On Mon, Apr 9, 2012 at 7:38 AM, Clover White <mywhiteclo...@gmail.com> wrote: > Hi, > I'm debugging initdb using gdb. > I found that I could not step in the function getopt_long in line 2572 in > initdb.c. > I also found that the value of VAR optind never be changed. VAR optind is > always equal to 1 but how could optind be larger than the value of argc(the > value of argc is 6) in line 2648 and 2654.
Read the man page for getopt_long. It changes the global variable optind. It's a silly interface, but also a long and hallowed UNIX tradition, so we're stuck with it. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
