[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/util-linux/getopt.c b/ap/app/busybox/src/util-linux/getopt.c
new file mode 100644
index 0000000..1ae0c59
--- /dev/null
+++ b/ap/app/busybox/src/util-linux/getopt.c
@@ -0,0 +1,422 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * getopt.c - Enhanced implementation of BSD getopt(1)
+ *   Copyright (c) 1997, 1998, 1999, 2000  Frodo Looijaard <frodol@dds.nl>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+/*
+ * Version 1.0-b4: Tue Sep 23 1997. First public release.
+ * Version 1.0: Wed Nov 19 1997.
+ *   Bumped up the version number to 1.0
+ *   Fixed minor typo (CSH instead of TCSH)
+ * Version 1.0.1: Tue Jun 3 1998
+ *   Fixed sizeof instead of strlen bug
+ *   Bumped up the version number to 1.0.1
+ * Version 1.0.2: Thu Jun 11 1998 (not present)
+ *   Fixed gcc-2.8.1 warnings
+ *   Fixed --version/-V option (not present)
+ * Version 1.0.5: Tue Jun 22 1999
+ *   Make -u option work (not present)
+ * Version 1.0.6: Tue Jun 27 2000
+ *   No important changes
+ * Version 1.1.0: Tue Jun 30 2000
+ *   Added NLS support (partly written by Arkadiusz Mickiewicz
+ *     <misiek@misiek.eu.org>)
+ * Ported to Busybox - Alfred M. Szmidt <ams@trillian.itslinux.org>
+ *  Removed --version/-V and --help/-h
+ *  Removed parse_error(), using bb_error_msg() from Busybox instead
+ *  Replaced our_malloc with xmalloc and our_realloc with xrealloc
+ *
+ */
+
+//usage:#define getopt_trivial_usage
+//usage:       "[OPTIONS] [--] OPTSTRING PARAMS"
+//usage:#define getopt_full_usage "\n\n"
+//usage:	IF_LONG_OPTS(
+//usage:       "	-a,--alternative		Allow long options starting with single -"
+//usage:     "\n	-l,--longoptions=LOPT[,...]	Long options to be recognized"
+//usage:     "\n	-n,--name=PROGNAME		The name under which errors are reported"
+//usage:     "\n	-o,--options=OPTSTRING		Short options to be recognized"
+//usage:     "\n	-q,--quiet			Disable error reporting by getopt(3)"
+//usage:     "\n	-Q,--quiet-output		No normal output"
+//usage:     "\n	-s,--shell=SHELL		Set shell quoting conventions"
+//usage:     "\n	-T,--test			Test for getopt(1) version"
+//usage:     "\n	-u,--unquoted			Don't quote the output"
+//usage:	)
+//usage:	IF_NOT_LONG_OPTS(
+//usage:       "	-a		Allow long options starting with single -"
+//usage:     "\n	-l LOPT[,...]	Long options to be recognized"
+//usage:     "\n	-n PROGNAME	The name under which errors are reported"
+//usage:     "\n	-o OPTSTRING	Short options to be recognized"
+//usage:     "\n	-q		Disable error reporting by getopt(3)"
+//usage:     "\n	-Q		No normal output"
+//usage:     "\n	-s SHELL	Set shell quoting conventions"
+//usage:     "\n	-T		Test for getopt(1) version"
+//usage:     "\n	-u		Don't quote the output"
+//usage:	)
+//usage:     "\n"
+//usage:     "\nExample:"
+//usage:     "\n"
+//usage:     "\nO=`getopt -l bb: -- ab:c:: \"$@\"` || exit 1"
