randomconfig fixes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

libbb/procps.c

@@ -177,6 +177,7 @@ static char *skip_fields(char *str, int count)
 }
 #endif
 
+#if ENABLE_FEATURE_TOPMEM || ENABLE_PMAP
 static char* skip_whitespace_if_prefixed_with(char *buf, const char *prefix)
 {
 	char *tp = is_prefixed_with(buf, prefix);
@@ -186,7 +187,6 @@ static char* skip_whitespace_if_prefixed_with(char *buf, const char *prefix)
 	return tp;
 }
 
-#if ENABLE_FEATURE_TOPMEM || ENABLE_PMAP
 int FAST_FUNC procps_read_smaps(pid_t pid, struct smaprec *total,
 		void (*cb)(struct smaprec *, void *), void *data)
 {

loginutils/login.c

@@ -341,7 +341,7 @@ int login_main(int argc UNUSED_PARAM, char **argv)
 #if ENABLE_LOGIN_SESSION_AS_CHILD
 	pid_t child_pid;
 #endif
-	pid_t my_pid;
+	IF_FEATURE_UTMP(pid_t my_pid;)
 
 	INIT_G();
 
@@ -524,7 +524,7 @@ int login_main(int argc UNUSED_PARAM, char **argv)
 	if (pw->pw_uid != 0)
 		die_if_nologin();
 
-	my_pid = getpid();
+	IF_FEATURE_UTMP(my_pid = getpid();)
 	update_utmp(my_pid, USER_PROCESS, short_tty, username, run_by_root ? opt_host : NULL);
 
 #if ENABLE_LOGIN_SESSION_AS_CHILD

miscutils/dc.c

@@ -100,7 +100,7 @@ static void mod(void)
 	 * 0
 	 */
 	if (d == 0) {
-		bb_error_msg("remainder by zero");
+		bb_simple_error_msg("remainder by zero");
 		pop();
 		push(0);
 		return;

miscutils/devfsd.c

@@ -362,7 +362,7 @@ static const char bb_msg_variable_not_found[] ALIGN1 = "variable: %s not found";
 
 static void safe_memcpy(char *dest, const char *src, int len)
 {
-	memcpy(dest , src, len);
+	memcpy(dest, src, len);
 	dest[len] = '\0';
 }
 

miscutils/i2c_tools.c

@@ -273,7 +273,7 @@ static int i2c_bus_lookup(const char *bus_str)
 	return xstrtou_range(bus_str, 10, 0, 0xfffff);
 }
 
-#if ENABLE_I2CGET || ENABLE_I2CSET || ENABLE_I2CDUMP || ENABLE_I2CTRANSFER
+#if ENABLE_I2CGET || ENABLE_I2CSET || ENABLE_I2CDUMP
 static int i2c_parse_bus_addr(const char *addr_str)
 {
 	/* Slave address must be in range 0x03 - 0x77. */
@@ -286,14 +286,16 @@ static void i2c_set_pec(int fd, int pec)
 				itoptr(pec ? 1 : 0),
 				"can't set PEC");
 }
+#endif
 
+#if ENABLE_I2CGET || ENABLE_I2CSET || ENABLE_I2CDUMP || ENABLE_I2CTRANSFER
 static void i2c_set_slave_addr(int fd, int addr, int force)
 {
 	ioctl_or_perror_and_die(fd, force ? I2C_SLAVE_FORCE : I2C_SLAVE,
 				itoptr(addr),
 				"can't set address to 0x%02x", addr);
 }
-#endif /* ENABLE_I2CGET || ENABLE_I2CSET || ENABLE_I2CDUMP */
+#endif
 
 #if ENABLE_I2CGET || ENABLE_I2CSET
 static int i2c_parse_data_addr(const char *data_addr)

networking/libiproute/ipaddress.c

@@ -21,6 +21,12 @@
 #define IFF_LOWER_UP  0x10000  /* driver signals L1 up */
 #endif
 
+#ifndef IFA_F_NOPREFIXROUTE
+# define IFA_FLAGS           8
+/* ifa_flags */
+# define IFA_F_NOPREFIXROUTE 0x200
+#endif
+
 struct filter_t {
 	char *label;
 	/* Flush cmd buf. If !NULL, print_addrinfo() constructs flush commands in it */

networking/telnet.c

@@ -368,12 +368,16 @@ static void put_iac2_msb_lsb(unsigned x_y)
 }
 #define put_iac2_x_y(x,y) put_iac2_msb_lsb(((x)<<8) + (y))
 
