Rename variables for clarity.

src/bin/pg_id/pg_id.c

@@ -6,7 +6,7 @@
  *
  * Copyright (c) 2000-2003, PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/pg_id/Attic/pg_id.c,v 1.22 2003/08/09 01:25:46 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/pg_id/Attic/pg_id.c,v 1.23 2003/09/06 01:41:56 momjian Exp $
  */
 #include "postgres_fe.h"
 
@@ -24,9 +24,9 @@ int
 main(int argc, char *argv[])
 {
 	int			c;
-	int			nameflag = 0,
-				realflag = 0,
-				userflag = 0;
+	int			name_only_flag = 0,
+				use_real_uid_flag = 0,
+				limit_user_info = 0;
 	const char *username = NULL;
 
 	struct passwd *pw;
@@ -38,13 +38,13 @@ main(int argc, char *argv[])
 		switch (c)
 		{
 			case 'n':
-				nameflag = 1;
+				name_only_flag = 1;
 				break;
 			case 'r':
-				realflag = 1;
+				use_real_uid_flag = 1;
 				break;
 			case 'u':
-				userflag = 1;
+				limit_user_info = 1;
 				break;
 			default:
 				fprintf(stderr, "Usage: %s [-n] [-r] [-u] [username]\n", argv[0]);
@@ -55,12 +55,12 @@ main(int argc, char *argv[])
 	if (argc - optind >= 1)
 		username = argv[optind];
 
-	if (nameflag && !userflag)
+	if (name_only_flag && !limit_user_info)
 	{
 		fprintf(stderr, "%s: -n must be used together with -u\n", argv[0]);
 		exit(1);
 	}
-	if (username && realflag)
+	if (username && use_real_uid_flag)
 	{
 		fprintf(stderr, "%s: -r cannot be used when a user name is given\n", argv[0]);
 		exit(1);
@@ -76,7 +76,7 @@ main(int argc, char *argv[])
 			exit(1);
 		}
 	}
-	else if (realflag)
+	else if (use_real_uid_flag)
 		pw = getpwuid(getuid());
 	else
 		pw = getpwuid(geteuid());
@@ -87,9 +87,9 @@ main(int argc, char *argv[])
 		exit(1);
 	}
 
-	if (!userflag)
+	if (!limit_user_info)
 		printf("uid=%d(%s)\n", (int) pw->pw_uid, pw->pw_name);
-	else if (nameflag)
+	else if (name_only_flag)
 		puts(pw->pw_name);
 	else
 #ifdef __BEOS__