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authormerakor <cem@ckyln.com>2020-08-22 15:03:10 +0000
committermerakor <cem@ckyln.com>2020-08-22 15:03:10 +0000
commit9031dc631fa33a1493f5780943f8f888ce530178 (patch)
tree8acd058d02ace545eb026e95a944e7bf9a0b4211 /getopt-ul/getopt.c
parent01fb58cf040114841800d9cceba9d256278a4682 (diff)
downloadcpt-9031dc631fa33a1493f5780943f8f888ce530178.tar.gz
cpt: remove getopt and use shell library instead.
FossilOrigin-Name: cbe6d1050c67fcce58e754cd03832089ffeb33a5f9455c55e71738ab11e0d056
Diffstat (limited to 'getopt-ul/getopt.c')
-rw-r--r--getopt-ul/getopt.c472
1 files changed, 0 insertions, 472 deletions
diff --git a/getopt-ul/getopt.c b/getopt-ul/getopt.c
deleted file mode 100644
index 01a2df6..0000000
--- a/getopt-ul/getopt.c
+++ /dev/null
@@ -1,472 +0,0 @@
-/*
- * getopt.c - Enhanced implementation of BSD getopt(1)
- * Copyright (c) 1997-2014 Frodo Looijaard <frodo@frodo.looijaard.name>
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 Miƛkiewicz
- * <misiek@pld.org.pl>)
- * Version 1.1.4: Mon Nov 7 2005
- * Fixed a few type's in the manpage
- * Version 1.1.5: Sun Aug 12 2012
- * Sync with util-linux-2.21, fixed build problems, many new translations
- * Version 1.1.6: Mon Nov 24 2014
- * Sync with util-linux git 20141120, detect ambiguous long options, fix
- * backslash problem in tcsh
- */
-
-/* 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
- */
-#define GETOPT_EXIT_CODE 1
-#define PARAMETER_EXIT_CODE 2
-#define XALLOC_EXIT_CODE 3
-#define CLOSE_EXIT_CODE XALLOC_EXIT_CODE
-#define TEST_EXIT_CODE 4
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <getopt.h>
-#ifdef HAVE_SYS_PARAM_H
-# include <sys/param.h> /* BSD */
-#endif
-
-#include "closestream.h"
-#include "nls.h"
-#include "xalloc.h"
-
-/* NON_OPT is the code that is returned getopt(3) when a non-option is
- * found in 'char optstring[]="-abc...";', e.g., it begins by '-' */
-#define NON_OPT 1
-/* LONG_OPT is the code that is returned when a long option is found. */
-#define LONG_OPT 0
-
-/* The shells recognized. */
-typedef enum { BASH, TCSH } shell_t;
-
-struct getopt_control {
- shell_t shell; /* the shell we generate output for */
- char *optstr; /* getopt(3) optstring */
- char *name;
- struct option *long_options; /* long options */
- int long_options_length; /* length of options array */
- int long_options_nr; /* number of used elements in array */
- unsigned int
- compatible:1, /* compatibility mode for 'difficult' programs */
- quiet_errors:1, /* print errors */
- quiet_output:1, /* print output */
- quote:1; /* quote output */
-};
-
-enum { REALLOC_INCREMENT = 8 };
-
-/* Allow changing which getopt is in use with function pointer. */
-static int (*getopt_long_fp) (int argc, char *const *argv, const char *optstr,
- const struct option * longopts, int *longindex);
-
-/*
- * 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 void print_normalized(const struct getopt_control *ctl, const char *arg)
-{
- char *buf;
- const char *argptr = arg;
- char *bufptr;
-
- if (!ctl->quote) {
- printf(" %s", arg);
- return;
- }
-
- /*
- * 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'.
- */
- buf = xmalloc(strlen(arg) * 4 + 3);
- bufptr = buf;
-
- for (*bufptr++ = '\''; *argptr; argptr++) {
- if (ctl->shell == TCSH) {
- switch (*argptr) {
- case '\\':
- /* Backslash: replace it with: '\\' */
- *bufptr++ = '\\';
- *bufptr++ = '\\';
- continue;
- case '!':
- /* Exclamation mark: replace it with: \! */
- *bufptr++ = '\'';
- *bufptr++ = '\\';
- *bufptr++ = '!';
- *bufptr++ = '\'';
- continue;
- case '\n':
- /* Newline: replace it with: \n */
- *bufptr++ = '\\';
- *bufptr++ = 'n';
- continue;
- }
- if (isspace(*argptr)) {
- /* Non-newline whitespace: replace it with \<ws> */
- *bufptr++ = '\'';
- *bufptr++ = '\\';
- *bufptr++ = *argptr;
- *bufptr++ = '\'';
- continue;
- }
- }
- if (*argptr == '\'') {
- /* Quote: replace it with: '\'' */
- *bufptr++ = '\'';
- *bufptr++ = '\\';
- *bufptr++ = '\'';
- *bufptr++ = '\'';
- } else
- /* Just copy */
- *bufptr++ = *argptr;
- }
-
- *bufptr++ = '\'';
- *bufptr++ = '\0';
- printf(" %s", buf);
- free(buf);
-}
-
-/*
- * 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.
