struct encoding *
get_path_encoding(const char *path, struct encoding *default_encoding)
{
const char *check_attr_argv[] = {
"git", "check-attr", "encoding", "--", path, NULL
};
char buf[SIZEOF_STR];
char *encoding;
/* <path>: encoding: <encoding> */
if (!*path || !io_run_buf(check_attr_argv, buf, sizeof(buf))
|| !(encoding = strstr(buf, ENCODING_SEP)))
return default_encoding;
encoding += STRING_SIZE(ENCODING_SEP);
if (!strcmp(encoding, ENCODING_UTF8)
|| !strcmp(encoding, "unspecified")
|| !strcmp(encoding, "set")) {
const char *file_argv[] = {
"file", "-I", "--", path, NULL
};
if (!*path || !io_run_buf(file_argv, buf, sizeof(buf))
|| !(encoding = strstr(buf, CHARSET_SEP)))
return default_encoding;
encoding += STRING_SIZE(CHARSET_SEP);
}
return encoding_open(encoding);
}
static enum status_code
parse_encoding(struct encoding **encoding_ref, const char *arg, bool priority)
{
char buf[SIZEOF_STR];
enum status_code code = parse_string(buf, arg, sizeof(buf));
if (code == SUCCESS) {
struct encoding *encoding = *encoding_ref;
if (encoding && !priority)
return code;
encoding = encoding_open(buf);
if (encoding)
*encoding_ref = encoding;
}
return code;
}
