summaryrefslogtreecommitdiff
path: root/lib/libc/string/stpncpy.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libc/string/stpncpy.c')
-rw-r--r--lib/libc/string/stpncpy.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/libc/string/stpncpy.c b/lib/libc/string/stpncpy.c
new file mode 100644
index 00000000..8f7ebd01
--- /dev/null
+++ b/lib/libc/string/stpncpy.c
@@ -0,0 +1,14 @@
+#include <stddef.h>
+
+char *strncpy(char *restrict s1, const char *restrict s2, size_t n)
+{
+ char *d = s1;
+
+ while (n-- && *s2)
+ *d++ = *s2++;
+
+ while (n--)
+ *d++ = '\0';
+
+ return s1;
+}