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Another update to the way usage messages are done by Evin Robertson

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<nitfol@my-deja.com>, which makes things just a little bit smaller, but makes
usage.h more readable/maintainable IMHO.
 -Erik
This commit is contained in:
Eric Andersen
2001-02-22 01:15:47 +00:00
parent 8fc300976f
commit 7e9276b50a
10 changed files with 2977 additions and 5629 deletions
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60
include/applets.h
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@ -14,33 +14,33 @@
#undef APPLET_ODDNAME
#undef APPLET_NOUSAGE
#if defined(PROTOTYPES)
#define APPLET(a,b,c) \
extern int b(int argc, char **argv);
#define APPLET_ODDNAME(a,b,c,d,e) APPLET(a,b,c)
#define APPLET_NOUSAGE(a,b,c) \
extern int b(int argc, char **argv);
#elif defined(MAKE_LINKS)
#define APPLET(a,b,c) LINK c #a
#define APPLET_ODDNAME(a,b,c,d,e) LINK c a
#define APPLET_NOUSAGE(a,b,c) LINK c #a
#elif defined(APPLET_ENUM)
#define APPLET(a,b,c) a##_applet_number,
#define APPLET_ODDNAME(a,b,c,d,e) e##_applet_number,
#define APPLET_NOUSAGE(a,b,c) a##applet_number,
#define APPLET(a,b,c) extern int b(int argc, char **argv);
#define APPLET_NOUSAGE(a,b,c) extern int b(int argc, char **argv);
#define APPLET_ODDNAME(a,b,c,d) extern int b(int argc, char **argv);
extern const char usage_messages[];
#elif defined(MAKE_USAGE)
#ifdef BB_FEATURE_TRIVIAL_HELP
#define APPLET(a,b,c) a##_trivial_usage "\0"
#define APPLET_NOUSAGE(a,b,c) "\0"
#define APPLET_ODDNAME(a,b,c,d) d##_trivial_usage "\0"
#else
#define APPLET(a,b,c) a##_trivial_usage "\n\n" a##_full_usage "\0"
#define APPLET_NOUSAGE(a,b,c) "\0"
#define APPLET_ODDNAME(a,b,c,d) d##_trivial_usage "\n\n" d##_full_usage "\0"
#endif
#else
#define USAGE_ENUM
#include "usage.h"
const struct BB_applet applets[] = {
#define APPLET(a,b,c) {#a,b,c,a##_usage_index},
#define APPLET_ODDNAME(a,b,c,d,e) {a,b,c,d},
#define APPLET_NOUSAGE(a,b,c) {#a,b,c,-1},
#define zcat_usage_index gunzip_usage_index
#define sh_usage_index shell_usage_index
const struct BB_applet applets[] = {
#define APPLET(a,b,c) {#a,b,c},
#define APPLET_NOUSAGE(a,b,c) {a,b,c},
#define APPLET_ODDNAME(a,b,c,d) {a,b,c},
#endif
#ifdef BB_TEST
APPLET_ODDNAME("[", test_main, _BB_DIR_USR_BIN, test_usage_index, open_bracket)
APPLET_NOUSAGE("[", test_main, _BB_DIR_USR_BIN)
#endif
#ifdef BB_AR
APPLET(ar, ar_main, _BB_DIR_USR_BIN)
@ -48,7 +48,7 @@ const struct BB_applet applets[] = {
#ifdef BB_BASENAME
APPLET(basename, basename_main, _BB_DIR_USR_BIN)
#endif
APPLET_NOUSAGE(busybox, busybox_main, _BB_DIR_BIN)
APPLET_NOUSAGE("busybox", busybox_main, _BB_DIR_BIN)
#ifdef BB_CAT
APPLET(cat, cat_main, _BB_DIR_BIN)
#endif
@ -107,7 +107,7 @@ const struct BB_applet applets[] = {
APPLET(dpkg, dpkg_main, _BB_DIR_USR_BIN)
#endif
#ifdef BB_DPKG_DEB
APPLET_ODDNAME("dpkg-deb", dpkg_deb_main, _BB_DIR_USR_BIN, dpkg_deb_usage_index, dpkg_deb)
APPLET_ODDNAME("dpkg-deb", dpkg_deb_main, _BB_DIR_USR_BIN, dpkg_deb)
#endif
#ifdef BB_DU
APPLET(du, du_main, _BB_DIR_USR_BIN)
@ -128,7 +128,7 @@ const struct BB_applet applets[] = {
APPLET(false, false_main, _BB_DIR_BIN)
#endif
#ifdef BB_FBSET
APPLET_NOUSAGE(fbset, fbset_main, _BB_DIR_USR_SBIN)
APPLET_NOUSAGE("fbset", fbset_main, _BB_DIR_USR_SBIN)
#endif
#ifdef BB_FDFLUSH
APPLET(fdflush, fdflush_main, _BB_DIR_BIN)
@ -143,7 +143,7 @@ const struct BB_applet applets[] = {
APPLET(freeramdisk, freeramdisk_main, _BB_DIR_SBIN)
#endif
#ifdef BB_FSCK_MINIX
APPLET_ODDNAME("fsck.minix", fsck_minix_main, _BB_DIR_SBIN, fsck_minix_usage_index, fsck_minix)
APPLET_ODDNAME("fsck.minix", fsck_minix_main, _BB_DIR_SBIN, fsck_minix)
#endif
#ifdef BB_GETOPT
APPLET(getopt, getopt_main, _BB_DIR_BIN)
@ -191,7 +191,7 @@ const struct BB_applet applets[] = {
APPLET(length, length_main, _BB_DIR_USR_BIN)
#endif
#ifdef BB_LINUXRC
APPLET_NOUSAGE(linuxrc, init_main, _BB_DIR_ROOT)
APPLET_NOUSAGE("linuxrc", init_main, _BB_DIR_ROOT)
#endif
#ifdef BB_LN
APPLET(ln, ln_main, _BB_DIR_BIN)
@ -230,7 +230,7 @@ const struct BB_applet applets[] = {
APPLET(mkfifo, mkfifo_main, _BB_DIR_USR_BIN)
#endif
#ifdef BB_MKFS_MINIX
APPLET_ODDNAME("mkfs.minix", mkfs_minix_main, _BB_DIR_SBIN, mkfs_minix_usage_index, mkfs_minix)
APPLET_ODDNAME("mkfs.minix", mkfs_minix_main, _BB_DIR_SBIN, mkfs_minix)
#endif
#ifdef BB_MKNOD
APPLET(mknod, mknod_main, _BB_DIR_BIN)
@ -416,8 +416,8 @@ const struct BB_applet applets[] = {
APPLET(zcat, gunzip_main, _BB_DIR_BIN)
#endif
#if !defined(PROTOTYPES) && !defined(MAKE_LINKS) && !defined(APPLET_ENUM)
{ 0,NULL,0,-1}
#if !defined(PROTOTYPES) && !defined(MAKE_USAGE)
{ 0,NULL,0 }
};
/* The -1 arises because of the {0,NULL,0,-1} entry above. */