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libpq: change PQconndefaults() to ignore invalid service files

Previously missing or invalid service files returned NULL.  Also fix
pg_upgrade to report "out of memory" for a null return from
PQconndefaults().

Patch by Steve Singer, rewritten by me
This commit is contained in:
Bruce Momjian
2013-12-03 11:11:56 -05:00
parent 95e3d50539
commit 9e0a97f1c8
5 changed files with 23 additions and 14 deletions

View File

@ -325,6 +325,9 @@ check_pghost_envvar(void)
start = PQconndefaults();
if (!start)
pg_fatal("out of memory\n");
for (option = start; option->keyword != NULL; option++)
{
if (option->envvar && (strcmp(option->envvar, "PGHOST") == 0 ||