Package: apex-nslu2
Version: 1.4.15
Severity: normal
Debian/etch APEX MTD partitions are padded with zeros as opposed to
0xffs which means that the configuration environment cannot be edited
with apex-env. 'apex-env eraseenv' does fill the partition with 0xffs,
but one needs to use the force command line parameter to force the
program to ignore the zero padding. However, apex-env does not work
with and also ignores the force parameter.
$ sudo apex-env eraseenv
error: use force option to erase region containing foreign data
Try `apex-env --help' or `apex-env --usage' for more information.
$ sudo apex-env eraseenv --force
Password:
apex-env: unrecognized option `--force'
Try `apex-env --help' or `apex-env --usage' for more information.
It actually looks like the force parameter is never parsed, so the
force parameter of the method eraseenv can't be changed from the
apex-env command line, and therefore is always false:
usr/link.h:
void eraseenv (bool force = false);
usr/apex-env.cc:
void cmd_eraseenv (Link& link, int argc, const char** argv)
{
if (argc == 1)
link.eraseenv ();
else
throw "incorrect number of command arguments";
}
usr/Link.cc:
void Link::eraseenv (bool force)
{
if (m_state == envNull)
throw "no writable environment available";
if (m_state == envNoWrite && !force)
throw "use force option to erase region containing foreign data";
char rgb[cbEnv];
memset (rgb, 0xff, sizeof (rgb));
if ( ::lseek (fhEnvBlock, ibEnv, SEEK_SET) != ibEnv
|| ::write (fhEnvBlock, rgb, cbEnv) != cbEnv)
throw "failed to write environment";
}
-- System Information:
Debian Release: 4.0
APT prefers testing
APT policy: (500, 'testing')
Architecture: arm (armv5tel)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-4-ixp4xx
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
-- no debconf information
Gordon
--
Gordon Farquharson
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