fmt: Fix C++ string assertion when buf is empty #3929
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Signed-off-by: gatecat <[email protected]>
povik
approved these changes
Sep 12, 2023
| @@ -740,7 +740,7 @@ std::string Fmt::render() const | |||
| log_assert(part.width == 0 || part.padding != '\0'); | |||
| if (part.justify == FmtPart::RIGHT && buf.size() < part.width) { | |||
| size_t pad_width = part.width - buf.size(); | |||
| if (part.padding == '0' && (buf.front() == '+' || buf.front() == '-')) { | |||
| if (part.padding == '0' && (!buf.empty() && (buf.front() == '+' || buf.front() == '-'))) { | |||
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As a nit there seems to be one set of parentheses too many, otherwise LGTM, great to have this fixed
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Fixes #3923