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Review getgoal code.

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This commit is contained in:
Renaud 2015-03-16 10:46:51 +08:00
parent 80cbd37f5c
commit 87350f4c16
2 changed files with 23 additions and 25 deletions
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2
Makefile
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@ -87,7 +87,7 @@ lint: ${SRC}
cat lintout
splint:
splint -weak $(DEFINES) $(SRC) -booltype boolean -booltrue TRUE -boolfalse FALSE +posixlib
splint -weak $(DEFINES) $(SRC) -booltype boolean -booltrue TRUE -boolfalse FALSE +posixlib +matchanyintegral
errs:
@rm -f makeout

46
basic.c
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@ -38,35 +38,33 @@ int curgoal ; /* Goal for C-P, C-N */
* column, return the best choice for the offset. The offset is returned.
* Used by "C-N" and "C-P".
*/
static int getgoal(struct line *dlp)
{
int col;
int newcol;
int dbo;
int len = llength(dlp);
static unsigned getgoal( struct line *dlp) {
int col ;
unsigned idx ;
const unsigned len = llength( dlp) ;
col = 0;
dbo = 0;
while (dbo != len) {
unicode_t c;
int width = utf8_to_unicode(dlp->l_text, dbo, len, &c);
newcol = col;
col = 0 ;
idx = 0 ;
while( idx < len) {
unicode_t c ;
unsigned width = utf8_to_unicode( dlp->l_text, idx, len, &c) ;
/* Take tabs, ^X and \xx hex characters into account */
if (c == '\t')
newcol |= tabmask;
else if (c < 0x20 || c == 0x7F)
++newcol;
else if (c >= 0x80 && c <= 0xa0)
newcol += 2;
if( c == '\t')
col |= tabmask ;
else if( c < 0x20 || c == 0x7F)
col += 1 ;
else if( c >= 0x80 && c <= 0xA0)
col += 2 ;
++newcol;
if (newcol > curgoal)
break;
col = newcol;
dbo += width;
col += 1 ;
if( col > curgoal)
break ;
idx += width ;
}
return dbo;
return idx ;
}
/*