From 6ddde92a3a45e970b05770633dc6a337d5d013c5 Mon Sep 17 00:00:00 2001 From: Tor Andersson Date: Mon, 27 Sep 2004 02:15:04 +0200 Subject: Initial import --- util/strlcpy.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 util/strlcpy.c (limited to 'util/strlcpy.c') diff --git a/util/strlcpy.c b/util/strlcpy.c new file mode 100644 index 00000000..73416ae1 --- /dev/null +++ b/util/strlcpy.c @@ -0,0 +1,32 @@ +/* Copy src to string dst of size siz. At most siz-1 characters + * will be copied. Always NUL terminates (unless siz == 0). + * Returns strlen(src); if retval >= siz, truncation occurred. + */ + +#include + +int strlcpy(char *dst, const char *src, int siz) +{ + register char *d = dst; + register const char *s = src; + register int n = siz; + + /* Copy as many bytes as will fit */ + if (n != 0 && --n != 0) { + do { + if ((*d++ = *s++) == 0) + break; + } while (--n != 0); + } + + /* Not enough room in dst, add NUL and traverse rest of src */ + if (n == 0) { + if (siz != 0) + *d = '\0'; /* NUL-terminate dst */ + while (*s++) + ; + } + + return(s - src - 1); /* count does not include NUL */ +} + -- cgit v1.2.3