fix /proc/#/maps parse faliures, formatting cleanup

stepmania/src/archutils/Unix/CrashHandler.cpp

@@ -215,41 +215,38 @@ static int get_readable_ranges( const void **starts, const void **ends, int size
 				break;
 			*p++ = 0;
 
+			char line[1024];
+			strcpy( line, file );
+			memmove(file, p, file_used);
+			file_used -= p-file;
+
 			/* Search for the hyphen. */
-			char *hyphen = strchr( file, '-' );
+			char *hyphen = strchr( line, '-' );
 			if( hyphen == NULL )
-			{
-				/* Parse error. */
-				continue;
-			}
+				continue; /* Parse error. */
 
 
 			/* Search for the space. */
 			char *space = strchr( hyphen, ' ' );
 			if( space == NULL )
-			{
-				/* Parse error. */
-				continue;
-			}
+				continue; /* Parse error. */
 
 			/* " rwxp".  If space[1] isn't 'r', then the block isn't readable. */
 			if( strlen(space) < 2 || space[1] != 'r' )
 				continue;
 
-			*starts++ = (const void *) xtoi( file );
+			*starts++ = (const void *) xtoi( line );
 			*ends++ = (const void *) xtoi( hyphen+1 );
-
-			file_used -= p-file;
-			memmove(file, p, file_used);
 		}
 
 		if( file_used == sizeof(file) )
 		{
 			/* Line longer than the buffer.  Weird; bail. */
+			break;
+		}
+	}
+
 	close(fd);
-			return false;
-		}
-	}
 
 	*starts++ = NULL;
 	*ends++ = NULL;