt; 300 struct diff_options opt;
300 int ret; 301 int ret;
301 int prefixlen; 302 int prefixlen;
302 303
303 diff_setup(&opt); 304 diff_setup(&opt);
304 opt.output_format = DIFF_FORMAT_CALLBACK; 305 opt.output_format = DIFF_FORMAT_CALLBACK;
305 opt.detect_rename = 1; 306 opt.detect_rename = 1;
306 opt.rename_limit = ctx.cfg.renamelimit; 307 opt.rename_limit = ctx.cfg.renamelimit;
307 DIFF_OPT_SET(&opt, RECURSIVE); 308 DIFF_OPT_SET(&opt, RECURSIVE);
308 opt.format_callback = cgit_diff_tree_cb; 309 opt.format_callback = cgit_diff_tree_cb;
309 opt.format_callback_data = fn; 310 opt.format_callback_data = fn;
310 if (prefix) { 311 if (prefix) {
311 opt.nr_paths = 1; 312 opt.nr_paths = 1;
312 opt.paths = &prefix; 313 opt.paths = &prefix;
313 prefixlen = strlen(prefix); 314 prefixlen = strlen(prefix);
314 opt.pathlens = &prefixlen; 315 opt.pathlens = &prefixlen;
315 } 316 }
316 diff_setup_done(&opt); 317 diff_setup_done(&opt);
317 318
318 if (old_sha1 && !is_null_sha1(old_sha1)) 319 if (old_sha1 && !is_null_sha1(old_sha1))
319 ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt); 320 ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt);
320 else 321 else
321 ret = diff_root_tree_sha1(new_sha1, "", &opt); 322 ret = diff_root_tree_sha1(new_sha1, "", &opt);
322 diffcore_std(&opt); 323 diffcore_std(&opt);
323 diff_flush(&opt); 324 diff_flush(&opt);
324} 325}
325 326
326void cgit_diff_commit(struct commit *commit, filepair_fn fn) 327void cgit_diff_commit(struct commit *commit, filepair_fn fn)
327{ 328{
328 unsigned char *old_sha1 = NULL; 329 unsigned char *old_sha1 = NULL;
329 330
330 if (commit->parents) 331 if (commit->parents)
331 old_sha1 = commit->parents->item->object.sha1; 332 old_sha1 = commit->parents->item->object.sha1;
332 cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL); 333 cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
333} 334}
334 335
335int cgit_parse_snapshots_mask(const char *str) 336int cgit_parse_snapshots_mask(const char *str)
336{ 337{
337 const struct cgit_snapshot_format *f; 338 const struct cgit_snapshot_format *f;
338 static const char *delim = " \t,:/|;"; 339 static const char *delim = " \t,:/|;";
339 int tl, sl, rv = 0; 340 int tl, sl, rv = 0;
340 341
341 /* favor legacy setting */ 342 /* favor legacy setting */
342 if(atoi(str)) 343 if(atoi(str))
343 return 1; 344 return 1;
344 for(;;) { 345 for(;;) {
345 str += strspn(str,delim); 346 str += strspn(str,delim);
346 tl = strcspn(str,delim); 347 tl = strcspn(str,delim);
347 if (!tl) 348 if (!tl)
348 break; 349 break;
349 for (f = cgit_snapshot_formats; f->suffix; f++) { 350 for (f = cgit_snapshot_formats; f->suffix; f++) {
350 sl = strlen(f->suffix); 351 sl = strlen(f->suffix);
351 if((tl == sl && !strncmp(f->suffix, str, tl)) || 352 if((tl == sl && !strncmp(f->suffix, str, tl)) ||
352 (tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) { 353 (tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) {
353 rv |= f->bit; 354 rv |= f->bit;
354 break; 355 break;
355 } 356 }
356 } 357 }
357 str += tl; 358 str += tl;
358 } 359 }
359 return rv; 360 return rv;
360} 361}
361 362
362int cgit_open_filter(struct cgit_filter *filter) 363int cgit_open_filter(struct cgit_filter *filter)
363{ 364{
364 365
365 filter->old_stdout = chk_positive(dup(STDOUT_FILENO), 366 filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
