Merge pull request #505 from pa3fwm/fix-strcpy-return-value

Fix return value of strcpy() and strncpy(): they should return a poin…
cnlohr · Feb 2, 2025 · 1e097b8 · 1e097b8
2 parents ec727ff + bcbe979
commit 1e097b8
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/ch32v003fun/ch32v003fun.c b/ch32v003fun/ch32v003fun.c
@@ -223,13 +223,15 @@ WEAK size_t strnlen(const char *s, size_t n) { const char *p = memchr(s, 0, n);
 WEAK void *memset(void *dest, int c, size_t n) { unsigned char *s = dest; for (; n; n--, s++) *s = c; return dest; }
 WEAK char *strcpy(char *d, const char *s)
 {
+	char *d0=d;
 	for (; (*d=*s); s++, d++);
-	return d;
+	return d0;
 }
 WEAK char *strncpy(char *d, const char *s, size_t n)
 {
+	char *d0=d;
 	for (; n && (*d=*s); n--, s++, d++);
-	return d;
+	return d0;
 }
 WEAK int strcmp(const char *l, const char *r)
 {