+//usage:     "\neval set -- \"$O\""
+//usage:     "\nwhile true; do"
+//usage:     "\n	case \"$1\" in"
+//usage:     "\n	-a)	echo A; shift;;"
+//usage:     "\n	-b|--bb) echo \"B:'$2'\"; shift 2;;"
+//usage:     "\n	-c)	case \"$2\" in"
+//usage:     "\n		\"\")	echo C; shift 2;;"
+//usage:     "\n		*)	echo \"C:'$2'\"; shift 2;;"
+//usage:     "\n		esac;;"
+//usage:     "\n	--)	shift; break;;"
+//usage:     "\n	*)	echo Error; exit 1;;"
+//usage:     "\n	esac"
+//usage:     "\ndone"
+//usage:
+//usage:#define getopt_example_usage
+//usage:       "$ cat getopt.test\n"
+//usage:       "#!/bin/sh\n"
+//usage:       "GETOPT=`getopt -o ab:c:: --long a-long,b-long:,c-long:: \\\n"
+//usage:       "       -n 'example.busybox' -- \"$@\"`\n"
+//usage:       "if [ $? != 0 ]; then exit 1; fi\n"
+//usage:       "eval set -- \"$GETOPT\"\n"
+//usage:       "while true; do\n"
+//usage:       " case $1 in\n"
+//usage:       "   -a|--a-long) echo \"Option a\"; shift;;\n"
+//usage:       "   -b|--b-long) echo \"Option b, argument '$2'\"; shift 2;;\n"
+//usage:       "   -c|--c-long)\n"
+//usage:       "     case \"$2\" in\n"
+//usage:       "       \"\") echo \"Option c, no argument\"; shift 2;;\n"
+//usage:       "       *)  echo \"Option c, argument '$2'\"; shift 2;;\n"
+//usage:       "     esac;;\n"
+//usage:       "   --) shift; break;;\n"
+//usage:       "   *) echo \"Internal error!\"; exit 1;;\n"
+//usage:       " esac\n"
+//usage:       "done\n"
+
+#if ENABLE_FEATURE_GETOPT_LONG
+# include <getopt.h>
+#endif
+#include "libbb.h"
+
+/* NON_OPT is the code that is returned when a non-option is found in '+'
+   mode */
+enum {
+	NON_OPT = 1,
+#if ENABLE_FEATURE_GETOPT_LONG
+/* LONG_OPT is the code that is returned when a long option is found. */
+	LONG_OPT = 2
+#endif
+};
+
+/* For finding activated option flags. Must match getopt32 call! */
+enum {
+	OPT_o	= 0x1,	// -o
+	OPT_n	= 0x2,	// -n
+	OPT_q	= 0x4,	// -q
+	OPT_Q	= 0x8,	// -Q
+	OPT_s	= 0x10,	// -s
+	OPT_T	= 0x20,	// -T
+	OPT_u	= 0x40,	// -u
+#if ENABLE_FEATURE_GETOPT_LONG
+	OPT_a	= 0x80,	// -a
+	OPT_l	= 0x100, // -l
+#endif
+	SHELL_IS_TCSH = 0x8000, /* hijack this bit for other purposes */
+};
+
+/* 0 is getopt_long, 1 is getopt_long_only */
+#define alternative  (option_mask32 & OPT_a)
+
+#define quiet_errors (option_mask32 & OPT_q)
+#define quiet_output (option_mask32 & OPT_Q)
+#define quote        (!(option_mask32 & OPT_u))
+#define shell_TCSH   (option_mask32 & SHELL_IS_TCSH)
+
+/*
+ * This function 'normalizes' a single argument: it puts single quotes around
+ * it and escapes other special characters. If quote is false, it just
+ * returns its argument.
+ * Bash only needs special treatment for single quotes; tcsh also recognizes
+ * exclamation marks within single quotes, and nukes whitespace.
+ * This function returns a pointer to a buffer that is overwritten by
+ * each call.
