diff options
Diffstat (limited to 'applets')
| -rw-r--r-- | applets/Kbuild | 9 | ||||
| -rw-r--r-- | applets/applet_tables.c | 21 | ||||
| -rw-r--r-- | applets/usage.c | 14 | ||||
| -rw-r--r-- | applets/usage_pod.c | 97 |
4 files changed, 121 insertions, 20 deletions
diff --git a/applets/Kbuild b/applets/Kbuild index 9830379..a966f6e 100644 --- a/applets/Kbuild +++ b/applets/Kbuild @@ -8,7 +8,7 @@ obj-y := obj-y += applets.o hostprogs-y:= -hostprogs-y += usage applet_tables +hostprogs-y += usage usage_pod applet_tables always:= $(hostprogs-y) @@ -22,13 +22,14 @@ else srctree_slash = $(srctree)/ endif - -HOSTCFLAGS_usage.o = -I$(srctree_slash)include +HOSTCFLAGS_usage.o = -I$(srctree_slash)include -Iinclude +HOSTCFLAGS_usage_pod.o = -I$(srctree_slash)include -Iinclude applets/applets.o: include/usage_compressed.h include/applet_tables.h -applets/usage: .config $(srctree_slash)applets/usage_compressed applets/applet_tables: .config +applets/usage: .config +applets/usage_pod: .config include/applet_tables.h quiet_cmd_gen_usage_compressed = GEN include/usage_compressed.h cmd_gen_usage_compressed = $(srctree_slash)applets/usage_compressed include/usage_compressed.h applets diff --git a/applets/applet_tables.c b/applets/applet_tables.c index 17135dd..e67f017 100644 --- a/applets/applet_tables.c +++ b/applets/applet_tables.c @@ -70,29 +70,32 @@ int main(int argc, char **argv) /* Keep in sync with include/busybox.h! */ - puts("/* This is a generated file, don't edit */\n"); + printf("/* This is a generated file, don't edit */\n\n"); printf("#define NUM_APPLETS %u\n", NUM_APPLETS); if (NUM_APPLETS == 1) { printf("#define SINGLE_APPLET_STR \"%s\"\n", applets[0].name); printf("#define SINGLE_APPLET_MAIN %s_main\n", applets[0].name); } + printf("\n"); - puts("\nconst char applet_names[] ALIGN1 = \"\""); + printf("const char applet_names[] ALIGN1 = \"\"\n"); for (i = 0; i < NUM_APPLETS; i++) { printf("\"%s\" \"\\0\"\n", applets[i].name); if (MAX_APPLET_NAME_LEN < strlen(applets[i].name)) MAX_APPLET_NAME_LEN = strlen(applets[i].name); } - puts(";"); + printf(";\n\n"); - puts("\nint (*const applet_main[])(int argc, char **argv) = {"); + printf("#ifndef SKIP_applet_main\n"); + printf("int (*const applet_main[])(int argc, char **argv) = {\n"); for (i = 0; i < NUM_APPLETS; i++) { printf("%s_main,\n", applets[i].main); } - puts("};"); + printf("};\n"); + printf("#endif\n\n"); - puts("const uint16_t applet_nameofs[] ALIGN2 = {"); + printf("const uint16_t applet_nameofs[] ALIGN2 = {\n"); for (i = 0; i < NUM_APPLETS; i++) { printf("0x%04x,\n", offset[i] @@ -105,10 +108,10 @@ int main(int argc, char **argv) #endif ); } - puts("};"); + printf("};\n\n"); #if ENABLE_FEATURE_INSTALLER - puts("const uint8_t applet_install_loc[] ALIGN1 = {"); + printf("const uint8_t applet_install_loc[] ALIGN1 = {\n"); i = 0; while (i < NUM_APPLETS) { int v = applets[i].install_loc; /* 3 bits */ @@ -117,7 +120,7 @@ int main(int argc, char **argv) printf("0x%02x,\n", v); i++; } - puts("};\n"); + printf("};\n\n"); #endif printf("#define MAX_APPLET_NAME_LEN %u\n", MAX_APPLET_NAME_LEN); diff --git a/applets/usage.c b/applets/usage.c index 1e038b3..d4fd12f 100644 --- a/applets/usage.c +++ b/applets/usage.c @@ -8,17 +8,17 @@ /* Just #include "autoconf.h" doesn't work for builds in separate * object directory */ -#include "../include/autoconf.h" +#include "autoconf.h" /* Since we can't use platform.h, have to do this again by hand: */ #if ENABLE_NOMMU -#define BB_MMU 0 -#define USE_FOR_NOMMU(...) __VA_ARGS__ -#define USE_FOR_MMU(...) +# define BB_MMU 0 +# define USE_FOR_NOMMU(...) __VA_ARGS__ +# define USE_FOR_MMU(...) #else -#define BB_MMU 1 -#define USE_FOR_NOMMU(...) -#define USE_FOR_MMU(...) __VA_ARGS__ +# define BB_MMU 1 +# define USE_FOR_NOMMU(...) +# define USE_FOR_MMU(...) __VA_ARGS__ #endif static const char usage_messages[] = "" diff --git a/applets/usage_pod.c b/applets/usage_pod.c new file mode 100644 index 0000000..058e0c8 --- /dev/null +++ b/applets/usage_pod.c @@ -0,0 +1,97 @@ +/* vi: set sw=4 ts=4: */ +/* + * Copyright (C) 2009 Denys Vlasenko. + * + * Licensed under GPLv2, see file LICENSE in this tarball for details. + */ +#include <unistd.h> +#include <stdint.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 +#define ALIGN1 /* nothing, just to placate applet_tables.h */ +#define ALIGN2 /* nothing, just to placate applet_tables.h */ +#include "applet_tables.h" + +/* Since we can't use platform.h, have to do this again by hand: */ +#if ENABLE_NOMMU +# define BB_MMU 0 +# define USE_FOR_NOMMU(...) __VA_ARGS__ +# define USE_FOR_MMU(...) +#else +# define BB_MMU 1 +# define USE_FOR_NOMMU(...) +# define USE_FOR_MMU(...) __VA_ARGS__ +#endif + +static const char usage_messages[] = "" +#define MAKE_USAGE +#include "usage.h" +#include "applets.h" +; + +int main(void) +{ + const char *names; + const char *usage; + int col, len2; + + col = 0; + names = applet_names; + while (*names) { + len2 = strlen(names) + 2; + if (col >= 76 - len2) { + printf(",\n"); + col = 0; + } + if (col == 0) { + col = 6; + printf("\t"); + } else { + printf(", "); + } + printf(names); + 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 && usage) { + if (*names >= 'a' && *names <= 'z' + && *usage != NOUSAGE_STR[0] + ) { + printf("=item B<%s>\n\n", names); + printf("%s %s\n\n", names, usage); + } + names += strlen(names) + 1; + usage += strlen(usage) + 1; + } + return 0; +} + +/* TODO: we used to make options bold with B<> and output an example too: + +=item B<cat> + +cat [B<-u>] [FILE]... + +Concatenate FILE(s) and print them to stdout + +Options: + -u Use unbuffered i/o (ignored) + +Example: + $ cat /proc/uptime + 110716.72 17.67 + +*/ |