537 lines
14 KiB
C
537 lines
14 KiB
C
/* Pexecute test program,
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Copyright (C) 2005-2017 Free Software Foundation, Inc.
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Written by Ian Lance Taylor <ian@airs.com>.
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This file is part of GNU libiberty.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "ansidecl.h"
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#include "libiberty.h"
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#include <stdio.h>
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#include <signal.h>
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#include <errno.h>
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#include <sys/types.h>
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h>
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#endif
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#ifndef WIFSIGNALED
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#define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
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#endif
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#ifndef WTERMSIG
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#define WTERMSIG(S) ((S) & 0x7f)
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#endif
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#ifndef WIFEXITED
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#define WIFEXITED(S) (((S) & 0xff) == 0)
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#endif
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#ifndef WEXITSTATUS
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#define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
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#endif
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#ifndef WSTOPSIG
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#define WSTOPSIG WEXITSTATUS
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#endif
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#ifndef WCOREDUMP
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#define WCOREDUMP(S) ((S) & WCOREFLG)
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#endif
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#ifndef WCOREFLG
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#define WCOREFLG 0200
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#endif
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#ifndef EXIT_SUCCESS
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#define EXIT_SUCCESS 0
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#endif
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#ifndef EXIT_FAILURE
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#define EXIT_FAILURE 1
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#endif
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/* When this program is run with no arguments, it runs some tests of
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the libiberty pexecute functions. As a test program, it simply
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invokes itself with various arguments.
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argv[1]:
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*empty string* Run tests, exit with success status
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exit Exit success
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error Exit error
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abort Abort
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echo Echo remaining arguments, exit success
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echoerr Echo next arg to stdout, next to stderr, repeat
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copy Copy stdin to stdout
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write Write stdin to file named in next argument
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*/
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static void fatal_error (int, const char *, int) ATTRIBUTE_NORETURN;
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static void error (int, const char *);
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static void check_line (int, FILE *, const char *);
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static void do_cmd (int, char **) ATTRIBUTE_NORETURN;
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/* The number of errors we have seen. */
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static int error_count;
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/* Print a fatal error and exit. LINE is the line number where we
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detected the error, ERRMSG is the error message to print, and ERR
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is 0 or an errno value to print. */
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static void
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fatal_error (int line, const char *errmsg, int err)
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{
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fprintf (stderr, "test-pexecute:%d: %s", line, errmsg);
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if (errno != 0)
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fprintf (stderr, ": %s", xstrerror (err));
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fprintf (stderr, "\n");
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exit (EXIT_FAILURE);
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}
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#define FATAL_ERROR(ERRMSG, ERR) fatal_error (__LINE__, ERRMSG, ERR)
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/* Print an error message and bump the error count. LINE is the line
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number where we detected the error, ERRMSG is the error to
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print. */
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static void
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error (int line, const char *errmsg)
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{
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fprintf (stderr, "test-pexecute:%d: %s\n", line, errmsg);
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++error_count;
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}
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#define ERROR(ERRMSG) error (__LINE__, ERRMSG)
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/* Check a line in a file. */
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static void
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check_line (int line, FILE *e, const char *str)
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{
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const char *p;
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int c;
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char buf[1000];
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p = str;
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while (1)
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{
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c = getc (e);
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if (*p == '\0')
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{
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if (c != '\n')
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{
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snprintf (buf, sizeof buf, "got '%c' when expecting newline", c);
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fatal_error (line, buf, 0);
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}
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c = getc (e);
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if (c != EOF)
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{
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snprintf (buf, sizeof buf, "got '%c' when expecting EOF", c);
