Fix two coverity issues

2018-11-17 01:30:59 +01:00
parent d66d8ce320
commit 50936b2447
2 changed files with 2 additions and 3 deletions
--- a/rtexif/kodakattribs.cc
+++ b/rtexif/kodakattribs.cc
@@ -104,12 +104,11 @@ void parseKodakIfdTextualInfo (Tag *textualInfo, Tag* exif_)
                a = atoi (val.c_str());
                b = atoi (&p1[1]);
            }
-
            t = new Tag (exif, lookupAttrib (exifAttribs, "ExposureTime"));
            t->initRational (a, b);
            exif->replaceTag (t);

-            float ssv = -log2 ((float)a / (float)b); // convert to APEX value
+            const float ssv = -log2 ((float)a / std::max((float)b, 0.0001f)); // convert to APEX value, avoid division by zero
            t = new Tag (exif, lookupAttrib (exifAttribs, "ShutterSpeedValue"));
            t->initRational (1000000 * ssv, 1000000);
            exif->replaceTag (t);