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fix undefined behaviour, cast for ctype functions - smu - smu - simple markup (… |
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git clone git://git.codemadness.org/smu |
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README |
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--- |
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commit 6c46ee93c22968979bf5a6d5024c42247ec6ffeb |
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parent 37f6db9f41353d1f93c9a56f06333f2c5223c7c9 |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Tue, 11 May 2021 02:21:20 +0200 |
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fix undefined behaviour, cast for ctype functions |
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Diffstat: |
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M smu.c | 10 +++++----- |
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1 file changed, 5 insertions(+), 5 deletions(-) |
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--- |
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diff --git a/smu.c b/smu.c |
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@@ -166,11 +166,11 @@ dohtml(const char *begin, const char *end, int newblock) |
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if (nohtml || begin + 2 >= end) |
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return 0; |
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p = begin; |
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- if (p[0] != '<' || !isalpha(p[1])) |
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+ if (p[0] != '<' || !isalpha((unsigned char)p[1])) |
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return 0; |
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p++; |
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tag = p; |
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- for (; isalnum(*p) && p < end; p++) |
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+ for (; isalnum((unsigned char)*p) && p < end; p++) |
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; |
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tagend = p; |
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if (p > end || tag == tagend) |
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@@ -296,11 +296,11 @@ dolink(const char *begin, const char *end, int newblock) |
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sep = p[0]; /* separator: can be " or ' */ |
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title = p + 1; |
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/* strip trailing whitespace */ |
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- for (linkend = p; linkend > link && isspace(*(linkend - 1)); l… |
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+ for (linkend = p; linkend > link && isspace((unsigned char)*(l… |
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; |
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for (titleend = title; titleend < q && *titleend != sep; title… |
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; |
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- for (p = titleend + 1; p < end && isspace(*p); p++) |
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+ for (p = titleend + 1; p < end && isspace((unsigned char)*p); … |
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; |
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/* image dimensions */ |
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if (*p == '=') { |
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@@ -311,7 +311,7 @@ dolink(const char *begin, const char *end, int newblock) |
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} |
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} else { |
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/* strip trailing whitespace */ |
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- for (linkend = q; linkend > link && isspace(*(linkend - 1)); l… |
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+ for (linkend = q; linkend > link && isspace((unsigned char)*(l… |
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; |
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} |
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