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-rw-r--r--shared.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/shared.c b/shared.c
index 9362d21..5f46793 100644
--- a/shared.c
+++ b/shared.c
@@ -1,424 +1,425 @@
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 memset(ret, 0, sizeof(struct cgit_repo));
52 ret->url = trim_end(url, '/'); 52 ret->url = trim_end(url, '/');
53 ret->name = ret->url; 53 ret->name = ret->url;
54 ret->path = NULL; 54 ret->path = NULL;
55 ret->desc = "[no description]"; 55 ret->desc = "[no description]";
56 ret->owner = NULL; 56 ret->owner = NULL;
57 ret->section = ctx.cfg.section; 57 ret->section = ctx.cfg.section;
58 ret->defbranch = "master"; 58 ret->defbranch = "master";
59 ret->snapshots = ctx.cfg.snapshots; 59 ret->snapshots = ctx.cfg.snapshots;
60 ret->enable_log_filecount = ctx.cfg.enable_log_filecount; 60 ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
61 ret->enable_log_linecount = ctx.cfg.enable_log_linecount; 61 ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
62 ret->enable_remote_branches = ctx.cfg.enable_remote_branches;
62 ret->max_stats = ctx.cfg.max_stats; 63 ret->max_stats = ctx.cfg.max_stats;
63 ret->module_link = ctx.cfg.module_link; 64 ret->module_link = ctx.cfg.module_link;
64 ret->readme = NULL; 65 ret->readme = NULL;
65 ret->mtime = -1; 66 ret->mtime = -1;
66 ret->about_filter = ctx.cfg.about_filter; 67 ret->about_filter = ctx.cfg.about_filter;
67 ret->commit_filter = ctx.cfg.commit_filter; 68 ret->commit_filter = ctx.cfg.commit_filter;
68 ret->source_filter = ctx.cfg.source_filter; 69 ret->source_filter = ctx.cfg.source_filter;
69 return ret; 70 return ret;
70} 71}
71 72
72struct cgit_repo *cgit_get_repoinfo(const char *url) 73struct cgit_repo *cgit_get_repoinfo(const char *url)
73{ 74{
74 int i; 75 int i;
75 struct cgit_repo *repo; 76 struct cgit_repo *repo;
76 77
77 for (i=0; i<cgit_repolist.count; i++) { 78 for (i=0; i<cgit_repolist.count; i++) {
78 repo = &cgit_repolist.repos[i]; 79 repo = &cgit_repolist.repos[i];
79 if (!strcmp(repo->url, url)) 80 if (!strcmp(repo->url, url))
80 return repo; 81 return repo;
81 } 82 }
82 return NULL; 83 return NULL;
83} 84}
84 85
85void *cgit_free_commitinfo(struct commitinfo *info) 86void *cgit_free_commitinfo(struct commitinfo *info)
86{ 87{
87 free(info->author); 88 free(info->author);
88 free(info->author_email); 89 free(info->author_email);
89 free(info->committer); 90 free(info->committer);
90 free(info->committer_email); 91 free(info->committer_email);
91 free(info->subject); 92 free(info->subject);
92 free(info->msg); 93 free(info->msg);
93 free(info->msg_encoding); 94 free(info->msg_encoding);
94 free(info); 95 free(info);
95 return NULL; 96 return NULL;
96} 97}
97 98
98char *trim_end(const char *str, char c) 99char *trim_end(const char *str, char c)
99{ 100{
100 int len; 101 int len;
101 char *s, *t; 102 char *s, *t;
102 103
103 if (str == NULL) 104 if (str == NULL)
104 return NULL; 105 return NULL;
105 t = (char *)str; 106 t = (char *)str;
106 len = strlen(t); 107 len = strlen(t);
107 while(len > 0 && t[len - 1] == c) 108 while(len > 0 && t[len - 1] == c)
108 len--; 109 len--;
109 110
110 if (len == 0) 111 if (len == 0)
111 return NULL; 112 return NULL;
112 113
113 c = t[len]; 114 c = t[len];
114 t[len] = '\0'; 115 t[len] = '\0';
115 s = xstrdup(t); 116 s = xstrdup(t);
116 t[len] = c; 117 t[len] = c;
117 return s; 118 return s;
118} 119}
119 120
120char *strlpart(char *txt, int maxlen) 121char *strlpart(char *txt, int maxlen)
121{ 122{
122 char *result; 123 char *result;
123 124
124 if (!txt) 125 if (!txt)
125 return txt; 126 return txt;
126 127
127 if (strlen(txt) <= maxlen) 128 if (strlen(txt) <= maxlen)
128 return txt; 129 return txt;
129 result = xmalloc(maxlen + 1); 130 result = xmalloc(maxlen + 1);
130 memcpy(result, txt, maxlen - 3); 131 memcpy(result, txt, maxlen - 3);
131 result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.'; 132 result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.';
132 result[maxlen] = '\0'; 133 result[maxlen] = '\0';
133 return result; 134 return result;
134} 135}
