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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
@@ -379,44 +379,46 @@ int cgit_open_filter(struct cgit_filter *filter)
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);
}