diff options
author | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
---|---|---|
committer | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
commit | 2de9abc5c9d40b3c716307d67d16146f823fd554 (patch) | |
tree | 6979db67934ddc8b564150b465846a383b428ff8 /gnulib/lib/stpncpy.c | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-baserock/bootstrap.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/lib/stpncpy.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/stpncpy.c | 92 |
2 files changed, 92 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/stpncpy.c b/gnulib/lib/stpncpy.c new file mode 100644 index 0000000..8cd49cc --- /dev/null +++ b/gnulib/lib/stpncpy.c @@ -0,0 +1,92 @@ +/* Copyright (C) 1993, 1995-1997, 2002-2003, 2005-2007, 2009-2011 Free Software + * Foundation, Inc. + + NOTE: The canonical source of this file is maintained with the GNU C Library. + Bugs can be reported to bug-glibc@gnu.org. + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 3 of the License, or any + later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* This is almost copied from strncpy.c, written by Torbjorn Granlund. */ + +#include <config.h> + +/* Specification. */ +#include <string.h> + +#ifndef weak_alias +# define __stpncpy stpncpy +#endif + +/* Copy no more than N bytes of SRC to DST, returning a pointer past the + last non-NUL byte written into DST. */ +char * +__stpncpy (char *dest, const char *src, size_t n) +{ + char c; + char *s = dest; + + if (n >= 4) + { + size_t n4 = n >> 2; + + for (;;) + { + c = *src++; + *dest++ = c; + if (c == '\0') + break; + c = *src++; + *dest++ = c; + if (c == '\0') + break; + c = *src++; + *dest++ = c; + if (c == '\0') + break; + c = *src++; + *dest++ = c; + if (c == '\0') + break; + if (--n4 == 0) + goto last_chars; + } + n -= dest - s; + goto zero_fill; + } + + last_chars: + n &= 3; + if (n == 0) + return dest; + + for (;;) + { + c = *src++; + --n; + *dest++ = c; + if (c == '\0') + break; + if (n == 0) + return dest; + } + + zero_fill: + while (n-- > 0) + dest[n] = '\0'; + + return dest - 1; +} +#ifdef weak_alias +weak_alias (__stpncpy, stpncpy) +#endif |