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Bug fix: Volume Descriptor Set Terminator contained non-zero bytes in

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the reserved field (ECMA-119 8.3.4). The bytes stem from an uninitialized
local variable.
This commit is contained in:
Thomas Schmitt 2011-01-24 15:03:09 +01:00
parent 81cded618d
commit 92073c45ef
1 changed files with 4 additions and 2 deletions
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6
libisofs/ecma119.c
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@ -1,7 +1,7 @@
/* /*
* Copyright (c) 2007 Vreixo Formoso * Copyright (c) 2007 Vreixo Formoso
* Copyright (c) 2007 Mario Danic * Copyright (c) 2007 Mario Danic
* Copyright (c) 2009 - 2010 Thomas Schmitt * Copyright (c) 2009 - 2011 Thomas Schmitt
* *
* This file is part of the libisofs project; you can redistribute it and/or * This file is part of the libisofs project; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2 * modify it under the terms of the GNU General Public License version 2
@ -1135,6 +1135,8 @@ int write_vol_desc_terminator(Ecma119Image *target)
uint8_t buf[BLOCK_SIZE]; uint8_t buf[BLOCK_SIZE];
struct ecma119_vol_desc_terminator *vol; struct ecma119_vol_desc_terminator *vol;
memset(buf, 0, BLOCK_SIZE);
vol = (struct ecma119_vol_desc_terminator *) buf; vol = (struct ecma119_vol_desc_terminator *) buf;
vol->vol_desc_type[0] = 255; vol->vol_desc_type[0] = 255;
@ -1209,7 +1211,7 @@ int write_head_part2(Ecma119Image *target, int *write_count, int flag)
return ISO_SUCCESS; return ISO_SUCCESS;
/* Write multi-session padding up to target->partition_offset + 16 */ /* Write multi-session padding up to target->partition_offset + 16 */
memset(buf, 0, 2048); memset(buf, 0, BLOCK_SIZE);
for(; *write_count < target->partition_offset + 16; (*write_count)++) { for(; *write_count < target->partition_offset + 16; (*write_count)++) {
res = iso_write(target, buf, BLOCK_SIZE); res = iso_write(target, buf, BLOCK_SIZE);
if (res < 0) if (res < 0)