diff options
author | Jim Meyering <jim@meyering.net> | 2003-08-07 09:24:34 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 2003-08-07 09:24:34 +0000 |
commit | 5e7260dd561ff1e26b0d9d2d38b23fac59e2b517 (patch) | |
tree | 85ef6db20d9dd5bdb779f0a12bd1eee2ca0472ff /lib | |
parent | 2a12cb5fcea7a0acc90212157c9e31d15186dfd8 (diff) | |
download | coreutils-5e7260dd561ff1e26b0d9d2d38b23fac59e2b517.tar.xz |
superseded by getndelim2.[ch]
Diffstat (limited to 'lib')
-rw-r--r-- | lib/getdelim2.c | 110 | ||||
-rw-r--r-- | lib/getdelim2.h | 10 |
2 files changed, 0 insertions, 120 deletions
diff --git a/lib/getdelim2.c b/lib/getdelim2.c deleted file mode 100644 index 96e2f78f3..000000000 --- a/lib/getdelim2.c +++ /dev/null @@ -1,110 +0,0 @@ -/* getdelim2.c -- a variant of getdelim - - Copyright (C) 2003 Free Software Foundation, Inc. - - 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 2, or (at your option) - 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, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* Written by Jan Brittenson, bson@gnu.ai.mit.edu. */ - -#if HAVE_CONFIG_H -# include <config.h> -#endif - -#include "getdelim2.h" - -#include <stdlib.h> - -#include "unlocked-io.h" - -/* Always add at least this many bytes when extending the buffer. */ -#define MIN_CHUNK 64 - -/* Read up to (and including) a delimiter DELIM1 from STREAM into *LINEPTR - + OFFSET (and NUL-terminate it). If DELIM2 is non-zero, then read up - and including the first occurrence of DELIM1 or DELIM2. *LINEPTR is - a pointer returned from malloc (or NULL), pointing to *N characters of - space. It is realloc'd as necessary. Return the number of characters - read (not including the NUL terminator), or -1 on error or EOF. */ - -int -getdelim2 (char **lineptr, size_t *n, FILE *stream, int delim1, int delim2, - size_t offset) -{ - size_t nchars_avail; /* Allocated but unused chars in *LINEPTR. */ - char *read_pos; /* Where we're reading into *LINEPTR. */ - int ret; - - if (!lineptr || !n || !stream) - return -1; - - if (!*lineptr) - { - *n = MIN_CHUNK; - *lineptr = malloc (*n); - if (!*lineptr) - return -1; - } - - if (*n < offset) - return -1; - - nchars_avail = *n - offset; - read_pos = *lineptr + offset; - - for (;;) - { - register int c = getc (stream); - - /* We always want at least one char left in the buffer, since we - always (unless we get an error while reading the first char) - NUL-terminate the line buffer. */ - - if (nchars_avail < 2) - { - if (*n > MIN_CHUNK) - *n *= 2; - else - *n += MIN_CHUNK; - - nchars_avail = *n + *lineptr - read_pos; - *lineptr = realloc (*lineptr, *n); - if (!*lineptr) - return -1; - read_pos = *n - nchars_avail + *lineptr; - } - - if (c == EOF || ferror (stream)) - { - /* Return partial line, if any. */ - if (read_pos == *lineptr) - return -1; - else - break; - } - - *read_pos++ = c; - nchars_avail--; - - if (c == delim1 || (delim2 && c == delim2)) - /* Return the line. */ - break; - } - - /* Done - NUL terminate and return the number of chars read. */ - *read_pos = '\0'; - - ret = read_pos - (*lineptr + offset); - return ret; -} diff --git a/lib/getdelim2.h b/lib/getdelim2.h deleted file mode 100644 index 01be0ddbb..000000000 --- a/lib/getdelim2.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef GETDELIM2_H_ -# define GETDELIM2_H_ 1 - -# include <stddef.h> -# include <stdio.h> - -int getdelim2 (char **lineptr, size_t *n, FILE *stream, int delim1, int delim2, - size_t offset); - -#endif |