diff options
Diffstat (limited to 'contrib/libio/iogetdelim.c')
-rw-r--r-- | contrib/libio/iogetdelim.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/contrib/libio/iogetdelim.c b/contrib/libio/iogetdelim.c deleted file mode 100644 index 50918b3e8dcc..000000000000 --- a/contrib/libio/iogetdelim.c +++ /dev/null @@ -1,125 +0,0 @@ -/* Copyright (C) 1994, 1996, 1997 Free Software Foundation, Inc. - This file is part of the GNU IO Library. - - This library 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 2, or (at - your option) any later version. - - This library 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 library; see the file COPYING. If not, write to - the Free Software Foundation, 59 Temple Place - Suite 330, Boston, - MA 02111-1307, USA. - - As a special exception, if you link this library with files - compiled with a GNU compiler to produce an executable, this does - not cause the resulting executable to be covered by the GNU General - Public License. This exception does not however invalidate any - other reasons why the executable file might be covered by the GNU - General Public License. */ - -#ifdef __STDC__ -#include <stdlib.h> -#endif -#include "libioP.h" -#include <string.h> -#include <errno.h> - -/* Read up to (and including) a TERMINATOR from FP into *LINEPTR - (and null-terminate it). *LINEPTR is a pointer returned from malloc (or - NULL), pointing to *N characters of space. It is realloc'ed as - necessary. Returns the number of characters read (not including the - null terminator), or -1 on error or EOF. */ - -_IO_ssize_t -_IO_getdelim (lineptr, n, delimiter, fp) - char **lineptr; - _IO_size_t *n; - int delimiter; - _IO_FILE *fp; -{ - int result; - _IO_ssize_t cur_len = 0; - _IO_ssize_t len; - - if (lineptr == NULL || n == NULL) - { - MAYBE_SET_EINVAL; - return -1; - } - CHECK_FILE (fp, -1); - _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); - _IO_flockfile (fp); - if (_IO_ferror_unlocked (fp)) - { - result = -1; - goto unlock_return; - } - - if (*lineptr == NULL || *n == 0) - { - *n = 120; - *lineptr = (char *) malloc (*n); - if (*lineptr == NULL) - { - result = -1; - goto unlock_return; - } - } - - len = fp->_IO_read_end - fp->_IO_read_ptr; - if (len <= 0) - { - if (__underflow (fp) == EOF) - { - result = -1; - goto unlock_return; - } - len = fp->_IO_read_end - fp->_IO_read_ptr; - } - - for (;;) - { - _IO_size_t needed; - char *t; - t = (char *) memchr ((void *) fp->_IO_read_ptr, delimiter, len); - if (t != NULL) - len = (t - fp->_IO_read_ptr) + 1; - /* Make enough space for len+1 (for final NUL) bytes. */ - needed = cur_len + len + 1; - if (needed > *n) - { - if (needed < 2 * *n) - needed = 2 * *n; /* Be generous. */ - *n = needed; - *lineptr = (char *) realloc (*lineptr, needed); - if (*lineptr == NULL) - { - result = -1; - goto unlock_return; - } - } - memcpy (*lineptr + cur_len, (void *) fp->_IO_read_ptr, len); - fp->_IO_read_ptr += len; - cur_len += len; - if (t != NULL || __underflow (fp) == EOF) - break; - len = fp->_IO_read_end - fp->_IO_read_ptr; - } - (*lineptr)[cur_len] = '\0'; - result = cur_len; - -unlock_return: - _IO_cleanup_region_end (1); - return result; -} - -#ifdef weak_alias -weak_alias (_IO_getdelim, __getdelim) -weak_alias (_IO_getdelim, getdelim) -#endif |