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fatal_error (line, buf, 0);
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}
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return;
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}
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if (c != *p)
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{
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snprintf (buf, sizeof buf, "expected '%c', got '%c'", *p, c);
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fatal_error (line, buf, 0);
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}
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++p;
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}
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}
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#define CHECK_LINE(E, STR) check_line (__LINE__, E, STR)
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/* Main function for the pexecute tester. Run the tests. */
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int
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main (int argc, char **argv)
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{
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int trace;
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struct pex_obj *test_pex_tmp;
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int test_pex_status;
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FILE *test_pex_file;
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struct pex_obj *pex1;
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char *subargv[10];
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int status;
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FILE *e;
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int statuses[10];
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trace = 0;
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if (argc > 1 && strcmp (argv[1], "-t") == 0)
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{
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trace = 1;
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--argc;
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++argv;
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}
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if (argc > 1)
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do_cmd (argc, argv);
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#define TEST_PEX_INIT(FLAGS, TEMPBASE) \
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(((test_pex_tmp = pex_init (FLAGS, "test-pexecute", TEMPBASE)) \
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!= NULL) \
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? test_pex_tmp \
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: (FATAL_ERROR ("pex_init failed", 0), NULL))
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#define TEST_PEX_RUN(PEXOBJ, FLAGS, EXECUTABLE, ARGV, OUTNAME, ERRNAME) \
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do \
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{ \
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int err; \
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const char *pex_run_err; \
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if (trace) \
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fprintf (stderr, "Line %d: running %s %s\n", \
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__LINE__, EXECUTABLE, ARGV[0]); \
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pex_run_err = pex_run (PEXOBJ, FLAGS, EXECUTABLE, ARGV, OUTNAME, \
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ERRNAME, &err); \
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if (pex_run_err != NULL) \
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FATAL_ERROR (pex_run_err, err); \
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} \
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while (0)
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#define TEST_PEX_GET_STATUS_1(PEXOBJ) \
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(pex_get_status (PEXOBJ, 1, &test_pex_status) \
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? test_pex_status \
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: (FATAL_ERROR ("pex_get_status failed", errno), 1))
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#define TEST_PEX_GET_STATUS(PEXOBJ, COUNT, VECTOR) \
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do \
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{ \
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if (!pex_get_status (PEXOBJ, COUNT, VECTOR)) \
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FATAL_ERROR ("pex_get_status failed", errno); \
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} \
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while (0)
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#define TEST_PEX_READ_OUTPUT(PEXOBJ) \
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((test_pex_file = pex_read_output (PEXOBJ, 0)) != NULL \
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? test_pex_file \
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: (FATAL_ERROR ("pex_read_output failed", errno), NULL))
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remove ("temp.x");
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remove ("temp.y");
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memset (subargv, 0, sizeof subargv);
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subargv[0] = "./test-pexecute";
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pex1 = TEST_PEX_INIT (PEX_USE_PIPES, NULL);
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subargv[1] = "exit";
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subargv[2] = NULL;
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TEST_PEX_RUN (pex1, PEX_LAST, "./test-pexecute", subargv, NULL, NULL);
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status = TEST_PEX_GET_STATUS_1 (pex1);
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if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_SUCCESS)
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ERROR ("exit failed");
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pex_free (pex1);
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pex1 = TEST_PEX_INIT (PEX_USE_PIPES, NULL);
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subargv[1] = "error";
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subargv[2] = NULL;
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TEST_PEX_RUN (pex1, PEX_LAST, "./test-pexecute", subargv, NULL, NULL);
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status = TEST_PEX_GET_STATUS_1 (pex1);
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if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_FAILURE)
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ERROR ("error test failed");
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pex_free (pex1);
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/* We redirect stderr to a file to avoid an error message which is
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printed on mingw32 when the child calls abort. */
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pex1 = TEST_PEX_INIT (PEX_USE_PIPES, NULL);
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subargv[1] = "abort";
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subargv[2] = NULL;
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TEST_PEX_RUN (pex1, PEX_LAST, "./test-pexecute", subargv, NULL, "temp.z");
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status = TEST_PEX_GET_STATUS_1 (pex1);
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if (!WIFSIGNALED (status) || WTERMSIG (status) != SIGABRT)
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ERROR ("abort failed");
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pex_free (pex1);
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remove ("temp.z");
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pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
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subargv[1] = "echo";
