mirror/glibc
2
0
Fork 0
mirror of git://sourceware.org/git/glibc.git synced 2025-04-06 14:10:30 +08:00
Code Issues Packages Projects Releases Wiki Activity

(__ptsname_r): Use sizeof where appropriate instead of numbers. Little optimizations.

Browse Source
This commit is contained in:
Ulrich Drepper 2001-12-11 22:08:19 +00:00
parent a4969614ea
commit 814fc245e5
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
sysdeps/unix/sysv/linux/ptsname.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1998, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
@ -96,19 +96,19 @@ __ptsname_r (int fd, char *buf, size_t buflen)
`int' of 8 bytes we never need more than 20 digits. */
char numbuf[21];
const char *devpts = _PATH_DEVPTS;
const size_t devptslen = strlen (devpts);
const size_t devptslen = strlen (_PATH_DEVPTS);
char *p;
numbuf[20] = '\0';
p = _itoa_word (ptyno, &numbuf[20], 10, 0);
numbuf[sizeof (numbuf) - 1] = '\0';
p = _itoa_word (ptyno, &numbuf[sizeof (numbuf) - 1], 10, 0);
if (buflen < devptslen + strlen (p) + 1)
if (buflen < devptslen + &numbuf[sizeof (numbuf)] - p)
{
__set_errno (ERANGE);
return ERANGE;
}
__stpcpy (__stpcpy (buf, devpts), p);
memcpy (__stpcpy (buf, devpts), p, &numbuf[sizeof (numbuf)] - p);
}
else if (errno == EINVAL)
#endif