stbi_is_hdr_from_file needs to reset file position

pull/538/head
Sean Barrett 2018-01-29 07:48:12 -08:00
parent 87352fdcb5
commit 9b2522c3d5
1 changed files with 4 additions and 1 deletions

View File

@ -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;