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subargv[2] = "foo";
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subargv[3] = NULL;
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TEST_PEX_RUN (pex1, 0, "./test-pexecute", subargv, NULL, NULL);
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e = TEST_PEX_READ_OUTPUT (pex1);
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CHECK_LINE (e, "foo");
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if (TEST_PEX_GET_STATUS_1 (pex1) != 0)
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ERROR ("echo exit status failed");
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pex_free (pex1);
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/* Check empty parameters don't get lost. */
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pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
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subargv[1] = "echo";
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subargv[2] = "foo";
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subargv[3] = "";
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subargv[4] = "bar";
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subargv[5] = NULL;
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TEST_PEX_RUN (pex1, 0, "./test-pexecute", subargv, NULL, NULL);
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e = TEST_PEX_READ_OUTPUT (pex1);
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CHECK_LINE (e, "foo bar"); /* Two spaces! */
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if (TEST_PEX_GET_STATUS_1 (pex1) != 0)
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ERROR ("echo exit status failed");
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pex_free (pex1);
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pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
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subargv[1] = "echo";
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subargv[2] = "bar";
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subargv[3] = NULL;
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TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", NULL);
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subargv[1] = "copy";
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subargv[2] = NULL;
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TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
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e = TEST_PEX_READ_OUTPUT (pex1);
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CHECK_LINE (e, "bar");
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TEST_PEX_GET_STATUS (pex1, 2, statuses);
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if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
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|| !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
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ERROR ("copy exit status failed");
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pex_free (pex1);
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if (fopen ("temp.x", "r") != NULL || fopen ("temp.y", "r") != NULL)
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ERROR ("temporary files exist");
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pex1 = TEST_PEX_INIT (0, "temp");
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subargv[1] = "echo";
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subargv[2] = "bar";
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subargv[3] = NULL;
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TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", NULL);
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subargv[1] = "copy";
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subargv[2] = NULL;
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TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
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e = TEST_PEX_READ_OUTPUT (pex1);
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CHECK_LINE (e, "bar");
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TEST_PEX_GET_STATUS (pex1, 2, statuses);
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if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
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|| !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
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ERROR ("copy exit status failed");
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pex_free (pex1);
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if (fopen ("temp.x", "r") != NULL || fopen ("temp.y", "r") != NULL)
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ERROR ("temporary files exist");
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pex1 = TEST_PEX_INIT (PEX_SAVE_TEMPS, "temp");
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subargv[1] = "echo";
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subargv[2] = "quux";
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subargv[3] = NULL;
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TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", NULL);
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subargv[1] = "copy";
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subargv[2] = NULL;
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TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
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e = TEST_PEX_READ_OUTPUT (pex1);
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CHECK_LINE (e, "quux");
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TEST_PEX_GET_STATUS (pex1, 2, statuses);
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if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
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|| !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
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ERROR ("copy temp exit status failed");
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e = fopen ("temp.x", "r");
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if (e == NULL)
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FATAL_ERROR ("fopen temp.x failed in copy temp", errno);
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CHECK_LINE (e, "quux");
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fclose (e);
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e = fopen ("temp.y", "r");
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if (e == NULL)
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FATAL_ERROR ("fopen temp.y failed in copy temp", errno);
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CHECK_LINE (e, "quux");
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fclose (e);
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pex_free (pex1);
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remove ("temp.x");
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remove ("temp.y");
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pex1 = TEST_PEX_INIT (PEX_USE_PIPES, "temp");
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subargv[1] = "echoerr";
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subargv[2] = "one";
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subargv[3] = "two";
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subargv[4] = NULL;
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TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".x", "temp2.x");
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subargv[1] = "write";
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subargv[2] = "temp2.y";
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subargv[3] = NULL;
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TEST_PEX_RUN (pex1, PEX_SUFFIX, "./test-pexecute", subargv, ".y", NULL);
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TEST_PEX_GET_STATUS (pex1, 2, statuses);
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if (!WIFEXITED (statuses[0]) || WEXITSTATUS (statuses[0]) != EXIT_SUCCESS
