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Introduce minimal C99 usage to verify compiler support.

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This just converts a few for loops in postgres.c to declare variables
in the loop initializer, and uses designated initializers in smgr.c's
definition of smgr callbacks.

Author: Andres Freund
Discussion: https://postgr.es/m/97d4b165-192d-3605-749c-f614a0c4e783@2ndquadrant.com
This commit is contained in:
Andres Freund
2018-08-23 18:36:07 -07:00
parent d9dd406fe2
commit 143290efd0
2 changed files with 25 additions and 21 deletions
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21
src/backend/storage/smgr/smgr.c
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@@ -67,9 +67,24 @@ typedef struct f_smgr
static const f_smgr smgrsw[] = {
/* magnetic disk */
{mdinit, NULL, mdclose, mdcreate, mdexists, mdunlink, mdextend,
mdprefetch, mdread, mdwrite, mdwriteback, mdnblocks, mdtruncate,
mdimmedsync, mdpreckpt, mdsync, mdpostckpt
{
.smgr_init = mdinit,
.smgr_shutdown = NULL,
.smgr_close = mdclose,
.smgr_create = mdcreate,
.smgr_exists = mdexists,
.smgr_unlink = mdunlink,
.smgr_extend = mdextend,
.smgr_prefetch = mdprefetch,
.smgr_read = mdread,
.smgr_write = mdwrite,
.smgr_writeback = mdwriteback,
.smgr_nblocks = mdnblocks,
.smgr_truncate = mdtruncate,
.smgr_immedsync = mdimmedsync,
.smgr_pre_ckpt = mdpreckpt,
.smgr_sync = mdsync,
.smgr_post_ckpt = mdpostckpt
}
};