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Comment explaining `need_save' argument to cmdline_process_param().

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[originally from svn r4349]
This commit is contained in:
Jacob Nevins 2004-07-24 19:25:49 +00:00
parent 09e44d8e40
commit 8ef84a8a21
1 changed files with 6 additions and 0 deletions
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6
cmdline.c
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@ -111,6 +111,12 @@ static int cmdline_check_unavailable(int flag, char *p)
* Process a standard command-line parameter. `p' is the parameter * Process a standard command-line parameter. `p' is the parameter
* in question; `value' is the subsequent element of argv, which * in question; `value' is the subsequent element of argv, which
* may or may not be required as an operand to the parameter. * may or may not be required as an operand to the parameter.
* If `need_save' is 1, arguments which need to be saved as
* described at this top of this file are, for later execution;
* if 0, they are processed normally. (-1 is a special value used
* by pterm to count arguments for a preliminary pass through the
* argument list; it causes immediate return with an appropriate
* value with no action taken.)
* Return value is 2 if both arguments were used; 1 if only p was * Return value is 2 if both arguments were used; 1 if only p was
* used; 0 if the parameter wasn't one we recognised; -2 if it * used; 0 if the parameter wasn't one we recognised; -2 if it
* should have been 2 but value was NULL. * should have been 2 but value was NULL.