* [9front] plumber bug when matching with click attribute
@ 2020-12-28 10:20 umbraticus
0 siblings, 0 replies; only message in thread
From: umbraticus @ 2020-12-28 10:20 UTC (permalink / raw)
To: 9front
In spite of the comment in the source, plumber was not calculating
the offset of a click attribute into the string correctly.
umbraticus
diff -r 54bd41c74f5f sys/src/cmd/plumb/match.c
--- a/sys/src/cmd/plumb/match.c Sun Dec 27 23:39:28 2020 +0100
+++ b/sys/src/cmd/plumb/match.c Mon Dec 28 23:12:21 2020 +1300
@@ -48,13 +48,12 @@
clickmatch(Reprog *re, char *text, Resub rs[10], int click)
{
char *clickp;
- int i, w;
+ int i;
Rune r;
/* click is in characters, not bytes */
- for(i=0; i<click && text[i]!='\0'; i+=w)
- w = chartorune(&r, text+i);
- clickp = text+i;
+ for(i=0, clickp=text; i<click && *clickp!='\0'; i++)
+ clickp += chartorune(&r, clickp);
for(i=0; i<=click; i++){
memset(rs, 0, 10*sizeof(Resub));
if(regexec(re, text+i, rs, 10))
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2020-12-28 10:20 [9front] plumber bug when matching with click attribute umbraticus
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