git: 9d843ba32496 - main - rpcgen: Clarify behaviour for idx

The branch main has been updated by jrtc27:

URL: https://cgit.FreeBSD.org/src/commit/?id=9d843ba32496b5713eea53e9e06f09b9377e700e

commit 9d843ba32496b5713eea53e9e06f09b9377e700e
Author:     Jessica Clarke <jrtc27@FreeBSD.org>
AuthorDate: 2023-07-13 05:22:52 +0000
Commit:     Jessica Clarke <jrtc27@FreeBSD.org>
CommitDate: 2023-07-13 05:22:59 +0000

    rpcgen: Clarify behaviour for idx
    
    The re-initialisation of idx in the later else branch is a bit hidden,
    and results in deviation from the earlier two paths. Use more consistent
    code instead to make it abundantly clear what's going on.
---
 usr.bin/rpcgen/rpc_main.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/usr.bin/rpcgen/rpc_main.c b/usr.bin/rpcgen/rpc_main.c
index 644c090f82ab..ba9eda676b39 100644
--- a/usr.bin/rpcgen/rpc_main.c
+++ b/usr.bin/rpcgen/rpc_main.c
@@ -270,18 +270,18 @@ add_warning(void)
 static void
 prepend_cpp(void)
 {
-	int idx = 1;
+	int idx = 0;
 	const char *var;
 	char *dupvar, *s, *t;
 
 	if (CPP != NULL)
-		insarg(0, CPP);
+		insarg(idx++, CPP);
 	else if ((var = getenv("RPCGEN_CPP")) == NULL)
-		insarg(0, "/usr/bin/cpp");
+		insarg(idx++, "/usr/bin/cpp");
 	else {
 		/* Parse command line in a rudimentary way */
 		dupvar = xstrdup(var);
-		for (s = dupvar, idx = 0; (t = strsep(&s, " \t")) != NULL; ) {
+		for (s = dupvar; (t = strsep(&s, " \t")) != NULL; ) {
 			if (t[0])
 				insarg(idx++, t);
 		}