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Update the UTF-8 decoder (#1741)

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This commit is contained in:
Rangi
2025-07-09 23:13:30 -04:00
committed by GitHub
parent 34cf959c9d
commit a40109e4e4
5 changed files with 62 additions and 52 deletions
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6
src/link/output.cpp
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@@ -272,11 +272,11 @@ static void writeSymName(std::string const &name, FILE *file) {
} else {
// Output illegal characters using Unicode escapes ('\u' or '\U')
// Decode the UTF-8 codepoint; or at least attempt to
uint32_t state = 0, codepoint;
uint32_t state = UTF8_ACCEPT, codepoint;
do {
decode(&state, &codepoint, *ptr);
if (state == 1) {
if (state == UTF8_REJECT) {
// This sequence was invalid; emit a U+FFFD, and recover
codepoint = 0xFFFD;
// Skip continuation bytes
@@ -287,7 +287,7 @@ static void writeSymName(std::string const &name, FILE *file) {
break;
}
++ptr;
} while (state != 0);
} while (state != UTF8_ACCEPT);
fprintf(file, codepoint <= 0xFFFF ? "\\u%04" PRIx32 : "\\U%08" PRIx32, codepoint);
}