Re: compiler warnings on the buildfarm - Mailing list pgsql-hackers

Tom Lane wrote:
> Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
>> ok I did that for a few members (removing all the statement not reached
>> ones as well as some purely informal notices and all the flex related
>> warnings) and came up with something similiar to:
>> [snip]
> 
> Yeah, this looks like a good list.  I can't readily check the ones from
> "eel" as they appear to be in Windows-specific code; anyone else want to
> fix those?
> 
>> animal: jackal              warnings: 2
>> postmaster.c: In function 'PostmasterMain':
>> postmaster.c:796: warning: 'DNSServiceRegistrationCreate' is deprecated
>> (declared at /usr/include/DNSServiceDiscovery/DNSServiceDiscovery.h:114)
> 
> This one we knew about; there's been previous discussion of rewriting
> the Bonjour support to use a more portable API, but I don't think anyone
> feels like doing it right now.
> 
> I'll take a look at the rest.

some more(I have removed duplicates and ones that should be fixed by
your latest commits though):

animal: salamander          warnings: 27
cash.c: In function `cash_in':
cash.c:244: warning: subscript has type `char'
pg_lzcompress.c: In function `pglz_compress':
pg_lzcompress.c:378: warning: inlining failed in call to `pglz_find_match'
pg_lzcompress.c:578: warning: called from here


animal: canary              warnings: 14
plpython.c: In function `PLyMapping_ToTuple':
plpython.c:1717: warning: variable `i' might be clobbered by `longjmp'
or `vfork'
plpython.c:1732: warning: variable `value' might be clobbered by
`longjmp' or `vfork'
plpython.c:1733: warning: variable `so' might be clobbered by `longjmp'
or `vfork'
plpython.c: In function `PLySequence_ToTuple':
plpython.c:1797: warning: variable `i' might be clobbered by `longjmp'
or `vfork'
plpython.c:1821: warning: variable `value' might be clobbered by
`longjmp' or `vfork'
plpython.c:1822: warning: variable `so' might be clobbered by `longjmp'
or `vfork'
plpython.c: In function `PLyObject_ToTuple':
plpython.c:1879: warning: variable `i' might be clobbered by `longjmp'
or `vfork'
plpython.c:1892: warning: variable `value' might be clobbered by
`longjmp' or `vfork'
plpython.c:1893: warning: variable `so' might be clobbered by `longjmp'
or `vfork'
plpython.c: In function `PLy_spi_execute_plan':
plpython.c:2434: warning: variable `i' might be clobbered by `longjmp'
or `vfork'

animal: dragonfly           warnings: 67
auth.c:61: warning: initialization from incompatible pointer type
cash.c: In function `cash_in':
cash.c:244: warning: subscript has type `char'
connect.c:23: warning: missing braces around initializer
connect.c:23: warning: (near initialization for
`actual_connection_key_once.__pthread_once_pad')
misc.c:67: warning: missing braces around initializer
misc.c:67: warning: (near initialization for
`sqlca_key_once.__pthread_once_pad')


animal: emperor_moth        warnings: 10
auth.c:61: warning: initialization from incompatible pointer type


animal: osprey              warnings: 22
s_lock.c:222: warning: `tas_dummy' defined but not used
pg_lzcompress.c: In function `pglz_compress':
pg_lzcompress.c:378: warning: inlining failed in call to `pglz_find_match'
pg_lzcompress.c:578: warning: called from here
fmgr.c: In function `fmgr_oldstyle':
fmgr.c:629: warning: assignment makes pointer from integer without a cast
fmgr.c:638: warning: assignment makes pointer from integer without a cast
fmgr.c:641: warning: assignment makes pointer from integer without a cast
fmgr.c:645: warning: assignment makes pointer from integer without a cast
fmgr.c:649: warning: assignment makes pointer from integer without a cast
fmgr.c:654: warning: assignment makes pointer from integer without a cast
fmgr.c:659: warning: assignment makes pointer from integer without a cast
fmgr.c:665: warning: assignment makes pointer from integer without a cast
fmgr.c:671: warning: assignment makes pointer from integer without a cast
fmgr.c:678: warning: assignment makes pointer from integer without a cast
fmgr.c:685: warning: assignment makes pointer from integer without a cast
fmgr.c:693: warning: assignment makes pointer from integer without a cast
fmgr.c:701: warning: assignment makes pointer from integer without a cast
fmgr.c:710: warning: assignment makes pointer from integer without a cast
fmgr.c:719: warning: assignment makes pointer from integer without a cast
fmgr.c:729: warning: assignment makes pointer from integer without a cast
fmgr.c:739: warning: assignment makes pointer from integer without a cast

animal: lionfish            warnings: 16
/tmp/cclwN8N9.s: Assembler messages:
/tmp/cclwN8N9.s:109082: Warning: Macro instruction expanded into
multiple instructions
/tmp/cclwN8N9.s:109246: Warning: Macro instruction expanded into
multiple instructions
pg_lzcompress.c: In function `pglz_compress':
pg_lzcompress.c:378: warning: inlining failed in call to `pglz_find_match'
pg_lzcompress.c:578: warning: called from here
/tmp/ccnsL6Et.s: Assembler messages:
/tmp/ccnsL6Et.s:160502: Warning: Macro instruction expanded into
multiple instructions
/tmp/ccnsL6Et.s:160661: Warning: Macro instruction expanded into
multiple instructions
/tmp/ccnsL6Et.s:160702: Warning: Macro instruction expanded into
multiple instructions
/tmp/ccnsL6Et.s:160805: Warning: Macro instruction expanded into
multiple instructions
/tmp/ccnsL6Et.s:190739: Warning: Macro instruction expanded into
multiple instructions
/tmp/ccnsL6Et.s:192442: Warning: Macro instruction expanded into
multiple instructions
scan.l:180: warning, the character range [<80>-<FF>] is ambiguous in a
case-insensitive scanner
scan.l:180: warning, the character range [<80>-<FF>] is ambiguous in a
case-insensitive scanner
scan.l:302: warning, the character range [<80>-<FF>] is ambiguous in a
case-insensitive scanner