/* * Copyright (c) 1992 OMRON Corporation. * Copyright (c) 1992 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * OMRON Corporation. * * %sccs.include.redist.c% * * @(#)parse.c 7.1 (Berkeley) 12/13/92 */ /* * parse.c -- command parser * by A.Fujita, JAN-30-1992 */ #include /* for scsi.c */ int scsi(); /* for disklabel.c */ int disklabel(); /* for boot.c */ int boot(); int load(); int how_to_boot(); /* for tape.c */ int tape(); /* for fsdump.c */ int fsdump(); int fsrestore(); /* for screen.c */ int screen(); int check_args(argc, argv) int argc; char *argv[]; { register int i; for ( i = 0; i < argc; i++) printf("argv[%d] = \"%s\"\n", i, argv[i]); return(ST_NORMAL); } int exit_program(argc, argv) int argc; char *argv[]; { return(ST_EXIT); } struct command_entry { char *name; int (*func)(); }; struct command_entry entries[] = { { "b", boot }, { "boot", boot }, { "chkargs", check_args }, { "disklabel", disklabel }, { "exit", exit_program }, { "fsdump", fsdump }, { "fsrestore", fsrestore }, { "howto", how_to_boot }, { "load", load }, { "screen", screen }, { "tape", tape }, { "tp", tape }, { "scsi", scsi }, { "quit", exit_program }, { 0, 0 } }; int parse(argc, argv) int argc; char *argv[]; { register int i, status = ST_NOTFOUND; for (i = 0; entries[i].name != (char *) 0; i++) { if (!strcmp(argv[0], entries[i].name)) { status = (*entries[i].func)(argc, argv); break; } } return(status); } /* * getargs -- make argument arrays */ getargs(buffer, argv, maxargs) char buffer[], *argv[]; int maxargs; { register int n = 0; register char *p = buffer; argv[n++] = p; while (*p != '\0') { if ( *p == ' ' ) { *p = '\0'; } else if (p != buffer && *(p-1) == '\0') { if ( n < maxargs ) argv[n++] = p; } p++; } return(n); }