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|| !WIFEXITED (statuses[1]) || WEXITSTATUS (statuses[1]) != EXIT_SUCCESS)
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ERROR ("echoerr exit status failed");
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pex_free (pex1);
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if (fopen ("temp.x", "r") != NULL || fopen ("temp.y", "r") != NULL)
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ERROR ("temporary files exist");
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e = fopen ("temp2.x", "r");
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if (e == NULL)
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FATAL_ERROR ("fopen temp2.x failed in echoerr", errno);
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CHECK_LINE (e, "two");
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fclose (e);
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e = fopen ("temp2.y", "r");
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if (e == NULL)
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FATAL_ERROR ("fopen temp2.y failed in echoerr", errno);
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CHECK_LINE (e, "one");
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fclose (e);
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remove ("temp2.x");
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remove ("temp2.y");
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/* Test the old pexecute interface. */
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{
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int pid1, pid2;
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char *errmsg_fmt;
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char *errmsg_arg;
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char errbuf1[1000];
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char errbuf2[1000];
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subargv[1] = "echo";
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subargv[2] = "oldpexecute";
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subargv[3] = NULL;
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pid1 = pexecute ("./test-pexecute", subargv, "test-pexecute", "temp",
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&errmsg_fmt, &errmsg_arg, PEXECUTE_FIRST);
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if (pid1 < 0)
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{
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snprintf (errbuf1, sizeof errbuf1, errmsg_fmt, errmsg_arg);
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snprintf (errbuf2, sizeof errbuf2, "pexecute 1 failed: %s", errbuf1);
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FATAL_ERROR (errbuf2, 0);
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}
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subargv[1] = "write";
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subargv[2] = "temp.y";
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subargv[3] = NULL;
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pid2 = pexecute ("./test-pexecute", subargv, "test-pexecute", "temp",
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&errmsg_fmt, &errmsg_arg, PEXECUTE_LAST);
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if (pid2 < 0)
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{
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snprintf (errbuf1, sizeof errbuf1, errmsg_fmt, errmsg_arg);
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snprintf (errbuf2, sizeof errbuf2, "pexecute 2 failed: %s", errbuf1);
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FATAL_ERROR (errbuf2, 0);
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}
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if (pwait (pid1, &status, 0) < 0)
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FATAL_ERROR ("write pwait 1 failed", errno);
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if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_SUCCESS)
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ERROR ("write exit status 1 failed");
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if (pwait (pid2, &status, 0) < 0)
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FATAL_ERROR ("write pwait 1 failed", errno);
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if (!WIFEXITED (status) || WEXITSTATUS (status) != EXIT_SUCCESS)
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ERROR ("write exit status 2 failed");
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e = fopen ("temp.y", "r");
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if (e == NULL)
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FATAL_ERROR ("fopen temp.y failed in copy temp", errno);
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CHECK_LINE (e, "oldpexecute");
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fclose (e);
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remove ("temp.y");
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}
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if (trace)
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fprintf (stderr, "Exiting with status %d\n", error_count);
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return error_count;
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}
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/* Execute one of the special testing commands. */
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static void
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do_cmd (int argc, char **argv)
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{
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const char *s;
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/* Try to prevent generating a core dump. */
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#ifdef RLIMIT_CORE
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{
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struct rlimit r;
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r.rlim_cur = 0;
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r.rlim_max = 0;
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setrlimit (RLIMIT_CORE, &r);
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}
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#endif
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s = argv[1];
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if (strcmp (s, "exit") == 0)
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exit (EXIT_SUCCESS);
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else if (strcmp (s, "echo") == 0)
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{
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int i;
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for (i = 2; i < argc; ++i)
|
|
{
|
|
if (i > 2)
|
|
putchar (' ');
|
|
fputs (argv[i], stdout);
|
|
}
|
|
putchar ('\n');
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
else if (strcmp (s, "echoerr") == 0)
|
|
{
|
|
int i;
|
|
|
|
for (i = 2; i < argc; ++i)
|
|
{
|
|
if (i > 3)
|
|
putc (' ', (i & 1) == 0 ? stdout : stderr);
|
|
fputs (argv[i], (i & 1) == 0 ? stdout : stderr);
|
|
}
|
|
putc ('\n', stdout);
|
|
putc ('\n', stderr);
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
else if (strcmp (s, "error") == 0)
|
|
exit (EXIT_FAILURE);
|
|
else if (strcmp (s, "abort") == 0)
|
|
abort ();
|
|
else if (strcmp (s, "copy") == 0)
|
|
{
|
|
int c;
|
|
|
|
while ((c = getchar ()) != EOF)
|
|
putchar (c);
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
else if (strcmp (s, "write") == 0)
|
|
{
|
|
FILE *e;
|
|
int c;
|
|
|
|
e = fopen (argv[2], "w");
|
|
if (e == NULL)
|
|
FATAL_ERROR ("fopen for write failed", errno);
|
|
while ((c = getchar ()) != EOF)
|
|
putc (c, e);
|
|
if (fclose (e) != 0)
|
|
FATAL_ERROR ("fclose for write failed", errno);
|
|
exit (EXIT_SUCCESS);
|
|
}
|
|
else
|
|
{
|
|
char buf[1000];
|
|
|
|
snprintf (buf, sizeof buf, "unrecognized command %s", argv[1]);
|
|
FATAL_ERROR (buf, 0);
|
|
}
|
|
|
|
exit (EXIT_FAILURE);
|
|
}
|