mirror of
https://github.com/fish-shell/fish-shell
synced 2024-12-26 12:53:13 +00:00
Use libc implementations of wcslcpy and wcslcat if they exist. Move internal implementations to fallback.c.
darcs-hash:20060419095628-ac50b-0e94e4205306bb99bb9dea72eec43b442520bf1b.gz
This commit is contained in:
axel
parent
6996c7718e
commit
d0956f1e43
5 changed files with 136 additions and 127 deletions
102
common.c
102
common.c
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@ -400,108 +400,6 @@ wchar_t **strv2wcsv( const char **in )
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}
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/*$OpenBSD: strlcat.c,v 1.11 2003/06/17 21:56:24 millert Exp $*/
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/*
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* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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size_t
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wcslcat(wchar_t *dst, const wchar_t *src, size_t siz)
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{
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register wchar_t *d = dst;
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register const wchar_t *s = src;
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register size_t n = siz;
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size_t dlen;
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/* Find the end of dst and adjust bytes left but don't go past end */
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while (n-- != 0 && *d != '\0')
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d++;
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dlen = d - dst;
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n = siz - dlen;
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if (n == 0)
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return(dlen + wcslen(s));
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while (*s != '\0')
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{
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if (n != 1)
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{
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*d++ = *s;
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n--;
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}
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s++;
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}
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*d = '\0';
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return(dlen + (s - src));
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/* count does not include NUL */
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}
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/*$OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $*/
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/*
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* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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size_t
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wcslcpy(wchar_t *dst, const wchar_t *src, size_t siz)
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{
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register wchar_t *d = dst;
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register const wchar_t *s = src;
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register size_t n = siz;
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/* Copy as many bytes as will fit */
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if (n != 0 && --n != 0)
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{
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do
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{
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if ((*d++ = *s++) == 0)
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break;
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}
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while (--n != 0);
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}
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/* Not enough room in dst, add NUL and traverse rest of src */
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if (n == 0)
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{
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if (siz != 0)
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*d = '\0';
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/* NUL-terminate dst */
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while (*s++)
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;
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}
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return(s - src - 1);
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/* count does not include NUL */
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}
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int wcsvarname( wchar_t *str )
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{
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while( *str )
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24
common.h
24
common.h
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@ -134,30 +134,6 @@ wchar_t *wcsdupcat( const wchar_t *a, const wchar_t *b );
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*/
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wchar_t *wcsdupcat2( const wchar_t *a, ... );
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/**
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Appends src to string dst of size siz (unlike wcsncat, siz is the
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full size of dst, not space left). At most siz-1 characters will be
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copied. Always NUL terminates (unless siz <= wcslen(dst)). Returns
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wcslen(src) + MIN(siz, wcslen(initial dst)). If retval >= siz,
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truncation occurred.
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This is the OpenBSD strlcat function, modified for wide characters,
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and renamed to reflect this change.
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*/
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size_t wcslcat( wchar_t *dst, const wchar_t *src, size_t siz );
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/**
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Copy src to string dst of size siz. At most siz-1 characters will
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be copied. Always NUL terminates (unless siz == 0). Returns
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wcslen(src); if retval >= siz, truncation occurred.
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This is the OpenBSD strlcpy function, modified for wide characters,
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and renamed to reflect this change.
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*/
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size_t wcslcpy( wchar_t *dst, const wchar_t *src, size_t siz );
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/**
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Test if the given string is a valid variable name
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*/
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@ -276,7 +276,7 @@ AC_CHECK_HEADER([regex.h],
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# Check for presense of various functions
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AC_CHECK_FUNCS( wcsdup wcsndup wcslen wcscasecmp wcsncasecmp gettext fwprintf )
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AC_CHECK_FUNCS( futimes wcwidth wcswidth getopt_long wcstok fputwc fgetwc )
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AC_CHECK_FUNCS( wcstol dcgettext )
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AC_CHECK_FUNCS( wcstol dcgettext wcslcat wcslcpy )
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# Here follows a list of small programs used to test for various
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# features that Autoconf doesn't tell us about
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106
fallback.c
106
fallback.c
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@ -888,5 +888,111 @@ long wcstol(const wchar_t *nptr,
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}
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}
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#endif
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#ifndef HAVE_WCSLCAT
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/*$OpenBSD: strlcat.c,v 1.11 2003/06/17 21:56:24 millert Exp $*/
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/*
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* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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size_t
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wcslcat(wchar_t *dst, const wchar_t *src, size_t siz)
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{
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register wchar_t *d = dst;
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register const wchar_t *s = src;
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register size_t n = siz;
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size_t dlen;
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/* Find the end of dst and adjust bytes left but don't go past end */
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while (n-- != 0 && *d != '\0')
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d++;
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dlen = d - dst;
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n = siz - dlen;
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if (n == 0)
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return(dlen + wcslen(s));
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while (*s != '\0')
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{
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if (n != 1)
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{
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*d++ = *s;
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n--;
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}
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s++;
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}
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*d = '\0';
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return(dlen + (s - src));
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/* count does not include NUL */
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}
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#endif
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#ifndef HAVE_WCSLCPY
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/*$OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $*/
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/*
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* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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size_t
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wcslcpy(wchar_t *dst, const wchar_t *src, size_t siz)
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{
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register wchar_t *d = dst;
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register const wchar_t *s = src;
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register size_t n = siz;
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/* Copy as many bytes as will fit */
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if (n != 0 && --n != 0)
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{
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do
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{
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if ((*d++ = *s++) == 0)
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break;
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}
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while (--n != 0);
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}
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/* Not enough room in dst, add NUL and traverse rest of src */
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if (n == 0)
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{
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if (siz != 0)
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*d = '\0';
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/* NUL-terminate dst */
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while (*s++)
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;
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}
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return(s - src - 1);
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/* count does not include NUL */
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}
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#endif
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29
fallback.h
29
fallback.h
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@ -231,6 +231,35 @@ long wcstol(const wchar_t *nptr,
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wchar_t **endptr,
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int base);
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#endif
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#ifndef HAVE_WCSLCAT
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/**
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Appends src to string dst of size siz (unlike wcsncat, siz is the
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full size of dst, not space left). At most siz-1 characters will be
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copied. Always NUL terminates (unless siz <= wcslen(dst)). Returns
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wcslen(src) + MIN(siz, wcslen(initial dst)). If retval >= siz,
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truncation occurred.
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This is the OpenBSD strlcat function, modified for wide characters,
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and renamed to reflect this change.
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*/
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size_t wcslcat( wchar_t *dst, const wchar_t *src, size_t siz );
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#endif
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#ifndef HAVE_WCSLCPY
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/**
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Copy src to string dst of size siz. At most siz-1 characters will
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be copied. Always NUL terminates (unless siz == 0). Returns
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wcslen(src); if retval >= siz, truncation occurred.
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This is the OpenBSD strlcpy function, modified for wide characters,
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and renamed to reflect this change.
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*/
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size_t wcslcpy( wchar_t *dst, const wchar_t *src, size_t siz );
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#endif
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#endif
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