Moves and fixes

1 files changed, 114 insertions, 0 deletions

diff --git a/misc.c b/misc.c
index a74b0e4..d45c910 100644
--- a/misc.c
+++ b/misc.c
@@ -1,6 +1,10 @@
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include "misc.h"
+#include "defines.h"
+#include "interface.h"
+#include "graphics.h"
 
 //Signum function
 #ifdef WIN32
@@ -80,4 +84,114 @@ void strlist_free(struct strlist **list)
         *list = (*list)->next;
         free(item);
     }
+}
+
+void save_presets(int do_update)
+{
+    FILE *f=fopen("powder.def", "wb");
+    unsigned char sig[4] = {0x50, 0x44, 0x65, 0x66};
+    unsigned char tmp = sdl_scale;
+    if(!f)
+        return;
+    fwrite(sig, 1, 4, f);
+    save_string(f, svf_user);
+    save_string(f, svf_pass);
+    fwrite(&tmp, 1, 1, f);
+    tmp = cmode;
+    fwrite(&tmp, 1, 1, f);
+    tmp = svf_admin;
+    fwrite(&tmp, 1, 1, f);
+    tmp = svf_mod;
+    fwrite(&tmp, 1, 1, f);
+    save_string(f, http_proxy_string);
+    tmp = SAVE_VERSION;
+    fwrite(&tmp, 1, 1, f);
+    tmp = MINOR_VERSION;
+    fwrite(&tmp, 1, 1, f);
+    tmp = do_update;
+    fwrite(&tmp, 1, 1, f);
+    fclose(f);
+}
+
+void load_presets(void)
+{
+    FILE *f=fopen("powder.def", "rb");
+    unsigned char sig[4], tmp;
+    if(!f)
+        return;
+    fread(sig, 1, 4, f);
+    if(sig[0]!=0x50 || sig[1]!=0x44 || sig[2]!=0x65 || sig[3]!=0x66)
+    {
+        if(sig[0]==0x4D && sig[1]==0x6F && sig[2]==0x46 && sig[3]==0x6F)
+        {
+            if(fseek(f, -3, SEEK_END))
+            {
+                remove("powder.def");
+                return;
+            }
+            if(fread(sig, 1, 3, f) != 3)
+            {
+                remove("powder.def");
+                goto fail;
+            }
+            last_major = sig[0];
+            last_minor = sig[1];
+            update_flag = sig[2];
+        }
+        fclose(f);
+        remove("powder.def");
+        return;
+    }
+    if(load_string(f, svf_user, 63))
+        goto fail;
+    if(load_string(f, svf_pass, 63))
+        goto fail;
+    svf_login = !!svf_user[0];
+    if(fread(&tmp, 1, 1, f) != 1)
+        goto fail;
+    sdl_scale = (tmp == 2) ? 2 : 1;
+    if(fread(&tmp, 1, 1, f) != 1)
+        goto fail;
+    cmode = tmp%7;
+    if(fread(&tmp, 1, 1, f) != 1)
+        goto fail;
+    svf_admin = tmp;
+    if(fread(&tmp, 1, 1, f) != 1)
+        goto fail;
+    svf_mod = tmp;
+    if(load_string(f, http_proxy_string, 255))
+        goto fail;
+    if(fread(sig, 1, 3, f) != 3)
+        goto fail;
+    last_major = sig[0];
+    last_minor = sig[1];
+    update_flag = sig[2];
+fail:
+    fclose(f);
+}
+
+void save_string(FILE *f, char *str)
+{
+    int li = strlen(str);
+    unsigned char lb[2];
+    lb[0] = li;
+    lb[1] = li >> 8;
+    fwrite(lb, 2, 1, f);
+    fwrite(str, li, 1, f);
+}
+
+int load_string(FILE *f, char *str, int max)
+{
+    int li;
+    unsigned char lb[2];
+    fread(lb, 2, 1, f);
+    li = lb[0] | (lb[1] << 8);
+    if(li > max)
+    {
+        str[0] = 0;
+        return 1;
+    }
+    fread(str, li, 1, f);
+    str[li] = 0;
+    return 0;
 }
\ No newline at end of file