02add9e53
Rob Landley
2006-09-05
Subject
Might as well commit this to have the history. It's not linked in to the applet list yet (and won't be until it can replace lash, I'm not having five shells in menuconfig at once), but you can build it with scripts/individual and mostly this is checked in so I can bloatcheck future versions against
SOURCE BUG
This commit was genuinely broken at the time (not related to our build system): scripts/config/mkconfigs.c (2005-08-01 - 2006-10-05 arasi) uretilen bbconfigopts.h icine .config satirlarini kacissiz, ham newline'larla gömüyordu - gecerli C degildi, busybox'un kendi bb_mkdep araci bile parse edemiyordu (7d219aab7 ile duzeltildi, mkconfigs shell scripte cevrildi)
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shell/bbsh.c+73 -0
| @@ -0,0 +1,73 @@ | |
| + | /* vi: set ts=4 : |
| + | * |
| + | * bbsh - busybox shell |
| + | * |
| + | * Copyright 2006 Rob Landley <[email protected]> |
| + | * |
| + | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
| + | */ |
| + | |
| + | // Handle embedded NUL bytes in the command line. |
| + | |
| + | #include <busybox.h> |
| + | |
| + | static int handle(char *command) |
| + | { |
| + | int argc=0; |
| + | char *argv[10], *start = command; |
| + | |
| + | // Parse command into argv[] |
| + | for (;;) { |
| + | char *end; |
| + | |
| + | // Skip leading whitespace and detect EOL. |
| + | while(isspace(*start)) start++; |
| + | if(!*start || *start=='#') break; |
| + | |
| + | // Grab next word. (Add dequote and envvar logic here) |
| + | end=start; |
| + | while(*end && !isspace(*end)) end++; |
| + | argv[argc++]=xstrndup(start,end-start); |
| + | start=end; |
| + | } |
| + | argv[argc]=0; |
| + | |
| + | if (!argc) return 0; |
| + | if (argc==2 && !strcmp(argv[0],"cd")) chdir(argv[1]); |
| + | else if(!strcmp(argv[0],"exit")) exit(argc>1 ? atoi(argv[1]) : 0); |
| + | else { |
| + | int status; |
| + | pid_t pid=fork(); |
| + | if(!pid) { |
| + | run_applet_by_name(argv[0],argc,argv); |
| + | execvp(argv[0],argv); |
| + | printf("No %s",argv[0]); |
| + | exit(1); |
| + | } else waitpid(pid, &status, 0); |
| + | } |
| + | while(argc) free(argv[--argc]); |
| + | |
| + | return 0; |
| + | } |
| + | |
| + | int bbsh_main(int argc, char *argv[]) |
| + | { |
| + | char *command=NULL; |
| + | FILE *f; |
| + | |
| + | bb_getopt_ulflags(argc, argv, "c:", &command); |
| + | |
| + | f = argv[optind] ? xfopen(argv[optind],"r") : NULL; |
| + | if (command) handle(command); |
| + | else { |
| + | unsigned cmdlen=0; |
| + | for (;;) { |
| + | if(!f) putchar('$'); |
| + | if(1 > getline(&command,&cmdlen,f ? : stdin)) break; |
| + | handle(command); |
| + | } |
| + | if (ENABLE_FEATURE_CLEAN_UP) free(command); |
| + | } |
| + | |
| + | return 1; |
| + | } |