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authorGravatar Denys Vlasenko <vda.linux@googlemail.com>2010-06-05 23:11:07 +0200
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2010-06-05 23:11:07 +0200
commit0e5ba0843b86a78d2d98a5fbaac8d33fe041f10e (patch)
tree1f043ab8b4f8e1e57ddaf49e0ddf7677fedf7689 /applets
parent729ce473609fbe2aef656e6079d6b8a102962004 (diff)
downloadbusybox-0e5ba0843b86a78d2d98a5fbaac8d33fe041f10e.tar.gz
busybox-0e5ba0843b86a78d2d98a5fbaac8d33fe041f10e.tar.bz2
Remove requirement that include/applets.h must be sorted
First, I _again_ violated it - two xz-related applets are in wrong positions. Second, planned in-applet help text thing will be so much easier without this requirement... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'applets')
-rw-r--r--applets/usage.c33
-rwxr-xr-xapplets/usage_compressed22
-rw-r--r--applets/usage_pod.c57
3 files changed, 75 insertions, 37 deletions
diff --git a/applets/usage.c b/applets/usage.c
index d4fd12f9b..46adbf475 100644
--- a/applets/usage.c
+++ b/applets/usage.c
@@ -5,9 +5,9 @@
* Licensed under GPLv2, see file LICENSE in this tarball for details.
*/
#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
-/* Just #include "autoconf.h" doesn't work for builds in separate
- * object directory */
#include "autoconf.h"
/* Since we can't use platform.h, have to do this again by hand: */
@@ -21,14 +21,35 @@
# define USE_FOR_MMU(...) __VA_ARGS__
#endif
-static const char usage_messages[] = ""
-#define MAKE_USAGE
#include "usage.h"
+#define MAKE_USAGE(aname, usage) { aname, usage },
+static struct usage_data {
+ const char *aname;
+ const char *usage;
+} usage_array[] = {
#include "applets.h"
-;
+};
+
+static int compare_func(const void *a, const void *b)
+{
+ const struct usage_data *ua = a;
+ const struct usage_data *ub = b;
+ return strcmp(ua->aname, ub->aname);
+}
int main(void)
{
- write(STDOUT_FILENO, usage_messages, sizeof(usage_messages));
+ int i;
+ int num_messages = sizeof(usage_array) / sizeof(usage_array[0]);
+
+ if (num_messages == 0)
+ return 0;
+
+ qsort(usage_array,
+ num_messages, sizeof(usage_array[0]),
+ compare_func);
+ for (i = 0; i < num_messages; i++)
+ write(STDOUT_FILENO, usage_array[i].usage, strlen(usage_array[i].usage) + 1);
+
return 0;
}
diff --git a/applets/usage_compressed b/applets/usage_compressed
index 8d343529d..12efd2c9c 100755
--- a/applets/usage_compressed
+++ b/applets/usage_compressed
@@ -9,12 +9,19 @@ test -x "$loc/usage" || exit 1
test "$SED" || SED=sed
test "$DD" || DD=dd
-sz=`"$loc/usage" | wc -c` || exit 1
-
exec >"$target"
-echo 'static const char packed_usage[] ALIGN1 = {'
+echo '#define UNPACKED_USAGE \'
+"$loc/usage" | od -v -t x1 \
+| $SED -e 's/^[^ ]*//' \
+ -e 's/ //g' \
+ -e '/^$/d' \
+ -e 's/\(..\)/\\x\1/g' \
+ -e 's/^/"/' \
+ -e 's/$/" \\/'
+echo ''
+echo '#define PACKED_USAGE \'
## Breaks on big-endian systems!
## # Extra effort to avoid using "od -t x1": -t is not available
## # in non-CONFIG_DESKTOPed busybox od
@@ -24,12 +31,11 @@ echo 'static const char packed_usage[] ALIGN1 = {'
## -e 's/ //g' \
## -e '/^$/d' \
## -e 's/\(..\)\(..\)/0x\2,0x\1,/g'
-
+## -e 's/$/ \\/'
"$loc/usage" | bzip2 -1 | $DD bs=2 skip=1 2>/dev/null | od -v -t x1 \
| $SED -e 's/^[^ ]*//' \
-e 's/ //g' \
-e '/^$/d' \
- -e 's/\(..\)/0x\1,/g'
-
-echo '};'
-echo '#define SIZEOF_usage_messages' `expr 0 + $sz`
+ -e 's/\(..\)/0x\1,/g' \
+ -e 's/$/ \\/'
+echo ''
diff --git a/applets/usage_pod.c b/applets/usage_pod.c
index ee3729d7b..85a2a8ec4 100644
--- a/applets/usage_pod.c
+++ b/applets/usage_pod.c
@@ -6,11 +6,10 @@
*/
#include <unistd.h>
#include <stdint.h>
+#include <stdlib.h>
#include <string.h>
#include <stdio.h>
-/* Just #include "autoconf.h" doesn't work for builds in separate
- * object directory */
#include "autoconf.h"
#define SKIP_applet_main
@@ -29,22 +28,39 @@
# define USE_FOR_MMU(...) __VA_ARGS__
#endif
-static const char usage_messages[] = ""
-#define MAKE_USAGE
#include "usage.h"
+#define MAKE_USAGE(aname, usage) { aname, usage },
+static struct usage_data {
+ const char *aname;
+ const char *usage;
+} usage_array[] = {
#include "applets.h"
-;
+};
+
+static int compare_func(const void *a, const void *b)
+{
+ const struct usage_data *ua = a;
+ const struct usage_data *ub = b;
+ return strcmp(ua->aname, ub->aname);
+}
int main(void)
{
- const char *names;
- const char *usage;
int col, len2;
+ int i;
+ int num_messages = sizeof(usage_array) / sizeof(usage_array[0]);
+
+ if (num_messages == 0)
+ return 0;
+
+ qsort(usage_array,
+ num_messages, sizeof(usage_array[0]),
+ compare_func);
+
col = 0;
- names = applet_names;
- while (*names) {
- len2 = strlen(names) + 2;
+ for (i = 0; i < num_messages; i++) {
+ len2 = strlen(usage_array[i].aname) + 2;
if (col >= 76 - len2) {
printf(",\n");
col = 0;
@@ -55,29 +71,24 @@ int main(void)
} else {
printf(", ");
}
- printf(names);
+ printf(usage_array[i].aname);
col += len2;
- names += len2 - 1;
}
printf("\n\n");
printf("=head1 COMMAND DESCRIPTIONS\n\n");
printf("=over 4\n\n");
- names = applet_names;
- usage = usage_messages;
- while (*names) {
- if (*names >= 'a' && *names <= 'z'
- && *usage != NOUSAGE_STR[0]
+ for (i = 0; i < num_messages; i++) {
+ if (usage_array[i].aname[0] >= 'a' && usage_array[i].aname[0] <= 'z'
+ && usage_array[i].usage[0] != NOUSAGE_STR[0]
) {
- printf("=item B<%s>\n\n", names);
- if (*usage)
- printf("%s %s\n\n", names, usage);
+ printf("=item B<%s>\n\n", usage_array[i].aname);
+ if (usage_array[i].usage[0])
+ printf("%s %s\n\n", usage_array[i].aname, usage_array[i].usage);
else
- printf("%s\n\n", names);
+ printf("%s\n\n", usage_array[i].aname);
}
- names += strlen(names) + 1;
- usage += strlen(usage) + 1;
}
return 0;
}