135 136
136char *strrpart(char *txt, int maxlen) 137char *strrpart(char *txt, int maxlen)
137{ 138{
138 char *result; 139 char *result;
139 140
140 if (!txt) 141 if (!txt)
141 return txt; 142 return txt;
142 143
143 if (strlen(txt) <= maxlen) 144 if (strlen(txt) <= maxlen)
144 return txt; 145 return txt;
145 result = xmalloc(maxlen + 1); 146 result = xmalloc(maxlen + 1);
146 memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3); 147 memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3);
147 result[0] = result[1] = result[2] = '.'; 148 result[0] = result[1] = result[2] = '.';
148 return result; 149 return result;
149} 150}
150 151
151void cgit_add_ref(struct reflist *list, struct refinfo *ref) 152void cgit_add_ref(struct reflist *list, struct refinfo *ref)
152{ 153{
153 size_t size; 154 size_t size;
154 155
155 if (list->count >= list->alloc) { 156 if (list->count >= list->alloc) {
156 list->alloc += (list->alloc ? list->alloc : 4); 157 list->alloc += (list->alloc ? list->alloc : 4);
157 size = list->alloc * sizeof(struct refinfo *); 158 size = list->alloc * sizeof(struct refinfo *);
158 list->refs = xrealloc(list->refs, size); 159 list->refs = xrealloc(list->refs, size);
159 } 160 }
160 list->refs[list->count++] = ref; 161 list->refs[list->count++] = ref;
161} 162}
162 163
163struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1) 164struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
164{ 165{
165 struct refinfo *ref; 166 struct refinfo *ref;
166 167
167 ref = xmalloc(sizeof (struct refinfo)); 168 ref = xmalloc(sizeof (struct refinfo));
168 ref->refname = xstrdup(refname); 169 ref->refname = xstrdup(refname);
169 ref->object = parse_object(sha1); 170 ref->object = parse_object(sha1);
170 switch (ref->object->type) { 171 switch (ref->object->type) {
171 case OBJ_TAG: 172 case OBJ_TAG:
172 ref->tag = cgit_parse_tag((struct tag *)ref->object); 173 ref->tag = cgit_parse_tag((struct tag *)ref->object);
173 break; 174 break;
174 case OBJ_COMMIT: 175 case OBJ_COMMIT:
175 ref->commit = cgit_parse_commit((struct commit *)ref->object); 176 ref->commit = cgit_parse_commit((struct commit *)ref->object);
176 break; 177 break;
177 } 178 }
178 return ref; 179 return ref;
179} 180}
180 181
181int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags, 182int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags,
182 void *cb_data) 183 void *cb_data)
183{ 184{
184 struct reflist *list = (struct reflist *)cb_data; 185 struct reflist *list = (struct reflist *)cb_data;
185 struct refinfo *info = cgit_mk_refinfo(refname, sha1); 186 struct refinfo *info = cgit_mk_refinfo(refname, sha1);
186 187
187 if (info) 188 if (info)
188 cgit_add_ref(list, info); 189 cgit_add_ref(list, info);
189 return 0; 190 return 0;
190} 191}
191 192
192void cgit_diff_tree_cb(struct diff_queue_struct *q, 193void cgit_diff_tree_cb(struct diff_queue_struct *q,
193 struct diff_options *options, void *data) 194 struct diff_options *options, void *data)
194{ 195{
195 int i; 196 int i;
196 197
197 for (i = 0; i < q->nr; i++) { 198 for (i = 0; i < q->nr; i++) {
198 if (q->queue[i]->status == 'U') 199 if (q->queue[i]->status == 'U')
199 continue; 200 continue;
200 ((filepair_fn)data)(q->queue[i]); 201 ((filepair_fn)data)(q->queue[i]);
201 } 202 }
202} 203}
203 204
204static int load_mmfile(mmfile_t *file, const unsigned char *sha1) 205static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
205{ 206{
206 enum object_type type; 207 enum object_type type;
207 208
208 if (is_null_sha1(sha1)) { 209 if (is_null_sha1(sha1)) {
209 file->ptr = (char *)""; 210 file->ptr = (char *)"";
210 file->size = 0; 211 file->size = 0;
211 } else { 212 } else {
212 file->ptr = read_sha1_file(sha1, &type, 213 file->ptr = read_sha1_file(sha1, &type,
213 (unsigned long *)&file->size); 214 (unsigned long *)&file->size);
214 } 215 }
215 return 1; 216 return 1;
216} 217}
217 218
218/* 219/*
219 * Receive diff-buffers from xdiff and concatenate them as 220 * Receive diff-buffers from xdiff and concatenate them as
220 * needed across multiple callbacks. 221 * needed across multiple callbacks.
