mirror of
https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
Another update to the way usage messages are done by Evin Robertson
<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
parent
8fc300976f
commit
7e9276b50a
60
applets.h
60
applets.h
@ -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. */
|
||||
|
||||
@ -1,2 +1,10 @@
|
||||
#define USAGE_MESSAGES
|
||||
#include "busybox.h"
|
||||
|
||||
const char usage_messages[] =
|
||||
|
||||
#define MAKE_USAGE
|
||||
#include "usage.h"
|
||||
|
||||
#include "applets.h"
|
||||
|
||||
;
|
||||
|
||||
2806
applets/usage.h
2806
applets/usage.h
File diff suppressed because it is too large
Load Diff
@ -72,7 +72,6 @@ struct BB_applet {
|
||||
const char* name;
|
||||
int (*main)(int argc, char** argv);
|
||||
enum Location location;
|
||||
int usage_index;
|
||||
};
|
||||
/* From busybox.c */
|
||||
extern const struct BB_applet applets[];
|
||||
@ -87,12 +86,6 @@ extern const struct BB_applet applets[];
|
||||
#include "applets.h"
|
||||
#undef PROTOTYPES
|
||||
|
||||
#define APPLET_ENUM
|
||||
enum APPLET_INDEX_NUMBERS {
|
||||
#include "applets.h"
|
||||
};
|
||||
#undef APPLET_ENUM
|
||||
|
||||
extern const char *applet_name;
|
||||
|
||||
extern void show_usage(void) __attribute__ ((noreturn));
|
||||
|
||||
@ -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. */
|
||||
|
||||
@ -72,7 +72,6 @@ struct BB_applet {
|
||||
const char* name;
|
||||
int (*main)(int argc, char** argv);
|
||||
enum Location location;
|
||||
int usage_index;
|
||||
};
|
||||
/* From busybox.c */
|
||||
extern const struct BB_applet applets[];
|
||||
@ -87,12 +86,6 @@ extern const struct BB_applet applets[];
|
||||
#include "applets.h"
|
||||
#undef PROTOTYPES
|
||||
|
||||
#define APPLET_ENUM
|
||||
enum APPLET_INDEX_NUMBERS {
|
||||
#include "applets.h"
|
||||
};
|
||||
#undef APPLET_ENUM
|
||||
|
||||
extern const char *applet_name;
|
||||
|
||||
extern void show_usage(void) __attribute__ ((noreturn));
|
||||
|
||||
2806
include/usage.h
2806
include/usage.h
File diff suppressed because it is too large
Load Diff
10
usage.c
10
usage.c
@ -1,2 +1,10 @@
|
||||
#define USAGE_MESSAGES
|
||||
#include "busybox.h"
|
||||
|
||||
const char usage_messages[] =
|
||||
|
||||
#define MAKE_USAGE
|
||||
#include "usage.h"
|
||||
|
||||
#include "applets.h"
|
||||
|
||||
;
|
||||
|
||||
22
utility.c
22
utility.c
@ -54,7 +54,6 @@
|
||||
#define bb_need_full_version
|
||||
#define BB_DECLARE_EXTERN
|
||||
#include "messages.c"
|
||||
#include "usage.h"
|
||||
|
||||
#include "pwd_grp/pwd.h"
|
||||
#include "pwd_grp/grp.h"
|
||||
@ -81,21 +80,20 @@ static struct BB_applet *applet_using;
|
||||
|
||||
extern void show_usage(void)
|
||||
{
|
||||
static const char no_help[] = "No help available.\n";
|
||||
|
||||
const char *usage_string = no_help;
|
||||
const char *format_string;
|
||||
const char *usage_string = usage_messages;
|
||||
int i;
|
||||
|
||||
if (applet_using->usage_index >= 0) {
|
||||
usage_string = usage_messages;
|
||||
for (i=applet_using->usage_index ; i>0 ; ) {
|
||||
if (!*usage_string++) {
|
||||
--i;
|
||||
}
|
||||
for (i = applet_using - applets; i > 0; ) {
|
||||
if (!*usage_string++) {
|
||||
--i;
|
||||
}
|
||||
}
|
||||
fprintf(stderr, "%s\n\nUsage: %s %s\n\n", full_version,
|
||||
applet_using->name, usage_string);
|
||||
format_string = "%s\n\nUsage: %s %s\n\n";
|
||||
if(*usage_string == 0)
|
||||
format_string = "%s\n\nNo help available.\n\n";
|
||||
fprintf(stderr, format_string,
|
||||
full_version, applet_using->name, usage_string);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user