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2da5244e83
This allows GDB to print values, but also allows us to use them in 'case' statements. This wasn't allowed before because they're not constant terms. This also made it clear there's a clash between two error codes, so move one. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Changelog-Changed: JSON-RPC: Error code from bcli plugin changed from 400 to 500.
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* These functions must be supplied by any binary linking with common/param
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* so it can fail commands. */
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#ifndef LIGHTNING_COMMON_JSON_COMMAND_H
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#define LIGHTNING_COMMON_JSON_COMMAND_H
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#include "config.h"
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#include <ccan/compiler/compiler.h>
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#include <common/json_parse.h>
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#include <common/jsonrpc_errors.h>
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struct command;
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struct command_result;
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/* Caller supplied this: param assumes it can call it. */
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struct command_result *command_fail(struct command *cmd, enum jsonrpc_errcode code,
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const char *fmt, ...)
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PRINTF_FMT(3, 4) WARN_UNUSED_RESULT RETURNS_NONNULL;
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/* Convenient wrapper for "paramname: msg: invalid token '.*%s'" */
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static inline struct command_result *
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command_fail_badparam(struct command *cmd,
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const char *paramname,
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const char *buffer,
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const jsmntok_t *tok,
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const char *msg)
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{
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return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
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"%s: %s: invalid token '%.*s'",
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paramname, msg,
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json_tok_full_len(tok),
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json_tok_full(buffer, tok));
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}
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/* Also caller supplied: is this invoked simply to get usage? */
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bool command_usage_only(const struct command *cmd);
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/* If so, this is called. */
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void command_set_usage(struct command *cmd, const char *usage);
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/* Also caller supplied: is this invoked simply to check parameters? */
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bool command_check_only(const struct command *cmd);
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#endif /* LIGHTNING_COMMON_JSON_COMMAND_H */
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