I'm trying to help a user of the dg scripts package port it to borland.
For this I downloaded Borlands free compiler, version 5.5, and tried
to compile my working copy, which gives no warnings of any kind when
using gcc. I got a lot of warnings. Also from files I haven't changed.
So I downloaded bpl 21, and the fixed conf.h.win George posted a couple of
weeks ago, and followed the steps in readme.borland - Here's the result;
C:\mud\circle30bpl21\src>make -fmakefile.bcc55
MAKE Version 5.2 Copyright (c) 1987, 2000 Borland
Bcc32 -P- -c @MAKE0001.@@@
Warning W8008 alias.c 72: Condition is always false in function read_aliases
Warning W8066 alias.c 72: Unreachable code in function read_aliases
Warning W8008 alias.c 100: Condition is always false in function
read_aliases
Warning W8066 alias.c 100: Unreachable code in function read_aliases
<snip of working files>
Warning W8008 ban.c 64: Condition is always false in function load_banned
Warning W8066 ban.c 64: Unreachable code in function load_banned
<snip because you get the picture now>
All the places where this particular warning show up, correspond to a
call to the CREATE macro:
#define CREATE(result, type, number) do {\
if ((number) * sizeof(type) <= 0) \
log("SYSERR: Zero bytes or less requested at %s:%d.",
__FILE__, __LINE__); \
if (!((result) = (type *) calloc ((number), sizeof(type)))) \
{ perror("SYSERR: malloc failure"); abort(); } } while(0)
Further investigation proves it to be the condition
if ((number) * sizeof(type) <= 0) \
that is always false. The error occurs every time 1 is passed as the last
parameter. I have tried changing the macro as follows:
#define CREATE(result, type, number) do {\
! if ((number) <= 0) \
log("SYSERR: Zero bytes or less requested at %s:%d.",
__FILE__, __LINE__); \
if (!((result) = (type *) calloc ((number), sizeof(type)))) \
{ perror("SYSERR: malloc failure"); abort(); } } while(0)
but to no avail - same bug occurs.
Anyone got a clue ?
Welcor
Btw - there's a compilation error in db.c, since PATH_MAX isn't defined
in windows.
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