*: shrink: use Vladimir's "o+" specifier instead of xatou(opt_param)

function old new delta getopt32 1370 1385 +15 sulogin_main 490 494 +4 realpath_main 84 86 +2 sleep_main 76 77 +1 mt_main 256 257 +1 printenv_main 75 74 -1 fdformat_main 546 545 -1 usleep_main 44 42 -2 setlogcons_main 77 75 -2 ed_main 2654 2649 -5 deallocvt_main 69 64 -5 addgroup_main 373 368 -5 mkfs_minix_main 2989 2982 -7 tail_main 1221 1213 -8 sv_main 1254 1241 -13 du_main 348 328 -20 tftp_main 325 302 -23 split_main 581 558 -23 nc_main 1000 977 -23 diff_main 891 868 -23 arping_main 1797 1770 -27 ls_main 893 847 -46 od_main 2797 2750 -47 readprofile_main 1944 1895 -49 tcpudpsvd_main 1973 1922 -51 udhcpc_main 2590 2513 -77 grep_main 824 722 -102 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/22 up/down: 23/-560) Total: -537 bytes text data bss dec hex filename 796973 658 7428 805059 c48c3 busybox_old 796479 662 7420 804561 c46d1 busybox_unstripped
2008-03-17 09:09:09 +00:00
parent 62a90cdd74
commit 1d42665b6b
34 changed files with 172 additions and 209 deletions
--- a/util-linux/fdformat.c
+++ b/util-linux/fdformat.c
@@ -41,7 +41,7 @@ struct format_descr {
 #define FD_FILL_BYTE 0xF6 /* format fill byte. */

 int fdformat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int fdformat_main(int argc, char **argv)
+int fdformat_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
 	int fd, n, cyl, read_bytes, verify;
 	unsigned char *data;
@@ -49,9 +49,7 @@ int fdformat_main(int argc, char **argv)
 	struct floppy_struct param;
 	struct format_descr descr;

-	if (argc < 2) {
-		bb_show_usage();
-	}
+	opt_complementary = "=1"; /* must have 1 param */
 	verify = !getopt32(argv, "n");
 	argv += optind;

--- a/util-linux/mkfs_minix.c
+++ b/util-linux/mkfs_minix.c
@@ -627,7 +627,7 @@ int mkfs_minix_main(int argc ATTRIBUTE_UNUSED, char **argv)
 	unsigned opt;
 	char *tmp;
 	struct stat statbuf;
-	char *str_i, *str_n;
+	char *str_i;
 	char *listfile = NULL;

 	INIT_G();
@@ -643,13 +643,13 @@ int mkfs_minix_main(int argc ATTRIBUTE_UNUSED, char **argv)
 		bb_error_msg_and_die("bad inode size");
 #endif

-	opt = getopt32(argv, "ci:l:n:v", &str_i, &listfile, &str_n);
+	opt_complementary = "n+"; /* -n N */
+	opt = getopt32(argv, "ci:l:n:v", &str_i, &listfile, &G.namelen);
 	argv += optind;
 	//if (opt & 1) -c
 	if (opt & 2) G.req_nr_inodes = xatoul(str_i); // -i
 	//if (opt & 4) -l
 	if (opt & 8) { // -n
-		G.namelen = xatoi_u(str_n);
 		if (G.namelen == 14) G.magic = MINIX1_SUPER_MAGIC;
 		else if (G.namelen == 30) G.magic = MINIX1_SUPER_MAGIC2;
 		else bb_show_usage();
--- a/util-linux/readprofile.c
+++ b/util-linux/readprofile.c
@@ -8,7 +8,7 @@
 */