- */
-static int generate_output(struct getopt_control *ctl, char *argv[], int argc)
-{
- int exit_code = EXIT_SUCCESS; /* Assume everything will be OK */
- int opt;
- int longindex;
- const char *charptr;
-
- if (ctl->quiet_errors)
- /* No error reporting from getopt(3) */
- opterr = 0;
- /* Reset getopt(3) */
- optind = 0;
-
- while ((opt =
- (getopt_long_fp
- (argc, argv, ctl->optstr,
- (const struct option *)ctl->long_options, &longindex)))
- != EOF) {
- if (opt == '?' || opt == ':')
- exit_code = GETOPT_EXIT_CODE;
- else if (!ctl->quiet_output) {
- switch (opt) {
- case LONG_OPT:
- printf(" --%s", ctl->long_options[longindex].name);
- if (ctl->long_options[longindex].has_arg)
- print_normalized(ctl, optarg ? optarg : "");
- break;
- case NON_OPT:
- print_normalized(ctl, optarg ? optarg : "");
- break;
- default:
- printf(" -%c", opt);
- charptr = strchr(ctl->optstr, opt);
- if (charptr != NULL && *++charptr == ':')
- print_normalized(ctl, optarg ? optarg : "");
- }
- }
- }
- if (!ctl->quiet_output) {
- printf(" --");
- while (optind < argc)
- print_normalized(ctl, argv[optind++]);
- printf("\n");
- }
- for (longindex = 0; longindex < ctl->long_options_nr; longindex++)
- free((char *)ctl->long_options[longindex].name);
- free(ctl->long_options);
- free(ctl->optstr);
- free(ctl->name);
- return exit_code;
-}
-
-/*
- * Report an error when parsing getopt's own arguments. If message is NULL,
- * we already sent a message, we just exit with a helpful hint.
- */
-static void __attribute__ ((__noreturn__)) parse_error(const char *message)
-{
- if (message)
- warnx("%s", message);
- errtryhelp(PARAMETER_EXIT_CODE);
-}
-
-
-/* Register a long option. The contents of name is copied. */
-static void add_longopt(struct getopt_control *ctl, const char *name, int has_arg)
-{
- static int flag;
- int nr = ctl->long_options_nr;
-
- if (ctl->long_options_nr == ctl->long_options_length) {
- ctl->long_options_length += REALLOC_INCREMENT;
- ctl->long_options = xrealloc(ctl->long_options,
- sizeof(struct option) *
- ctl->long_options_length);
- }
- if (name) {
- /* Not for init! */
- ctl->long_options[nr].has_arg = has_arg;
- ctl->long_options[nr].flag = &flag;
- ctl->long_options[nr].val = ctl->long_options_nr;
- ctl->long_options[nr].name = xstrdup(name);
- } else {
- /* lets use add_longopt(ct, NULL, 0) to terminate the array */
- ctl->long_options[nr].name = NULL;
- ctl->long_options[nr].has_arg = 0;
- ctl->long_options[nr].flag = NULL;
- ctl->long_options[nr].val = 0;
- }
-}
-
-
-/*
- * Register several long options. options is a string of long options,
- * separated by commas or whitespace. This nukes options!
