mindex.c

commit 5c2f6d9e30e38114a908603d67861c225e2a036f
parent 3289dd60168e8fea7eae2f9543391920481424ed
Author: Yersa Nordman <yersa@finwo.nl>
Date:   Sat,  7 Oct 2023 20:21:56 +0200

Minor speed improvement in the benchmark random_str method

Diffstat:
M
benchmark.c
 | 
12
++++--------

1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/benchmark.c b/benchmark.c
@@ -21,16 +21,12 @@ static int fn_compare_string(const void *a, const void *b, void *udata) {
   return strcmp(sa, sb);
 }
 
-char random_char() {
-  char *alphabet = "0123456789abcdef";
-  int   length   = strlen(alphabet);
-  return alphabet[rand() % length];
-}
-
+const char *alphabet = "0123456789abcdef";
+int        alen      = sizeof(alphabet);
 char *random_str(int length) {
-  char *str = malloc(length + 1);
+  char       *str      = malloc(length + 1);
   for(int i=0; i<length; i++) {
-    str[i] = random_char();
+    str[i] = alphabet[rand() % alen];
   }
   str[length] = '\0';
   return str;