As a stopgap to get the Windows buildfarm members running again, hot-wire

the check on diff's exit status to check for literally 0 or 1.  Someone
should look into why WIFEXITED/WEXITSTATUS don't work for this, but I've
spent more than enough time on it already.

diff --git a/src/test/regress/pg_regress.c b/src/test/regress/pg_regress.c
index 7a9aa7e219fe5dfeac528e554e697964602bc9ff..f99231c907acb4f1b17438580f6ce147d0c7d90f 100644 (file)
--- a/src/test/regress/pg_regress.c
+++ b/src/test/regress/pg_regress.c
@@ -11,7 +11,7 @@
  * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/test/regress/pg_regress.c,v 1.9 2006/07/20 03:30:58 tgl Exp $
+ * $PostgreSQL: pgsql/src/test/regress/pg_regress.c,v 1.10 2006/07/20 16:25:30 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -699,7 +699,7 @@ psql_start_test(const char *testname)
             outputdir, testname);
 
    snprintf(psql_cmd, sizeof(psql_cmd),
-            SYSTEMQUOTE "\"%s/psql\" -X -a -q -d \"%s\" <\"%s\" >\"%s\" 2>&1" SYSTEMQUOTE,
+            SYSTEMQUOTE "\"%s/psql\" -X -a -q -d \"%s\" < \"%s\" > \"%s\" 2>&1" SYSTEMQUOTE,
             bindir, dbname, infile, outfile);
 
    pid = spawn_process(psql_cmd);
@@ -795,6 +795,32 @@ make_directory(const char *dir)
    }
 }
 
+/*
+ * Run a "diff" command and check that it didn't crash
+ */
+static void
+run_diff(const char *cmd)
+{
+   int r;
+
+   r = system(cmd);
+   /*
+    * XXX FIXME: it appears that include/port/win32.h's definitions of
+    * WIFEXITED and related macros may be wrong.  They certainly don't
+    * work for inspecting the results of system().  For the moment,
+    * hard-wire the check on Windows.
+    */
+#ifndef WIN32
+   if (!WIFEXITED(r) || WEXITSTATUS(r) > 1)
+#else
+   if (r != 0 && r != 1)
+#endif
+   {
+       fprintf(stderr, _("diff command failed with status %d: %s\n"), r, cmd);
+       exit_nicely(2);
+   }
+}
+
 /*
  * Check the actual result file for the given test against expected results
  *
@@ -815,7 +841,6 @@ results_differ(const char *testname)
    int best_line_count;
    int i;
    int l;
-   int r;
 
    /* Check in resultmap if we should be looking at a different file */
    expectname = testname;
@@ -842,14 +867,9 @@ results_differ(const char *testname)
 
    /* OK, run the diff */
    snprintf(cmd, sizeof(cmd),
-            SYSTEMQUOTE "diff %s \"%s\" \"%s\" >\"%s\"" SYSTEMQUOTE,
+            SYSTEMQUOTE "diff %s \"%s\" \"%s\" > \"%s\"" SYSTEMQUOTE,
             basic_diff_opts, expectfile, resultsfile, diff);
-   r = system(cmd);
-   if (!WIFEXITED(r) || WEXITSTATUS(r) > 1)
-   {
-       fprintf(stderr, _("diff command failed with status %d: %s\n"), r, cmd);
-       exit_nicely(2);
-   }
+   run_diff(cmd);
 
    /* Is the diff file empty? */
    if (file_size(diff) == 0)
@@ -871,15 +891,9 @@ results_differ(const char *testname)
            continue;
 
        snprintf(cmd, sizeof(cmd),
-                SYSTEMQUOTE "diff %s \"%s\" \"%s\" >\"%s\"" SYSTEMQUOTE,
+                SYSTEMQUOTE "diff %s \"%s\" \"%s\" > \"%s\"" SYSTEMQUOTE,
                 basic_diff_opts, expectfile, resultsfile, diff);
-       r = system(cmd);
-       if (!WIFEXITED(r) || WEXITSTATUS(r) > 1)
-       {
-           fprintf(stderr, _("diff command failed with status %d: %s\n"),
-                   r, cmd);
-           exit_nicely(2);
-       }
+       run_diff(cmd);
 
        if (file_size(diff) == 0)
        {
@@ -902,14 +916,9 @@ results_differ(const char *testname)
     * we append to the diffs summary file.
     */
    snprintf(cmd, sizeof(cmd),
-            SYSTEMQUOTE "diff %s \"%s\" \"%s\" >>\"%s\"" SYSTEMQUOTE,
+            SYSTEMQUOTE "diff %s \"%s\" \"%s\" >> \"%s\"" SYSTEMQUOTE,
             pretty_diff_opts, best_expect_file, resultsfile, difffilename);
-   r = system(cmd);
-   if (!WIFEXITED(r) || WEXITSTATUS(r) > 1)
-   {
-       fprintf(stderr, _("diff command failed with status %d: %s\n"), r, cmd);
-       exit_nicely(2);
-   }
+   run_diff(cmd);
 
    /* And append a separator */
    difffile = fopen(difffilename, "a");
@@ -1435,7 +1444,7 @@ main(int argc, char *argv[])
 
        /* "make install" */
        snprintf(buf, sizeof(buf),
-                SYSTEMQUOTE "\"%s\" -C \"%s\" DESTDIR=\"%s/install\" install with_perl=no with_python=no >\"%s/log/install.log\" 2>&1" SYSTEMQUOTE,
+                SYSTEMQUOTE "\"%s\" -C \"%s\" DESTDIR=\"%s/install\" install with_perl=no with_python=no > \"%s/log/install.log\" 2>&1" SYSTEMQUOTE,
                 makeprog, top_builddir, temp_install, outputdir);
        if (system(buf))
        {
@@ -1446,10 +1455,10 @@ main(int argc, char *argv[])
        /* initdb */
        header(_("initializing database system"));
        snprintf(buf, sizeof(buf),
-                SYSTEMQUOTE "\"%s/initdb\" -D \"%s/data\" -L \"%s\" --noclean %s %s >\"%s/log/initdb.log\" 2>&1" SYSTEMQUOTE,
+                SYSTEMQUOTE "\"%s/initdb\" -D \"%s/data\" -L \"%s\" --noclean%s%s > \"%s/log/initdb.log\" 2>&1" SYSTEMQUOTE,
                 bindir, temp_install, datadir,
-                debug ? "--debug" : "",
-                nolocale ? "--no-locale" : "",
+                debug ? " --debug" : "",
+                nolocale ? " --no-locale" : "",
                 outputdir);
        if (system(buf))
        {
@@ -1462,9 +1471,9 @@ main(int argc, char *argv[])
         */
        header(_("starting postmaster"));
        snprintf(buf, sizeof(buf),
-                SYSTEMQUOTE "\"%s/postmaster\" -D \"%s/data\" -F %s -c \"listen_addresses=%s\" >\"%s/log/postmaster.log\" 2>&1" SYSTEMQUOTE,
+                SYSTEMQUOTE "\"%s/postmaster\" -D \"%s/data\" -F%s -c \"listen_addresses=%s\" > \"%s/log/postmaster.log\" 2>&1" SYSTEMQUOTE,
                 bindir, temp_install,
-                debug ? "-d 5" : "",
+                debug ? " -d 5" : "",
                 hostname ? hostname : "",
                 outputdir);
        postmaster_pid = spawn_process(buf);