palloc smp safe (testing required, NOT pfree)

1 files changed, 8 insertions, 0 deletions

diff --git a/src/kernel/libc.c b/src/kernel/libc.c
index 4278281..f46c59f 100644
--- a/src/kernel/libc.c
+++ b/src/kernel/libc.c
@@ -1,5 +1,6 @@
 #include <stddef.h>
 #include <stdint.h>
+#include <stdbool.h>
 // TODO clean up variable names
 int strncmp(const char *s1, const char *s2, unsigned int n) {
   int i;
@@ -18,6 +19,13 @@ size_t strlen(const char *s) {
   return(len);
 }
 
+bool is_empty(const char *s, size_t size) {
+  for(size_t i = 0; i < size; i++) {
+    if(s[i]) return false;
+  }
+  return true;
+}
+
 int strcmp(const char *s1, const char *s2) {
   int i;
   for(i = 0; ((s1[i] != '\0') && (s2[i] != '\0')); i++) {