refactor, improve exception message

1 files changed, 11 insertions, 0 deletions

diff --git a/src/lib.c b/src/lib.c
index 1f57f83..d01252d 100644
--- a/src/lib.c
+++ b/src/lib.c
@@ -54,6 +54,17 @@ char *strncpy(char *restrict dest, const char *restrict src, unsigned long n) {
 	return dest;
 }
 
+size_t strlen(const char *str) {
+    const char *p;
+    for(p = str; *p != 0; p++) {}
+    return p - str;
+}
+
+char *strcat(char *restrict dst, const char *restrict src) {
+    strcpy(dst + strlen(dst), src);
+    return dst;
+}
+
 int isspace(int c) {
     switch (c) {
         case ' ':