fix breakage found by randomconfig

7 files changed, 20 insertions, 15 deletions

diff --git a/Config.in b/Config.in
index e70caf5a1..416ffaad4 100644
--- a/Config.in
+++ b/Config.in
@@ -293,10 +293,12 @@ config NOMMU
 
           Most people will leave this set to 'N'.
 
+# PIE can be made to work with BUILD_LIBBUSYBOX, but currently
+# build system does not support that
 config BUILD_LIBBUSYBOX
         bool "Build shared libbusybox"
         default n
-        depends on !FEATURE_PREFER_APPLETS
+        depends on !FEATURE_PREFER_APPLETS && !PIE
         help
           Build a shared library libbusybox.so.N.N.N which contains all
           busybox code.
diff --git a/Makefile b/Makefile
index 37b6d9bf9..1bcf1e105 100644
--- a/Makefile
+++ b/Makefile
@@ -698,6 +698,8 @@ ifeq ($(SKIP_STRIP),y)
 else
         $(Q)$(STRIP) -s --remove-section=.note --remove-section=.comment \
                 busybox_unstripped -o $@
+# strip is confused by PIE executable and does not set exec bits
+        $(Q)chmod a+x $@
 endif
 
 # The actual objects are generated when descending,
diff --git a/coreutils/ls.c b/coreutils/ls.c
index 56be12a64..83ad8cd00 100644
--- a/coreutils/ls.c
+++ b/coreutils/ls.c
@@ -171,8 +171,8 @@ enum {
 /* memset: we have to zero it out because of NOEXEC */
 #define INIT_G() { \
         memset(&G, 0, sizeof(G)); \
-        tabstops = COLUMN_GAP; \
-        terminal_width = TERMINAL_WIDTH; \
+        USE_FEATURE_AUTOWIDTH(tabstops = COLUMN_GAP;) \
+        USE_FEATURE_AUTOWIDTH(terminal_width = TERMINAL_WIDTH;) \
         USE_FEATURE_LS_TIMESTAMPS(time(&current_time_t);) \
 }
 
diff --git a/editors/diff.c b/editors/diff.c
index 26f352780..ad089e2a6 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -161,14 +161,14 @@ struct globals {
 } while (0)
 
 
-/*static void print_only(const char *path, size_t dirlen, const char *entry)*/
+#if ENABLE_FEATURE_DIFF_DIR
 static void print_only(const char *path, const char *entry)
 {
         printf("Only in %s: %s\n", path, entry);
 }
+#endif
 
 
-/*static void print_status(int val, char *path1, char *path2, char *entry)*/
 static void print_status(int val, char *_path1, char *_path2)
 {
         /*const char *const _entry = entry ? entry : "";*/
diff --git a/libbb/Kbuild b/libbb/Kbuild
index 7bb0f3bfe..5cbecd537 100644
--- a/libbb/Kbuild
+++ b/libbb/Kbuild
@@ -119,9 +119,9 @@ lib-$(CONFIG_CHPASSWD) += pw_encrypt.o crypt_make_salt.o update_passwd.o
 lib-$(CONFIG_CRYPTPW) += pw_encrypt.o crypt_make_salt.o
 lib-$(CONFIG_SULOGIN) += pw_encrypt.o
 lib-$(CONFIG_FEATURE_HTTPD_AUTH_MD5) += pw_encrypt.o
-lib-$(CONFIG_VLOCK) += correct_password.o
-lib-$(CONFIG_SU) += correct_password.o
-lib-$(CONFIG_LOGIN) += correct_password.o
+lib-$(CONFIG_VLOCK) += pw_encrypt.o correct_password.o
+lib-$(CONFIG_SU) += pw_encrypt.o correct_password.o
+lib-$(CONFIG_LOGIN) += pw_encrypt.o correct_password.o
 lib-$(CONFIG_DF) += find_mount_point.o
 lib-$(CONFIG_MKFS_MINIX) += find_mount_point.o
 lib-$(CONFIG_SELINUX) += selinux_common.o
diff --git a/shell/ash.c b/shell/ash.c
index d4da391a0..dd20fe338 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -8983,7 +8983,7 @@ preadfd(void)
                 }
         }
 #else
-        nr = nonblock_safe_read(parsefile->fd, buf, BUFSIZ - 1);
+        nr = nonblock_safe_read(g_parsefile->fd, buf, BUFSIZ - 1);
 #endif
 
 #if 0
diff --git a/shell/hush.c b/shell/hush.c
index 02eae7d5b..01c9dc8ef 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -399,11 +399,11 @@ struct globals {
 #if ENABLE_FEATURE_EDITING
         line_input_t *line_input_state;
 #endif
+        pid_t root_pid;
 #if ENABLE_HUSH_JOB
         int run_list_level;
         pid_t saved_task_pgrp;
         pid_t saved_tty_pgrp;
-        pid_t root_pid;
         int last_jobid;
         struct pipe *job_list;
         struct pipe *toplevel_list;
@@ -446,11 +446,11 @@ enum { run_list_level = 0 };
 #if ENABLE_FEATURE_EDITING
 #define line_input_state (G.line_input_state)
 #endif
+#define root_pid         (G.root_pid        )
 #if ENABLE_HUSH_JOB
 #define run_list_level   (G.run_list_level  )
 #define saved_task_pgrp  (G.saved_task_pgrp )
 #define saved_tty_pgrp   (G.saved_tty_pgrp  )
-#define root_pid         (G.root_pid        )
 #define last_jobid       (G.last_jobid      )
 #define job_list         (G.job_list        )
 #define toplevel_list    (G.toplevel_list   )
@@ -1065,7 +1065,7 @@ static int o_save_ptr_helper(o_string *o, int n)
                 debug_printf_list("list[%d]=%d string_start=%d (empty slot)\n", n, string_len, string_start);
                 o->has_empty_slot = 0;
         }
-        list[n] = (char*)string_len;
+        list[n] = (char*)(ptrdiff_t)string_len;
         return n + 1;
 }
 
@@ -1075,7 +1075,7 @@ static int o_get_last_ptr(o_string *o, int n)
         char **list = (char**)o->data;
         int string_start = ((n + 0xf) & ~0xf) * sizeof(list[0]);
 
-        return ((int)list[n-1]) + string_start;
+        return ((int)(ptrdiff_t)list[n-1]) + string_start;
 }
 
 /* o_glob performs globbing on last list[], saving each result
@@ -1152,7 +1152,7 @@ static char **o_finalize_list(o_string *o, int n)
         list[--n] = NULL;
         while (n) {
                 n--;
-                list[n] = o->data + (int)list[n] + string_start;
+                list[n] = o->data + (int)(ptrdiff_t)list[n] + string_start;
         }
         return list;
 }
@@ -2012,6 +2012,7 @@ static int run_list(struct pipe *pi)
 #else
         enum { if_code = 0, next_if_code = 0 };
 #endif
+// TODO: rword and ->res_word are not needed if !LOOPS and !IF
         reserved_style rword;
         reserved_style skip_more_for_this_rword = RES_XXXX;
 
@@ -3009,7 +3010,7 @@ static void done_pipe(struct p_context *ctx, pipe_style type)
          * IOW: it is safe to do it unconditionally.
          * RES_IN case is for "for a in; do ..." (empty IN set)
          * to work. */
-        if (not_null || ctx->pipe->res_word == RES_IN) {
+        if (not_null USE_HUSH_LOOPS(|| ctx->pipe->res_word == RES_IN)) {
                 struct pipe *new_p = new_pipe();
                 ctx->pipe->next = new_p;
                 ctx->pipe = new_p;