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