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parse_content_length: be strict and prevent UB - hurl - Gopher/HTTP/HTTPS file … |
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git clone git://git.codemadness.org/hurl |
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--- |
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commit dc438c84e129c666039277f3cd8eb9788dec93e5 |
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parent 85d6ee233ea16724799840840cb19c955cc0842f |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Mon, 9 Aug 2021 18:56:59 +0200 |
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parse_content_length: be strict and prevent UB |
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Diffstat: |
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M hurl.c | 2 +- |
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1 file changed, 1 insertion(+), 1 deletion(-) |
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--- |
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diff --git a/hurl.c b/hurl.c |
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@@ -76,7 +76,7 @@ parse_content_length(const char *s, size_t *length) |
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p += sizeof("\r\nContent-Length:") - 1; |
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p += strspn(p, " \t"); |
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- if (!isdigit(*p)) |
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+ if (!isdigit((unsigned char)*p)) |
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return -1; |
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errno = 0; |
