From 0d4752e3f6b7558ce260fff04c70af643d222172 Mon Sep 17 00:00:00 2001
From: Solomon Peachy <pizza@shaftnet.org>
Date: Sun, 9 Aug 2020 09:41:51 -0400
Subject: [PATCH] plugins:  Make 'struct configdata' argument to the configfile
 helper const

So plugins can use const structures, possibly saving a little bit of RAM.

Change-Id: I15b0ef20e7554caf5f6d1c12f6ab109ddf3c0dbd
---
 apps/plugins/lib/configfile.c | 20 ++++++++++----------
 apps/plugins/lib/configfile.h |  4 ++--
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/apps/plugins/lib/configfile.c b/apps/plugins/lib/configfile.c
index ab1e21ad4a..2ab8f77e26 100644
--- a/apps/plugins/lib/configfile.c
+++ b/apps/plugins/lib/configfile.c
@@ -42,7 +42,7 @@ static void get_cfg_filename(char* buf, int buf_len, const char* filename)
 #endif
 }
 
-int configfile_save(const char *filename, struct configdata *cfg,
+int configfile_save(const char *filename, const struct configdata *cfg,
                     int num_items, int version)
 {
     int fd;
@@ -56,7 +56,7 @@ int configfile_save(const char *filename, struct configdata *cfg,
 
     /* pre-allocate 10 bytes for INT */
     rb->fdprintf(fd, "file version: %10d\n", version);
-    
+
     for(i = 0;i < num_items;i++) {
         switch(cfg[i].type) {
             case TYPE_INT:
@@ -91,7 +91,7 @@ int configfile_save(const char *filename, struct configdata *cfg,
     return 0;
 }
 
-int configfile_load(const char *filename, struct configdata *cfg,
+int configfile_load(const char *filename, const struct configdata *cfg,
                     int num_items, int min_version)
 {
     int fd;
@@ -118,7 +118,7 @@ int configfile_load(const char *filename, struct configdata *cfg,
                 return -1;
             }
         }
-        
+
         for(i = 0;i < num_items;i++) {
             if(!rb->strcmp(cfg[i].name, name)) {
                 switch(cfg[i].type) {
@@ -149,7 +149,7 @@ int configfile_load(const char *filename, struct configdata *cfg,
             }
         }
     }
-    
+
     rb->close(fd);
     return 0;
 }
@@ -190,13 +190,13 @@ int configfile_update_entry(const char* filename, const char* name, int val)
     int found = 0;
     int line_len = 0;
     int pos = 0;
-    
+
     /* open the current config file */
     get_cfg_filename(path, MAX_PATH, filename);
     fd = rb->open(path, O_RDWR);
     if(fd < 0)
         return -1;
-    
+
     /* read in the current stored settings */
     while((line_len = rb->read_line(fd, buf, 256)) > 0)
     {
@@ -211,13 +211,13 @@ int configfile_update_entry(const char* filename, const char* name, int val)
         }
         pos += line_len;
     }
-    
+
     /* if (name/val) is a new entry just append to file */
     if (found == 0)
         /* pre-allocate 10 bytes for INT */
         rb->fdprintf(fd, "%s: %10d\n", name, val);
-    
+
     rb->close(fd);
-    
+
     return found;
 }
diff --git a/apps/plugins/lib/configfile.h b/apps/plugins/lib/configfile.h
index 4a980b4e67..69869142e2 100644
--- a/apps/plugins/lib/configfile.h
+++ b/apps/plugins/lib/configfile.h
@@ -45,10 +45,10 @@ struct configdata
 /* configfile_save - Given configdata entries this function will
    create a config file with these entries, destroying any
    previous config file of the same name */
-int configfile_save(const char *filename, struct configdata *cfg,
+int configfile_save(const char *filename, const struct configdata *cfg,
                     int num_items, int version);
 
-int configfile_load(const char *filename, struct configdata *cfg,
+int configfile_load(const char *filename, const struct configdata *cfg,
                     int num_items, int min_version);
 
 /* configfile_get_value - Given a key name, this function will