Differential D12107 Diff 32772 head/usr.sbin/crunch/crunchgen/crunched_main.c

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head/usr.sbin/crunch/crunchgen/crunched_main.c

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struct stub {		struct stub {
char *name;		char *name;
int (*f)();		int (*f)();
};		};

extern char *__progname;		extern char *__progname;
extern struct stub entry_points[];		extern struct stub entry_points[];

		static void crunched_usage(void);

int		int
main(int argc, char argv, char envp)		main(int argc, char argv, char envp)
{		{
char slash, basename;		char slash, basename;
struct stub *ep;		struct stub *ep;

if(argv[0] == NULL \|\| *argv[0] == '\0')		if(argv[0] == NULL \|\| *argv[0] == '\0')
crunched_usage();		crunched_usage();
Show All 9 Lines	return ep->f(argc, argv, envp);
else {		else {
fprintf(stderr, "%s: %s not compiled in\n", EXECNAME, basename);		fprintf(stderr, "%s: %s not compiled in\n", EXECNAME, basename);
crunched_usage();		crunched_usage();
}		}
}		}


int		int
crunched_here(char *path)
{
char slash, basename;
struct stub *ep;

slash = strrchr(path, '/');
basename = slash? slash+1 : path;

for(ep=entry_points; ep->name != NULL; ep++)
if(!strcmp(basename, ep->name))
return 1;
return 0;
}


int
crunched_main(int argc, char argv, char envp)		crunched_main(int argc, char argv, char envp)
{		{
char *slash;		char *slash;
struct stub *ep;		struct stub *ep;
int columns, len;		int columns, len;

if(argc <= 1)		if(argc <= 1)
crunched_usage();		crunched_usage();

slash = strrchr(argv[1], '/');		slash = strrchr(argv[1], '/');
__progname = slash? slash+1 : argv[1];		__progname = slash? slash+1 : argv[1];

return main(--argc, ++argv, envp);		return main(--argc, ++argv, envp);
}		}


int		static void
crunched_usage()		crunched_usage()
{		{
int columns, len;		int columns, len;
struct stub *ep;		struct stub *ep;

fprintf(stderr, "usage: %s <prog> <args> ..., where <prog> is one of:\n",		fprintf(stderr, "usage: %s <prog> <args> ..., where <prog> is one of:\n",
EXECNAME);		EXECNAME);
columns = 0;		columns = 0;
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