Jo-Philipp Wich 14a9306e7d build/i18n-scan.pl: avoid a possible endless loop
Issuing './build/i18n-scan.pl libs/core/' leads to this
endless loop with some perl implementations:

<...>
Use of uninitialized value in concatenation (.) or string at../build/i18n-scan.pl line 69.
substr outside of string at ./build/i18n-scan.pl line 69.
Use of uninitialized value in concatenation (.) or string at ./build/i18n-scan.pl line 69.
substr outside of string at ./build/i18n-scan.pl line 69.
Use of uninitialized value in concatenation (.) or string at ./build/i18n-scan.pl line 69.
substr outside of string at ./build/i18n-scan.pl line 69.
Use of uninitialized value in concatenation (.) or string at ./build/i18n-scan.pl line 69.
substr outside of string at ./build/i18n-scan.pl line 69.
Use of uninitialized value in concatenation (.) or string at ./build/i18n-scan.pl line 69.
substr outside of string at ./build/i18n-scan.pl line 69.
Use of uninitialized value in concatenation (.) or string at ./build/i18n-scan.pl line 69.
substr outside of string at ./build/i18n-scan.pl line 69.
Use of uninitialized value in concatenation (.) or string at ./build/i18n-scan.pl line 69.
substr outside of string at ./build/i18n-scan.pl line 69.
Use of uninitialized value in concatenation (.) or string at ./build/i18n-scan.pl line 69.
substr outside of string at ./build/i18n-scan.pl line 69.
Use of uninitialized value in concatenation (.) or string at ./build/i18n-scan.pl line 69.
substr outside of string at ./build/i18n-scan.pl line 69.
<...>

Experienced with this perl version:
"This is perl, v5.8.8 built for i386-linux"

Fix it by undefining the 'sub' variable if it is an
empty string.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
2012-04-02 22:50:40 +00:00
..
2009-05-19 02:50:52 +00:00
2011-02-16 19:57:39 +00:00
2010-04-16 13:38:27 +00:00
2009-06-20 07:20:56 +00:00
2008-07-29 21:16:12 +00:00