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Nowadays, all platforms except Windows and older HP-UX have standard
dlopen() support. So having a separate implementation per platform
under src/backend/port/dynloader/ is a bit excessive. Instead, treat
dlopen() like other library functions that happen to be missing
sometimes and put a replacement implementation under src/port/.
Discussion: https://www.postgresql.org/message-id/flat/e11a49cb-570a-60b7-707d-7084c8de0e61%402ndquadrant.com#54e735ae37476a121abb4e33c2549b03
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using the system functions all the time. (These files are now just copies
of the osf.* files.) The homebrew functions were not getting used anyway
on AIX versions that have dlopen(), that is 4.3 and up, so they are not
needed on any AIX that is even remotely supported by the vendor anymore.
We'd have probably left them here anyway, except some questions were
raised about the copyright.
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This particular batch was just for *.c and *.h file.
The changes were made with the following 2 commands:
find . \( \( -name 'libstemmer' -o -name 'expected' -o -name 'ppport.h' \) -prune \) -o \( -name '*.[ch]' \) \( -exec grep -q '\$PostgreSQL' {} \; -o -print \) | while read file ; do head -n 1 < $file | grep -q '^/\*' && echo $file; done | xargs -l sed -i -e '1s/^\// /' -e '1i/*\n * $PostgreSQL:$ \n *'
find . \( \( -name 'libstemmer' -o -name 'expected' -o -name 'ppport.h' \) -prune \) -o \( -name '*.[ch]' \) \( -exec grep -q '\$PostgreSQL' {} \; -o -print \) | xargs -l sed -i -e '1i/*\n * $PostgreSQL:$ \n */'
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Standard English uses "may", "can", and "might" in different ways:
may - permission, "You may borrow my rake."
can - ability, "I can lift that log."
might - possibility, "It might rain today."
Unfortunately, in conversational English, their use is often mixed, as
in, "You may use this variable to do X", when in fact, "can" is a better
choice. Similarly, "It may crash" is better stated, "It might crash".
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have no other gods before c.h'. Also remove some demonstrably redundant
#include lines, mostly of <errno.h> which was added to c.h years ago.
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postgres.h or c.h includes a system header (such as stdio.h or
stdlib.h), there's no need to specifically include it in any of the .c
files in the backend.
Neil Conway
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because c.h has sys/types.h.
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initdb/regression tests pass.
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spacing. Also adds space for one-line comments.
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tests pass.
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and the fmgr redesign.
It makes the homebrewn dl*() functions for more recent Versions of AIX
obsolete
by using the system dl*() functions instead.
It also fixes the expected file for the horology regression test.
Please regenerate configure from configure.in, I don't have the
environment/time.
Andreas
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Does not work since it fetches one byte beyond the source data, and when
the phase of the moon is wrong, the source data is smack up against the
end of backend memory and you get SIGSEGV. Don't laugh, this is a fix
for an actual user bug report.
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to ensure that config.h is included as well.
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will then get link'd into SUBSYS.o
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