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gnupg/common/t-w32-cmdline.c

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/* t-w32-cmdline.c - Test the parser for the Windows command line
* Copyright (C) 2021 g10 Code GmbH
*
* This file is part of GnuPG.
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either
*
* - the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* or
*
* - 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.
*
* or both in parallel, as here.
*
* This file 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, see <https://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#ifdef HAVE_W32_SYSTEM
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#endif
#include "t-support.h"
#include "utf8conv.h"
#include "w32help.h"
#define PGM "t-w32-cmdline"
static int verbose;
static int debug;
static int errcount;
static void
test_all (void)
{
static struct {
const char *cmdline;
int argc; /* Expected number of args. */
char *argv[10]; /* Expected results. */
int use_glob;
} tests[] = {
/* Examples from "Parsing C++ Command-Line Arguments" dated 11/18/2006.
* https://docs.microsoft.com/en-us/previous-versions/17w5ykft(v=vs.85)
*/
{ "\"abc\" d e", 3, { "abc", "d", "e" }},
{ "a\\\\\\b d\"e f\"g h", 3, { "a\\\\\\b", "de fg", "h" }},
{ "a\\\\\\\"b c d", 3, { "a\\\"b", "c", "d" }},
{ "a\\\\\\\\\"b c\" d e", 3, { "a\\\\b c", "d", "e" }},
/* Examples from "Parsing C Command-Line Arguments" dated 11/09/2020.
* https://docs.microsoft.com/en-us/cpp/c-language/\
* parsing-c-command-line-arguments?view=msvc-160
*/
{ "\"a b c\" d e", 3, { "a b c", "d", "e" }},
{ "\"ab\\\"c\" \"\\\\\" d", 3, { "ab\"c", "\\", "d" }},
{ "a\\\\\\b d\"e f\"g h", 3, { "a\\\\\\b", "de fg", "h" }},
{ "a\\\\\\\"b c d", 3, { "a\\\"b", "c", "d" }},
{ "a\\\\\\\\\"b c\" d e", 3, { "a\\\\b c", "d", "e" }},
{ "a\"b\"\" c d", 1, { "ab\" c d" }},
/* Some arbitrary tests created using mingw.
* But I am not sure whether their parser is fully correct.
*/
{ "e:a a b\"c\" ", 3, { "e:a", "a", "bc" }},
/* { "e:a a b\"c\"\" d\"\"e \" ", */
/* 5, { "e:a", "a", "bc\"", "de", " " }}, */
/* { "e:a a b\"c\"\" d\"\"e\" f\\gh ", */
/* 4, { "e:a", "a", "bc\"", "de f\\gh "}}, */
/* { "e:a a b\"c\"\" d\"\"e\" f\\\"gh \" ", */
/* 4, { "e:a", "a", "bc\"", "de f\"gh " }},*/
{ "\"foo bar\"", 1 , { "foo bar" }},
#ifndef HAVE_W32_SYSTEM
/* We actually don't use this code on Unix but we provide a way to
* test some of the blobing code. */
{ "foo", 1, { "foo" }, 1 },
{ "foo*", 2, { "[* follows]", "foo*" }, 1 },
{ "foo?", 2, { "[? follows]", "foo?" }, 1 },
{ "? \"*\" *", 5, { "[? follows]", "?", "*", "[* follows]", "*" }, 1 },
#endif /*!HAVE_W32_SYSTEM*/
{ "", 1 , { "" }}
};
int tidx;
int i, any, itemsalloced, argc;
char *cmdline;
char **argv;
for (tidx = 0; tidx < DIM(tests); tidx++)
{
cmdline = xstrdup (tests[tidx].cmdline);
if (verbose && tidx)
putchar ('\n');
if (verbose)
printf ("test %d: line ->%s<-\n", tidx, cmdline);
argv = w32_parse_commandline (cmdline, tests[tidx].use_glob,
&argc, &itemsalloced);
if (!argv)
{
fail (tidx);
xfree (cmdline);
continue;
}
if (tests[tidx].argc != argc)
{
fprintf (stderr, PGM": test %d: argc wrong (want %d, got %d)\n",
tidx, tests[tidx].argc, argc);
any = 1;
}
else
any = 0;
for (i=0; i < tests[tidx].argc; i++)
{
if (verbose)
printf ("test %d: argv[%d] ->%s<-\n",
tidx, i, tests[tidx].argv[i]);
if (i < argc && strcmp (tests[tidx].argv[i], argv[i]))
{
if (verbose)
printf ("test %d: got[%d] ->%s<- ERROR\n",
tidx, i, argv[i]);
any = 1;
}
}
if (any)
{
fprintf (stderr, PGM": test %d: error%s\n",
tidx, verbose? "":" (use --verbose)");
errcount++;
}
if (itemsalloced)
{
for (i=0; i < argc; i++)
xfree (argv[i]);
}
xfree (argv);
xfree (cmdline);
}
}
int
main (int argc, char **argv)
{
int last_argc = -1;
no_exit_on_fail = 1;
if (argc)
{ argc--; argv++; }
while (argc && last_argc != argc )
{
last_argc = argc;
if (!strcmp (*argv, "--"))
{
argc--; argv++;
break;
}
else if (!strcmp (*argv, "--help"))
{
fputs ("usage: " PGM " [test args]\n"
"Options:\n"
" --verbose Print timings etc.\n"
" --debug Flyswatter\n"
, stdout);
exit (0);
}
else if (!strcmp (*argv, "--verbose"))
{
verbose++;
argc--; argv++;
}
else if (!strcmp (*argv, "--debug"))
{
verbose += 2;
debug++;
argc--; argv++;
}
else if (!strncmp (*argv, "--", 2))
{
fprintf (stderr, PGM ": unknown option '%s'\n", *argv);
exit (1);
}
}
if (argc)
{
#ifdef HAVE_W32_SYSTEM
const wchar_t *wcmdline;
char *cmdline;
int i, myargc;
char **myargv;
wcmdline = GetCommandLineW ();
if (!wcmdline)
{
fprintf (stderr, PGM ": GetCommandLine failed\n");
exit (1);
}
cmdline = wchar_to_utf8 (wcmdline);
if (!cmdline)
{
fprintf (stderr, PGM ": wchar_to_utf8 failed\n");
exit (1);
}
printf ("cmdline ->%s<\n", cmdline);
myargv = w32_parse_commandline (cmdline, 1, &myargc, NULL);
if (!myargv)
{
fprintf (stderr, PGM ": w32_parse_commandline failed\n");
exit (1);
}
for (i=0; i < myargc; i++)
printf ("argv[%d] ->%s<-\n", i, myargv[i]);
fflush (stdout);
xfree (myargv);
xfree (cmdline);
#else
fprintf (stderr, PGM ": manual test mode not available on Unix\n");
errcount++;
#endif
}
else
test_all ();
return !!errcount;
}
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