diff options
-rw-r--r-- | main.c | 16 | ||||
-rw-r--r-- | toys.h | 45 | ||||
-rw-r--r-- | toys/Config.in | 8 | ||||
-rw-r--r-- | toys/pwd.c | 16 | ||||
-rw-r--r-- | toys/toylist.h | 62 |
5 files changed, 93 insertions, 54 deletions
@@ -2,25 +2,15 @@ /* Toybox infrastructure. * * Copyright 2006 Rob Landley <rob@landley.net> - * - * Licensed under GPL version 2, see file LICENSE in this tarball for details. */ #include "toys.h" -// The monster fun applet list. +// Populate toy_list[]. struct toy_list toy_list[] = { - // This one is out of order on purpose. - {"toybox", toybox_main, 0}, - // The rest of these are alphabetical, for binary search. - USE_TOYSH({"cd", cd_main, TOYFLAG_NOFORK},) - USE_DF({"df", df_main, TOYFLAG_USR|TOYFLAG_SBIN},) - USE_TOYSH({"exit", exit_main, TOYFLAG_NOFORK},) - USE_HELLO({"hello", hello_main, TOYFLAG_NOFORK|TOYFLAG_USR},) - USE_TOYSH({"sh", toysh_main, TOYFLAG_BIN},) - USE_TOYSH({"toysh", toysh_main, TOYFLAG_BIN},) - USE_WHICH({"which", which_main, TOYFLAG_USR|TOYFLAG_BIN},) +#define FROM_MAIN +#include "toys/toylist.h" }; #define TOY_LIST_LEN (sizeof(toy_list)/sizeof(struct toy_list)) @@ -24,32 +24,16 @@ #include <unistd.h> #include "lib/lib.h" +#include "gen_config.h" +#include "toys/toylist.h" -int cd_main(void); -int df_main(void); -int exit_main(void); -int hello_main(void); -int toybox_main(void); -int toysh_main(void); -int which_main(void); - -#define TOYFLAG_USR (1<<0) -#define TOYFLAG_BIN (1<<1) -#define TOYFLAG_SBIN (1<<2) -#define TOYMASK_LOCATION ((1<<4)-1) - -#define TOYFLAG_NOFORK (1<<4) +// These live in main.c -extern struct toy_list { - char *name; - int (*toy_main)(void); - int flags; -} toy_list[]; struct toy_list *toy_find(char *name); void toy_init(struct toy_list *which, char *argv[]); void toy_exec(char *argv[]); -// Global context for this applet. +// Global context for any applet. extern struct toy_context { struct toy_list *which; // Which entry in toy_list is this one? @@ -58,24 +42,3 @@ extern struct toy_context { char **argv; // Command line arguments char buf[4096]; } toys; - -struct exit_data {;}; -struct cd_data {;}; -struct toybox_data {;}; -struct toysh_data {;}; -struct df_data { - struct string_list *fstype; - long units; -}; - -union toy_union { - struct exit_data exit; - struct cd_data cd; - struct toybox_data toybox; - struct toysh_data toysh; - struct df_data df; -} toy; - -// Pending the addition of menuconfig... - -#include "gen_config.h" diff --git a/toys/Config.in b/toys/Config.in index 89481bde..2120636c 100644 --- a/toys/Config.in +++ b/toys/Config.in @@ -34,6 +34,14 @@ config HELLO help A hello world program. You don't need this. +config PWD + bool "pwd" + default n + help + usage: pwd + + The print working directory command prints the current directory. + config TOYSH bool "sh (toysh)" default n diff --git a/toys/pwd.c b/toys/pwd.c new file mode 100644 index 00000000..3ba7ae0d --- /dev/null +++ b/toys/pwd.c @@ -0,0 +1,16 @@ +/* vi: set sw=4 ts=4: */ +/* + * pwd.c - Print working directory. + */ + +#include "toys.h" + +int pwd_main(void) +{ + char *pwd = xgetcwd(); + + puts(pwd); + if (CFG_TOYS_FREE) free(pwd); + + return 0; +} diff --git a/toys/toylist.h b/toys/toylist.h new file mode 100644 index 00000000..87716b0f --- /dev/null +++ b/toys/toylist.h @@ -0,0 +1,62 @@ +/* vi: set ts=4 :*/ +/* Toybox infrastructure. + * + * Copyright 2006 Rob Landley <rob@landley.net> + */ + + +// When #included from main.c, provide the guts for toy_list[] + +#ifdef FROM_MAIN +#undef NEWTOY +#undef OLDTOY +#define NEWTOY(name, flags) {#name, name##_main, flags}, +#define OLDTOY(name, oldname, flags) {#name, oldname##_main, flags}, + +// When #included from toys.h, provide function declarations and structs. +// The #else is because main.c #includes this file twice. + +#else +#define NEWTOY(name, flags) int name##_main(void); +#define OLDTOY(name, oldname, flags) + +struct df_data { + struct string_list *fstype; + long units; +}; + +union toy_union { + struct df_data df; +} toy; + +#define TOYFLAG_USR (1<<0) +#define TOYFLAG_BIN (1<<1) +#define TOYFLAG_SBIN (1<<2) +#define TOYMASK_LOCATION ((1<<4)-1) + +#define TOYFLAG_NOFORK (1<<4) + +extern struct toy_list { + char *name; + int (*toy_main)(void); + int flags; +} toy_list[]; + +#endif + +// List of all the applets toybox can provide. + +// This one is out of order on purpose. + +NEWTOY(toybox, 0) + +// The rest of these are alphabetical, for binary search. + +USE_TOYSH(NEWTOY(cd, TOYFLAG_NOFORK)) +USE_DF(NEWTOY(df, TOYFLAG_USR|TOYFLAG_SBIN)) +USE_TOYSH(NEWTOY(exit, TOYFLAG_NOFORK)) +USE_HELLO(NEWTOY(hello, TOYFLAG_NOFORK|TOYFLAG_USR)) +USE_PWD(NEWTOY(pwd, TOYFLAG_BIN)) +USE_TOYSH(OLDTOY(sh, toysh, TOYFLAG_BIN)) +USE_TOYSH(NEWTOY(toysh, TOYFLAG_BIN)) +USE_WHICH(NEWTOY(which, TOYFLAG_USR|TOYFLAG_BIN)) |