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signed types: add handlers for signed types

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We're adding signed types to the spec! This adds the support mechanisms
for them.
This commit is contained in:
Dustin Dettmer
2023-05-05 15:10:53 -04:00
committed by Rusty Russell
parent ad592d8b0d
commit aba4d18ed1
19 changed files with 266 additions and 77 deletions
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24
common/json_parse.c
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@@ -23,30 +23,6 @@
#include <stdio.h>
#include <wire/onion_wire.h>
bool json_to_s64(const char *buffer, const jsmntok_t *tok, s64 *num)
{
char *end;
long long l;
l = strtoll(buffer + tok->start, &end, 0);
if (end != buffer + tok->end)
return false;
BUILD_ASSERT(sizeof(l) >= sizeof(*num));
*num = l;
/* Check for overflow/underflow */
if ((l == LONG_MAX || l == LONG_MIN) && errno == ERANGE)
return false;
/* Check if the number did not fit in `s64` (in case `long long`
is a bigger type). */
if (*num != l)
return false;
return true;
}
bool json_to_millionths(const char *buffer, const jsmntok_t *tok,
u64 *millionths)
{