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67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
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** Mac shared lib glue.
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*/
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#include <Quickdraw.h>
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#include <SegLoad.h>
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#include <FragLoad.h>
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#include <Files.h>
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#include <Resources.h>
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#ifdef __MWERKS__
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/*
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** This part is copied from MW Startup.c, which is
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** Copyright © 1993 metrowerks inc. All Rights Reserved.
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*/
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#include <setjmp.h>
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#include <stdio.h>
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/* void *__local_destructor_chain; /* chain of local objects that need destruction */
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/* public data */
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QDGlobals qd; /* define the Quickdraw globals here! */
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jmp_buf __program_exit; /* exit() does a longjmp() to here */
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void (*__atexit_hook)(void); /* atexit() sets this up if it is ever called */
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void (*___atexit_hook)(void); /* _atexit() sets this up if it is ever called */
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int __aborting; /* abort() sets this and longjmps to __program_exit */
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#endif
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/*
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** Variables passed from shared lib initialization to PyMac_AddLibResources.
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*/
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static int library_fss_valid;
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static FSSpec library_fss;
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/*
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** Routine called upon fragment load. We attempt to save the FSSpec from which we're
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** loaded. We always return noErr (we just continue without the resources).
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*/
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OSErr pascal
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PythonCore_init(InitBlockPtr data)
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{
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if ( data == nil ) return noErr;
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if ( data->fragLocator.where == kOnDiskFlat ) {
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library_fss = *data->fragLocator.u.onDisk.fileSpec;
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library_fss_valid = 1;
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} else if ( data->fragLocator.where == kOnDiskSegmented ) {
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library_fss = *data->fragLocator.u.inSegs.fileSpec;
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library_fss_valid = 1;
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}
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return noErr;
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}
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/*
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** Insert the library resources into the search path. Put them after
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** the resources from the application (which we assume is the current
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** resource file). Again, we ignore errors.
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*/
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void
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PyMac_AddLibResources()
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{
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if ( !library_fss_valid )
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return;
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(void)FSpOpenResFile(&library_fss, fsRdPerm);
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}
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