1 files changed, 38 insertions, 0 deletions
diff --git a/src/libs/libgroff/getcwd.c b/src/libs/libgroff/getcwd.c
new file mode 100644
index 00000000..208e8111
--- /dev/null
+++ b/src/libs/libgroff/getcwd.c
@@ -0,0 +1,38 @@
+/* Partial emulation of getcwd in terms of getwd. */
+
+#include <sys/param.h>
+#include <string.h>
+#include <errno.h>
+#ifndef errno
+extern int errno;
+#endif
+
+char *getwd();
+
+char *getcwd(buf, size)
+     char *buf;
+     int size;			/* POSIX says this should be size_t */
+{
+  if (size <= 0) {
+    errno = EINVAL;
+    return 0;
+  }
+  else {
+    char mybuf[MAXPATHLEN];
+    int saved_errno = errno;
+
+    errno = 0;
+    if (!getwd(mybuf)) {
+      if (errno == 0)
+	;       /* what to do? */
+      return 0;
+    }
+    errno = saved_errno;
+    if (strlen(mybuf) + 1 > size) {
+      errno = ERANGE;
+      return 0;
+    }
+    strcpy(buf, mybuf);
+    return buf;
+  }
+}