1 files changed, 58 insertions, 0 deletions
diff --git a/src/backend/port/nextstep/port.c b/src/backend/port/nextstep/port.c
new file mode 100644
index 00000000000..3da87b32eb8
--- /dev/null
+++ b/src/backend/port/nextstep/port.c
@@ -0,0 +1,58 @@
+#ifndef _POSIX_SOURCE
+# include <libc.h>
+#else
+# include <unistd.h>
+# include <stdlib.h>
+#endif
+
+#include <string.h>
+#include <sys/signal.h>
+
+
+void putenv(char* name)
+{
+    extern char** environ;
+    static int was_mallocated = 0;
+    int size;
+
+    /* Compute the size of environ array including the final NULL */
+    for (size = 1; environ[size++];)
+	/* nothing */;
+
+    if (!was_mallocated) {
+	char** tmp = environ;
+	int i;
+
+	was_mallocated = 1;
+	environ = malloc (size * sizeof(char*));
+	for (i = 0; i < size; i++)
+	    environ[i] = tmp[i];
+    }
+
+    environ = realloc (environ, (size + 1) * sizeof (char*));
+    environ[size - 1] = strcpy (malloc (strlen (name) + 1), name);
+    environ[size] = NULL;
+}
+
+char* strdup (const char* string)
+{
+    return strcpy (malloc (strlen (string) + 1), string);
+}
+
+#ifndef _POSIX_SOURCE
+int sigaddset(int *set, int signo)
+{
+    *set |= sigmask(signo);
+    return *set;
+}
+
+int sigemptyset(int *set)
+{
+    return (*set = 0);
+}
+
+char *getcwd(char *buf, size_t size)
+{
+    return getwd (buf);
+}
+#endif