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tweaks: reorder some ifs, to reduce the average number of comparisons

master
Benno Schulenberg 2018-12-30 17:50:10 +01:00
parent 4d55748999
commit 7a2c851dfc
1 changed files with 11 additions and 11 deletions
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22
src/winio.c
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@ -1508,20 +1508,20 @@ long get_unicode_kbinput(WINDOW *win, int kbinput)
* Ctrl-8 == Ctrl-? */
int get_control_kbinput(int kbinput)
{
if ('@' <= kbinput && kbinput <= '_')
return kbinput - '@';
if ('`' <= kbinput && kbinput <= '~')
return kbinput - '`';
if ('3' <= kbinput && kbinput <= '7')
return kbinput - 24;
if (kbinput == '?' || kbinput == '8')
return DEL_CODE;
if (kbinput == ' ' || kbinput == '2')
return 0;
else if (kbinput == '/')
if (kbinput == '/')
return 31;
else if ('3' <= kbinput && kbinput <= '7')
return kbinput - 24;
else if (kbinput == '8' || kbinput == '?')
return DEL_CODE;
else if ('@' <= kbinput && kbinput <= '_')
return kbinput - '@';
else if ('`' <= kbinput && kbinput <= '~')
return kbinput - '`';
else
return kbinput;
return kbinput;
}
/* Read in a stream of characters verbatim, and return the length of the