 /*
- * 1999-02-22 Arkadiusz Mi<EFBFBD>kiewicz <misiek@pld.ORG.PL>
+ * 1999-02-22 Arkadiusz Mickiewicz <misiek@pld.ORG.PL>
 * - added Native Language Support
 * 1999-09-01 Stephane Eranian <eranian@cello.hpl.hp.com>
 * - 64bit clean patch
@@ -45,7 +45,7 @@ int readprofile_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int readprofile_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
 	FILE *map;
-	const char *mapFile, *proFile, *mult = 0;
+	const char *mapFile, *proFile;
 	unsigned long indx = 1;
 	size_t len;
 	uint64_t add0 = 0;
@@ -55,37 +55,49 @@ int readprofile_main(int argc ATTRIBUTE_UNUSED, char **argv)
 	char fn_name[S_LEN], next_name[S_LEN];   /* current and next name */
 	char mapline[S_LEN];
 	char mode[8];
-	int optAll = 0, optInfo = 0, optReset = 0;
-	int optVerbose = 0, optNative = 0;
-	int optBins = 0, optSub = 0;
 	int maplineno = 1;
 	int header_printed;
+	int multiplier = 0;
+	unsigned opt;
+	enum {
+		OPT_M = (1 << 0),
+		OPT_m = (1 << 1),
+		OPT_p = (1 << 2),
+		OPT_n = (1 << 3),
+		OPT_a = (1 << 4),
+		OPT_b = (1 << 5),
+		OPT_s = (1 << 6),
+		OPT_i = (1 << 7),
+		OPT_r = (1 << 8),
+		OPT_v = (1 << 9),
+	};
+#define optMult    (opt & OPT_M)
+#define optNative  (opt & OPT_n)
+#define optAll     (opt & OPT_a)
+#define optBins    (opt & OPT_b)
+#define optSub     (opt & OPT_s)
+#define optInfo    (opt & OPT_i)
+#define optReset   (opt & OPT_r)
+#define optVerbose (opt & OPT_v)

 #define next (current^1)

 	proFile = defaultpro;
 	mapFile = defaultmap;

-	opt_complementary = "nn:aa:bb:ss:ii:rr:vv";
-	getopt32(argv, "M:m:p:nabsirv",
-			&mult, &mapFile, &proFile,
-			&optNative, &optAll, &optBins, &optSub,
-			&optInfo, &optReset, &optVerbose);
+	opt_complementary = "M+"; /* -M N */
+	opt = getopt32(argv, "M:m:p:nabsirv", &multiplier, &mapFile, &proFile);

-	if (optReset || mult) {
-		int multiplier, fd, to_write;
+	if (opt & (OPT_M|OPT_r)) { /* mult or reset, or both */
+		int fd, to_write;

 		/*
 		 * When writing the multiplier, if the length of the write is
 		 * not sizeof(int), the multiplier is not changed
 		 */
-		if (mult) {
-			multiplier = xatoi_u(mult);
-			to_write = sizeof(int);
-		} else {
-			multiplier = 0;
+		to_write = sizeof(int);
+		if (!optMult)
 			to_write = 1;	/* sth different from sizeof(int) */
-		}

 		fd = xopen(defaultpro, O_WRONLY);
 		xwrite(fd, &multiplier, to_write);
@@ -187,8 +199,9 @@ int readprofile_main(int argc ATTRIBUTE_UNUSED, char **argv)
 		if (optBins) {
 			if (optVerbose || this > 0)
 				printf("  total\t\t\t\t%u\n", this);
-		} else if ((this || optAll) &&
-			   (fn_len = next_add-fn_add) != 0) {
+		} else if ((this || optAll)
+		        && (fn_len = next_add-fn_add) != 0
+		) {
 			if (optVerbose)
 				printf("%016llx %-40s %6i %8.4f\n", fn_add,
 				       fn_name, this, this/(double)fn_len);
--- a/util-linux/setarch.c
+++ b/util-linux/setarch.c
@@ -12,7 +12,7 @@
 #include "libbb.h"

 int setarch_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int setarch_main(int ATTRIBUTE_UNUSED argc, char **argv)
+int setarch_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
 	int pers = -1;

--- a/util-linux/swaponoff.c
+++ b/util-linux/swaponoff.c
@@ -59,11 +59,11 @@ static int do_em_all(void)
 }

 int swap_on_off_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int swap_on_off_main(int argc, char **argv)
+int swap_on_off_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
 	int ret;

-	if (argc == 1)
+	if (!argv[1])
 		bb_show_usage();

 	ret = getopt32(argv, "a");