* system.h (SSIZE_MAX): Delete backup definition.

	* cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
	instead of SSIZE_MAX.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34467 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f09a3bb..f6a6c20 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2000-06-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * system.h (SSIZE_MAX): Delete backup definition.
+
+       * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
+       instead of SSIZE_MAX.
+
 2000-06-09  Jakub Jelinek  <jakub@redhat.com>
 
        * configure.in: Check whether gas supports -relax.

diff --git a/gcc/cppfiles.c b/gcc/cppfiles.c
index 71bb657..55250ae 100644 (file)
--- a/gcc/cppfiles.c
+++ b/gcc/cppfiles.c
@@ -727,8 +727,11 @@ read_include_file (pfile, fd, ihash)
         the max size of a file might be bigger than the address
         space.  We can't handle a file that large.  (Anyone with
         a single source file bigger than 2GB needs to rethink
-        their coding style.)  */
-      if (st.st_size > SSIZE_MAX)
+        their coding style.)  Some systems (e.g. AIX 4.1) define
+        SSIZE_MAX to be much smaller than the actual range of the
+        type.  Use INTTYPE_MAXIMUM unconditionally to ensure this
+        does not bite us.  */
+      if (st.st_size > INTTYPE_MAXIMUM (ssize_t))
        {
          cpp_error (pfile, "%s is too large", ihash->name);
          goto fail;

diff --git a/gcc/system.h b/gcc/system.h
index e08c168..ab2cfa7 100644 (file)
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -250,10 +250,6 @@ extern int errno;
 # define UCHAR_MAX INTTYPE_MAXIMUM (unsigned char)
 #endif
 
-#ifndef SSIZE_MAX
-# define SSIZE_MAX INTTYPE_MAXIMUM (ssize_t)
-#endif
-
 #ifdef TIME_WITH_SYS_TIME
 # include <sys/time.h>
 # include <time.h>