pg_dump: Fix weird error message composition

The previous way could make it look like "stdin" was the actual input
file name.  Write it as two separate messages instead.

diff --git a/src/bin/pg_dump/filter.c b/src/bin/pg_dump/filter.c
index 3fb93c5f155f1d39aaeadf403a90dc12475101ed..5815cd237483f5968663e9db0bc25ae867db6060 100644 (file)
--- a/src/bin/pg_dump/filter.c
+++ b/src/bin/pg_dump/filter.c
@@ -161,10 +161,12 @@ pg_log_filter_error(FilterStateData *fstate, const char *fmt,...)
        vsnprintf(buf, sizeof(buf), fmt, argp);
        va_end(argp);
 
-       pg_log_error("invalid format in filter read from \"%s\" on line %d: %s",
-                                (fstate->fp == stdin ? "stdin" : fstate->filename),
-                                fstate->lineno,
-                                buf);
+       if (fstate->fp == stdin)
+               pg_log_error("invalid format in filter read from standard input on line %d: %s",
+                                        fstate->lineno, buf);
+       else
+               pg_log_error("invalid format in filter read from file \"%s\" on line %d: %s",
+                                        fstate->filename, fstate->lineno, buf);
 }
 
 /*