diff options
Diffstat (limited to 'toys')
| -rw-r--r-- | toys/df.c | 22 | ||||
| -rw-r--r-- | toys/toysh.c | 92 |
2 files changed, 112 insertions, 2 deletions
@@ -1,7 +1,25 @@ -/* vi: set ts=4 : */ +/* vi: set sw=4 ts=4: */ +/* + * df.c - report free disk space. + * + * Implemented according to SUSv3: + * http://www.opengroup.org/onlinepubs/009695399/utilities/df.html + * + * usage: df [-k] [-P|-t] [file...] + */ + #include "toys.h" int df_main(void) { - printf("toys.which->name=%s\n",toys.which->name); + struct mtab_list *mt, *mtlist; + + //int units = 512; + mtlist = getmountlist(1); + // Zap overmounts + for (mt = mtlist; mt; mt = mt->next) { + printf("type=%s dir=%s device=%s\n",mt->type,mt->dir,mt->device); + } + + return 0; } diff --git a/toys/toysh.c b/toys/toysh.c new file mode 100644 index 00000000..77db82db --- /dev/null +++ b/toys/toysh.c @@ -0,0 +1,92 @@ +/* vi: set sw=4 ts=4: + * + * toysh - toybox shell + * + * Copyright 2006 Rob Landley <rob@landley.net> + * + * The spec for this is at: + * http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html + * + * Although things like the bash man page are good to read too. + */ + +// Handle embedded NUL bytes in the command line. + +#include "toys.h" + +static int handle(char *command) +{ + int argc = 0, status; + char *argv[10], *start = command; + pid_t pid; + struct toy_list *tl; + + // 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; + + tl = toy_find(argv[0]); + // This is a bit awkward, next design cycle should clean it up. + // Should vfork(), move to tryspawn()? + pid = 0; + if (tl && (tl->flags & TOYFLAG_NOFORK)) + status = tl->toy_main(); + else { + pid=fork(); + if(!pid) { + toy_exec(argv); + xexec(argv); + } else waitpid(pid, &status, 0); + } + while(argc) free(argv[--argc]); + + return 0; +} + +int cd_main(void) +{ + char *dest = toys.argc>1 ? toys.argv[1] : getenv("HOME"); + if (chdir(dest)) error_exit("chdir %s",dest); + return 0; +} + +int exit_main(void) +{ + exit(toys.argc>1 ? atoi(toys.argv[1]) : 0); +} + +int toysh_main(void) +{ + char *command=NULL; + FILE *f; + + // TODO get_optflags(argv, "c:", &command); + + f = toys.argv[1] ? xfopen(toys.argv[1], "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 (CFG_TOYS_FREE) free(command); + } + + return 1; +} |