1 files changed, 54 insertions, 0 deletions
diff --git a/qa/src/chkopenlog.c b/qa/src/chkopenlog.c
new file mode 100644
index 0000000..eb5c22c
--- /dev/null
+++ b/qa/src/chkopenlog.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 1997-2001 Silicon Graphics, Inc.  All Rights Reserved.
+ */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <pcp/pmapi.h>
+#include <pcp/impl.h>
+
+int
+main(int argc, char *argv[])
+{
+    int		sts;
+    FILE	*f;
+    FILE	*fout;
+    int		fd;
+    int		nextfd;
+
+    close(3);		/* some stdio versions start with this open */
+    close(4);		/* some stdio versions start with this open */
+    fd = atoi(argv[1]);
+    if (fd == 1) fout = stdout;
+    else if (fd == 2) fout = stderr;
+    else fout = fopen("/tmp/chk.fout", "w");
+    if (fout == NULL) {
+	fprintf(stderr, "chkopenlog: botched open ... fd=%d\n", fd);
+	sts = system("ls -l /tmp/chk.fout");
+	exit(sts == 0 ? 1 : sts);
+    }
+
+    fprintf(fout, "This message on oldstream before __pmOpenLog() called\n");
+
+
+#define whatis(f) (f == (stderr) ? " (stderr)" : (f == (stdout) ? " (stdout)" : (f == NULL ? " (NULL)" : "")))
+
+    nextfd = open("/dev/null", 0);
+    if (nextfd < 0) {
+	fprintf(stderr, "chkopenlog: failed /dev/null open\n");
+	exit(2);
+    }
+    fprintf(stderr, "Starting with oldstream%s fd=%d, nextfd=%d\n", whatis(fout), fileno(fout), nextfd);
+    close(nextfd);
+
+    nextfd = open("/dev/null", 0);
+    f = __pmOpenLog("chkopenlog", argv[2], fout, &sts);
+    fprintf(stderr, "__pmOpenLog -> sts=%d, log %s newstream%s fd=%d, nextfd=%d\n",
+	sts, argv[2], whatis(f), f != NULL ? fileno(f) : -1, nextfd);
+    if (f != NULL)
+	fprintf(f, "[a helpful little message]\n");
+
+    exit(0);
+}