Fix SCO OpenServer 5.0.7/3.2 build.

1 files changed, 146 insertions, 0 deletions

diff --git a/textproc/groff/files/mkstemp.c b/textproc/groff/files/mkstemp.c
new file mode 100644
index 00000000000..d17bae6f8e5
--- /dev/null
+++ b/textproc/groff/files/mkstemp.c
@@ -0,0 +1,146 @@
+/*	$NetBSD: mkstemp.c,v 1.1 2014/07/18 10:11:35 ryoon Exp $	*/
+
+/*
+ * Copyright (c) 1987, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+int
+gettemp(char *path, int *doopen, int domkdir)
+{
+	char *start, *trv;
+	struct stat sbuf;
+	unsigned int pid;
+
+	/* To guarantee multiple calls generate unique names even if
+	   the file is not created. 676 different possibilities with 7
+	   or more X's, 26 with 6 or less. */
+	static char xtra[3] = "aa";
+	int xcnt = 0;
+
+	/* doopen may be NULL */
+
+	pid = getpid();
+
+	/* Move to end of path and count trailing X's. */
+	for (trv = path; *trv; ++trv)
+		if (*trv == 'X')
+			xcnt++;
+		else
+			xcnt = 0;	
+
+	/* Use at least one from xtra.  Use 2 if more than 6 X's. */
+	if (*(trv - 1) == 'X')
+		*--trv = xtra[0];
+	if (xcnt > 6 && *(trv - 1) == 'X')
+		*--trv = xtra[1];
+
+	/* Set remaining X's to pid digits with 0's to the left. */
+	while (*--trv == 'X') {
+		*trv = (pid % 10) + '0';
+		pid /= 10;
+	}
+
+	/* update xtra for next call. */
+	if (xtra[0] != 'z')
+		xtra[0]++;
+	else {
+		xtra[0] = 'a';
+		if (xtra[1] != 'z')
+			xtra[1]++;
+		else
+			xtra[1] = 'a';
+	}
+
+	/*
+	 * check the target directory; if you have six X's and it
+	 * doesn't exist this runs for a *very* long time.
+	 */
+	for (start = trv + 1;; --trv) {
+		if (trv <= path)
+			break;
+		if (*trv == '/') {
+			*trv = '\0';
+			if (stat(path, &sbuf))
+				return (0);
+			if (!S_ISDIR(sbuf.st_mode)) {
+				errno = ENOTDIR;
+				return (0);
+			}
+			*trv = '/';
+			break;
+		}
+	}
+
+	for (;;) {
+		if (doopen) {
+			if ((*doopen =
+			    open(path, O_CREAT | O_EXCL | O_RDWR, 0600)) >= 0)
+				return (1);
+			if (errno != EEXIST)
+				return (0);
+		} else if (domkdir) {
+			if (mkdir(path, 0700) >= 0)
+				return (1);
+			if (errno != EEXIST)
+				return (0);
+		} else if (lstat(path, &sbuf))
+			return (errno == ENOENT ? 1 : 0);
+
+		/* tricky little algorithm for backward compatibility */
+		for (trv = start;;) {
+			if (!*trv)
+				return (0);
+			if (*trv == 'z')
+				*trv++ = 'a';
+			else {
+				if (isdigit((unsigned char)*trv))
+					*trv = 'a';
+				else
+					++*trv;
+				break;
+			}
+		}
+	}
+	/*NOTREACHED*/
+}
+
+int
+pkgsrc_mkstemp(char *path)
+{
+	int fd;
+
+	return (gettemp(path, &fd, 0) ? fd : -1);
+}