drop the getdelim/getline fallback functions

Switch over to gnulib for these.

autogen.sh

@@ -5,6 +5,8 @@ gnulib_url="git://git.sv.gnu.org/gnulib.git"
 gnulib_hash="4084b3a1094372b960ce4a97634e08f4538c8bdd"
 
 modules="
+	getdelim
+	getline
 	strcase
 	strcasestr-simple
 	strnlen

configure.ac

@@ -473,7 +473,7 @@ int main(void)
 
 dnl Checks for functions.
 
-AC_CHECK_FUNCS(getdelim getline isblank snprintf vsnprintf)
+AC_CHECK_FUNCS(isblank snprintf vsnprintf)
 
 if test "x$enable_utf8" != xno; then
     AC_CHECK_FUNCS(iswalnum iswblank iswpunct iswspace nl_langinfo mblen mbstowcs mbtowc wctomb wcwidth)

src/nano.h

@@ -137,12 +137,6 @@
 #ifndef HAVE_ISWBLANK
 #define iswblank niswblank
 #endif
-#ifndef HAVE_GETDELIM
-#define getdelim ngetdelim
-#endif
-#ifndef HAVE_GETLINE
-#define getline ngetline
-#endif
 
 /* If we aren't using ncurses with mouse support, turn the mouse support
  * off, as it's useless then. */

src/proto.h

@@ -652,14 +652,6 @@ void snuggly_fit(char **str);
 void null_at(char **data, size_t index);
 void unsunder(char *str, size_t true_len);
 void sunder(char *str);
-#if !defined(NANO_TINY) && !defined(DISABLE_NANORC)
-#ifndef HAVE_GETLINE
-ssize_t ngetline(char **lineptr, size_t *n, FILE *stream);
-#endif
-#ifndef HAVE_GETDELIM
-ssize_t ngetdelim(char **lineptr, size_t *n, int delim, FILE *stream);
-#endif
-#endif
 #ifdef HAVE_REGEX_H
 const char *fixbounds(const char *r);
 #endif

src/utils.c

@@ -170,93 +170,6 @@ void sunder(char *str)
     }
 }
 
-/* These functions, ngetline() (originally getline()) and ngetdelim()
- * (originally getdelim()), were adapted from GNU mailutils 0.5
- * (mailbox/getline.c).  Here is the notice from that file, after
- * converting to the GPL via LGPL clause 3, and with the Free Software
- * Foundation's address and the copyright years updated:
- *
- * GNU Mailutils -- a suite of utilities for electronic mail
- * Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007
- * Free Software Foundation, Inc.
- *
- * 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 3 of the
- * License, 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; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301, USA. */
-
-#ifndef DISABLE_NANORC
-
-#ifndef HAVE_GETDELIM
-/* This function is equivalent to getdelim(). */
-ssize_t ngetdelim(char **lineptr, size_t *n, int delim, FILE *stream)
-{
-    size_t indx = 0;
-    int c;
-
-    /* Sanity checks. */
-    if (lineptr == NULL || n == NULL || stream == NULL ||
-	fileno(stream) == -1) {
-	errno = EINVAL;
-	return -1;
-    }
-
-    /* Allocate the line the first time. */
-    if (*lineptr == NULL) {
-	*n = MAX_BUF_SIZE;
-	*lineptr = charalloc(*n);
-    }
-
-    while ((c = getc(stream)) != EOF) {
-	/* Check if more memory is needed. */
-	if (indx >= *n) {
-	    *n += MAX_BUF_SIZE;
-	    *lineptr = charealloc(*lineptr, *n);
-	}
-
-	/* Put the result in the line. */
-	(*lineptr)[indx++] = (char)c;
-
-	/* Bail out. */
-	if (c == delim)
-	    break;
-    }
-
-    /* Make room for the null character. */
-    if (indx >= *n) {
-	*n += MAX_BUF_SIZE;
-	*lineptr = charealloc(*lineptr, *n);
-    }
-
-    /* Null-terminate the buffer. */
-    null_at(lineptr, indx++);
-    *n = indx;
-
-    /* The last line may not have the delimiter.  We have to return what
-     * we got, and the error will be seen on the next iteration. */
-    return (c == EOF && (indx - 1) == 0) ? -1 : indx - 1;
-}
-#endif
-
-#ifndef HAVE_GETLINE
-/* This function is equivalent to getline(). */
-ssize_t ngetline(char **lineptr, size_t *n, FILE *stream)
-{
-    return getdelim(lineptr, n, '\n', stream);
-}
-#endif
-#endif /* !DISABLE_NANORC */
-
 #ifdef HAVE_REGEX_H
 /* Fix the regex if we're on platforms which require an adjustment
  * from GNU-style to BSD-style word boundaries. */