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-rw-r--r--shared.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/shared.c b/shared.c
index a27ab30..9362d21 100644
--- a/shared.c
+++ b/shared.c
@@ -307,116 +307,118 @@ void cgit_diff_tree(const unsigned char *old_sha1,
opt.rename_limit = ctx.cfg.renamelimit;
DIFF_OPT_SET(&opt, RECURSIVE);
opt.format_callback = cgit_diff_tree_cb;
opt.format_callback_data = fn;
if (prefix) {
opt.nr_paths = 1;
opt.paths = &prefix;
prefixlen = strlen(prefix);
opt.pathlens = &prefixlen;
}
diff_setup_done(&opt);
if (old_sha1 && !is_null_sha1(old_sha1))
ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt);
else
ret = diff_root_tree_sha1(new_sha1, "", &opt);
diffcore_std(&opt);
diff_flush(&opt);
}
void cgit_diff_commit(struct commit *commit, filepair_fn fn)
{
unsigned char *old_sha1 = NULL;
if (commit->parents)
old_sha1 = commit->parents->item->object.sha1;
cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
}
int cgit_parse_snapshots_mask(const char *str)
{
const struct cgit_snapshot_format *f;
static const char *delim = " \t,:/|;";
int tl, sl, rv = 0;
/* favor legacy setting */
if(atoi(str))
return 1;
for(;;) {
str += strspn(str,delim);
tl = strcspn(str,delim);
if (!tl)
break;
for (f = cgit_snapshot_formats; f->suffix; f++) {
sl = strlen(f->suffix);
if((tl == sl && !strncmp(f->suffix, str, tl)) ||
(tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) {
rv |= f->bit;
break;
}
}
str += tl;
}
return rv;
}
int cgit_open_filter(struct cgit_filter *filter)
{
filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
"Unable to duplicate STDOUT");
chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
filter->pid = chk_non_negative(fork(), "Unable to create subprocess");
if (filter->pid == 0) {
close(filter->pipe_fh[1]);
chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
"Unable to use pipe as STDIN");
execvp(filter->cmd, filter->argv);
die("Unable to exec subprocess %s: %s (%d)", filter->cmd,
strerror(errno), errno);
}
close(filter->pipe_fh[0]);
chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO),
"Unable to use pipe as STDOUT");
close(filter->pipe_fh[1]);
return 0;
}
int cgit_close_filter(struct cgit_filter *filter)
{
chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
"Unable to restore STDOUT");
close(filter->old_stdout);
if (filter->pid < 0)
return 0;
waitpid(filter->pid, &filter->exitstatus, 0);
if (WIFEXITED(filter->exitstatus) && !WEXITSTATUS(filter->exitstatus))
return 0;
die("Subprocess %s exited abnormally", filter->cmd);
}
/* Read the content of the specified file into a newly allocated buffer,
* zeroterminate the buffer and return 0 on success, errno otherwise.
*/
int readfile(const char *path, char **buf, size_t *size)
{
- int fd;
+ int fd, e;
struct stat st;
fd = open(path, O_RDONLY);
if (fd == -1)
return errno;
if (fstat(fd, &st)) {
+ e = errno;
close(fd);
- return errno;
+ return e;
}
if (!S_ISREG(st.st_mode)) {
close(fd);
return EISDIR;
}
*buf = xmalloc(st.st_size + 1);
*size = read_in_full(fd, *buf, st.st_size);
+ e = errno;
(*buf)[*size] = '\0';
close(fd);
- return (*size == st.st_size ? 0 : errno);
+ return (*size == st.st_size ? 0 : e);
}