Fixed unconditional MAX_PATH usage (ticket #22).
POSIX doesn't require it to be defined, and Debian GNU/Hurd doesn't define
it. Note that if there is no MAX_PATH defined we have to use realpath()
with NULL argument and free() the result.
diff --git a/src/os/unix/ngx_files.h b/src/os/unix/ngx_files.h
index ffe732c..9c97e2b 100644
--- a/src/os/unix/ngx_files.h
+++ b/src/os/unix/ngx_files.h
@@ -200,14 +200,25 @@
#endif
-#define ngx_realpath(p, r) realpath((char *) p, (char *) r)
+#define ngx_realpath(p, r) (u_char *) realpath((char *) p, (char *) r)
#define ngx_realpath_n "realpath()"
#define ngx_getcwd(buf, size) (getcwd((char *) buf, size) != NULL)
#define ngx_getcwd_n "getcwd()"
#define ngx_path_separator(c) ((c) == '/')
+
+#if defined(PATH_MAX)
+
+#define NGX_HAVE_MAX_PATH 1
#define NGX_MAX_PATH PATH_MAX
+#else
+
+#define NGX_MAX_PATH 4096
+
+#endif
+
+
#define NGX_DIR_MASK_LEN 0
