tMatch leading ^ in regexp with embedded newlines (Roger Peppe) - plan9port - [fork] Plan 9 from user space | |
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--- | |
commit da7f7882a2797fa3b6fbc9886e8a2144625739bb | |
parent d91ab9ea7b4c0587b4ac5bcbddf091a269bd9213 | |
Author: rsc | |
Date: Fri, 18 May 2007 16:43:43 +0000 Match leading ^ in regexp with embedded newlines (Roger Peppe) Diffstat: M src/libregexp/regexec.c | 2 +- M src/libregexp/rregexec.c | 19 +++++++++---------- 2 files changed, 10 insertions(+), 11 deletions(-) --- | |
diff --git a/src/libregexp/regexec.c b/src/libregexp/regexec.c | |
t@@ -58,7 +58,7 @@ regexec1(Reprog *progp, /* program to run */
p = utfrune(s, '\n');
if(p == 0 || s == j->eol)
return match;
- s = p;
+ s = p+1;
break;
}
} | |
diff --git a/src/libregexp/rregexec.c b/src/libregexp/rregexec.c | |
t@@ -25,6 +25,7 @@ rregexec1(Reprog *progp, /* program to run */
Relist* tle; /* ends of this and next list */
Relist* nle;
int match;
+ Rune *p;
match = 0;
checkstart = j->startchar;
t@@ -44,20 +45,18 @@ rregexec1(Reprog *progp, /* program to run */
if(checkstart) {
switch(j->starttype) {
case RUNE:
- while(*s != j->startchar) {
- if(*s == 0 || s == j->reol)
- return match;
- s++;
- }
+ p = runestrchr(s, j->startchar);
+ if(p == 0 || p == j->eol)
+ return match;
+ s = p;
break;
case BOL:
if(s == bol)
break;
- while(*s != '\n') {
- if(*s == 0 || s == j->reol)
- return match;
- s++;
- }
+ p = runestrchr(s, '\n');
+ if(p == 0 || s == j->reol)
+ return match;
+ s = p+1;
break;
}
} |