diff options
author | Kevin B Kenny <kennykb@acm.org> | 2012-01-08 20:43:56 (GMT) |
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committer | Kevin B Kenny <kennykb@acm.org> | 2012-01-08 20:43:56 (GMT) |
commit | 21cf79b98c38e05e40e0fccfb2a6b00cd9224792 (patch) | |
tree | ebe9219ad6d1f8ef3e4b38b5ebeb54f43e23ac2e | |
parent | c10e130ebd2089f7be1df851914d5690a2065c07 (diff) | |
download | tcl-21cf79b98c38e05e40e0fccfb2a6b00cd9224792.zip tcl-21cf79b98c38e05e40e0fccfb2a6b00cd9224792.tar.gz tcl-21cf79b98c38e05e40e0fccfb2a6b00cd9224792.tar.bz2 |
Fix loading of timezones where one abbreviation is a proper suffix of another [Bug 3470928]
-rw-r--r-- | ChangeLog | 9 | ||||
-rw-r--r-- | library/clock.tcl | 8 | ||||
-rw-r--r-- | tests/clock.test | 148 |
3 files changed, 162 insertions, 3 deletions
@@ -1,3 +1,12 @@ +2012-01-08 Kevin B. Kenny <kennykb@acm.org> + + * library/clock.tcl (ReadZoneinfoFile): Corrected a bug where loading + * tests/clock.test (clock-56.4): zoneinfo would fail if one + timezone abbreviation was a proper tail of another, and zic used the + same bytes of the file to represent both of them. Added a test case + for the bug, using the same data that caused the observed failure + "in the wild." [Bug 3470928] + 2011-12-30 Venkat Iyer <venkat@comit.com> * library/tzdata/America/Bahia : Update to Olson's tzdata2011n diff --git a/library/clock.tcl b/library/clock.tcl index 2e9cae7..32911b3 100644 --- a/library/clock.tcl +++ b/library/clock.tcl @@ -3494,7 +3494,7 @@ proc ::tcl::clock::LoadZoneinfoFile { fileName } { proc ::tcl::clock::ReadZoneinfoFile {fileName fname} { variable MINWIDE variable TZData - if { ![info exists fname] } { + if { ![file exists $fname] } { return -code error "$fileName not found" } @@ -3584,8 +3584,10 @@ proc ::tcl::clock::ReadZoneinfoFile {fileName fname} { set i 0 set abbrevs {} foreach a $abbrList { - dict set abbrevs $i $a - incr i [expr { [string length $a] + 1 }] + for {set j 0} {$j <= [string length $a]} {incr j} { + dict set abbrevs $i [string range $a $j end] + incr i + } } # Package up a list of tuples, each of which contains transition time, diff --git a/tests/clock.test b/tests/clock.test index 917543a..42675a5 100644 --- a/tests/clock.test +++ b/tests/clock.test @@ -36550,6 +36550,154 @@ test clock-56.3 {use of zoneinfo, version 2, Y2038 compliance} {*}{ -result {2040-07-01 00:00:00 PDT} } +test clock-56.4 {Bug 3470928} {*}{ + -setup { + clock format [clock seconds] + set tzdir [makeDirectory zoneinfo] + set tzdir2 [makeDirectory Test $tzdir] + set tzfile [makeFile {} Windhoek $tzdir2] + set f [open $tzfile wb] + puts -nonewline $f [binary format c* { + 0x54 0x5a 0x69 0x66 0x32 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x06 0x00 0x00 + 0x00 0x06 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x5c 0x00 0x00 0x00 + 0x06 0x00 0x00 0x00 0x13 0x82 0x46 0xcf 0x68 0xcc 0xae 0x8c 0x80 + 0xcd 0x9e 0x6f 0x70 0x26 0x06 0xa7 0xe0 0x2d 0x9d 0xea 0xe0 0x2e + 0x69 0x1c 0x10 0x2f 0x7d 0xe9 0x00 0x30 0x48 0xfe 0x10 0x31 0x67 + 0x05 0x80 0x32 0x28 0xe0 0x10 0x33 0x46 0xe7 0x80 0x34 0x11 0xfc + 0x90 0x35 0x26 0xc9 0x80 0x35 0xf1 0xde 0x90 0x37 0x06 0xab 0x80 + 0x37 0xd1 0xc0 0x90 0x38 0xe6 0x8d 0x80 0x39 0xb1 0xa2 0x90 0x3a + 0xc6 0x6f 0x80 0x3b 0x91 0x84 0x90 0x3c 0xaf 0x8c 0x00 0x3d 0x71 + 0x66 0x90 0x3e 0x8f 0x6e 0x00 0x3f 0x5a 0x83 0x10 0x40 0x6f 0x50 + 0x00 0x41 0x3a 0x65 0x10 0x42 0x4f 0x32 0x00 0x43 0x1a 0x47 0x10 + 0x44 0x2f 0x14 0x00 0x44 0xfa 0x29 0x10 0x46 0x0e 0xf6 0x00 0x46 + 0xda 0x0b 0x10 0x47 0xf8 0x12 0x80 0x48 0xc3 0x27 0x90 0x49 0xd7 + 0xf4 0x80 0x4a 0xa3 0x09 0x90 0x4b 0xb7 0xd6 0x80 0x4c 0x82 0xeb + 0x90 0x4d 0x97 0xb8 0x80 0x4e 0x62 0xcd 0x90 0x4f 0x77 0x9a 0x80 + 0x50 0x42 0xaf 0x90 0x51 0x60 0xb7 0x00 0x52 0x22 0x91 0x90 0x53 + 0x40 0x99 0x00 0x54 0x0b 0xae 0x10 0x55 0x20 0x7b 0x00 0x55 0xeb + 0x90 0x10 0x57 0x00 0x5d 0x00 0x57 0xcb 0x72 0x10 0x58 0xe0 0x3f + 0x00 0x59 0xab 0x54 0x10 0x5a 0xc0 0x21 0x00 0x5b 0x8b 0x36 0x10 + 0x5c 0xa9 0x3d 0x80 0x5d 0x6b 0x18 0x10 0x5e 0x89 0x1f 0x80 0x5f + 0x54 0x34 0x90 0x60 0x69 0x01 0x80 0x61 0x34 0x16 0x90 0x62 0x48 + 0xe3 0x80 0x63 0x13 0xf8 0x90 0x64 0x28 0xc5 0x80 0x64 0xf3 0xda + 0x90 0x66 0x11 0xe2 0x00 0x66 0xd3 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