221 * 222 *
222 * This is basically a copy of xdiff-interface.c/xdiff_outf(), 223 * This is basically a copy of xdiff-interface.c/xdiff_outf(),
223 * ripped from git and modified to use globals instead of 224 * ripped from git and modified to use globals instead of
224 * a special callback-struct. 225 * a special callback-struct.
225 */ 226 */
226char *diffbuf = NULL; 227char *diffbuf = NULL;
227int buflen = 0; 228int buflen = 0;
228 229
229int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) 230int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
230{ 231{
231 int i; 232 int i;
232 233
233 for (i = 0; i < nbuf; i++) { 234 for (i = 0; i < nbuf; i++) {
234 if (mb[i].ptr[mb[i].size-1] != '\n') { 235 if (mb[i].ptr[mb[i].size-1] != '\n') {
235 /* Incomplete line */ 236 /* Incomplete line */
236 diffbuf = xrealloc(diffbuf, buflen + mb[i].size); 237 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
237 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); 238 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
238 buflen += mb[i].size; 239 buflen += mb[i].size;
239 continue; 240 continue;
240 } 241 }
241 242
242 /* we have a complete line */ 243 /* we have a complete line */
243 if (!diffbuf) { 244 if (!diffbuf) {
244 ((linediff_fn)priv)(mb[i].ptr, mb[i].size); 245 ((linediff_fn)priv)(mb[i].ptr, mb[i].size);
245 continue; 246 continue;
246 } 247 }
247 diffbuf = xrealloc(diffbuf, buflen + mb[i].size); 248 diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
248 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); 249 memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
249 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size); 250 ((linediff_fn)priv)(diffbuf, buflen + mb[i].size);
250 free(diffbuf); 251 free(diffbuf);
251 diffbuf = NULL; 252 diffbuf = NULL;
252 buflen = 0; 253 buflen = 0;
253 } 254 }
254 if (diffbuf) { 255 if (diffbuf) {
255 ((linediff_fn)priv)(diffbuf, buflen); 256 ((linediff_fn)priv)(diffbuf, buflen);
256 free(diffbuf); 257 free(diffbuf);
257 diffbuf = NULL; 258 diffbuf = NULL;
258 buflen = 0; 259 buflen = 0;
259 } 260 }
260 return 0; 261 return 0;
261} 262}
262 263
263int cgit_diff_files(const unsigned char *old_sha1, 264int cgit_diff_files(const unsigned char *old_sha1,
264 const unsigned char *new_sha1, unsigned long *old_size, 265 const unsigned char *new_sha1, unsigned long *old_size,
265 unsigned long *new_size, int *binary, linediff_fn fn) 266 unsigned long *new_size, int *binary, linediff_fn fn)
266{ 267{
267 mmfile_t file1, file2; 268 mmfile_t file1, file2;
268 xpparam_t diff_params; 269 xpparam_t diff_params;
269 xdemitconf_t emit_params; 270 xdemitconf_t emit_params;
270 xdemitcb_t emit_cb; 271 xdemitcb_t emit_cb;
271 272
272 if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1)) 273 if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
273 return 1; 274 return 1;
274 275
275 *old_size = file1.size; 276 *old_size = file1.size;
276 *new_size = file2.size; 277 *new_size = file2.size;
277 278
278 if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) || 279 if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) ||
279 (file2.ptr && buffer_is_binary(file2.ptr, file2.size))) { 280 (file2.ptr && buffer_is_binary(file2.ptr, file2.size))) {
280 *binary = 1; 281 *binary = 1;
281 return 0; 282 return 0;
282 } 283 }
283 284
284 memset(&diff_params, 0, sizeof(diff_params)); 285 memset(&diff_params, 0, sizeof(diff_params));
285 memset(&emit_params, 0, sizeof(emit_params)); 286 memset(&emit_params, 0, sizeof(emit_params));
286 memset(&emit_cb, 0, sizeof(emit_cb)); 287 memset(&emit_cb, 0, sizeof(emit_cb));
287 diff_params.flags = XDF_NEED_MINIMAL; 288 diff_params.flags = XDF_NEED_MINIMAL;
288 emit_params.ctxlen = 3; 289 emit_params.ctxlen = 3;
