avdevice: Constify all devices

[ffmpeg] / libavcodec / fits.c

diff --git a/libavcodec/fits.c b/libavcodec/fits.c
index ad73ab70de2e1efbc225d426d2ae94b437732dc3..97fa7abe80c5dbc9b23a2707db937110678b8e26 100644 (file)
--- a/libavcodec/fits.c
+++ b/libavcodec/fits.c
@@ -187,6 +187,8 @@ int avpriv_fits_header_parse_line(void *avcl, FITSHeader *header, const uint8_t
             header->blank = t;
             header->blank_found = 1;
         } else if (!strcmp(keyword, "BSCALE") && sscanf(value, "%lf", &d) == 1) {
+            if (d <= 0)
+                return AVERROR_INVALIDDATA;
             header->bscale = d;
         } else if (!strcmp(keyword, "BZERO") && sscanf(value, "%lf", &d) == 1) {
             header->bzero = d;
@@ -203,8 +205,12 @@ int avpriv_fits_header_parse_line(void *avcl, FITSHeader *header, const uint8_t
         } else if (!strcmp(keyword, "GROUPS") && sscanf(value, "%c", &c) == 1) {
             header->groups = (c == 'T');
         } else if (!strcmp(keyword, "GCOUNT") && sscanf(value, "%"SCNd64"", &t) == 1) {
+            if (t < 0 || t > INT_MAX)
+                return AVERROR_INVALIDDATA;
             header->gcount = t;
         } else if (!strcmp(keyword, "PCOUNT") && sscanf(value, "%"SCNd64"", &t) == 1) {
+            if (t < 0 || t > INT_MAX)
+                return AVERROR_INVALIDDATA;
             header->pcount = t;
         }
         dict_set_if_not_null(metadata, keyword, value);