[FFmpeg-cvslog] eval: fix infinite loop on opensolaris x86.

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Mar  1 03:24:45 2012 +0100| [d2101bffa0f2221586e3e7eacfecf47d5c29f2c4] | committer: Michael Niedermayer

eval: fix infinite loop on opensolaris x86.

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d2101bffa0f2221586e3e7eacfecf47d5c29f2c4
---

 libavutil/eval.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavutil/eval.c b/libavutil/eval.c
index 7c3e182..43c70f3 100644
--- a/libavutil/eval.c
+++ b/libavutil/eval.c
@@ -201,7 +201,7 @@ static double eval_expr(Parser *p, AVExpr *e)
             return d;
         }
         case e_root: {
-            int i;
+            int i, j;
             double low = -1, high = -1, v, low_v = -DBL_MAX, high_v = DBL_MAX;
             double var0 = p->var[0];
             double x_max = eval_expr(p, e->param[1]);
@@ -224,7 +224,7 @@ static double eval_expr(Parser *p, AVExpr *e)
                     high_v = v;
                 }
                 if (low>=0 && high>=0){
-                    while (1) {
+                    for (j=0; j<1000; j++) {
                         p->var[0] = (low+high)*0.5;
                         if (low == p->var[0] || high == p->var[0])
                             break;