diff mbox series

[iproute2] tc/lexer: let quotes actually start strings

Message ID 20180118103236.32494-2-w.bumiller@proxmox.com
State Superseded, archived
Delegated to: stephen hemminger
Headers show
Series nbyte, cmp and text filter fixups | expand

Commit Message

Wolfgang Bumiller Jan. 18, 2018, 10:32 a.m. UTC 
The lexer will go with the longest match, so previously
the starting double quotes of a string would be swallowed by
the [^ \t\r\n()]+ pattern leaving the user no way to
actually use strings with escape sequences.
Fix this by not allowing this case to start with double
quotes.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
---
 tc/emp_ematch.l | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tc/emp_ematch.l b/tc/emp_ematch.l
index dc106759..d7a99304 100644
--- a/tc/emp_ematch.l
+++ b/tc/emp_ematch.l
@@ -137,7 +137,7 @@ 
 ")"					{
 						return yylval.i = *yytext;
 					}
-[^ \t\r\n()]+				{
+[^" \t\r\n()][^ \t\r\n()]*		{
 						yylval.b = bstr_alloc(yytext);
 						if (yylval.b == NULL)
 							return ERROR;