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param: upgraded json_tok_label

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Added utility function json_tok_is_num so I would avoid using goto.

Signed-off-by: Mark Beckwith <wythe@intrig.com>
This commit is contained in:
Mark Beckwith
2018-08-23 16:04:38 -05:00
committed by Rusty Russell
parent 4cef0d062c
commit c32f7910cc
3 changed files with 34 additions and 65 deletions
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11
common/json.c
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@@ -119,6 +119,17 @@ bool json_tok_bitcoin_amount(const char *buffer, const jsmntok_t *tok,
return true;
}
bool json_tok_is_num(const char *buffer, const jsmntok_t *tok)
{
if (tok->type != JSMN_PRIMITIVE)
return false;
for (int i = tok->start; i < tok->end; i++)
if (!cisdigit(buffer[i]))
return false;
return true;
}
bool json_tok_is_null(const char *buffer, const jsmntok_t *tok)
{
if (tok->type != JSMN_PRIMITIVE)