289 emit_params.flags = XDL_EMIT_FUNCNAMES; 290 emit_params.flags = XDL_EMIT_FUNCNAMES;
290 emit_cb.outf = filediff_cb; 291 emit_cb.outf = filediff_cb;
291 emit_cb.priv = fn; 292 emit_cb.priv = fn;
292 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb); 293 xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
293 return 0; 294 return 0;
294} 295}
295 296
296void cgit_diff_tree(const unsigned char *old_sha1, 297void cgit_diff_tree(const unsigned char *old_sha1,
297 const unsigned char *new_sha1, 298 const unsigned char *new_sha1,
298 filepair_fn fn, const char *prefix) 299 filepair_fn fn, const char *prefix)
299{ 300{
300 struct diff_options opt; 301 struct diff_options opt;
301 int ret; 302 int ret;
302 int prefixlen; 303 int prefixlen;
303 304
304 diff_setup(&opt); 305 diff_setup(&opt);
305 opt.output_format = DIFF_FORMAT_CALLBACK; 306 opt.output_format = DIFF_FORMAT_CALLBACK;
306 opt.detect_rename = 1; 307 opt.detect_rename = 1;
307 opt.rename_limit = ctx.cfg.renamelimit; 308 opt.rename_limit = ctx.cfg.renamelimit;
308 DIFF_OPT_SET(&opt, RECURSIVE); 309 DIFF_OPT_SET(&opt, RECURSIVE);
309 opt.format_callback = cgit_diff_tree_cb; 310 opt.format_callback = cgit_diff_tree_cb;
310 opt.format_callback_data = fn; 311 opt.format_callback_data = fn;
311 if (prefix) { 312 if (prefix) {
312 opt.nr_paths = 1; 313 opt.nr_paths = 1;
313 opt.paths = &prefix; 314 opt.paths = &prefix;
314 prefixlen = strlen(prefix); 315 prefixlen = strlen(prefix);
315 opt.pathlens = &prefixlen; 316 opt.pathlens = &prefixlen;
316 } 317 }
317 diff_setup_done(&opt); 318 diff_setup_done(&opt);
318 319
319 if (old_sha1 && !is_null_sha1(old_sha1)) 320 if (old_sha1 && !is_null_sha1(old_sha1))
320 ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt); 321 ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt);
321 else 322 else
322 ret = diff_root_tree_sha1(new_sha1, "", &opt); 323 ret = diff_root_tree_sha1(new_sha1, "", &opt);
323 diffcore_std(&opt); 324 diffcore_std(&opt);
324 diff_flush(&opt); 325 diff_flush(&opt);
325} 326}
326 327
327void cgit_diff_commit(struct commit *commit, filepair_fn fn) 328void cgit_diff_commit(struct commit *commit, filepair_fn fn)
328{ 329{
329 unsigned char *old_sha1 = NULL; 330 unsigned char *old_sha1 = NULL;
330 331
331 if (commit->parents) 332 if (commit->parents)
332 old_sha1 = commit->parents->item->object.sha1; 333 old_sha1 = commit->parents->item->object.sha1;
333 cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL); 334 cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
334} 335}
335 336
336int cgit_parse_snapshots_mask(const char *str) 337int cgit_parse_snapshots_mask(const char *str)
337{ 338{
338 const struct cgit_snapshot_format *f; 339 const struct cgit_snapshot_format *f;
339 static const char *delim = " \t,:/|;"; 340 static const char *delim = " \t,:/|;";
340 int tl, sl, rv = 0; 341 int tl, sl, rv = 0;
341 342
342 /* favor legacy setting */ 343 /* favor legacy setting */
343 if(atoi(str)) 344 if(atoi(str))
344 return 1; 345 return 1;
345 for(;;) { 346 for(;;) {
346 str += strspn(str,delim); 347 str += strspn(str,delim);
347 tl = strcspn(str,delim); 348 tl = strcspn(str,delim);
348 if (!tl) 349 if (!tl)
349 break; 350 break;
350 for (f = cgit_snapshot_formats; f->suffix; f++) { 351 for (f = cgit_snapshot_formats; f->suffix; f++) {
351 sl = strlen(f->suffix); 352 sl = strlen(f->suffix);
352 if((tl == sl && !strncmp(f->suffix, str, tl)) || 353 if((tl == sl && !strncmp(f->suffix, str, tl)) ||
353 (tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) { 354 (tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) {
354 rv |= f->bit; 355 rv |= f->bit;
355 break; 356 break;
356 } 357 }
357 } 358 }
358 str += tl; 359 str += tl;
359 } 360 }
360 return rv; 361 return rv;