- */
-static void add_long_options(struct getopt_control *ctl, char *options)
-{
- int arg_opt;
- char *tokptr = strtok(options, ", \t\n");
-
- while (tokptr) {
- size_t len = strlen(tokptr);
-
- arg_opt = no_argument;
- if (len > 0) {
- if (tokptr[len - 1] == ':') {
- if (tokptr[len - 2] == ':') {
- tokptr[len - 2] = '\0';
- arg_opt = optional_argument;
- } else {
- tokptr[len - 1] = '\0';
- arg_opt = required_argument;
- }
- if (!*tokptr)
- parse_error(_
- ("empty long option after "
- "-l or --long argument"));
- }
- add_longopt(ctl, tokptr, arg_opt);
- ctl->long_options_nr++;
- }
- tokptr = strtok(NULL, ", \t\n");
- }
- add_longopt(ctl, NULL, 0); /* ensure long_options[] is not full */
-}
-
-static shell_t shell_type(const char *new_shell)
-{
- if (!strcmp(new_shell, "bash"))
- return BASH;
- if (!strcmp(new_shell, "sh"))
- return BASH;
- if (!strcmp(new_shell, "tcsh"))
- return TCSH;
- if (!strcmp(new_shell, "csh"))
- return TCSH;
- parse_error(_("unknown shell after -s or --shell argument"));
-}
-
-static void __attribute__((__noreturn__)) usage(void)
-{
- fputs(USAGE_HEADER, stdout);
- printf(_(
- " %1$s <optstring> <parameters>\n"
- " %1$s [options] [--] <optstring> <parameters>\n"
- " %1$s [options] -o|--options <optstring> [options] [--] <parameters>\n"),
- program_invocation_short_name);
-
- fputs(USAGE_SEPARATOR, stdout);
- fputs(_("Parse command options.\n"), stdout);
-
- fputs(USAGE_OPTIONS, stdout);
- fputs(_(" -a, --alternative allow long options starting with single -\n"), stdout);
- fputs(_(" -l, --longoptions <longopts> the long options to be recognized\n"), stdout);
- fputs(_(" -n, --name <progname> the name under which errors are reported\n"), stdout);
- fputs(_(" -o, --options <optstring> the short options to be recognized\n"), stdout);
- fputs(_(" -q, --quiet disable error reporting by getopt(3)\n"), stdout);
- fputs(_(" -Q, --quiet-output no normal output\n"), stdout);
- fputs(_(" -s, --shell <shell> set quoting conventions to those of <shell>\n"), stdout);
- fputs(_(" -T, --test test for getopt(1) version\n"), stdout);
- fputs(_(" -u, --unquoted do not quote the output\n"), stdout);
- fputs(USAGE_SEPARATOR, stdout);
- printf(USAGE_HELP_OPTIONS(31));
- printf(USAGE_MAN_TAIL("getopt(1)"));
- exit(EXIT_SUCCESS);
-}
-
-int main(int argc, char *argv[])
-{
- struct getopt_control ctl = {
- .shell = BASH,
- .quote = 1
- };
- int opt;
-
- /* Stop scanning as soon as a non-option argument is found! */
- static const char *shortopts = "+ao:l:n:qQs:TuhV";
- static const 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'},
- {"help", no_argument, NULL, 'h'},
- {"alternative", no_argument, NULL, 'a'},
- {"name", required_argument, NULL, 'n'},
- {"version", no_argument, NULL, 'V'},
- {NULL, 0, NULL, 0}
- };
-
- setlocale(LC_ALL, "");
- bindtextdomain(PACKAGE, LOCALEDIR);
- textdomain(PACKAGE);
- close_stdout_atexit();
-
- if (getenv("GETOPT_COMPATIBLE"))
- ctl.compatible = 1;
-
- if (argc == 1) {
- if (ctl.compatible) {
- /*
- * For some reason, the original getopt gave no
- * error when there were no arguments.
- */
- printf(" --\n");
- return EXIT_SUCCESS;
- }
- parse_error(_("missing optstring argument"));
- }
-
- add_longopt(&ctl, NULL, 0); /* init */
- getopt_long_fp = getopt_long;
-
- if (argv[1][0] != '-' || ctl.compatible) {
- ctl.quote = 0;
- ctl.optstr = xmalloc(strlen(argv[1]) + 1);
- strcpy(ctl.optstr, argv[1] + strspn(argv[1], "-+"));
- argv[1] = argv[0];
- return generate_output(&ctl, argv + 1, argc - 1);
- }
-
- while ((opt =
- getopt_long(argc, argv, shortopts, longopts, NULL)) != EOF)
- switch (opt) {
- case 'a':
- getopt_long_fp = getopt_long_only;
- break;
- case 'o':
- free(ctl.optstr);
- ctl.optstr = xstrdup(optarg);
- break;
- case 'l':
- add_long_options(&ctl, optarg);
- break;
- case 'n':
- free(ctl.name);
- ctl.name = xstrdup(optarg);
- break;
- case 'q':
- ctl.quiet_errors = 1;
- break;
- case 'Q':
- ctl.quiet_output = 1;
- break;
- case 's':
- ctl.shell = shell_type(optarg);
- break;
- case 'T':
- free(ctl.long_options);
- return TEST_EXIT_CODE;
- case 'u':
- ctl.quote = 0;
- break;
-
- case 'V':
- print_version(EXIT_SUCCESS);
- case '?':
- case ':':
- parse_error(NULL);
- case 'h':
- usage();
- default:
- parse_error(_("internal error, contact the author."));
- }
-
- if (!ctl.optstr) {
- if (optind >= argc)
- parse_error(_("missing optstring argument"));
- else {
- ctl.optstr = xstrdup(argv[optind]);
- optind++;
- }
- }
-
- if (ctl.name) {
- argv[optind - 1] = ctl.name;
-#if defined (HAVE_SETPROGNAME) && !defined (__linux__)
- setprogname(ctl.name);
-#endif
- } else
- argv[optind - 1] = argv[0];
-
- return generate_output(&ctl, argv + optind - 1, argc - optind + 1);
-}