Patches applied to file 5.14 sources tree before generating magic.mgc and before running create_data_file.php to create data_file.c. From ef2329cf71acb59204dd981e2c6cce6c81fe467c Mon Sep 17 00:00:00 2001 From: Christos Zoulas Date: Mon, 25 Mar 2013 14:06:55 +0000 Subject: [PATCH] limit to 100 repetitions to avoid excessive backtracking Carsten Wolff --- magic/Magdir/commands | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/magic/Magdir/commands b/magic/Magdir/commands index 67c3eee..4a7d8dd 100644 --- a/magic/Magdir/commands +++ b/magic/Magdir/commands @@ -49,7 +49,7 @@ !:mime text/x-awk 0 string/wt #!\ /usr/bin/awk awk script text executable !:mime text/x-awk -0 regex =^\\s*BEGIN\\s*[{] awk script text +0 regex =^\\s{0,100}BEGIN\\s{0,100}[{] awk script text # AT&T Bell Labs' Plan 9 shell 0 string/wt #!\ /bin/rc Plan 9 rc shell script text executable -- 1.8.5.5 From 0b478f445b6b7540b58af5d1fe583fa9e48fd745 Mon Sep 17 00:00:00 2001 From: Christos Zoulas Date: Wed, 28 May 2014 19:52:36 +0000 Subject: [PATCH] further optimize awk by not looking for the BEGIN regex until we found the BEGIN (Jan Kaluza) --- magic/Magdir/commands | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/magic/Magdir/commands b/magic/Magdir/commands index bfffdef..26b2869 100644 --- a/magic/Magdir/commands +++ b/magic/Magdir/commands @@ -49,7 +49,8 @@ !:mime text/x-awk 0 string/wt #!\ /usr/bin/awk awk script text executable !:mime text/x-awk -0 regex =^\\s{0,100}BEGIN\\s{0,100}[{] awk script text +0 search/16384 BEGIN +>0 regex =^\\s{0,100}BEGIN\\s{0,100}[{] awk script text # AT&T Bell Labs' Plan 9 shell 0 string/wt #!\ /bin/rc Plan 9 rc shell script text executable -- 2.0.3 From 71a8b6c0d758acb0f73e2e51421a711b5e9d6668 Mon Sep 17 00:00:00 2001 From: Christos Zoulas Date: Fri, 30 May 2014 16:48:44 +0000 Subject: [PATCH] Limit regex search for BEGIN to the first 4K of the file. --- magic/Magdir/commands | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/magic/Magdir/commands b/magic/Magdir/commands index 26b2869..bcd0f43 100644 --- a/magic/Magdir/commands +++ b/magic/Magdir/commands @@ -49,8 +49,7 @@ !:mime text/x-awk 0 string/wt #!\ /usr/bin/awk awk script text executable !:mime text/x-awk -0 search/16384 BEGIN ->0 regex =^\\s{0,100}BEGIN\\s{0,100}[{] awk script text +0 regex/4096 =^\\s{0,100}BEGIN\\s{0,100}[{] awk script text # AT&T Bell Labs' Plan 9 shell 0 string/wt #!\ /bin/rc Plan 9 rc shell script text executable -- 2.0.3