From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 16 Nov 2012 15:29:22 +0000 (-0800)
Subject: Remove no-longer-used pty_max_bytes variable.
X-Git-Tag: emacs-24.3.90~173^2~18^2~94
X-Git-Url: https://code.delx.au/gnu-emacs/commitdiff_plain/3d082a269ece18058ed82957f8a056822b39789e

Remove no-longer-used pty_max_bytes variable.

* configure.ac (fpathconf): Remove unnecessary check.
* admin/CPP-DEFINES (HAVE_FPATHCONF): Remove.
* src/process.c (pty_max_bytes): Remove; unused.
(send_process): Do not set it.
---

diff --git a/ChangeLog b/ChangeLog
index f5f649aae6..1e5bf54a89 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-11-16  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Remove no-longer-used pty_max_bytes variable.
+	* configure.ac (fpathconf): Remove unnecessary check.
+
 2012-11-14  Paul Eggert  <eggert@cs.ucla.edu>
 
 	Use faccessat, not access, when checking file permissions (Bug#12632).
diff --git a/admin/CPP-DEFINES b/admin/CPP-DEFINES
index 0a4c14cb95..17c56dc7e9 100644
--- a/admin/CPP-DEFINES
+++ b/admin/CPP-DEFINES
@@ -152,7 +152,6 @@ HAVE_ENVIRON_DECL
 HAVE_EUIDACCESS
 HAVE_FCNTL_H
 HAVE_FORK
-HAVE_FPATHCONF
 HAVE_FREEIFADDRS
 HAVE_FREETYPE
 HAVE_FSEEKO
diff --git a/admin/ChangeLog b/admin/ChangeLog
index fd28bf1228..4eb413e948 100644
--- a/admin/ChangeLog
+++ b/admin/ChangeLog
@@ -1,3 +1,8 @@
+2012-11-16  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Remove no-longer-used pty_max_bytes variable.
+	* CPP-DEFINES (HAVE_FPATHCONF): Remove.
+
 2012-11-14  Paul Eggert  <eggert@cs.ucla.edu>
 
 	Use faccessat, not access, when checking file permissions (Bug#12632).
diff --git a/configure.ac b/configure.ac
index b0c81a23f8..937c645bb5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2874,7 +2874,7 @@ AC_SUBST(BLESSMAIL_TARGET)
 AC_CHECK_FUNCS(gethostname \
 closedir getrusage get_current_dir_name \
 lrand48 \
-fpathconf select getpagesize setlocale \
+select getpagesize setlocale \
 utimes getrlimit setrlimit getcwd shutdown getaddrinfo \
 strsignal setitimer \
 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
diff --git a/src/ChangeLog b/src/ChangeLog
index 8caaa2f68e..c9c754f867 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2012-11-16  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Remove no-longer-used pty_max_bytes variable.
+	* process.c (pty_max_bytes): Remove; unused.
+	(send_process): Do not set it.
+
 2012-11-15  Juanma Barranquero  <lekktu@gmail.com>
 
 	* makefile.w32-in ($(BLD)/dispnew.$(O), $(BLD)/emacs.$(O)):
diff --git a/src/process.c b/src/process.c
index 728abebe75..785282fba3 100644
--- a/src/process.c
+++ b/src/process.c
@@ -340,9 +340,6 @@ static struct sockaddr_and_len {
 #define DATAGRAM_CONN_P(proc)	(0)
 #endif
 
-/* Maximum number of bytes to send to a pty without an eof.  */
-static int pty_max_bytes;
-
 /* These setters are used only in this file, so they can be private.  */
 static void
 pset_buffer (struct Lisp_Process *p, Lisp_Object val)
@@ -5532,19 +5529,6 @@ send_process (Lisp_Object proc, const char *buf, ptrdiff_t len,
       buf = SSDATA (object);
     }
 
-  if (pty_max_bytes == 0)
-    {
-#if defined (HAVE_FPATHCONF) && defined (_PC_MAX_CANON)
-      pty_max_bytes = fpathconf (p->outfd, _PC_MAX_CANON);
-      if (pty_max_bytes < 0)
-	pty_max_bytes = 250;
-#else
-      pty_max_bytes = 250;
-#endif
-      /* Deduct one, to leave space for the eof.  */
-      pty_max_bytes--;
-    }
-
   /* If there is already data in the write_queue, put the new data
      in the back of queue.  Otherwise, ignore it.  */
   if (!NILP (p->write_queue))