de5663609e
James da Silva. We need to integrate this before 1.1.5 so that we can actually make the boot floppies.
108 lines
3.5 KiB
C
108 lines
3.5 KiB
C
/* File created via mkskel.sh */
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char *crunched_skel[] = {
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"/*",
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" * Copyright (c) 1994 University of Maryland",
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" * All Rights Reserved.",
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" *",
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" * Permission to use, copy, modify, distribute, and sell this software and its",
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" * documentation for any purpose is hereby granted without fee, provided that",
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" * the above copyright notice appear in all copies and that both that",
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" * copyright notice and this permission notice appear in supporting",
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" * documentation, and that the name of U.M. not be used in advertising or",
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" * publicity pertaining to distribution of the software without specific,",
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" * written prior permission. U.M. makes no representations about the",
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" * suitability of this software for any purpose. It is provided \"as is\"",
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" * without express or implied warranty.",
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" *",
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" * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL",
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" * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.",
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" * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES",
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" * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION",
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" * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN",
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" * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.",
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" *",
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" * Author: James da Silva, Systems Design and Analysis Group",
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" * Computer Science Department",
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" * University of Maryland at College Park",
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" */",
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"/*",
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" * crunched_main.c - main program for crunched binaries, it branches to a ",
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" * particular subprogram based on the value of argv[0]. Also included",
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" * is a little program invoked when the crunched binary is called via",
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" * its EXECNAME. This one prints out the list of compiled-in binaries,",
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" * or calls one of them based on argv[1]. This allows the testing of",
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" * the crunched binary without creating all the links.",
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" */",
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"#include <stdio.h>",
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"#include <string.h>",
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"",
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"struct stub {",
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" char *name;",
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" int (*f)();",
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"};",
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"",
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"extern struct stub entry_points[];",
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"",
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"int main(int argc, char **argv)",
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"{",
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" char *slash, *basename;",
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" struct stub *ep;",
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"",
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" if(argv[0] == NULL || *argv[0] == '\\0')",
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" crunched_usage();",
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"",
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" slash = strrchr(argv[0], '/');",
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" basename = slash? slash+1 : argv[0];",
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"",
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" for(ep=entry_points; ep->name != NULL; ep++)",
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" if(!strcmp(basename, ep->name)) break;",
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"",
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" if(ep->name)",
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" return ep->f(argc, argv);",
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" else {",
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" fprintf(stderr, \"%s: %s not compiled in\\n\", EXECNAME, basename);",
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" crunched_usage();",
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" }",
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"}",
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"",
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"",
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"int crunched_main(int argc, char **argv)",
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"{",
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" struct stub *ep;",
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" int columns, len;",
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"",
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" if(argc <= 1) ",
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" crunched_usage();",
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"",
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" return main(--argc, ++argv);",
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"}",
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"",
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"",
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"int crunched_usage()",
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"{",
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" int columns, len;",
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" struct stub *ep;",
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"",
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" fprintf(stderr, \"Usage: %s <prog> <args> ..., where <prog> is one of:\\n\",",
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" EXECNAME);",
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" columns = 0;",
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" for(ep=entry_points; ep->name != NULL; ep++) {",
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" len = strlen(ep->name) + 1;",
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" if(columns+len < 80)",
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" columns += len;",
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" else {",
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" fprintf(stderr, \"\\n\");",
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" columns = len;",
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" }",
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" fprintf(stderr, \" %s\", ep->name);",
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" }",
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" fprintf(stderr, \"\\n\");",
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" exit(1);",
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"}",
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"",
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"/* end of crunched_main.c */",
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"",
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0
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};
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