Test

iguana/exchanges/LP_cache.c

@@ -106,14 +106,19 @@ int32_t LP_cacheitem(struct iguana_info *coin,struct LP_transaction *tx,long rem
 
 long LP_cacheptrs_init(FILE **wfp,struct iguana_info *coin)
 {
-    char fname[1024]; FILE *fp; long n,fsize=0,len = 0; uint8_t *ptr = 0;
+    char fname[1024]; FILE *fp; int32_t flag = 0; long n,fsize=0,len = 0; uint8_t *ptr = 0;
     sprintf(fname,"%s/UNSPENTS/%s.SPV",GLOBAL_DBDIR,coin->symbol), OS_portable_path(fname);
     fp = fopen(fname,"rb");
     if ( ((*wfp)= OS_appendfile(fname)) != 0 )
     {
         if ( fp != 0 )
         {
+            fseek(fp,0,SEEK_END);
+            if ( ftell(fp) > sizeof(struct LP_transaction) )
+                flag = 1;
             fclose(fp);
+            if ( flag != 0 )
+            {
                 ptr = OS_portable_mapfile(fname,&fsize,0);
                 while ( len < fsize )
                 {
@@ -129,6 +134,7 @@ long LP_cacheptrs_init(FILE **wfp,struct iguana_info *coin)
                 }
             }
         }
+    }
     return(fsize);
 }