main(int argc, char **argv, char **envp) #endif { shinstance *psh; /* * Global initializations. */ setlocale(LC_ALL, ""); #ifdef _MSC_VER init_syntax(); #endif /* * Check for --version and --help. */ if (argc > 1 && argv[1][0] == '-' && argv[1][1] == '-') { if (!strcmp(argv[1], "--help")) return usage(argv[0]); if (!strcmp(argv[1], "--version")) return version(argv[0]); } /* * Create the root shell instance. */ psh = sh_create_root_shell(NULL, argc, argv, envp); if (!psh) return 2; shthread_set_shell(psh); shell_main(psh, argc, psh->argptr); /* Not reached. */ return 89; }
int main(int argc,char **argv) { int i; for(i=1; i<argc; i++) { if(argv[i][0]=='-'&&argv[i][1]=='F') { output_format=argv[i]+2; argv[i][0]=0; } if(!strcmp("-quiet",argv[i])) { verbose=0; argv[i][0]=0; } } if(!init_output(output_format)) general_error(16,output_format); if(!init_main()) general_error(10,"main"); if(verbose) printf("%s\n%s\n%s\n%s\n",copyright,cpu_copyright,syntax_copyright,output_copyright); for(i=1; i<argc; i++) { if(argv[i][0]==0) continue; if(argv[i][0]!='-') { if(inname) general_error(11); inname=argv[i]; continue; } if(!strcmp("-o",argv[i])&&i<argc-1) { if(outname) general_error(28,'o'); outname=argv[++i]; continue; } if(!strcmp("-L",argv[i])&&i<argc-1) { if(listname) general_error(28,'L'); listname=argv[++i]; produce_listing=1; continue; } if(!strcmp("-Lnf",argv[i])) { listformfeed=0; continue; } if(!strcmp("-Lns",argv[i])) { listnosyms=1; continue; } if(!strncmp("-Ll",argv[i],3)) { sscanf(argv[i]+3,"%i",&listlinesperpage); continue; } if(!strncmp("-D",argv[i],2)) { char *def=NULL; expr *val; if(argv[i][2]) def=&argv[i][2]; else if (i<argc-1) def=argv[++i]; if(def) { char *s=def; if(ISIDSTART(*s)) { s++; while(ISIDCHAR(*s)) s++; def=cnvstr(def,s-def); if(*s=='=') { s++; val=parse_expr(&s); } else val=number_expr(1); if(*s) general_error(23,'D'); /* trailing garbage after option */ new_abs(def,val); myfree(def); continue; } } } if(!strncmp("-I",argv[i],2)) { char *path=NULL; if(argv[i][2]) path=&argv[i][2]; else if (i<argc-1) path=argv[++i]; if(path) { new_include_path(path); continue; } } if(!strcmp("-unnamed-sections",argv[i])) { unnamed_sections=1; continue; } if(!strcmp("-ignore-mult-inc",argv[i])) { ignore_multinc=1; continue; } if(!strcmp("-nocase",argv[i])) { nocase=1; continue; } if(!strcmp("-noesc",argv[i])) { esc_sequences=0; continue; } if(!strcmp("-nosym",argv[i])) { no_symbols=1; continue; } if(!strncmp("-nowarn=",argv[i],8)) { int wno; sscanf(argv[i]+8,"%i",&wno); disable_warning(wno); continue; } else if(!strcmp("-w",argv[i])) { no_warn=1; continue; } if(!strncmp("-maxerrors=",argv[i],11)) { sscanf(argv[i]+11,"%i",&max_errors); continue; } else if(!strcmp("-pic",argv[i])) { pic_check=1; continue; } if(cpu_args(argv[i])) continue; if(syntax_args(argv[i])) continue; if(output_args(argv[i])) continue; if (!strncmp("-x",argv[i],2)) { auto_import=0; continue; } general_error(14,argv[i]); } if(inname) { setfilename(inname); setdebugname(inname); include_source(inname); } else general_error(15); if(!init_parse()) general_error(10,"parse"); if(!init_syntax()) general_error(10,"syntax"); if(!init_cpu()) general_error(10,"cpu"); parse(); if(errors==0||produce_listing) resolve(); if(errors==0||produce_listing) assemble(); if(errors==0&&!auto_import) undef_syms(); if(!listname) listname="a.lst"; if(produce_listing) write_listing(listname); if(!outname) outname="a.out"; if(errors==0) { if(verbose) statistics(); outfile=fopen(outname,"wb"); if(!outfile) general_error(13,outname); write_object(outfile,first_section,first_symbol); } leave(); return 0; /* not reached */ }
