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Fixed range check for grayscale output

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This commit is contained in:
Bob Polis 2022-01-14 10:56:04 +01:00
parent 387c07210e
commit 1629622bff
1 changed files with 1 additions and 1 deletions
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2
src/iomanip.cpp
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@ -1,7 +1,7 @@
#include "iomanip.hpp" #include "iomanip.hpp"
static std::ostream& gray(std::ostream& out, int val, int code) { static std::ostream& gray(std::ostream& out, int val, int code) {
if (val < 0 || val > 24) { if (val < 0 || val > 23) {
throw std::invalid_argument("gray value out of range"); throw std::invalid_argument("gray value out of range");
} }
out << "\x1b[" << code << ";5;" << 232 + val << "m"; out << "\x1b[" << code << ";5;" << 232 + val << "m";