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Diffstat (limited to 'lib/sh/vprint.c')
-rw-r--r-- | lib/sh/vprint.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/lib/sh/vprint.c b/lib/sh/vprint.c new file mode 100644 index 0000000..567fba3 --- /dev/null +++ b/lib/sh/vprint.c @@ -0,0 +1,85 @@ +/* vprint.c -- v[fs]printf() for 4.[23] BSD systems. */ + +/* Copyright (C) 1987,1989 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash 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 + (at your option) any later version. + + Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <config.h> + +#if defined (USE_VFPRINTF_EMULATION) + +#include <stdio.h> + +#if !defined (NULL) +# if defined (__STDC__) +# define NULL ((void *)0) +# else +# define NULL 0x0 +# endif /* __STDC__ */ +#endif /* !NULL */ + +/* + * Beware! Don't trust the value returned by either of these functions; it + * seems that pre-4.3-tahoe implementations of _doprnt () return the first + * argument, i.e. a char *. + */ +#include <varargs.h> + +int +vfprintf (iop, fmt, ap) + FILE *iop; + char *fmt; + va_list ap; +{ + int len; + char localbuf[BUFSIZ]; + + if (iop->_flag & _IONBF) + { + iop->_flag &= ~_IONBF; + iop->_ptr = iop->_base = localbuf; + len = _doprnt (fmt, ap, iop); + (void) fflush (iop); + iop->_flag |= _IONBF; + iop->_base = NULL; + iop->_bufsiz = 0; + iop->_cnt = 0; + } + else + len = _doprnt (fmt, ap, iop); + return (ferror (iop) ? EOF : len); +} + +/* + * Ditto for vsprintf + */ +int +vsprintf (str, fmt, ap) + char *str, *fmt; + va_list ap; +{ + FILE f; + int len; + + f._flag = _IOWRT|_IOSTRG; + f._ptr = str; + f._cnt = 32767; + len = _doprnt (fmt, ap, &f); + *f._ptr = 0; + return (len); +} +#endif /* USE_VFPRINTF_EMULATION */ |