aboutsummaryrefslogtreecommitdiff
path: root/toys/other/hello.c
diff options
context:
space:
mode:
authorRob Landley <rob@landley.net>2012-08-25 14:25:22 -0500
committerRob Landley <rob@landley.net>2012-08-25 14:25:22 -0500
commit3a9241add947cb6d24b5de7a8927517426a78795 (patch)
treed122ab6570439cd6b17c7d73ed8d4e085e0b8a95 /toys/other/hello.c
parent689f095bc976417bf50810fe59a3b3ac32b21105 (diff)
downloadtoybox-3a9241add947cb6d24b5de7a8927517426a78795.tar.gz
Move commands into "posix", "lsb", and "other" menus/directories.
Diffstat (limited to 'toys/other/hello.c')
-rw-r--r--toys/other/hello.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/toys/other/hello.c b/toys/other/hello.c
new file mode 100644
index 00000000..06aa470b
--- /dev/null
+++ b/toys/other/hello.c
@@ -0,0 +1,60 @@
+/* vi: set sw=4 ts=4:
+ *
+ * hello.c - A hello world program.
+ *
+ * Copyright 2012 Rob Landley <rob@landley.net>
+ *
+ * Not in SUSv4/LSB.
+ * See http://opengroup.org/onlinepubs/9699919799/utilities/
+ * See http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/cmdbehav.html
+
+USE_HELLO(NEWTOY(hello, "e@d*c#b:a", TOYFLAG_USR|TOYFLAG_BIN))
+
+config HELLO
+ bool "hello"
+ default n
+ help
+ 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".
+*/
+
+#include "toys.h"
+
+// Hello doesn't use these globals, they're here for example/skeleton purposes.
+
+DEFINE_GLOBALS(
+ char *b_string;
+ long c_number;
+ struct arg_list *d_list;
+ long e_count;
+
+ int more_globals;
+)
+
+#define TT this.hello
+
+#define FLAG_a 1
+#define FLAG_b 2
+#define FLAG_c 4
+#define FLAG_d 8
+#define FLAG_e 16
+
+void hello_main(void)
+{
+ printf("Hello world\n");
+
+ if (toys.optflags & FLAG_a) printf("Saw a\n");
+ 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.e_count) printf("e was seen %ld times", TT.e_count);
+
+ while (*toys.optargs) printf("optarg=%s\n", *(toys.optargs++));
+}