Bell 32V development

Work on file usr/src/libc/gen/strncpy.c

Co-Authored-By: John Reiser <jfr@research.uucp>
Synthesized-from: 32v

diff --git a/usr/src/libc/gen/strncpy.c b/usr/src/libc/gen/strncpy.c
new file mode 100644 (file)
index 0000000..40c511e
--- /dev/null
+++ b/usr/src/libc/gen/strncpy.c
@@ -0,0 +1,21 @@
+/*
+ * Copy s2 to s1, truncating or null-padding to always copy n bytes
+ * return s1
+ */
+
+char *
+strncpy(s1, s2, n)
+register char *s1, *s2;
+{
+       register i;
+       register char *os1;
+
+       os1 = s1;
+       for (i = 0; i < n; i++)
+               if ((*s1++ = *s2++) == '\0') {
+                       while (++i < n)
+                               *s1++ = '\0';
+                       return(os1);
+               }
+       return(os1);
+}