int main(int argc, char **argv) { struct jmploc jmploc; struct stackmark smark; volatile int state; char *shinit; setlocale(LC_ALL, ""); /* Just a --version for show. */ if (argc > 1 && argv[1][0] == '-' && argv[1][1] == '-') { if (!strcmp(&argv[1][2], "version")) { printf("kmk_ash - kBuild version %d.%d.%d\n", KBUILD_VERSION_MAJOR, KBUILD_VERSION_MINOR, KBUILD_VERSION_PATCH); return 0; } if (!strcmp(&argv[1][2], "help")) { printf("usage: kmk_ash [-aCefnuvxIimqVEb] [+aCefnuvxIimqVEb] [-o option_name]\n" " [+o option_name] [command_file [argument ...]]\n" " or: kmk_ash -c [-aCefnuvxIimqVEb] [+aCefnuvxIimqVEb] [-o option_name]\n" " [+o option_name] command_string [command_name [argument ...]]\n" " or: kmk_ash -s [-aCefnuvxIimqVEb] [+aCefnuvxIimqVEb] [-o option_name]\n" " [+o option_name] [argument ...]\n" " or: kmk_ash --help\n" " or: kmk_ash --version\n", argv[0], argv[0], argv[0], argv[0], argv[0]); return 0; } } #if PROFILE monitor(4, etext, profile_buf, sizeof profile_buf, 50); #endif state = 0; if (setjmp(jmploc.loc)) { /* * When a shell procedure is executed, we raise the * exception EXSHELLPROC to clean up before executing * the shell procedure. */ switch (exception) { case EXSHELLPROC: rootpid = getpid(); rootshell = 1; minusc = NULL; state = 3; break; case EXEXEC: exitstatus = exerrno; break; case EXERROR: exitstatus = 2; break; default: break; } if (exception != EXSHELLPROC) { if (state == 0 || iflag == 0 || ! rootshell) exitshell(exitstatus); } reset(); if (exception == EXINT #if ATTY && (! attyset() || equal(termval(), "emacs")) #endif ) { out2c('\n'); flushout(&errout); } popstackmark(&smark); FORCEINTON; /* enable interrupts */ if (state == 1) goto state1; else if (state == 2) goto state2; else if (state == 3) goto state3; else goto state4; } handler = &jmploc; #ifdef DEBUG #if DEBUG == 2 debug = 1; #endif opentrace(); trputs("Shell args: "); trargs(argv); #endif rootpid = getpid(); rootshell = 1; #ifdef _MSC_VER { extern void init_syntax(void); init_syntax(); } #endif init(); setstackmark(&smark); procargs(argc, argv); if (argv[0] && argv[0][0] == '-') { state = 1; #ifndef KMK read_profile("/etc/profile"); #endif state1: state = 2; #ifndef KMK read_profile(".profile"); #endif } state2: state = 3; #ifndef KMK if (getuid() == geteuid() && getgid() == getegid()) { if ((shinit = lookupvar("ENV")) != NULL && *shinit != '\0') { state = 3; read_profile(shinit); } } #endif state3: state = 4; if (sflag == 0 || minusc) { static int sigs[] = { SIGINT, SIGQUIT, SIGHUP, #ifdef SIGTSTP SIGTSTP, #endif SIGPIPE }; #define SIGSSIZE (sizeof(sigs)/sizeof(sigs[0])) int i; for (i = 0; i < SIGSSIZE; i++) setsignal(sigs[i], 0); } if (minusc) evalstring(minusc, 0); if (sflag || minusc == NULL) { state4: /* XXX ??? - why isn't this before the "if" statement */ cmdloop(1); } #if PROFILE monitor(0); #endif exitshell(exitstatus); /* NOTREACHED */ }