• src/sbbs3/getmsg.cpp

    From Rob Swindell@VERT to Git commit to main/sbbs/master on Sun Jul 3 15:55:50 2022
    https://gitlab.synchro.net/main/sbbs/-/commit/bd725db622999e7311ab340e
    Modified Files:
    src/sbbs3/getmsg.cpp
    Log Message:
    Paranoia around use of smb.subnum as an index into scfg.sub[]

    Use the is_valid_subnum() function before using the smb.subnum as an index into (s)cfg.sub[]. Related to the previous committed fix of writemsg(): leaving the global smb.subnum as -1 (INVALID_SUB) after replying to a post via email or netmail, resulting in a crash here.

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