+ */
+static const char *normalize(const char *arg)
+{
+	char *bufptr;
+#if ENABLE_FEATURE_CLEAN_UP
+	static char *BUFFER = NULL;
+	free(BUFFER);
+#else
+	char *BUFFER;
+#endif
+
+	if (!quote) { /* Just copy arg */
+		BUFFER = xstrdup(arg);
+		return BUFFER;
+	}
+
+	/* Each character in arg may take up to four characters in the result:
+	   For a quote we need a closing quote, a backslash, a quote and an
+	   opening quote! We need also the global opening and closing quote,
+	   and one extra character for '\0'. */
+	BUFFER = xmalloc(strlen(arg)*4 + 3);
+
+	bufptr = BUFFER;
+	*bufptr ++= '\'';
+
+	while (*arg) {
+		if (*arg == '\'') {
+			/* Quote: replace it with: '\'' */
+			*bufptr ++= '\'';
+			*bufptr ++= '\\';
+			*bufptr ++= '\'';
+			*bufptr ++= '\'';
+		} else if (shell_TCSH && *arg == '!') {
+			/* Exclamation mark: replace it with: \! */
+			*bufptr ++= '\'';
+			*bufptr ++= '\\';
+			*bufptr ++= '!';
+			*bufptr ++= '\'';
+		} else if (shell_TCSH && *arg == '\n') {
+			/* Newline: replace it with: \n */
+			*bufptr ++= '\\';
+			*bufptr ++= 'n';
+		} else if (shell_TCSH && isspace(*arg)) {
+			/* Non-newline whitespace: replace it with \<ws> */
+			*bufptr ++= '\'';
+			*bufptr ++= '\\';
+			*bufptr ++= *arg;
+			*bufptr ++= '\'';
+		} else
+			/* Just copy */
+			*bufptr ++= *arg;
+		arg++;
+	}
+	*bufptr ++= '\'';
+	*bufptr ++= '\0';
+	return BUFFER;
+}
+
+/*
+ * Generate the output. argv[0] is the program name (used for reporting errors).
+ * argv[1..] contains the options to be parsed. argc must be the number of
+ * elements in argv (ie. 1 if there are no options, only the program name),
+ * optstr must contain the short options, and longopts the long options.
+ * Other settings are found in global variables.
+ */
+#if !ENABLE_FEATURE_GETOPT_LONG
+#define generate_output(argv,argc,optstr,longopts) \
+	generate_output(argv,argc,optstr)
+#endif
+static int generate_output(char **argv, int argc, const char *optstr, const struct option *longopts)
+{
+	int exit_code = 0; /* We assume everything will be OK */
+	int opt;
+#if ENABLE_FEATURE_GETOPT_LONG
+	int longindex;
+#endif
+	const char *charptr;
+
+	if (quiet_errors) /* No error reporting from getopt(3) */
+		opterr = 0;
+
+	/* We used it already in main() in getopt32(),
+	 * we *must* reset getopt(3): */
+#ifdef __GLIBC__
+	optind = 0;
+#else /* BSD style */
+	optind = 1;
+	/* optreset = 1; */
+#endif
+
+	while (1) {
+		opt =
+#if ENABLE_FEATURE_GETOPT_LONG
+			alternative ?
+			getopt_long_only(argc, argv, optstr, longopts, &longindex) :
+			getopt_long(argc, argv, optstr, longopts, &longindex);
+#else
+			getopt(argc, argv, optstr);
+#endif
+		if (opt == -1)
+			break;
+		if (opt == '?' || opt == ':' )
+			exit_code = 1;
+		else if (!quiet_output) {
+#if ENABLE_FEATURE_GETOPT_LONG
+			if (opt == LONG_OPT) {
+				printf(" --%s", longopts[longindex].name);
+				if (longopts[longindex].has_arg)
+					printf(" %s",
+						normalize(optarg ? optarg : ""));
+			} else
+#endif
+			if (opt == NON_OPT)
+				printf(" %s", normalize(optarg));
+			else {
+				printf(" -%c", opt);
+				charptr = strchr(optstr, opt);
+				if (charptr != NULL && *++charptr == ':')
+					printf(" %s",
+						normalize(optarg ? optarg : ""));
+			}
+		}
+	}
+
+	if (!quiet_output) {
+		printf(" --");
+		while (optind < argc)
+			printf(" %s", normalize(argv[optind++]));
+		bb_putchar('\n');
+	}
+	return exit_code;
+}
+
+#if ENABLE_FEATURE_GETOPT_LONG
+/*
+ * Register several long options. options is a string of long options,
+ * separated by commas or whitespace.
+ * This nukes options!