366 "Unable to duplicate STDOUT"); 367 "Unable to duplicate STDOUT");
367 chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess"); 368 chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
368 filter->pid = chk_non_negative(fork(), "Unable to create subprocess"); 369 filter->pid = chk_non_negative(fork(), "Unable to create subprocess");
369 if (filter->pid == 0) { 370 if (filter->pid == 0) {
370 close(filter->pipe_fh[1]); 371 close(filter->pipe_fh[1]);
371 chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO), 372 chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
372 "Unable to use pipe as STDIN"); 373 "Unable to use pipe as STDIN");
373 execvp(filter->cmd, filter->argv); 374 execvp(filter->cmd, filter->argv);
374 die("Unable to exec subprocess %s: %s (%d)", filter->cmd, 375 die("Unable to exec subprocess %s: %s (%d)", filter->cmd,
375 strerror(errno), errno); 376 strerror(errno), errno);
376 } 377 }
377 close(filter->pipe_fh[0]); 378 close(filter->pipe_fh[0]);
378 chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO), 379 chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO),
379 "Unable to use pipe as STDOUT"); 380 "Unable to use pipe as STDOUT");
380 close(filter->pipe_fh[1]); 381 close(filter->pipe_fh[1]);
381 return 0; 382 return 0;
382} 383}
383 384
384int cgit_close_filter(struct cgit_filter *filter) 385int cgit_close_filter(struct cgit_filter *filter)
385{ 386{
386 chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO), 387 chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
387 "Unable to restore STDOUT"); 388 "Unable to restore STDOUT");
388 close(filter->old_stdout); 389 close(filter->old_stdout);
389 if (filter->pid < 0) 390 if (filter->pid < 0)
390 return 0; 391 return 0;
391 waitpid(filter->pid, &filter->exitstatus, 0); 392 waitpid(filter->pid, &filter->exitstatus, 0);
392 if (WIFEXITED(filter->exitstatus) && !WEXITSTATUS(filter->exitstatus)) 393 if (WIFEXITED(filter->exitstatus) && !WEXITSTATUS(filter->exitstatus))
393 return 0; 394 return 0;
394 die("Subprocess %s exited abnormally", filter->cmd); 395 die("Subprocess %s exited abnormally", filter->cmd);
395} 396}
396 397
397/* Read the content of the specified file into a newly allocated buffer, 398/* Read the content of the specified file into a newly allocated buffer,
398 * zeroterminate the buffer and return 0 on success, errno otherwise. 399 * zeroterminate the buffer and return 0 on success, errno otherwise.
399 */ 400 */
400int readfile(const char *path, char **buf, size_t *size) 401int readfile(const char *path, char **buf, size_t *size)
401{ 402{
402 int fd; 403 int fd;
403 struct stat st; 404 struct stat st;
404 405
405 fd = open(path, O_RDONLY); 406 fd = open(path, O_RDONLY);
406 if (fd == -1) 407 if (fd == -1)
407 return errno; 408 return errno;
408 if (fstat(fd, &st)) 409 if (fstat(fd, &st))
409 return errno; 410 return errno;
410 if (!S_ISREG(st.st_mode)) 411 if (!S_ISREG(st.st_mode))
411 return EISDIR; 412 return EISDIR;
412 *buf = xmalloc(st.st_size + 1); 413 *buf = xmalloc(st.st_size + 1);
413 *size = read_in_full(fd, *buf, st.st_size); 414 *size = read_in_full(fd, *buf, st.st_size);
414 (*buf)[*size] = '\0'; 415 (*buf)[*size] = '\0';
415 return (*size == st.st_size ? 0 : errno); 416 return (*size == st.st_size ? 0 : errno);
416} 417}