core-lightning/common/json_escaped.h
Rusty Russell d92579f627 common/json_escaped: new type which explicitly notes a string is already JSON.
Trivial to use as a string, but it still means you should be careful
around it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-03-26 00:20:53 +00:00

37 lines
1.1 KiB
C

#ifndef LIGHTNING_COMMON_JSON_ESCAPED_H
#define LIGHTNING_COMMON_JSON_ESCAPED_H
#include "config.h"
#include <common/json.h>
/* Type differentiation for a correctly-escaped JSON string */
struct json_escaped {
/* NUL terminated string. */
char s[1];
};
/* @str be a valid UTF-8 string */
struct json_escaped *json_escape(const tal_t *ctx, const char *str TAKES);
/* Extract a JSON-escaped string. */
struct json_escaped *json_tok_escaped_string(const tal_t *ctx,
const char *buffer,
const jsmntok_t *tok);
/* Is @esc equal to @str */
bool json_escaped_streq(const struct json_escaped *esc, const char *str);
/* Are two escaped json strings identical? */
bool json_escaped_eq(const struct json_escaped *a,
const struct json_escaped *b);
void json_add_escaped_string(struct json_result *result,
const char *fieldname,
const struct json_escaped *esc TAKES);
/* Internal routine for creating json_escaped from bytes. */
struct json_escaped *json_escaped_string_(const tal_t *ctx,
const void *bytes, size_t len);
#endif /* LIGHTNING_COMMON_JSON_ESCAPED_H */