[src/trunk]: src/usr.bin/indent indent: initialize variables in main_loop in ...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c19c0e18a888
branches:  trunk
changeset: 1024460:c19c0e18a888
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Oct 24 19:33:26 2021 +0000

description:
indent: initialize variables in main_loop in declaration

No functional change.

diffstat:

 usr.bin/indent/indent.c |  27 +++++++++++----------------
 1 files changed, 11 insertions(+), 16 deletions(-)

diffs (63 lines):

diff -r 2a337e23ff66 -r c19c0e18a888 usr.bin/indent/indent.c
--- a/usr.bin/indent/indent.c   Sun Oct 24 19:24:22 2021 +0000
+++ b/usr.bin/indent/indent.c   Sun Oct 24 19:33:26 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: indent.c,v 1.149 2021/10/24 19:14:33 rillig Exp $      */
+/*     $NetBSD: indent.c,v 1.150 2021/10/24 19:33:26 rillig Exp $      */
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -43,7 +43,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__NetBSD__)
-__RCSID("$NetBSD: indent.c,v 1.149 2021/10/24 19:14:33 rillig Exp $");
+__RCSID("$NetBSD: indent.c,v 1.150 2021/10/24 19:33:26 rillig Exp $");
 #elif defined(__FreeBSD__)
 __FBSDID("$FreeBSD: head/usr.bin/indent/indent.c 340138 2018-11-04 19:24:49Z oshogbo $");
 #endif
@@ -1328,35 +1328,30 @@
 static void __attribute__((__noreturn__))
 main_loop(void)
 {
-    token_type ttype;
-    bool force_nl;             /* when true, code must be broken */
+    bool force_nl = false;     /* when true, code must be broken */
     bool last_else = false;    /* true iff last keyword was an else */
-    int decl_ind;              /* current indentation for declarations */
+    int decl_ind = 0;          /* current indentation for declarations */
     int di_stack[20];          /* a stack of structure indentation levels */
-    bool tabs_to_var;          /* true if using tabs to indent to var name */
-    bool sp_sw;                        /* when true, we are in the expression of
+    bool tabs_to_var = false;  /* true if using tabs to indent to var name */
+    bool sp_sw = false;                /* when true, we are in the expression of
                                 * if(...), while(...), etc. */
     token_type hd_type = end_of_file;  /* the type of statement for if (...),
                                 * for (...), etc */
-    int seen_quest;            /* when this is positive, we have seen a '?'
+    int seen_quest = 0;                /* when this is positive, we have seen a '?'
                                 * without the matching ':' in a <c>?<s>:<s>
                                 * construct */
-    bool seen_case;            /* set to true when we see a 'case', so we
+    bool seen_case = false;    /* set to true when we see a 'case', so we
                                 * know what to do with the following colon */
 
-    sp_sw = force_nl = false;
-    decl_ind = 0;
     di_stack[ps.decl_nest = 0] = 0;
-    seen_case = false;
-    seen_quest = 0;
-    tabs_to_var = false;
 
     for (;;) {                 /* this is the main loop.  it will go until we
                                 * reach eof */
        bool comment_buffered = false;
 
-       ttype = lexi(&ps);      /* Read the next token.  The actual characters
-                                * read are stored in "token". */
+       token_type ttype = lexi(&ps);   /* Read the next token.  The actual
+                                        * characters read are stored in
+                                        * "token". */
 
        /*
         * Move newlines and comments following an if (), while (), else, etc.