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Diffstat (limited to 'common/win/my_getopt-1.5/main.c')
-rw-r--r--common/win/my_getopt-1.5/main.c387
1 files changed, 0 insertions, 387 deletions
diff --git a/common/win/my_getopt-1.5/main.c b/common/win/my_getopt-1.5/main.c
deleted file mode 100644
index a9de272..0000000
--- a/common/win/my_getopt-1.5/main.c
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@@ -1,387 +0,0 @@
-/*
- * copy - test program for my getopt() re-implementation
- *
- * This program is in the public domain.
- */
-
-#define VERSION \
-"0.3"
-
-#define COPYRIGHT \
-"This program is in the public domain."
-
-/* for isprint(), printf(), fopen(), perror(), getenv(), strcmp(), etc. */
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* for my getopt() re-implementation */
-#include "getopt.h"
-
-/* the default verbosity level is 0 (no verbose reporting) */
-static unsigned verbose = 0;
-
-/* print version and copyright information */
-static void
-version(char *progname)
-{
- printf("%s version %s\n"
- "%s\n",
- progname,
- VERSION,
- COPYRIGHT);
-}
-
-/* print a help summary */
-static void
-help(char *progname)
-{
- printf("Usage: %s [options] [FILE]...\n"
- "Options:\n"
- "-h or -help show this message and exit\n"
- "-append append to the output file\n"
- "-o FILE or\n"
- "-output FILE send output to FILE (default is stdout)\n"
- "-r or --rotate rotate letters 13 positions (rot13)\n"
- "-rNUM or\n"
- "--rotate=NUM rotate letters NUM positions\n"
- "-truncate truncate the output file "
- "(this is the default)\n"
- "-v or -verbose increase the level of verbosity by 1"
- "(the default is 0)\n"
- "-vNUM or\n"
- "-verbose=NUM set the level of verbosity to NUM\n"
- "-V or -version print program version and exit\n"
- "\n"
- "This program reads the specified FILEs "
- "(or stdin if none are given)\n"
- "and writes their bytes to the specified output FILE "
- "(or stdout if none is\n"
- "given.) It can optionally rotate letters.\n",
- progname);
-}
-
-/* print usage information to stderr */
-static void
-usage(char *progname)
-{
- fprintf(stderr,
- "Summary: %s [-help] [-version] [options] [FILE]...\n",
- progname);
-}
-
-/* input file handler -- returns nonzero or exit()s on failure */
-static int
-handle(char *progname,
- FILE *infile, char *infilename,
- FILE *outfile, char *outfilename,
- int rotate)
-{
- int c;
- unsigned long bytes_copied = 0;
-
- if (verbose > 2)
- {
- fprintf(stderr,
- "%s: copying from `%s' to `%s'\n",
- progname,
- infilename,
- outfilename);
- }
- while ((c = getc(infile)) != EOF)
- {
- if (rotate && isalpha(c))
- {
- const char *letters = "abcdefghijklmnopqrstuvwxyz";
- char *match;
- if ((match = strchr(letters, tolower(c))))
- {
- char rc = letters[(match - letters + rotate) % 26];
- if (isupper(c))
- rc = toupper(rc);
- c = rc;
- }
- }
- if (putc(c, outfile) == EOF)
- {
- perror(outfilename);
- exit(1);
- }
- bytes_copied ++;
- }
- if (! feof(infile))
- {
- perror(infilename);
- return 1;
- }
- if (verbose > 2)
- {
- fprintf(stderr,
- "%s: %lu bytes copied from `%s' to `%s'\n",
- progname,
- bytes_copied,
- infilename,
- outfilename);
- }
- return 0;
-}
-
-/* argument parser and dispatcher */
-int
-main(int argc, char * argv[])
-{
- /* the program name */
- char *progname = argv[0];
- /* during argument parsing, opt contains the return value from getopt() */
- int opt;
- /* the output filename is initially 0 (a.k.a. stdout) */
- char *outfilename = 0;
- /* the default return value is initially 0 (success) */
- int retval = 0;
- /* initially we truncate */
- int append = 0;
- /* initially we don't rotate letters */
- int rotate = 0;
-
- /* short options string */
- char *shortopts = "Vho:r::v::";
- /* long options list */
- struct option longopts[] =
- {
- /* name, has_arg, flag, val */ /* longind */
- { "append", no_argument, 0, 0 }, /* 0 */
- { "truncate", no_argument, 0, 0 }, /* 1 */
- { "version", no_argument, 0, 'V' }, /* 3 */
- { "help", no_argument, 0, 'h' }, /* 4 */
- { "output", required_argument, 0, 'o' }, /* 5 */
- { "rotate", optional_argument, 0, 'r' }, /* 6 */
- { "verbose", optional_argument, 0, 'v' }, /* 7 */
- /* end-of-list marker */
