b5b499b8c8
Move to folder with tcc. Part 1 git-svn-id: svn://kolibrios.org@8793 a494cfbc-eb01-0410-851d-a64ba20cac60
29 lines
684 B
C
29 lines
684 B
C
/* strncpy( char *, const char *, size_t )
|
|
|
|
This file is part of the Public Domain C Library (PDCLib).
|
|
Permission is granted to use, modify, and / or redistribute at will.
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
char * strncpy( char * s1, const char * s2, size_t n )
|
|
{
|
|
char * rc = s1;
|
|
|
|
while ( n && ( *s1++ = *s2++ ) )
|
|
{
|
|
/* Cannot do "n--" in the conditional as size_t is unsigned and we have
|
|
to check it again for >0 in the next loop below, so we must not risk
|
|
underflow.
|
|
*/
|
|
--n;
|
|
}
|
|
|
|
/* Checking against 1 as we missed the last --n in the loop above. */
|
|
while ( n-- > 1 )
|
|
{
|
|
*s1++ = '\0';
|
|
}
|
|
|
|
return rc;
|
|
} |