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build: Fix build on macOS 15 and Nix environment (#7953)

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This commit is contained in:
Ayaz Salikhov
2026-08-05 00:27:23 +01:00
committed by GitHub
parent a75488e5ff
commit 41d6bb5f73
7 changed files with 59 additions and 3 deletions
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12
src/libxrpl/json/json_reader.cpp
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@@ -3,9 +3,11 @@
#include <xrpl/basics/contract.h>
#include <xrpl/json/json_value.h>
#include <fast_float/fast_float.h> // IWYU pragma: keep
#include <fast_float/parse_number.h>
#include <algorithm>
#include <cctype>
#include <charconv>
#include <cstdint>
#include <cstdio>
#include <istream>
@@ -605,8 +607,14 @@ Reader::decodeNumber(Token& token)
bool
Reader::decodeDouble(Token& token)
{
// Sanity check to avoid buffer overflow exploits.
if (token.end < token.start)
{
return addError("Unable to parse token length", token);
}
double value = 0;
auto const [ptr, ec] = std::from_chars(token.start, token.end, value);
auto const [ptr, ec] = fast_float::from_chars(token.start, token.end, value);
// Reject anything from_chars could not turn into a finite double:
// - ec != std::errc{}: no valid conversion, or an out-of-range magnitude