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modprobe-small: make applets individually selectable

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2016-12-23 15:12:27 +01:00
parent ce3a98a222
commit a1cd0d9849
8 changed files with 41 additions and 32 deletions
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24
modutils/modprobe-small.c
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@ -25,11 +25,11 @@
//config: help
//config: Check if the module is already loaded.
//applet:IF_MODPROBE_SMALL(APPLET(modprobe, BB_DIR_SBIN, BB_SUID_DROP))
//applet:IF_MODPROBE_SMALL(APPLET_ODDNAME(depmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, depmod))
//applet:IF_MODPROBE_SMALL(APPLET_ODDNAME(insmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, insmod))
//applet:IF_MODPROBE_SMALL(APPLET_ODDNAME(lsmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, lsmod))
//applet:IF_MODPROBE_SMALL(APPLET_ODDNAME(rmmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, rmmod))
//applet:IF_MODPROBE(IF_MODPROBE_SMALL(APPLET(modprobe, BB_DIR_SBIN, BB_SUID_DROP)))
//applet:IF_DEPMOD(IF_MODPROBE_SMALL(APPLET_ODDNAME(depmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, depmod)))
//applet:IF_INSMOD(IF_MODPROBE_SMALL(APPLET_ODDNAME(insmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, insmod)))
//applet:IF_LSMOD(IF_MODPROBE_SMALL(APPLET_ODDNAME(lsmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, lsmod)))
//applet:IF_RMMOD(IF_MODPROBE_SMALL(APPLET_ODDNAME(rmmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, rmmod)))
//kbuild:lib-$(CONFIG_MODPROBE_SMALL) += modprobe-small.o
@ -930,7 +930,7 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv)
IF_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(char *options;)
/* are we lsmod? -> just dump /proc/modules */
if ('l' == applet0) {
if (ENABLE_LSMOD && 'l' == applet0) {
xprint_and_close_file(xfopen_for_read("/proc/modules"));
return EXIT_SUCCESS;
}
@ -940,14 +940,14 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv)
/* Prevent ugly corner cases with no modules at all */
modinfo = xzalloc(sizeof(modinfo[0]));
if ('i' != applet0) { /* not insmod */
if (!ENABLE_INSMOD || 'i' != applet0) { /* not insmod */
/* Goto modules directory */
xchdir(CONFIG_DEFAULT_MODULES_DIR);
}
uname(&uts); /* never fails */
/* depmod? */
if ('d' == applet0) {
if (ENABLE_DEPMOD && 'd' == applet0) {
/* Supported:
* -n: print result to stdout
* -a: process all modules (default)
@ -986,11 +986,11 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv)
argv += optind;
/* are we rmmod? -> simulate modprobe -r */
if ('r' == applet0) {
if (ENABLE_RMMOD && 'r' == applet0) {
option_mask32 |= OPT_r;
}
if ('i' != applet0) { /* not insmod */
if (!ENABLE_INSMOD || 'i' != applet0) { /* not insmod */
/* Goto $VERSION directory */
xchdir(uts.release);
}
@ -1014,7 +1014,7 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv)
argv[1] = NULL;
#endif
if ('i' == applet0) { /* insmod */
if (ENABLE_INSMOD && 'i' == applet0) { /* insmod */
size_t len;
void *map;
@ -1034,7 +1034,7 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv)
}
/* Try to load modprobe.dep.bb */
if ('r' != applet0) { /* not rmmod */
if (!ENABLE_RMMOD || 'r' != applet0) { /* not rmmod */
load_dep_bb();
}