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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;
+}