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json.c: fix utf-16 surrogate pair range - json2tsv - JSON to TSV converter |
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git clone git://git.codemadness.org/json2tsv |
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--- |
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commit b65bd5139faec35430d342dbce6c3b4bf802f4a8 |
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parent 8128e7fa5d865ac7adff28e7ffb732f0b3b61f58 |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Fri, 22 Jan 2021 00:23:19 +0100 |
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json.c: fix utf-16 surrogate pair range |
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Test-case of a high codepoint: U+10FFFD. |
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Previously incorrect: |
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printf '%s' '["\udbff\udffd"]' | json2tsv | hexdump -C |
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00000000 09 61 09 0a 5b 5d 09 73 09 ed af bf ed bf bd 0a |.a..[].s........| |
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00000010 |
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Now correct: |
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printf '%s' '["\udbff\udffd"]' | ./json2tsv | hexdump -C |
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00000000 09 61 09 0a 5b 5d 09 73 09 f4 8f bf bd 0a |.a..[].s......| |
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0000000e |
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Diffstat: |
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M json.c | 4 ++-- |
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1 file changed, 2 insertions(+), 2 deletions(-) |
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--- |
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diff --git a/json.c b/json.c |
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@@ -152,8 +152,8 @@ escchr: |
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cp |= (hexdigit(c) << … |
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} |
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/* RFC8259 - 7. Strings - surr… |
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- * 0xd800 - 0xdb7f - high surr… |
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- if (cp >= 0xd800 && cp <= 0xdb… |
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+ * 0xd800 - 0xdbff - high surr… |
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+ if (cp >= 0xd800 && cp <= 0xdb… |
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if ((c = GETNEXT()) !=… |
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len += codepoi… |
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goto chr; |
