343409 - corrupted string arguments passed to javascript implementation of mozIStorageFunction.onFunctionCall

Status: RESOLVED INCOMPLETE

(Core :: SQLite and Embedded Database Bindings, defect)

Description

[Jan Matousek]

User-Agent:       Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.1) Gecko/20060130 SeaMonkey/1.0
Build Identifier: ftp://ftp.mozilla.org/pub/mozilla.org/xulrunner/nightly/2006-07-01-09-trunk/xulrunner-1.9a1.en-US.linux-i686.tar.bz2

Strings, that are passed as arguments to SQLite user function (javascript implementation!), are twice as long as should be. The beginning of string contain valid data, the rest contain zero characters.

Reproducible: Always

Steps to Reproduce:
1. run attached javascript in xpcshell and see output.
Actual Results:  
Arg length: 8
0 = 52 (52)
1 = 32
2 = 99 (99)
3 = 104 (104)
4 = 0
5 = 0
6 = 0
7 = 0
Should be: 4 ch(length: 4)
Arg length: 12
0 = 54 (54)
1 = 32
2 = 99 (99)
3 = 104 (104)
4 = 97 (97)
5 = 114 (114)
6 = 0
7 = 0
8 = 0
9 = 0
10 = 0
11 = 0
Should be: 6 char(length: 6)
Arg length: 16
0 = 56 (56)
1 = 32
2 = 99 (99)
3 = 104 (104)
4 = 97 (97)
5 = 114 (114)
6 = 97 (97)
7 = 99 (99)
8 = 0
9 = 0
10 = 0
11 = 0
12 = 0
13 = 0
14 = 0
15 = 0
Should be: 8 charac(length: 8)
Arg length: 20
0 = 49 (49)
1 = 48 (48)
2 = 32
3 = 99 (99)
4 = 104 (104)
5 = 97 (97)
6 = 114 (114)
7 = 97 (97)
8 = 99 (99)
9 = 116 (116)
10 = 0
11 = 0
12 = 0
13 = 0
14 = 0
15 = 0
16 = 0
17 = 0
18 = 0
19 = 0
Should be: 10 charact(length: 10)



workaround:

fix every string argument of user functions like this:

str = (str.indexOf("\0") == -1) ? str : str.substr(0, str.indexOf("\0"));

Comment 1

[Jan Matousek]

Attachment: affected code example

Comment 2

[Shawn Wilsher :sdwilsh]

Is this still valid Jan?

Comment 3

[Shawn Wilsher :sdwilsh]

Haven't heard from the reporter, and I'm pretty sure this issue doesn't exists anymore.