io_check_*()/io_file_exist(): Fix signatures

This was broken in commit 87fb8cfec0d8e8fc901746095458bd316314b6ee. Fix
function signatures and update all invocations accordingly.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

3 files changed, 22 insertions, 22 deletions

diff --git a/src/args.c b/src/args.c
index 0ffd46b..85c91cb 100644
--- a/src/args.c
+++ b/src/args.c
@@ -641,10 +641,10 @@ int parse_args(int argc, char **argv)
       non_interactive = 1;
     } else if (gflag) {
       io_init(cfile, datadir);
-      io_check_dir(path_dir, NULL);
-      io_check_dir(path_notes, NULL);
-      io_check_file(path_apts, NULL);
-      io_check_file(path_todo, NULL);
+      io_check_dir(path_dir);
+      io_check_dir(path_notes);
+      io_check_file(path_apts);
+      io_check_file(path_todo);
       io_load_app();
       io_load_todo();
       note_gc();
@@ -652,12 +652,12 @@ int parse_args(int argc, char **argv)
     } else if (multiple_flag) {
       if (load_data) {
         io_init(cfile, datadir);
-        io_check_dir(path_dir, NULL);
-        io_check_dir(path_notes, NULL);
+        io_check_dir(path_dir);
+        io_check_dir(path_notes);
       }
       if (iflag) {
-        io_check_file(path_apts, NULL);
-        io_check_file(path_todo, NULL);
+        io_check_file(path_apts);
+        io_check_file(path_todo);
         /* Get default pager in case we need to show a log file. */
         vars_init();
         io_load_app();
@@ -668,8 +668,8 @@ int parse_args(int argc, char **argv)
         non_interactive = 1;
       }
       if (xflag) {
-        io_check_file(path_apts, NULL);
-        io_check_file(path_todo, NULL);
+        io_check_file(path_apts);
+        io_check_file(path_todo);
         io_load_app();
         io_load_todo();
         io_export_data(xfmt);
@@ -677,20 +677,20 @@ int parse_args(int argc, char **argv)
         return non_interactive;
       }
       if (tflag) {
-        io_check_file(path_todo, NULL);
+        io_check_file(path_todo);
         io_load_todo();
         todo_arg(tnum, fmt_todo, preg);
         non_interactive = 1;
       }
       if (nflag) {
-        io_check_file(path_apts, NULL);
+        io_check_file(path_apts);
         io_load_app();
         next_arg();
         non_interactive = 1;
       }
       if (dflag || rflag || sflag) {
-        io_check_file(path_apts, NULL);
-        io_check_file(path_conf, NULL);
+        io_check_file(path_apts);
+        io_check_file(path_conf);
         io_load_app();
         config_load();          /* To get output date format. */
         if (dflag)
@@ -702,8 +702,8 @@ int parse_args(int argc, char **argv)
       } else if (aflag) {
         struct date day;
 
-        io_check_file(path_apts, NULL);
-        io_check_file(path_conf, NULL);
+        io_check_file(path_apts);
+        io_check_file(path_conf);
         vars_init();
         config_load();          /* To get output date format. */
         io_load_app();
diff --git a/src/calcurse.h b/src/calcurse.h
index 041b865..0feefcc 100644
--- a/src/calcurse.h
+++ b/src/calcurse.h
@@ -754,9 +754,9 @@ void io_save_cal(enum save_display);
 void io_load_app(void);
 void io_load_todo(void);
 void io_load_keys(const char *);
-void io_check_dir(char *, int *);
-unsigned io_file_exist(char *);
-void io_check_file(char *, int *);
+int io_check_dir(const char *);
+unsigned io_file_exist(const char *);
+int io_check_file(const char *);
 int io_check_data_files(void);
 void io_startup_screen(int);
 void io_export_data(enum export_type);
diff --git a/src/io.c b/src/io.c
index 1988179..b8fccfd 100644
--- a/src/io.c
+++ b/src/io.c
@@ -793,7 +793,7 @@ void io_load_keys(const char *pager)
     WARN_MSG(_("Some actions do not have any associated key bindings!"));
 }
 
-void io_check_dir(char *dir, int *missing)
+int io_check_dir(const char *dir)
 {
   if (read_only)
     return -1;
@@ -812,7 +812,7 @@ void io_check_dir(char *dir, int *missing)
   }
 }
 
-unsigned io_file_exist(char *file)
+unsigned io_file_exist(const char *file)
 {
   FILE *fd;
 
@@ -825,7 +825,7 @@ unsigned io_file_exist(char *file)
   }
 }
 
-unsigned io_check_file(char *file)
+int io_check_file(const char *file)
 {
   if (read_only)
     return -1;