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Annotation of objc/Test/load-ex/load.m, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.0 (the 'License').  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License."
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: #import "load.h"
                     26: #import <streams/streams.h>
                     27: #import <mach-o/loader.h>
                     28: #import <stdio.h>
                     29: #import <stdlib.h>
                     30: #import <string.h>
                     31: #import <objc/objc-load.h>
                     32: 
                     33: static void load_module(Class cls, Category cat)
                     34: {
                     35:        if (cat) 
                     36:          printf("load_module(): loading Category `%s' for Class `%s'\n",
                     37:                        cat->category_name, cat->class_name);
                     38:        else
                     39:          printf("load_module(): loading Class `%s'\n",[cls name]);
                     40: }
                     41: 
                     42: static void unload_module(Class cls, Category cat)
                     43: {
                     44:        if (cat)
                     45:          printf("unload_module(): unloading Category `%s' for Class `%s'\n",
                     46:                        cat->category_name, cat->class_name);
                     47:        else
                     48:          printf("unload_module(): unloading Class `%s'\n",[cls name]);
                     49: }
                     50: 
                     51: static char **get_module_list()
                     52: {
                     53:         static char foo[256], tmpfoo[256];
                     54:        char *tmp, **mlist;
                     55:        int nmods = 0, i;
                     56: 
                     57:        fprintf(stdout,"Enter list of object modules to be loaded.\n");
                     58:        fprintf(stdout,"module list = ");
                     59:                fgets(foo, 256, stdin);
                     60:        if (foo[strlen(foo)-1] == '\n')
                     61:                foo[strlen(foo)-1] = '\0';
                     62: 
                     63:        /* make a copy, strtok() is destructive */
                     64:        strcpy(tmpfoo, foo);
                     65: 
                     66:        tmp = strtok(foo, " ");
                     67:        while (tmp) {
                     68:                nmods++;
                     69:                tmp = strtok(0, " ");
                     70:        }
                     71:        mlist = malloc((nmods + 1) * sizeof(char *));
                     72: 
                     73:        tmp = strtok(tmpfoo, " ");
                     74:        i = 0;
                     75:        while (i < nmods) {
                     76:                mlist[i++] = tmp;
                     77:                tmp = strtok(0, " ");
                     78:        }
                     79:        mlist[i] = 0;
                     80:        return mlist;
                     81: }
                     82: 
                     83: static void handle_error(NXStream *stream)
                     84: {
                     85:        /* something went wrong */
                     86:        char *errorstring;
                     87:        int len, max;
                     88: 
                     89:        NXGetMemoryBuffer(stream, &errorstring, &len, &max);        
                     90: 
                     91:        /* all error messages contain exactly 1 `\n' at the end */
                     92:        printf("%s", errorstring);
                     93: }
                     94: 
                     95: void main (void)
                     96: {
                     97:        while (1) {
                     98:                NXStream *stream;
                     99:                char **modlist;
                    100:                struct mach_header *mh;
                    101: 
                    102:                modlist = get_module_list();
                    103:                stream = NXOpenMemory(NULL, 0, NX_WRITEONLY);
                    104: 
                    105:                if (strcmp(modlist[0], "unload") == 0) {
                    106:                        if (objc_unloadModules(stream, unload_module))
                    107:                                handle_error(stream);
                    108:                } else {
                    109:                        if (objc_loadModules(modlist, stream, load_module, 
                    110:                                                &mh, "weeb")) 
                    111:                                handle_error(stream);
                    112:                }
                    113:                NXCloseMemory(stream, NX_FREEBUFFER);
                    114:        }
                    115: }
                    116: 

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