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-rw-r--r--ext/exif/exif.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/ext/exif/exif.c b/ext/exif/exif.c
index 2639bd330c..88230a8296 100644
--- a/ext/exif/exif.c
+++ b/ext/exif/exif.c
@@ -4515,8 +4515,9 @@ PHP_FUNCTION(exif_read_data)
exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "CCDWidth", "%dmm", (int)ImageInfo.CCDWidth);
}
if(ImageInfo.ExposureTime>0) {
- if(ImageInfo.ExposureTime <= 0.5) {
- exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "ExposureTime", "%0.3F s (1/%d)", ImageInfo.ExposureTime, (int)(0.5 + 1/ImageInfo.ExposureTime));
+ float recip_exposure_time = 0.5f + 1.0f/ImageInfo.ExposureTime;
+ if (ImageInfo.ExposureTime <= 0.5 && recip_exposure_time < INT_MAX) {
+ exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "ExposureTime", "%0.3F s (1/%d)", ImageInfo.ExposureTime, (int) recip_exposure_time);
} else {
exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "ExposureTime", "%0.3F s", ImageInfo.ExposureTime);
}