shithub: rgbds

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Improve performance when padding: don't write a byte at a time.

--- a/src/fix/main.c

+++ b/src/fix/main.c

@@ -390,11 +390,10 @@

 			headbyte++;

 		}

-		while (newsize != ftell(rom)) /* ROM needs resizing */

-			fputc(padvalue, rom);

-

 		if (newsize > 0x800000) /* ROM is bigger than 8MiB */

 			fprintf(stderr, "ROM size is bigger than 8MiB\n");

+

+		ftruncate(fileno(rom), newsize);

 		fseek(rom, 0x148, SEEK_SET);

 		fputc(headbyte, rom);