summaryrefslogtreecommitdiff
path: root/lib/libc/string/strncat.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libc/string/strncat.c')
-rw-r--r--lib/libc/string/strncat.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/libc/string/strncat.c b/lib/libc/string/strncat.c
new file mode 100644
index 00000000..ce0d8e24
--- /dev/null
+++ b/lib/libc/string/strncat.c
@@ -0,0 +1,19 @@
+#include <string.h>
+
+char *strncat(char *restrict s1, const char *restrict s2, size_t n)
+{
+ char *dest = s1;
+ const char *src = s2;
+
+ while (*dest != '\0')
+ dest++;
+
+ while (*src != '\0' && n > 0) {
+ *dest++ = *src++;
+ n--;
+ }
+
+ *dest = '\0';
+
+ return s1;
+}