24 lines
777 B
Diff
24 lines
777 B
Diff
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From e165542664e9fe3c155eeb13e16320a07dfbd5fd Mon Sep 17 00:00:00 2001
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From: Max Zerzouri <maxdamantus@gmail.com>
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Date: Sat, 15 May 2021 10:50:15 +0000
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Subject: [PATCH] jv_string_implode: avoid producing unprintable string from
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reserved code points
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---
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src/jv.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/jv.c b/src/jv.c
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index 979d188..1f1029e 100644
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--- a/src/jv.c
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+++ b/src/jv.c
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@@ -725,7 +725,7 @@ jv jv_string_implode(jv j) {
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jv n = jv_array_get(jv_copy(j), i);
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assert(jv_get_kind(n) == JV_KIND_NUMBER);
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int nv = jv_number_value(n);
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- if (nv > 0x10FFFF)
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+ if (nv < 0 || (nv >= 0xD800 && nv <= 0xDFFF) || nv > 0x10FFFF)
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nv = 0xFFFD; // U+FFFD REPLACEMENT CHARACTER
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s = jv_string_append_codepoint(s, nv);
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}
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