Add comment for getpwid() safety.

diff --git a/src/backend/main/main.c b/src/backend/main/main.c
index 630948ec0d70acb931f3ccddeb5fb725d1760d06..5942a1f25191d36ceb29969aaaf3ad4b66e3ff89 100644 (file)
--- a/src/backend/main/main.c
+++ b/src/backend/main/main.c
@@ -13,7 +13,7 @@
  *
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/main/main.c,v 1.38 2001/01/24 03:50:06 momjian Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/main/main.c,v 1.39 2001/01/24 05:24:43 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -159,6 +159,7 @@ main(int argc, char *argv[])
                fprintf(stderr, "%s: invalid current euid", argv[0]);
                exit(1);
        }
+       /* Allocate new memory because later getpwuid() calls can overwrite it */
        pw_name_persist = strdup(pw->pw_name);
 
        exit(PostgresMain(argc, argv, argc, argv, pw_name_persist));