stbi_is_hdr_from_file needs to reset file position

ago%!(EXTRA string=7 years) · 9b2522c3d5
parent 87352fdcb5
commit 9b2522c3d5
1 changed files with 4 additions and 1 deletions
--- a/stb_image.h
+++ b/stb_image.h
@ -1333,9 +1333,12 @@ STBIDEF int      stbi_is_hdr          (char const *filename)
 STBIDEF int      stbi_is_hdr_from_file(FILE *f)
 {
   #ifndef STBI_NO_HDR
+   long pos = ftell(f), res;
   stbi__context s;
   stbi__start_file(&s,f);
-   return stbi__hdr_test(&s);
+   res = stbi__hdr_test(&s);
+   fseek(f, pos, SEEK_SET);
+   return res;
   #else
   STBI_NOTUSED(f);
   return 0;