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| author | Denys Vlasenko | 2017-07-03 21:31:16 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2017-07-03 21:31:16 +0200 |
| commit | d4e4fdb5ce5ccc067b3d35d877f7a7d978869517 (patch) | |
| tree | bac3e4a55fa72db0c67d377b90869b4d63e8c3c9 /libbb | |
| parent | 2e989ef232e35750df573898077dd356003705b2 (diff) | |
| download | busybox-d4e4fdb5ce5ccc067b3d35d877f7a7d978869517.zip busybox-d4e4fdb5ce5ccc067b3d35d877f7a7d978869517.tar.gz | |
fixes for bugs found by make_single_applets.sh
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/appletlib.c | 20 | ||||
| -rw-r--r-- | libbb/getopt32.c | 4 | ||||
| -rw-r--r-- | libbb/vfork_daemon_rexec.c | 3 |
3 files changed, 19 insertions, 8 deletions
diff --git a/libbb/appletlib.c b/libbb/appletlib.c index 7f0d620..2dea2b4 100644 --- a/libbb/appletlib.c +++ b/libbb/appletlib.c @@ -78,6 +78,17 @@ #endif +unsigned FAST_FUNC string_array_len(char **argv) +{ + char **start = argv; + + while (*argv) + argv++; + + return argv - start; +} + + #if ENABLE_SHOW_USAGE && !ENABLE_FEATURE_COMPRESS_USAGE static const char usage_messages[] ALIGN1 = UNPACKED_USAGE; #else @@ -868,10 +879,7 @@ static int busybox_main(char **argv) # if NUM_APPLETS > 0 void FAST_FUNC run_applet_no_and_exit(int applet_no, char **argv) { - int argc = 1; - - while (argv[argc]) - argc++; + int argc = string_array_len(argv); /* Reinit some shared global data */ xfunc_error_retval = EXIT_FAILURE; @@ -993,7 +1001,11 @@ int main(int argc UNUSED_PARAM, char **argv) } /* applet_names in this case is just "applet\0\0" */ lbb_prepare(applet_names IF_FEATURE_INDIVIDUAL(, argv)); +# if ENABLE_BUILD_LIBBUSYBOX + return SINGLE_APPLET_MAIN(string_array_len(argv), argv); +# else return SINGLE_APPLET_MAIN(argc, argv); +# endif #elif !ENABLE_BUSYBOX && NUM_APPLETS == 0 diff --git a/libbb/getopt32.c b/libbb/getopt32.c index b87b835..80f4cc0 100644 --- a/libbb/getopt32.c +++ b/libbb/getopt32.c @@ -379,9 +379,7 @@ getopt32(char **argv, const char *applet_opts, ...) int spec_flgs = 0; /* skip 0: some applets cheat: they do not actually HAVE argv[0] */ - argc = 1; - while (argv[argc]) - argc++; + argc = 1 + string_array_len(argv + 1); va_start(p, applet_opts); diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c index fd481bf..2695f99 100644 --- a/libbb/vfork_daemon_rexec.c +++ b/libbb/vfork_daemon_rexec.c @@ -16,6 +16,7 @@ */ #include "busybox.h" /* uses applet tables */ +#include "NUM_APPLETS.h" /* This does a fork/exec in one call, using vfork(). Returns PID of new child, * -1 for failure. Runs argv[0], searching path if that has no / in it. */ @@ -156,7 +157,7 @@ int FAST_FUNC run_nofork_applet(int applet_no, char **argv) int FAST_FUNC spawn_and_wait(char **argv) { int rc; -#if ENABLE_FEATURE_PREFER_APPLETS +#if ENABLE_FEATURE_PREFER_APPLETS && (NUM_APPLETS > 1) int a = find_applet_by_name(argv[0]); if (a >= 0) { |