aboutsummaryrefslogtreecommitdiff
path: root/toys/other/hello.c
diff options
context:
space:
mode:
Diffstat (limited to 'toys/other/hello.c')
-rw-r--r--toys/other/hello.c56
1 files changed, 14 insertions, 42 deletions
diff --git a/toys/other/hello.c b/toys/other/hello.c
index b909ed53..eb80972e 100644
--- a/toys/other/hello.c
+++ b/toys/other/hello.c
@@ -8,28 +8,17 @@
// Accept many different kinds of command line argument:
USE_HELLO(NEWTOY(hello, "(walrus)(blubber):;(also):e@d*c#b:a", TOYFLAG_USR|TOYFLAG_BIN))
-USE_HELLO_ALIAS(NEWTOY(hello_alias, "b:dq", TOYFLAG_USR|TOYFLAG_BIN))
config HELLO
bool "hello"
default n
help
- usage: hello [-a] [-b STRING] [-c NUMBER] [-d LIST] [-e COUNT] [...]
+ usage: hello [-a] [-b string] [-c number] [-d list] [-e count] [...]
A hello world program. You don't need this.
Mostly used as an example/skeleton file for adding new commands,
occasionally nice to test kernel booting via "init=/bin/hello".
-
-config HELLO_ALIAS
- bool "hello_alias"
- default n
- depends on HELLO
- help
- usage: hello_alias [-dq] [-b NUMBER]
-
- Example of a second command with different arguments in the same source
- file as the first. Allows shared infrastructure not added to lib.
*/
#define FOR_hello
@@ -38,19 +27,12 @@ config HELLO_ALIAS
// Hello doesn't use these globals, they're here for example/skeleton purposes.
GLOBALS(
- union {
- struct {
- char *b_string;
- long c_number;
- struct arg_list *d_list;
- long e_count;
- char *also_string;
- char *blubber_string;
- } h;
- struct {
- long b_number;
- } a;
- };
+ char *b_string;
+ long c_number;
+ struct arg_list *d_list;
+ long e_count;
+ char *also_string;
+ char *blubber_string;
int more_globals;
)
@@ -65,25 +47,15 @@ void hello_main(void)
if (toys.optflags) printf("flags=%x\n", toys.optflags);
if (toys.optflags & FLAG_a) printf("Saw a\n");
- if (toys.optflags & FLAG_b) printf("b=%s\n", TT.h.b_string);
- if (toys.optflags & FLAG_c) printf("c=%ld\n", TT.h.c_number);
- while (TT.h.d_list) {
- printf("d=%s\n", TT.h.d_list->arg);
- TT.h.d_list = TT.h.d_list->next;
+ if (toys.optflags & FLAG_b) printf("b=%s\n", TT.b_string);
+ if (toys.optflags & FLAG_c) printf("c=%ld\n", TT.c_number);
+ while (TT.d_list) {
+ printf("d=%s\n", TT.d_list->arg);
+ TT.d_list = TT.d_list->next;
}
- if (TT.h.e_count) printf("e was seen %ld times\n", TT.h.e_count);
+ if (TT.e_count) printf("e was seen %ld times\n", TT.e_count);
for (optargs = toys.optargs; *optargs; optargs++)
printf("optarg=%s\n", *optargs);
if (toys.optflags & FLAG_walrus) printf("Saw --walrus\n");
- if (TT.h.blubber_string) printf("--blubber=%s\n", TT.h.blubber_string);
-}
-
-#define CLEANUP_hello
-#define FOR_hello_alias
-#include "generated/flags.h"
-
-void hello_alias_main(void)
-{
- printf("hello world %x\n", toys.optflags);
- if (toys.optflags & FLAG_b) printf("b=%ld", TT.a.b_number);
+ if (TT.blubber_string) printf("--blubber=%s\n", TT.blubber_string);
}