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authorDaniel Hunsaker <danhunsaker@gmail.com>2013-02-23 03:17:56 +0100
committerDaniel Hunsaker <danhunsaker@gmail.com>2013-02-23 03:18:51 +0100
commit3b5b7f48848d098c6190781f8790a1b0dcb0217c (patch)
treeaf75fafeb3c822b720ee3da9b23b9d7a9e6ba020 /application/libraries
parent44a6d1da2be916fe0f23a3ea4d5fcb391d7f65dd (diff)
Updated exit codes as constant values
Re-allocated exit status codes according to three references, which follow: BSD sysexits.h:http://www.gsp.com/cgi-bin/man.cgi?section=3&topic=sysexits GNU recomendations:http://www.gnu.org/software/libc/manual/html_node/Exit-Status.html Bash scripting:http://tldp.org/LDP/abs/html/exitcodes.html The GNU recommendations stem from and expand upon the standard C/C++ library (stdlibc) definitions, while also suggesting some best-practice conventions which happen to prevent exit status code collisions with bash, and probably other shells. The re-allocated codes are now mapped to constant values, set in *application/config/constants.php*, and used throughout the CodeIgniter core. They would additionally be used in *index.php*, but the constants file hasn't been loaded at that point, so the integer values are used instead, and a comment follows each such use with amplifying information on why that particular value was selected. Finally, the errors documentation has been updated accordingly. Signed-off-by: Daniel Hunsaker <danhunsaker@gmail.com>
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