From 4aca87515a5083ae0e31ce3177189fd43b6d05ac Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 13:58:15 +0100 Subject: patch to Vanilla Tomato 1.28 --- release/src/router/busybox/getopt.c | 402 ------------------------------------ 1 file changed, 402 deletions(-) delete mode 100644 release/src/router/busybox/getopt.c (limited to 'release/src/router/busybox/getopt.c') diff --git a/release/src/router/busybox/getopt.c b/release/src/router/busybox/getopt.c deleted file mode 100644 index 95ecba6e..00000000 --- a/release/src/router/busybox/getopt.c +++ /dev/null @@ -1,402 +0,0 @@ -/* - * getopt.c - Enhanced implementation of BSD getopt(1) - * Copyright (c) 1997, 1998, 1999, 2000 Frodo Looijaard - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* - * 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 Mikiewicz - * ) - * Ported to Busybox - Alfred M. Szmidt - * Removed --version/-V and --help/-h in - * Removed prase_error(), using error_msg() from Busybox instead - * Replaced our_malloc with xmalloc and our_realloc with xrealloc - * - */ - -#include -#include -#include -#include -#include -#include - -#include "busybox.h" - -/* NON_OPT is the code that is returned when a non-option is found in '+' - mode */ -static const int NON_OPT = 1; -/* LONG_OPT is the code that is returned when a long option is found. */ -static const int LONG_OPT = 2; - -/* The shells recognized. */ -typedef enum {BASH,TCSH} shell_t; - - -/* Some global variables that tells us how to parse. */ -static shell_t shell=BASH; /* The shell we generate output for. */ -static int quiet_errors=0; /* 0 is not quiet. */ -static int quiet_output=0; /* 0 is not quiet. */ -static int quote=1; /* 1 is do quote. */ -static int alternative=0; /* 0 is getopt_long, 1 is getopt_long_only */ - -/* Function prototypes */ -static const char *normalize(const char *arg); -static int generate_output(char * argv[],int argc,const char *optstr, - const struct option *longopts); -static void add_long_options(char *options); -static void add_longopt(const char *name,int has_arg); -static void set_shell(const char *new_shell); - - -/* - * 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. - */ -const char *normalize(const char *arg) -{ - static char *BUFFER=NULL; - const char *argptr=arg; - char *bufptr; - - if (BUFFER != NULL) - free(BUFFER); - - if (!quote) { /* Just copy arg */ - BUFFER=xmalloc(strlen(arg)+1); - - strcpy(BUFFER,arg); - return BUFFER; - } - - /* Each character in arg may take upto 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 (*argptr) { - if (*argptr == '\'') { - /* Quote: replace it with: '\'' */ - *bufptr++='\''; - *bufptr++='\\'; - *bufptr++='\''; - *bufptr++='\''; - } else if (shell==TCSH && *argptr=='!') { - /* Exclamation mark: replace it with: \! */ - *bufptr++='\''; - *bufptr++='\\'; - *bufptr++='!'; - *bufptr++='\''; - } else if (shell==TCSH && *argptr=='\n') { - /* Newline: replace it with: \n */ - *bufptr++='\\'; - *bufptr++='n'; - } else if (shell==TCSH && isspace(*argptr)) { - /* Non-newline whitespace: replace it with \ */ - *bufptr++='\''; - *bufptr++='\\'; - *bufptr++=*argptr; - *bufptr++='\''; - } else - /* Just copy */ - *bufptr++=*argptr; - argptr++; - } - *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. - */ -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; - int longindex; - const char *charptr; - - if (quiet_errors) /* No error reporting from getopt(3) */ - opterr=0; - optind=0; /* Reset getopt(3) */ - - while ((opt = (alternative? - getopt_long_only(argc,argv,optstr,longopts,&longindex): - getopt_long(argc,argv,optstr,longopts,&longindex))) - != EOF) - if (opt == '?' || opt == ':' ) - exit_code = 1; - else if (!quiet_output) { - if (opt == LONG_OPT) { - printf(" --%s",longopts[longindex].name); - if (longopts[longindex].has_arg) - printf(" %s", - normalize(optarg?optarg:"")); - } else 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++])); - printf("\n"); - } - return exit_code; -} - -static struct option *long_options=NULL; -static int long_options_length=0; /* Length of array */ -static int long_options_nr=0; /* Nr of used elements in array */ -static const int LONG_OPTIONS_INCR = 10; -#define init_longopt() add_longopt(NULL,0) - -/* Register a long