Add mkdtemp() to libpgport.

This function is pervasive on free software operating systems; import
NetBSD's implementation.  Back-patch to 8.4, like the commit that will
harness it.

3 files changed, 9 insertions, 0 deletions

diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in
index 8aabf3c87a4..ce48dfb691c 100644
--- a/src/include/pg_config.h.in
+++ b/src/include/pg_config.h.in
@@ -345,6 +345,9 @@
 /* Define to 1 if the system has the type `MINIDUMP_TYPE'. */
 #undef HAVE_MINIDUMP_TYPE
 
+/* Define to 1 if you have the `mkdtemp' function. */
+#undef HAVE_MKDTEMP
+
 /* Define to 1 if you have the <netinet/in.h> header file. */
 #undef HAVE_NETINET_IN_H
 
diff --git a/src/include/pg_config.h.win32 b/src/include/pg_config.h.win32
index f5064d19d3c..3413cb29a42 100644
--- a/src/include/pg_config.h.win32
+++ b/src/include/pg_config.h.win32
@@ -261,6 +261,9 @@
 /* Define to 1 if the system has the type `MINIDUMP_TYPE'. */
 #define HAVE_MINIDUMP_TYPE 1
 
+/* Define to 1 if you have the `mkdtemp' function. */
+/* #undef HAVE_MKDTEMP */
+
 /* Define to 1 if you have the <netinet/in.h> header file. */
 #define HAVE_NETINET_IN_H 1
 
diff --git a/src/include/port.h b/src/include/port.h
index 0ffcfcb81d9..c117a38f110 100644
--- a/src/include/port.h
+++ b/src/include/port.h
@@ -476,6 +476,9 @@ extern int	pg_check_dir(const char *dir);
 /* port/pgmkdirp.c */
 extern int	pg_mkdir_p(char *path, int omode);
 
+/* port/mkdtemp.c */
+extern char *mkdtemp(char *path);
+
 /* port/pqsignal.c */
 typedef void (*pqsigfunc) (int signo);
 extern pqsigfunc pqsignal(int signo, pqsigfunc func);