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/* WhereAmI * * A category of Application that provides methods for finding the * application executable and executable directory. * * Copyright 1991, 1992 Scott Hess. This source code may be * redistributed and modified without restriction. Well, one * restriction - do not claim that you wrote it. * * Scott Hess * 12901 Upton Avenue South, #326 * Burnsville, MN 55337 * (612) 895-1208 * scott@gac.edu * shess@ssesco.com */ #import <appkit/Application.h> @interface Application (WhereAmI) /* I store this category in an ar(1) library of code shared between * a number of applications. Unfortunately, categories generate no * symbols that allow them to be pulled from the library on link. I * put "whereAmIReference=0;" somewhere else in the app just to * reference the object module and make certain it's in the app. Most * people can simply ignore this ... */ extern int whereAmIReference; /* Return the path to the executable, if possible. Searches the * PATH environment variable, if needed. Also, traces symbolic links * if required. */ -(NXAtom)whoAmI; /* Returns the directory in which the executable resides. Uses * -whoAmI and then strips the last path segment. */ -(NXAtom)whereAmI; /* Finds the path to the file specified by file relative to the * application's executable directory. Places the path in result and * returns result if successful. Returns NULL with result=="" if it * could not generate a path. Returns NULL with result==path if it * could generate a path, but could not find the file. */ -(const char *)whereIs:(const char *)file path:(char *)result; @end
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