- { 0, 0, 0, 0 }
- };
- /* long option list index */
- int longind = 0;
-
- /*
- * print a warning when the POSIXLY_CORRECT environment variable will
- * interfere with argument placement
- */
- if (getenv("POSIXLY_CORRECT"))
- {
- fprintf(stderr,
- "%s: "
- "Warning: implicit argument reordering disallowed by "
- "POSIXLY_CORRECT\n",
- progname);
- }
-
- /* parse all options from the command line */
- while ((opt =
- getopt_long_only(argc, argv, shortopts, longopts, &longind)) != -1)
- switch (opt)
- {
- case 0: /* a long option without an equivalent short option */
- switch (longind)
- {
- case 0: /* -append */
- append = 1;
- break;
- case 1: /* -truncate */
- append = 0;
- break;
- default: /* something unexpected has happened */
- fprintf(stderr,
- "%s: "
- "getopt_long_only unexpectedly returned %d for `--%s'\n",
- progname,
- opt,
- longopts[longind].name);
- return 1;
- }
- break;
- case 'V': /* -version */
- version(progname);
- return 0;
- case 'h': /* -help */
- help(progname);
- return 0;
- case 'r': /* -rotate[=NUM] */
- if (optarg)
- {
- /* we use this while trying to parse a numeric argument */
- char ignored;
- if (sscanf(optarg,
- "%d%c",
- &rotate,
- &ignored) != 1)
- {
- fprintf(stderr,
- "%s: "
- "rotation `%s' is not a number\n",
- progname,
- optarg);
- usage(progname);
- return 2;
- }
- /* normalize rotation */
- while (rotate < 0)
- {
- rotate += 26;
- }
- rotate %= 26;
- }
- else
- rotate = 13;
- break;
- case 'o': /* -output=FILE */
- outfilename = optarg;
- /* we allow "-" as a synonym for stdout here */
- if (! strcmp(optarg, "-"))
- {
- outfilename = 0;
- }
- break;
- case 'v': /* -verbose[=NUM] */
- if (optarg)
- {
- /* we use this while trying to parse a numeric argument */
- char ignored;
- if (sscanf(optarg,
- "%u%c",
- &verbose,
- &ignored) != 1)
- {
- fprintf(stderr,
- "%s: "
- "verbosity level `%s' is not a number\n",
- progname,
- optarg);
- usage(progname);
- return 2;
- }
- }
- else
- verbose ++;
- break;
- case '?': /* getopt_long_only noticed an error */
- usage(progname);
- return 2;
- default: /* something unexpected has happened */
- fprintf(stderr,
- "%s: "
- "getopt_long_only returned an unexpected value (%d)\n",
- progname,
- opt);
- return 1;
- }
-
- /* re-open stdout to outfilename, if requested */
- if (outfilename)
- {
- if (! freopen(outfilename, (append ? "a" : "w"), stdout))
- {
- perror(outfilename);
- return 1;
- }
- }
- else
- {
- /* make a human-readable version of the output filename "-" */
- outfilename = "stdout";
- /* you can't truncate stdout */
- append = 1;
- }
-
- if (verbose)
- {
- fprintf(stderr,
- "%s: verbosity level is %u; %s `%s'; rotation %d\n",
- progname,
- verbose,
- (append ? "appending to" : "truncating"),
- outfilename,
- rotate);
- }
-
- if (verbose > 1)
- {
- fprintf(stderr,
- "%s: %d input file(s) were given\n",
- progname,
- ((argc > optind) ? (argc - optind) : 0));
- }
-
- if (verbose > 3)
- {
- fprintf(stderr,
- "\topterr: %d\n\toptind: %d\n\toptopt: %d (%c)\n\toptarg: %s\n",
- opterr,
- optind,
- optopt, optopt,
- optarg ? optarg : "(null)");
- }
-
- /* handle each of the input files (or stdin, if no files were given) */
- if (optind < argc)
- {
- int argindex;
-
- for (argindex = optind; argindex < argc; argindex ++)
- {
- char *infilename = argv[argindex];
- FILE *infile;
-
- /* we allow "-" as a synonym for stdin here */
- if (! strcmp(infilename, "-"))
- {
- infile = stdin;
- infilename = "stdin";
- }
- else if (! (infile = fopen(infilename, "r")))
- {
- perror(infilename);
- retval = 1;
- continue;
- }
- if (handle(progname,
- infile, argv[optind],
- stdout, outfilename,
- rotate))
- {
- retval = 1;
- fclose(infile);
- continue;
- }
- if ((infile != stdin) && fclose(infile))
- {
- perror(infilename);
- retval = 1;
- }
- }
- }
- else
- {
- retval =
- handle(progname,
- stdin, "stdin",
- stdout, outfilename,
- rotate);
- }
-
- /* close stdout */
- if (fclose(stdout))
- {
- perror(outfilename);
- return 1;
- }
-
- if (verbose > 3)
- {
- fprintf(stderr,
- "%s: normal return, exit code is %d\n",
- progname,
- retval);
- }
- return retval;
-}
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