361} 362}
362 363
363int cgit_open_filter(struct cgit_filter *filter) 364int cgit_open_filter(struct cgit_filter *filter)
364{ 365{
365 366
366 filter->old_stdout = chk_positive(dup(STDOUT_FILENO), 367 filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
367 "Unable to duplicate STDOUT"); 368 "Unable to duplicate STDOUT");
368 chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess"); 369 chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
369 filter->pid = chk_non_negative(fork(), "Unable to create subprocess"); 370 filter->pid = chk_non_negative(fork(), "Unable to create subprocess");
370 if (filter->pid == 0) { 371 if (filter->pid == 0) {
371 close(filter->pipe_fh[1]); 372 close(filter->pipe_fh[1]);
372 chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO), 373 chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
373 "Unable to use pipe as STDIN"); 374 "Unable to use pipe as STDIN");
374 execvp(filter->cmd, filter->argv); 375 execvp(filter->cmd, filter->argv);
375 die("Unable to exec subprocess %s: %s (%d)", filter->cmd, 376 die("Unable to exec subprocess %s: %s (%d)", filter->cmd,
376 strerror(errno), errno); 377 strerror(errno), errno);
377 } 378 }
378 close(filter->pipe_fh[0]); 379 close(filter->pipe_fh[0]);
379 chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO), 380 chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO),
380 "Unable to use pipe as STDOUT"); 381 "Unable to use pipe as STDOUT");
381 close(filter->pipe_fh[1]); 382 close(filter->pipe_fh[1]);
382 return 0; 383 return 0;
383} 384}
384 385
385int cgit_close_filter(struct cgit_filter *filter) 386int cgit_close_filter(struct cgit_filter *filter)
386{ 387{
387 chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO), 388 chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
388 "Unable to restore STDOUT"); 389 "Unable to restore STDOUT");
389 close(filter->old_stdout); 390 close(filter->old_stdout);
390 if (filter->pid < 0) 391 if (filter->pid < 0)
391 return 0; 392 return 0;
392 waitpid(filter->pid, &filter->exitstatus, 0); 393 waitpid(filter->pid, &filter->exitstatus, 0);
393 if (WIFEXITED(filter->exitstatus) && !WEXITSTATUS(filter->exitstatus)) 394 if (WIFEXITED(filter->exitstatus) && !WEXITSTATUS(filter->exitstatus))
394 return 0; 395 return 0;
395 die("Subprocess %s exited abnormally", filter->cmd); 396 die("Subprocess %s exited abnormally", filter->cmd);
396} 397}
397 398
398/* Read the content of the specified file into a newly allocated buffer, 399/* Read the content of the specified file into a newly allocated buffer,
399 * zeroterminate the buffer and return 0 on success, errno otherwise. 400 * zeroterminate the buffer and return 0 on success, errno otherwise.
400 */ 401 */
401int readfile(const char *path, char **buf, size_t *size) 402int readfile(const char *path, char **buf, size_t *size)
402{ 403{
403 int fd, e; 404 int fd, e;
404 struct stat st; 405 struct stat st;
405 406
406 fd = open(path, O_RDONLY); 407 fd = open(path, O_RDONLY);
407 if (fd == -1) 408 if (fd == -1)
408 return errno; 409 return errno;
409 if (fstat(fd, &st)) { 410 if (fstat(fd, &st)) {
410 e = errno; 411 e = errno;
411 close(fd); 412 close(fd);
412 return e; 413 return e;
413 } 414 }
414 if (!S_ISREG(st.st_mode)) { 415 if (!S_ISREG(st.st_mode)) {
415 close(fd); 416 close(fd);
416 return EISDIR; 417 return EISDIR;
417 } 418 }
418 *buf = xmalloc(st.st_size + 1); 419 *buf = xmalloc(st.st_size + 1);
419 *size = read_in_full(fd, *buf, st.st_size); 420 *size = read_in_full(fd, *buf, st.st_size);
420 e = errno; 421 e = errno;
421 (*buf)[*size] = '\0'; 422 (*buf)[*size] = '\0';
422 close(fd); 423 close(fd);
423 return (*size == st.st_size ? 0 : e); 424 return (*size == st.st_size ? 0 : e);
424} 425}