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add getline() missing function implementation

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commit 5777457dada64211055bb1aa79c130e73d66825c 1 parent e4e361c
@tpruvot authored
View
128 android/getdelim.c
@@ -0,0 +1,128 @@
+/* getdelim.c --- Implementation of replacement getdelim function.
+ Copyright (C) 1994, 1996, 1997, 1998, 2001, 2003, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+/* Ported from glibc by Simon Josefsson. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "getdelim.h"
+
+#include <limits.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#ifndef SIZE_MAX
+# define SIZE_MAX ((size_t) -1)
+#endif
+#ifndef SSIZE_MAX
+# define SSIZE_MAX ((ssize_t) (SIZE_MAX / 2))
+#endif
+#if !HAVE_FLOCKFILE
+# undef flockfile
+# define flockfile(x) ((void) 0)
+#endif
+#if !HAVE_FUNLOCKFILE
+# undef funlockfile
+# define funlockfile(x) ((void) 0)
+#endif
+
+/* Read up to (and including) a DELIMITER from FP into *LINEPTR (and
+ NUL-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. */
+
+ssize_t
+getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp)
+{
+ ssize_t result;
+ size_t cur_len = 0;
+
+ if (lineptr == NULL || n == NULL || fp == NULL)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ flockfile (fp);
+
+ if (*lineptr == NULL || *n == 0)
+ {
+ *n = 120;
+ *lineptr = (char *) malloc (*n);
+ if (*lineptr == NULL)
+ {
+ result = -1;
+ goto unlock_return;
+ }
+ }
+
+ for (;;)
+ {
+ int i;
+
+ i = getc (fp);
+ if (i == EOF)
+ {
+ result = -1;
+ break;
+ }
+
+ /* Make enough space for len+1 (for final NUL) bytes. */
+ if (cur_len + 1 >= *n)
+ {
+ size_t needed_max =
+ SSIZE_MAX < SIZE_MAX ? (size_t) SSIZE_MAX + 1 : SIZE_MAX;
+ size_t needed = 2 * *n + 1; /* Be generous. */
+ char *new_lineptr;
+
+ if (needed_max < needed)
+ needed = needed_max;
+ if (cur_len + 1 >= needed)
+ {
+ result = -1;
+ goto unlock_return;
+ }
+
+ new_lineptr = (char *) realloc (*lineptr, needed);
+ if (new_lineptr == NULL)
+ {
+ result = -1;
+ goto unlock_return;
+ }
+
+ *lineptr = new_lineptr;
+ *n = needed;
+ }
+
+ (*lineptr)[cur_len] = i;
+ cur_len++;
+
+ if (i == delimiter)
+ break;
+ }
+ (*lineptr)[cur_len] = '\0';
+ result = cur_len ? cur_len : result;
+
+ unlock_return:
+ funlockfile (fp);
+ return result;
+}
View
28 android/getdelim.h
@@ -0,0 +1,28 @@
+/* getdelim.h --- Prototype for replacement getdelim function.
+ Copyright (C) 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+/* Written by Simon Josefsson. */
+
+/* Get size_t, FILE, ssize_t. And getdelim, if available. */
+# include <stddef.h>
+# include <stdio.h>
+# include <sys/types.h>
+
+#if !HAVE_DECL_GETDELIM
+ssize_t getdelim (char **lineptr, size_t *n, int delimiter, FILE *stream);
+#endif /* !HAVE_GETDELIM */
View
32 android/getline.c
@@ -0,0 +1,32 @@
+/* getline.c --- Implementation of replacement getline function.
+ Copyright (C) 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+/* Written by Simon Josefsson. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "getdelim.h"
+#include "getline.h"
+
+ssize_t
+getline (char **lineptr, size_t *n, FILE *stream)
+{
+ return getdelim (lineptr, n, '\n', stream);
+}
View
28 android/getline.h
@@ -0,0 +1,28 @@
+/* getline.h --- Prototype for replacement getline function.
+ Copyright (C) 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+/* Written by Simon Josefsson. */
+
+/* Get size_t, FILE, ssize_t. And getline, if available. */
+# include <stddef.h>
+# include <stdio.h>
+# include <sys/types.h>
+
+#if !HAVE_DECL_GETLINE
+ssize_t getline (char **lineptr, size_t *n, FILE *stream);
+#endif /* !HAVE_GETLINE */
View
1  busybox-full.sources
@@ -1,3 +1,4 @@
+android/getdelim.c android/getline.c
archival/bbunzip.c archival/bzip2.c archival/cpio.c archival/gzip.c archival/libarchive/lzo1x_1.c archival/libarchive/lzo1x_1o.c archival/libarchive/lzo1x_d.c archival/lzop.c archival/tar.c archival/unzip.c
archival/libarchive/data_align.c archival/libarchive/data_extract_all.c archival/libarchive/data_extract_to_command.c archival/libarchive/data_extract_to_stdout.c archival/libarchive/data_skip.c archival/libarchive/decompress_bunzip2.c archival/libarchive/decompress_unlzma.c archival/libarchive/decompress_unxz.c archival/libarchive/decompress_unzip.c archival/libarchive/decompress_uncompress.c archival/libarchive/filter_accept_all.c archival/libarchive/filter_accept_list.c archival/libarchive/filter_accept_reject_list.c archival/libarchive/find_list_entry.c archival/libarchive/get_header_cpio.c archival/libarchive/get_header_tar.c archival/libarchive/get_header_tar_bz2.c archival/libarchive/get_header_tar_gz.c archival/libarchive/get_header_tar_lzma.c archival/libarchive/header_list.c archival/libarchive/header_skip.c archival/libarchive/header_verbose_list.c archival/libarchive/init_handle.c archival/libarchive/open_transformer.c archival/libarchive/seek_by_jump.c archival/libarchive/seek_by_read.c
View
1  busybox-minimal.sources
@@ -1,3 +1,4 @@
+android/getdelim.c android/getline.c
archival/bbunzip.c archival/bzip2.c archival/cpio.c archival/gzip.c archival/libarchive/lzo1x_1.c archival/libarchive/lzo1x_1o.c archival/libarchive/lzo1x_d.c archival/lzop.c archival/tar.c archival/unzip.c
archival/libarchive/data_align.c archival/libarchive/data_extract_all.c archival/libarchive/data_extract_to_stdout.c archival/libarchive/data_skip.c archival/libarchive/decompress_bunzip2.c archival/libarchive/decompress_unzip.c archival/libarchive/filter_accept_all.c archival/libarchive/filter_accept_list.c archival/libarchive/filter_accept_reject_list.c archival/libarchive/find_list_entry.c archival/libarchive/get_header_cpio.c archival/libarchive/get_header_tar.c archival/libarchive/get_header_tar_bz2.c archival/libarchive/get_header_tar_gz.c archival/libarchive/header_list.c archival/libarchive/header_skip.c archival/libarchive/header_verbose_list.c archival/libarchive/init_handle.c archival/libarchive/open_transformer.c archival/libarchive/seek_by_jump.c archival/libarchive/seek_by_read.c archival/libarchive/decompress_unlzma.c archival/libarchive/decompress_unxz.c
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