net util

1 files changed, 11 insertions, 0 deletions

diff --git a/src/util.c b/src/util.c
index eacb196..79a3cee 100644
--- a/src/util.c
+++ b/src/util.c
@@ -50,6 +50,17 @@ int gen_parse(char* inp, int len, parray_t** _table){
   return 1;

 }

 

+int tolower(int i){

+  if('A' <= i && i <= 'Z') i += 32;

+  return i;

+}

+

+void str_lowercase(str* str){

+  for(size_t i = 0; i != str->len; i++){

+    str->c[i] = tolower(str->c[i]);

+  }

+}

+

 char* strnstr(const char *s1, const char *s2, size_t n) {

   // simplistic algorithm with O(n2) worst case, stolen from stack overflow

   size_t i, len;