+ */
+static struct option *add_long_options(struct option *long_options, char *options)
+{
+	int long_nr = 0;
+	int arg_opt, tlen;
+	char *tokptr = strtok(options, ", \t\n");
+
+	if (long_options)
+		while (long_options[long_nr].name)
+			long_nr++;
+
+	while (tokptr) {
+		arg_opt = no_argument;
+		tlen = strlen(tokptr);
+		if (tlen) {
+			tlen--;
+			if (tokptr[tlen] == ':') {
+				arg_opt = required_argument;
+				if (tlen && tokptr[tlen-1] == ':') {
+					tlen--;
+					arg_opt = optional_argument;
+				}
+				tokptr[tlen] = '\0';
+				if (tlen == 0)
+					bb_error_msg_and_die("empty long option specified");
+			}
+			long_options = xrealloc_vector(long_options, 4, long_nr);
+			long_options[long_nr].has_arg = arg_opt;
+			/*long_options[long_nr].flag = NULL; - xrealloc_vector did it */
+			long_options[long_nr].val = LONG_OPT;
+			long_options[long_nr].name = xstrdup(tokptr);
+			long_nr++;
+			/*memset(&long_options[long_nr], 0, sizeof(long_options[0])); - xrealloc_vector did it */
+		}
+		tokptr = strtok(NULL, ", \t\n");
+	}
+	return long_options;
+}
+#endif
+
+static void set_shell(const char *new_shell)
+{
+	if (!strcmp(new_shell, "bash") || !strcmp(new_shell, "sh"))
+		return;
+	if (!strcmp(new_shell, "tcsh") || !strcmp(new_shell, "csh"))
+		option_mask32 |= SHELL_IS_TCSH;
+	else
+		bb_error_msg("unknown shell '%s', assuming bash", new_shell);
+}
+
+
+/* Exit codes:
+ *   0) No errors, successful operation.
+ *   1) getopt(3) returned an error.
+ *   2) A problem with parameter parsing for getopt(1).
+ *   3) Internal error, out of memory
+ *   4) Returned for -T
+ */
+
+#if ENABLE_FEATURE_GETOPT_LONG
+static const char getopt_longopts[] ALIGN1 =
+	"options\0"      Required_argument "o"
+	"longoptions\0"  Required_argument "l"
+	"quiet\0"        No_argument       "q"
+	"quiet-output\0" No_argument       "Q"
+	"shell\0"        Required_argument "s"
+	"test\0"         No_argument       "T"
+	"unquoted\0"     No_argument       "u"
+	"alternative\0"  No_argument       "a"
+	"name\0"         Required_argument "n"
+	;
+#endif
+
+int getopt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int getopt_main(int argc, char **argv)
+{
+	int n;
+	char *optstr = NULL;
+	char *name = NULL;
+	unsigned opt;
+	const char *compatible;
+	char *s_arg;
+#if ENABLE_FEATURE_GETOPT_LONG
+	struct option *long_options = NULL;
+	llist_t *l_arg = NULL;
+#endif
+
+	compatible = getenv("GETOPT_COMPATIBLE"); /* used as yes/no flag */
+
+	if (!argv[1]) {
+		if (compatible) {
+			/* For some reason, the original getopt gave no error
+			 * when there were no arguments. */
+			printf(" --\n");
+			return 0;
+		}
+		bb_error_msg_and_die("missing optstring argument");
+	}
+
+	if (argv[1][0] != '-' || compatible) {
+		char *s = argv[1];
+
+		option_mask32 |= OPT_u; /* quoting off */
+		s = xstrdup(s + strspn(s, "-+"));
+		argv[1] = argv[0];
+		return generate_output(argv+1, argc-1, s, long_options);
+	}
+
+#if !ENABLE_FEATURE_GETOPT_LONG
+	opt = getopt32(argv, "+o:n:qQs:Tu", &optstr, &name, &s_arg);
+#else
+	applet_long_options = getopt_longopts;
+	opt_complementary = "l::";
+	opt = getopt32(argv, "+o:n:qQs:Tual:",
+					&optstr, &name, &s_arg, &l_arg);
+	/* Effectuate the read options for the applet itself */
+	while (l_arg) {
+		long_options = add_long_options(long_options, llist_pop(&l_arg));
+	}
+#endif
+
+	if (opt & OPT_s) {
+		set_shell(s_arg);
+	}
+
+	if (opt & OPT_T) {
+		return 4;
+	}
+
+	/* All options controlling the applet have now been parsed */
+	n = optind - 1;
+	if (!optstr) {
+		optstr = argv[++n];
+		if (!optstr)
+			bb_error_msg_and_die("missing optstring argument");
+	}
+
+	argv[n] = name ? name : argv[0];
+	return generate_output(argv + n, argc - n, optstr, long_options);
+}