awk: rewrite "print" logic a bit to make it clearer

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 5 deletions

diff --git a/editors/awk.c b/editors/awk.c
index c05d5d651..0fbca0433 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -2792,7 +2792,7 @@ static var *evaluate(node *op, var *res)
                                 if (!op1) {
                                         fputs(getvar_s(intvar[F0]), F);
                                 } else {
-                                        while (op1) {
+                                        for (;;) {
                                                 var *v = evaluate(nextarg(&op1), v1);
                                                 if (v->type & VF_NUMBER) {
                                                         fmt_num(g_buf, MAXVARFMT, getvar_s(intvar[OFMT]),
@@ -2801,13 +2801,12 @@ static var *evaluate(node *op, var *res)
                                                 } else {
                                                         fputs(getvar_s(v), F);
                                                 }
-
-                                                if (op1)
-                                                        fputs(getvar_s(intvar[OFS]), F);
+                                                if (!op1)
+                                                        break;
+                                                fputs(getvar_s(intvar[OFS]), F);
                                         }
                                 }
                                 fputs(getvar_s(intvar[ORS]), F);
-
                         } else {        /* OC_PRINTF */
                                 char *s = awk_printf(op1, &len);
 #if ENABLE_FEATURE_AWK_GNU_EXTENSIONS