bc: avoid bc_vec_item() calls in bc_vm_run()

function                                             old     new   delta
bc_vm_run                                            124     112     -12

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

1 files changed, 11 insertions, 7 deletions

diff --git a/miscutils/bc.c b/miscutils/bc.c
index 01442c33b..c1601a3e4 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -6926,6 +6926,7 @@ static const char bc_lib[] ALIGN1 = {
 
 static BC_STATUS zbc_vm_exec(void)
 {
+        char **fname;
         BcStatus s;
         size_t i;
 
@@ -6941,13 +6942,16 @@ static BC_STATUS zbc_vm_exec(void)
 #endif
 
         s = BC_STATUS_SUCCESS;
-        for (i = 0; !s && i < G.files.len; ++i)
-                s = zbc_vm_file(*((char **) bc_vec_item(&G.files, i)));
-        if (ENABLE_FEATURE_CLEAN_UP && s && !G_ttyin) {
-                // Debug config, non-interactive mode:
-                // return all the way back to main.
-                // Non-debug builds do not come here, they exit.
-                RETURN_STATUS(s);
+        fname = (void*)G.files.v;
+        for (i = 0; i < G.files.len; i++) {
+                s = zbc_vm_file(*fname++);
+                if (ENABLE_FEATURE_CLEAN_UP && !G_ttyin && s) {
+                        // Debug config, non-interactive mode:
+                        // return all the way back to main.
+                        // Non-debug builds do not come here
+                        // in non-interactive mode, they exit.
+                        RETURN_STATUS(s);
+                }
         }
 
         if (IS_BC || (option_mask32 & BC_FLAG_I))