1 files changed, 133 insertions, 0 deletions
diff --git a/src/setting.cpp b/src/setting.cpp
new file mode 100644
index 0000000..e46888c
--- /dev/null
+++ b/src/setting.cpp
@@ -0,0 +1,133 @@
+//|_   _   _.     _  ._  |_   _.  _ |
+//| | (/_ (_| \/ (/_ | | | | (_| (_ |<
+
+#include "setting.h"
+
+const char* get_path() {
+  static char out_dir[260]{};
+
+  if( !out_dir[0] ) {
+    strcat( out_dir, getenv( "USERPROFILE" ) );
+    strcat( out_dir, "/" );
+    strcat( out_dir, ".godword" );
+  }
+
+  return out_dir;
+}
+
+// credits: gcc
+size_t getline(char **lineptr, size_t *n, FILE *stream) {
+  char *bufptr = NULL;
+  char *p = bufptr;
+  size_t size;
+  int c;
+
+  if (lineptr == NULL) {
+    return -1;
+  }
+  if (stream == NULL) {
+    return -1;
+  }
+  if (n == NULL) {
+    return -1;
+  }
+  bufptr = *lineptr;
+  size = *n;
+
+  c = fgetc(stream);
+  if (c == EOF) {
+    return -1;
+  }
+  if (bufptr == NULL) {
+    bufptr = (char*)malloc(128);
+    if (bufptr == NULL) {
+      return -1;
+    }
+    size = 128;
+  }
+  p = bufptr;
+  while(c != EOF) {
+    if ((p - bufptr) > int(size - 1)) {
+      size = size + 128;
+      bufptr = (char*)realloc(bufptr, size);
+      if (bufptr == NULL) {
+        return -1;
+      }
+    }
+    *p++ = c;
+    if (c == '\n') {
+      break;
+    }
+    c = fgetc(stream);
+  }
+
+  *p++ = '\0';
+  *lineptr = bufptr;
+  *n = size;
+
+  return p - bufptr - 1;
+}
+
+void setting_save( const char* name, const void* src, U32 size ) {
+  char*     buffer = (char*)malloc( size * 2 + 1 );
+  const U8* data = (const U8*)( src );
+
+  memset( buffer, 0, size * 2 + 1 );
+
+  for( U32 i = 0; i < size; ++i ) {
+    sprintf( &buffer[2 * i], "%02x", data[i] );
+  }
+
+  FILE* f = fopen( get_path(), "a" );
+  if( !f )
+    return free( buffer );
+
+  fprintf( f, "%s = %s\n", name, buffer );
+  fflush( f );
+
+  free( buffer );
+  fclose( f );
+}
+
+void setting_load( const char* name, const void* dst, U32 size ) {
+  char* buffer = (char*)malloc( size * 2 + 1 );
+  U8*   data = (U8*)( dst );
+
+  memset( buffer, 0, size * 2 + 1 );
+
+  FILE* f = fopen( get_path(), "r+" );
+  if( !f )
+    return free( buffer );
+
+  char  read_name[64]{};
+  char* line = nullptr;
+  U32   len = 128;
+
+  /*
+   * probably not the proper way
+   * don't wanna fuck with an entire ini parser
+  */
+  while( getline( &line, &len, f ) != -1 ) {
+    if( line ) {
+      sscanf( line, "%s = %s", read_name, buffer );
+      if( !strcmp( name, read_name ) )
+        break;
+
+      free( line );
+      line = nullptr;
+    }
+  }
+
+  fclose( f );
+
+  if( !buffer[0] )
+    return free( buffer );
+
+  for( U32 i = 0; i < size; ++i ) {
+    unsigned temp;
+    sscanf( &buffer[2 * i], "%02x", &temp );
+    data[i] = temp;
+  }
+
+  free( buffer );
+}