TZUTC: -0800
MSGID: 54187.syncprog@1:103/705 2dd12a10
PID: Synchronet 3.21b-Linux master/177a369d2 Jan 04 2026 GCC 12.2.0
TID: SBBSecho 3.34-Linux master/5bd46a2ed Jan 16 2026 GCC 12.2.0
BBSID: VERT
CHRS: ASCII 1
FORMAT: flowed
https://gitlab.synchro.net/main/sbbs/-/commit/bb6381902fa8ec6585dd65d1
Modified Files:
	docs/v321_new.txt src/sbbs3/chksmb.c msg_id.c postmsg.cpp src/smblib/smbadd.c
smballoc.c smbdefs.h smbfile.c smblib.c
Log Message:
Track message base lock status in smb_t

This allows an application (in this case chksmb with the new -l parameter) to
lock a message base and have it automatically unlocked when closed via
smb_close().

As part of this change, I renamed smb_t.locked to smb_t.smbhdr_locked to avoid
confusion about which lock state is being reflected by what in smb_t.

Incremented SMBLIB version to 3.21
--- SBBSecho 3.34-Linux
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