do not allow size or nbytes to go negative.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 5d5ece9..77f1628 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2002-01-07  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * read.c (emit_expr): Do not allow 'size' or 'nbytes' to go
+       negative.
+
 2002-01-06  Alan Modra  <amodra@bigpond.net.au>
 
        * config/tc-m68k.h (md_prepare_relax_scan): Rewrite.

diff --git a/gas/read.c b/gas/read.c
index 5fc9511..b0446c8 100644 (file)
--- a/gas/read.c
+++ b/gas/read.c
@@ -3683,7 +3683,7 @@ emit_expr (exp, nbytes)
            }
 
          nums = generic_bignum + size / CHARS_PER_LITTLENUM;
-         while (size > 0)
+         while (size >= CHARS_PER_LITTLENUM)
            {
              --nums;
              md_number_to_chars (p, (valueT) *nums, CHARS_PER_LITTLENUM);
@@ -3694,7 +3694,7 @@ emit_expr (exp, nbytes)
       else
        {
          nums = generic_bignum;
-         while (size > 0)
+         while (size >= CHARS_PER_LITTLENUM)
            {
              md_number_to_chars (p, (valueT) *nums, CHARS_PER_LITTLENUM);
              ++nums;
@@ -3703,7 +3703,7 @@ emit_expr (exp, nbytes)
              nbytes -= CHARS_PER_LITTLENUM;
            }
 
-         while (nbytes > 0)
+         while (nbytes >= CHARS_PER_LITTLENUM)
            {
              md_number_to_chars (p, extra_digit, CHARS_PER_LITTLENUM);
              nbytes -= CHARS_PER_LITTLENUM;