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-rw-r--r--application/config/constants.php36
1 files changed, 36 insertions, 0 deletions
diff --git a/application/config/constants.php b/application/config/constants.php
index 58264ed5a..dc84712cd 100644
--- a/application/config/constants.php
+++ b/application/config/constants.php
@@ -73,6 +73,42 @@ define('FOPEN_READ_WRITE_CREATE_STRICT', 'x+b');
*/
define('SHOW_DEBUG_BACKTRACE', TRUE);
+/*
+|--------------------------------------------------------------------------
+| Exit Status Codes
+|--------------------------------------------------------------------------
+|
+| Used to indicate the conditions under which the script is exit()ing.
+| While there is no universal standard for error codes, there are some
+| broad conventions. Three such conventions are mentioned below, for
+| those who wish to make use of them. The CodeIgniter defaults were
+| chosen for the least overlap with these conventions, while still
+| leaving room for others to be defined in future versions and user
+| applications.
+|
+| The three main conventions used for determining exit status codes
+| are as follows:
+|
+| Standard C/C++ Library (stdlibc):
+| http://www.gnu.org/software/libc/manual/html_node/Exit-Status.html
+| (This link also contains other GNU-specific conventions)
+| BSD sysexits.h:
+| http://www.gsp.com/cgi-bin/man.cgi?section=3&topic=sysexits
+| Bash scripting:
+| http://tldp.org/LDP/abs/html/exitcodes.html
+|
+*/
+define('EXIT_SUCCESS', 0); // no errors
+define('EXIT_ERROR', 1); // generic error
+define('EXIT_CONFIG', 3); // configuration error
+define('EXIT_UNKNOWN_FILE', 4); // file not found
+define('EXIT_UNKNOWN_CLASS', 5); // unknown class
+define('EXIT_UNKNOWN_METHOD', 6); // unknown class member
+define('EXIT_USER_INPUT', 7); // invalid user input
+define('EXIT_DATABASE', 8); // database error
+define('EXIT__AUTO_MIN', 9); // lowest automatically-assigned error code
+define('EXIT__AUTO_MAX', 125); // highest automatically-assigned error code
+
/* End of file constants.php */
/* Location: ./application/config/constants.php */ \ No newline at end of file