Function parse_feature_value

connect.c:614–659

}

const char *parse_feature_value(const char *feature_list, const char *feature, size_t *lenp, size_t *offset)
{
	const char *orig_start = feature_list;
	size_t len;

	if (!feature_list)
		return NULL;

	len = strlen(feature);
	if (offset)
		feature_list += *offset;
	while (*feature_list) {
		const char *found = strstr(feature_list, feature);
		if (!found)
			return NULL;
		if (feature_list == found || isspace(found[-1])) {
			const char *value = found + len;
			/* feature with no value (e.g., "thin-pack") */
			if (!*value || isspace(*value)) {
				if (lenp)
					*lenp = 0;
				if (offset)
					*offset = found + len - orig_start;
				return value;
			}
			/* feature with a value (e.g., "agent=git/1.2.3-Linux") */
			else if (*value == '=') {
				size_t end;

				value++;
				end = strcspn(value, " \t\n");
				if (lenp)
					*lenp = end;
				if (offset)
					*offset = value + end - orig_start;
				return value;
			}
			/*
			 * otherwise we matched a substring of another feature;
			 * keep looking
			 */
		}
		feature_list = found + 1;
	}
	return NULL;
}

int server_supports_hash(const char *desired, int *feature_supported)
{