host-linux.c (linux_gt_pch_use_address): Don't use SSIZE_MAX because it is not always...

2014-02-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * gcc/config/host-linux.c (linux_gt_pch_use_address): Don't
        use SSIZE_MAX because it is not always defined.

From-SVN: r207488

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6bc1933fddea20ffd30a6a4a1d9cee1e6e78bf4b..1d7a8fd5d07c32d5470e5b629ec36d9aa18f90ed 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-02-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+       * gcc/config/host-linux.c (linux_gt_pch_use_address): Don't
+       use SSIZE_MAX because it is not always defined. 
+
 2014-02-04  Vladimir Makarov  <vmakarov@redhat.com>
 
        PR bootstrap/59913

diff --git a/gcc/config/host-linux.c b/gcc/config/host-linux.c
index b18c6b67c6646197f3ae087a5126e5ba3a9dc850..9e2eb48224737261e9a9000736e0e44030cdcb8d 100644 (file)
--- a/gcc/config/host-linux.c
+++ b/gcc/config/host-linux.c
@@ -212,7 +212,7 @@ linux_gt_pch_use_address (void *base, size_t size, int fd, size_t offset)
     {
       ssize_t nbytes;
 
-      nbytes = read (fd, base, MIN (size, SSIZE_MAX));
+      nbytes = read (fd, base, MIN (size, (size_t)-1 >> 1));
       if (nbytes <= 0)
         return -1;
       base = (char *) base + nbytes;