config.c: handle error case for fstat() calls

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2016-12-19 16:21:55 +07:00 committed by Junio C Hamano
parent 0202c411ed
commit 29647d79a9

View File

@ -2107,7 +2107,12 @@ int git_config_set_multivar_in_file_gently(const char *config_filename,
goto out_free;
}
fstat(in_fd, &st);
if (fstat(in_fd, &st) == -1) {
error_errno(_("fstat on %s failed"), config_filename);
ret = CONFIG_INVALID_FILE;
goto out_free;
}
contents_sz = xsize_t(st.st_size);
contents = xmmap_gently(NULL, contents_sz, PROT_READ,
MAP_PRIVATE, in_fd, 0);
@ -2327,7 +2332,10 @@ int git_config_rename_section_in_file(const char *config_filename,
goto unlock_and_out;
}
fstat(fileno(config_file), &st);
if (fstat(fileno(config_file), &st) == -1) {
ret = error_errno(_("fstat on %s failed"), config_filename);
goto out;
}
if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) {
ret = error_errno("chmod on %s failed",