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tFix portability problem in techo() - st - [fork] customized build of st, the s… |
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git clone git://src.adamsgaard.dk/st |
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commit 6530025bcaf3a65083667a93ae50035bd7137bae |
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parent d4a17316d33f3c5a0017d7fe6e7e174883ccaa97 |
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Author: Roberto E. Vargas Caballero <[email protected]> |
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Date: Fri, 15 Aug 2014 14:48:16 +0200 |
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Fix portability problem in techo() |
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ISCONTROL chechks if a value is between 0 and 0x1f or |
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between 0x80 and 0x9f. Char signess depends of architecture |
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and compiler, so in some environment the second case is |
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always false (and wrong), Techo() calls ISCONTROL with a |
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char variable, whose type cannot be changed because tpuc() |
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expects a pointer to char, so the solution is to insert a |
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cast in the call to ISCONTROL. |
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Diffstat: |
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M st.c | 4 ++-- |
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1 file changed, 2 insertions(+), 2 deletions(-) |
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--- |
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diff --git a/st.c b/st.c |
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t@@ -2311,13 +2311,13 @@ techo(char *buf, int len) { |
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for(; len > 0; buf++, len--) { |
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char c = *buf; |
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- if(ISCONTROL(c)) { /* control code */ |
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+ if(ISCONTROL((uchar) c)) { /* control code */ |
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if(c & 0x80) { |
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c &= 0x7f; |
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tputc("^", 1); |
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tputc("[", 1); |
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} else if(c != '\n' && c != '\r' && c != '\t') { |
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- c ^= '\x40'; |
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+ c ^= 0x40; |
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tputc("^", 1); |
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} |
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tputc(&c, 1); |
