[svn-r4643] Purpose:

    Code cleanup
Description:
    Windows is generating hundreds of warnings from some of the practices in
    the library.  Mostly, they are because size_t is 32-bit and hsize_t is
    64-bit on Windows and we were carelessly casting the larger values down to
    the smaller ones without checking for overflow.

    Also, some other small code cleanups,etc.

Solution:
    Re-worked some algorithms to eliminate the casts and also added more
    overflow checking for assignments and function parameters which needed
    casts.

    Kent did most of the work, I just went over his changes and fit them into
    the the library code a bit better.

Platforms tested:
    FreeBSD 4.4 (hawkwind)

1 files changed, 2 insertions, 0 deletions

diff --git a/tools/gifconv/hdfgifwr.c b/tools/gifconv/hdfgifwr.c
index b13b79a..9804098 100644
--- a/tools/gifconv/hdfgifwr.c
+++ b/tools/gifconv/hdfgifwr.c
@@ -152,7 +152,9 @@ static unsigned long cur_accum = 0;
 static int           cur_bits = 0;
 
 #define MAXCODE(n_bits)     ( (1 << (n_bits)) - 1)
+#ifndef WIN32
 #define min(a,b)        ((a>b) ? b : a)
+#endif
 #define XV_BITS	12    /* BITS was already defined on some systems */
 #define MSDOS	1
 #define HSIZE  5003            /* 80% occupancy */