diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/utils/error/elog.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/backend/utils/error/elog.c b/src/backend/utils/error/elog.c index e710f227812..1db62eb1b0b 100644 --- a/src/backend/utils/error/elog.c +++ b/src/backend/utils/error/elog.c @@ -1156,12 +1156,13 @@ getinternalerrposition(void) * elog_start --- startup for old-style API * * All that we do here is stash the hidden filename/lineno/funcname - * arguments into a stack entry. + * arguments into a stack entry, along with the current value of errno. * * We need this to be separate from elog_finish because there's no other - * portable way to deal with inserting extra arguments into the elog call. - * (If macros with variable numbers of arguments were portable, it'd be - * easy, but they aren't.) + * C89-compliant way to deal with inserting extra arguments into the elog + * call. (When using C99's __VA_ARGS__, we could possibly merge this with + * elog_finish, but there doesn't seem to be a good way to save errno before + * evaluating the format arguments if we do that.) */ void elog_start(const char *filename, int lineno, const char *funcname) |