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-rw-r--r--posix/tst-execvpe6.c150
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diff --git a/posix/tst-execvpe6.c b/posix/tst-execvpe6.c
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+/* Check execvpe script argument handling.
+ Copyright (C) 2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+
+static char *fname1;
+static char *fname2;
+static char *logname;
+
+static void do_prepare (void);
+#define PREPARE(argc, argv) do_prepare ()
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+
+#include "../test-skeleton.c"
+
+static void
+do_prepare (void)
+{
+ int logfd = create_temp_file ("logfile", &logname);
+ close (logfd);
+
+ int fd1 = create_temp_file ("testscript", &fname1);
+ dprintf (fd1, "echo foo $1 $2 $3 > %s\n", logname);
+ fchmod (fd1, 0700);
+ close (fd1);
+
+ int fd2 = create_temp_file ("testscript", &fname2);
+ dprintf (fd2, "echo foo > %s\n", logname);
+ fchmod (fd2, 0700);
+ close (fd2);
+}
+
+static int
+run_script (const char *fname, char *args[])
+{
+ /* We want to test the `execvpe' function. To do this we restart the
+ program with an additional parameter. */
+ int status;
+ pid_t pid = fork ();
+ if (pid == 0)
+ {
+ execvpe (fname, args, NULL);
+
+ puts ("Cannot exec");
+ exit (EXIT_FAILURE);
+ }
+ else if (pid == (pid_t) -1)
+ {
+ puts ("Cannot fork");
+ return 1;
+ }
+
+ /* Wait for the child. */
+ if (waitpid (pid, &status, 0) != pid)
+ {
+ puts ("Wrong child");
+ return 1;
+ }
+
+ if (WTERMSIG (status) != 0)
+ {
+ puts ("Child terminated incorrectly");
+ return 1;
+ }
+
+ return 0;
+}
+
+static int
+check_output (const char *expected)
+{
+ /* Check log output. */
+ FILE *arq = fopen (logname, "r");
+ if (arq == NULL)
+ {
+ puts ("Error opening output file");
+ return 1;
+ }
+
+ char line[128];
+ if (fgets (line, sizeof (line), arq) == NULL)
+ {
+ puts ("Error reading output file");
+ return 1;
+ }
+ fclose (arq);
+
+ if (strcmp (line, expected) != 0)
+ {
+ puts ("Output file different than expected");
+ return 1;
+ }
+
+ return 0;
+}
+
+static int
+do_test (void)
+{
+ if (setenv ("PATH", test_dir, 1) != 0)
+ {
+ puts ("setenv failed");
+ return 1;
+ }
+
+ /* First check resulting script run with some arguments results in correct
+ output file. */
+ char *args1[] = { fname1, (char*) "1", (char *) "2", (char *) "3", NULL };
+ if (run_script (fname1,args1))
+ return 1;
+ if (check_output ("foo 1 2 3\n"))
+ return 1;
+
+ /* Same as before but with an expected empty argument list. */
+ char *args2[] = { fname2, NULL };
+ if (run_script (fname2, args2))
+ return 1;
+ if (check_output ("foo\n"))
+ return 1;
+
+ /* Same as before but with an empty argument list. */
+ char *args3[] = { NULL };
+ if (run_script (fname2, args3))
+ return 1;
+ if (check_output ("foo\n"))
+ return 1;
+
+ return 0;
+}