option. The contents of name is copied. */ -void add_longopt(const char *name,int has_arg) -{ - char *tmp; - if (!name) { /* init */ - free(long_options); - long_options=NULL; - long_options_length=0; - long_options_nr=0; - } - - if (long_options_nr == long_options_length) { - long_options_length += LONG_OPTIONS_INCR; - long_options=xrealloc(long_options, - sizeof(struct option) * - long_options_length); - } - - long_options[long_options_nr].name=NULL; - long_options[long_options_nr].has_arg=0; - long_options[long_options_nr].flag=NULL; - long_options[long_options_nr].val=0; - - if (long_options_nr) { /* Not for init! */ - long_options[long_options_nr-1].has_arg=has_arg; - long_options[long_options_nr-1].flag=NULL; - long_options[long_options_nr-1].val=LONG_OPT; - tmp = xmalloc(strlen(name)+1); - strcpy(tmp,name); - long_options[long_options_nr-1].name=tmp; - } - long_options_nr++; -} - - -/* - * Register several long options. options is a string of long options, - * separated by commas or whitespace. - * This nukes options! - */ -void add_long_options(char *options) -{ - int arg_opt, tlen; - char *tokptr=strtok(options,", \t\n"); - while (tokptr) { - arg_opt=no_argument; - tlen=strlen(tokptr); - if (tlen > 0) { - if (tokptr[tlen-1] == ':') { - if (tlen > 1 && tokptr[tlen-2] == ':') { - tokptr[tlen-2]='\0'; - tlen -= 2; - arg_opt=optional_argument; - } else { - tokptr[tlen-1]='\0'; - tlen -= 1; - arg_opt=required_argument; - } - if (tlen == 0) - error_msg("empty long option after -l or --long argument"); - } - add_longopt(tokptr,arg_opt); - } - tokptr=strtok(NULL,", \t\n"); - } -} - -void set_shell(const char *new_shell) -{ - if (!strcmp(new_shell,"bash")) - shell=BASH; - else if (!strcmp(new_shell,"tcsh")) - shell=TCSH; - else if (!strcmp(new_shell,"sh")) - shell=BASH; - else if (!strcmp(new_shell,"csh")) - shell=TCSH; - else - error_msg("unknown shell after -s or --shell argument"); -} - - -/* Exit codes: - * 0) No errors, succesful 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 - */ - -static struct option longopts[]= -{ - {"options",required_argument,NULL,'o'}, - {"longoptions",required_argument,NULL,'l'}, - {"quiet",no_argument,NULL,'q'}, - {"quiet-output",no_argument,NULL,'Q'}, - {"shell",required_argument,NULL,'s'}, - {"test",no_argument,NULL,'T'}, - {"unquoted",no_argument,NULL,'u'}, - {"alternative",no_argument,NULL,'a'}, - {"name",required_argument,NULL,'n'}, - {NULL,0,NULL,0} -}; - -/* Stop scanning as soon as a non-option argument is found! */ -static const char *shortopts="+ao:l:n:qQs:Tu"; - - -int getopt_main(int argc, char *argv[]) -{ - char *optstr=NULL; - char *name=NULL; - int opt; - int compatible=0; - - init_longopt(); - - if (getenv("GETOPT_COMPATIBLE")) - compatible=1; - - if (argc == 1) { - if (compatible) { - /* For some reason, the original getopt gave no error - when there were no arguments. */ - printf(" --\n"); - exit(0); - } else - error_msg_and_die("missing optstring argument"); - } - - if (argv[1][0] != '-' || compatible) { - quote=0; - optstr=xmalloc(strlen(argv[1])+1); - strcpy(optstr,argv[1]+strspn(argv[1],"-+")); - argv[1]=argv[0]; - exit(generate_output(argv+1,argc-1,optstr,long_options)); - } - - while ((opt=getopt_long(argc,argv,shortopts,longopts,NULL)) != EOF) - switch (opt) { - case 'a': - alternative=1; - break; - case 'o': - if (optstr) - free(optstr); - optstr=xmalloc(strlen(optarg)+1); - strcpy(optstr,optarg); - break; - case 'l': - add_long_options(optarg); - break; - case 'n': - if (name) - free(name); - name=xmalloc(strlen(optarg)+1); - strcpy(name,optarg); - break; - case 'q': - quiet_errors=1; - break; - case 'Q': - quiet_output=1; - break; - case 's': - set_shell(optarg); - break; - case 'T': - exit(4); - case 'u': - quote=0; - break; - default: - show_usage(); - } - - if (!optstr) { - if (optind >= argc) - error_msg_and_die("missing optstring argument"); - else { - optstr=xmalloc(strlen(argv[optind])+1); - strcpy(optstr,argv[optind]); - optind++; - } - } - if (name) - argv[optind-1]=name; - else - argv[optind-1]=argv[0]; - exit(generate_output(argv+optind-1,argc-optind+1,optstr,long_options)); -} - -/* - Local Variables: - c-file-style: "linux" - c-basic-offset: 4 - tab-width: 4 - End: -*/ -- cgit v1.2.3-54-g00ecf