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fix UB with ctype functions - tscrape - twitter scraper |
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git clone git://git.codemadness.org/tscrape |
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--- |
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commit 1bd861708376c35e3b43e9e0720ff5248d3050d3 |
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parent aec6f674a5888e14a217ae1944ca2d3d0e790a6a |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Fri, 7 Sep 2018 19:35:38 +0200 |
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fix UB with ctype functions |
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Diffstat: |
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M tscrape.c | 5 +++-- |
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1 file changed, 3 insertions(+), 2 deletions(-) |
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--- |
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diff --git a/tscrape.c b/tscrape.c |
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@@ -74,7 +74,8 @@ isclassmatch(const char *classes, const char *clss, size_t le… |
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if (!(p = strstr(classes, clss))) |
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return 0; |
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- return (p == classes || isspace(p[-1])) && (isspace(p[len]) || !p[len]… |
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+ return (p == classes || isspace((unsigned char)p[-1])) && |
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+ (isspace((unsigned char)p[len]) || !p[len]); |
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} |
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/* convert XML and some HTML entities */ |
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@@ -161,7 +162,7 @@ xmltagstartparsed(XMLParser *x, const char *t, size_t tl, i… |
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datatime[0] = '\0'; |
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} |
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} |
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- if ((state & Text) && !strcmp(t, "a") && !isspace(text[0])) |
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+ if ((state & Text) && !strcmp(t, "a") && !isspace((unsigned char)text[… |
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strlcat(text, " ", sizeof(text)); |
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} |
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