+#if ENABLE_FEATURE_TELNET_WIDTH \
+ || ENABLE_FEATURE_TELNET_TTYPE \
+ || ENABLE_FEATURE_TELNET_AUTOLOGIN
 static void put_iac4_msb_lsb(unsigned x_y_z_t)
 {
 	put_iac2_msb_lsb(x_y_z_t >> 16);
 	put_iac2_msb_lsb(x_y_z_t);  /* "... & 0xffff" is implicit */
 }
 #define put_iac4_x_y_z_t(x,y,z,t) put_iac4_msb_lsb(((x)<<24) + ((y)<<16) + ((z)<<8) + (t))
+#endif
 
 static void put_iac3_IAC_x_y_merged(unsigned wwdd_and_c)
 {

networking/traceroute.c

@@ -483,7 +483,7 @@ wait_for_reply(unsigned *timestamp_us, int *left_ms)
 				&G.from_lsa->u.sa, &G.from_lsa->len);
 #endif
 		if (read_len < 0)
-			bb_perror_msg_and_die("recv");
+			bb_simple_perror_msg_and_die("recv");
 		t = monotonic_us();
 		*left_ms -= (t - *timestamp_us) / 1000;
 		*timestamp_us = t;

runit/runsv.c

@@ -58,11 +58,19 @@ static void gettimeofday_ns(struct timespec *ts)
 #else
 static void gettimeofday_ns(struct timespec *ts)
 {
-	BUILD_BUG_ON(sizeof(struct timeval) != sizeof(struct timespec));
-	BUILD_BUG_ON(sizeof(((struct timeval*)ts)->tv_usec) != sizeof(ts->tv_nsec));
+	if (sizeof(struct timeval) == sizeof(struct timespec)
+	 && sizeof(((struct timeval*)ts)->tv_usec) == sizeof(ts->tv_nsec)
+	) {
 		/* Cheat */
 		gettimeofday((void*)ts, NULL);
 		ts->tv_nsec *= 1000;
+	} else {
+		/* For example, musl has "incompatible" layouts */
+		struct timeval tv;
+	        gettimeofday(&tv, NULL);
+		ts->tv_sec = tv.tv_sec;
+		ts->tv_nsec = tv.tv_usec * 1000;
+	}
 }
 #endif
 

shell/hush.c

@@ -653,7 +653,7 @@ struct command {
 /* used for "[[ EXPR ]]" */
 # define CMD_TEST2_SINGLEWORD_NOGLOB 2
 #endif
-#if ENABLE_HUSH_LOCAL || ENABLE_HUSH_EXPORT || ENABLE_HUSH_READONLY
+#if BASH_TEST2 || ENABLE_HUSH_LOCAL || ENABLE_HUSH_EXPORT || ENABLE_HUSH_READONLY
 /* used to prevent word splitting and globbing in "export v=t*" */
 # define CMD_SINGLEWORD_NOGLOB 3
 #endif
@@ -8762,6 +8762,7 @@ static int process_wait_result(struct pipe *fg_pipe, pid_t childpid, int status)
 				 */
 				if (WIFSIGNALED(status)) {
 					int sig = WTERMSIG(status);
+#if ENABLE_HUSH_JOB
 					if (G.run_list_level == 1
 					/* ^^^^^ Do not print in nested contexts, example:
 					 * echo `sleep 1; sh -c 'kill -9 $$'` - prints "137", NOT "Killed 137"
@@ -8771,6 +8772,7 @@ static int process_wait_result(struct pipe *fg_pipe, pid_t childpid, int status)
 						/* strsignal() is for bash compat. ~600 bloat versus bbox's get_signame() */
 						puts(sig == SIGINT || sig == SIGPIPE ? "" : strsignal(sig));
 					}
+#endif
 					/* TODO: if (WCOREDUMP(status)) + " (core dumped)"; */
 					/* MIPS has 128 sigs (1..128), if sig==128,
 					 * 128 + sig would result in exitcode 256 -> 0!

testsuite/mount.tests

@@ -34,6 +34,8 @@ umount -d "$testdir" 2>/dev/null
 #   file input will be file called "input"
 #   test can create a file "actual" instead of writing to stdout
 
+# This will always fail on !CONFIG_MANDATORY_FILE_LOCKING kernels
+test "$SKIP_MOUNT_MAND_TESTS" = "1" || \
 testing "mount -o remount,mand" \
 "mount -o loop mount.image1m $testdir "\
 "&& grep -Fc $testdir </proc/mounts "\

testsuite/xargs.tests

@@ -61,7 +61,7 @@ testing "xargs -n2" \
 
 SKIP=
 
-optional FEATURE_XARGS_SUPPORT_QUOTES
+optional FEATURE_XARGS_SUPPORT_QUOTES FEATURE_XARGS_SUPPORT_REPL_STR
 testing "xargs -I skips empty lines and leading whitespace" \
 	"xargs -I% echo '[%]'" \
 	"[2]\n[4]\n[6 6 ]\n[7]\n" \

util-linux/fdisk.c

@@ -185,8 +185,11 @@ struct hd_geometry {
 
 #define HDIO_GETGEO     0x0301  /* get device geometry */
 
-/* TODO: #if ENABLE_FEATURE_FDISK_WRITABLE */
+/* TODO: just #if ENABLE_FEATURE_FDISK_WRITABLE */
 /* (currently fdisk_sun/sgi.c do not have proper WRITABLE #ifs) */
+#if ENABLE_FEATURE_FDISK_WRITABLE \
+ || ENABLE_FEATURE_SGI_LABEL \
+ || ENABLE_FEATURE_SUN_LABEL
 static const char msg_building_new_label[] ALIGN1 =
 "Building a new %s. Changes will remain in memory only,\n"
 "until you decide to write them. After that the previous content\n"
@@ -194,7 +197,7 @@ static const char msg_building_new_label[] ALIGN1 =
 
 static const char msg_part_already_defined[] ALIGN1 =
 "Partition %u is already defined, delete it before re-adding\n";
-/* #endif */
+#endif
 
 
 struct partition {