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#R668: Windows 2000 Lock File Creation Error

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This was a tricky one.  While the error was ultimately because
he was specifying a non-existant directory in defaults.nh, the
error message lead me to the wrong area until I traced through
with a debugger.

It turns out that an fqn buffer was being re-used before it
was finished being used with the original information in
sys/share/pcunix.c, so the error message listed the
wrong file!

This adds one more buffer and fixes the problem.
Note that it could only affect plaforms with
PREFIXES_IN_USE defined  (NOCWD_ASSUMPTIONS
or VAR_PLAYGROUND)

It also alters the WIN32 error message to give them a
hint as to what the problem might be.

<email deleted>
<email deleted>
Sent: Saturday, March 23, 2002 9:27 AM
Subject: #R668: Windows 2000 Lock File Creation Error
> nhfrom: 3.4.0 Official binary release for Windows 95/98/NT/2000/Me/XP
> I get an error after unzipping nethack to c:\nethack, and changing the
> configuration (defaults.nh) to reflect this in the hackdir, levels and save
> configuration items.
>
> The error I get is "cannot creat lock file (C:\nethack\NHPERM_lock.)" after
> entering nethack at the command line and answering the Who are you? question.
This commit is contained in:
nethack.allison
2002-03-24 01:37:16 +00:00
parent 88f0680567
commit 67604538c6
2 changed files with 12 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/files.c
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@@ -34,7 +34,7 @@ extern int errno;
#endif
#ifdef PREFIXES_IN_USE
#define FQN_NUMBUF 2
#define FQN_NUMBUF 3
static char fqn_filename_buffer[FQN_NUMBUF][FQN_MAX_FILENAME];
#endif
@@ -909,7 +909,7 @@ int retryct;
lockname = make_lockname(filename, locknambuf);
filename = fqname(filename, whichprefix, 0);
#ifndef NO_FILE_LINKS /* LOCKDIR should be subsumed by LOCKPREFIX */
lockname = fqname(lockname, LOCKPREFIX, 1);
lockname = fqname(lockname, LOCKPREFIX, 2);
#endif
#if defined(UNIX) || defined(VMS)
@@ -1013,7 +1013,7 @@ const char *filename;
if (nesting == 1) {
lockname = make_lockname(filename, locknambuf);
#ifndef NO_FILE_LINKS /* LOCKDIR should be subsumed by LOCKPREFIX */
lockname = fqname(lockname, LOCKPREFIX, 1);
lockname = fqname(lockname, LOCKPREFIX, 2);
#endif
#if defined(UNIX) || defined(VMS)