More constness

[pspp-builds.git] / src / data / file-name.h

diff --git a/src/data/file-name.h b/src/data/file-name.h
index 427fa8dca7e70107f7cbbfb95d2760ff99ca8fc6..333aa5a7ebc5f7846bc37b01c62bb7650c006f31 100644 (file)
--- a/src/data/file-name.h
+++ b/src/data/file-name.h
@@ -21,6 +21,7 @@
 #define FILE_NAME_H 1
 
 #include <stdio.h>
+#include <stdbool.h>
 
 /* Search path for configuration files. */
 extern const char *config_path;
@@ -28,8 +29,10 @@ extern const char *config_path;
 void fn_init (void);
 
 struct string;
-void fn_interp_vars (struct string *target, 
-                     const char *(*getenv) (const char *));
+struct substring;
+void fn_interp_vars (struct substring src, 
+                     const char *(*getenv) (const char *),
+                     struct string *dst);
 char *fn_tilde_expand (const char *fn);
 char *fn_search_path (const char *base_name, const char *path,
                      const char *prefix);
@@ -39,9 +42,9 @@ char *fn_extension (const char *fn);
 
 char *fn_get_cwd (void);
 
-int fn_is_absolute (const char *fn);
-int fn_is_special (const char *fn);
-int fn_exists (const char *fn);
+bool fn_is_absolute (const char *fn);
+bool fn_is_special (const char *fn);
+bool fn_exists (const char *fn);
 char *fn_readlink (const char *fn);
 
 const char *fn_getenv (const char *variable);