lib/libc/string0: Add strncpy() implementation.

2026-01-04 19:20:22 +01:00 · 2016-05-02 18:38:19 +03:00
parent 5302c3e8c4
commit bd9de5ec90
1 changed files with 9 additions and 0 deletions
--- a/lib/libc/string0.c
+++ b/lib/libc/string0.c
@@ -169,6 +169,15 @@ char *strcpy(char *dest, const char *src) {
    return dest;
 }

+char *strncpy(char *dest, const char *src, size_t dest_sz) {
+    char *d = dest;
+    while (*src && --dest_sz) {
+        *d++ = *src++;
+    }
+    *d = '\0';
+    return dest;
+}
+
 // needed because gcc optimises strcpy + strcat to this
 char *stpcpy(char *dest, const char *src) {
    while (*src) {