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PhotoRec: avoid to truncate the file too short when there isn't enough data to read

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This commit is contained in:
Christophe Grenier 2010-11-09 09:16:15 +01:00
parent 6d955e1fa5
commit f6545386c0
1 changed files with 4 additions and 2 deletions
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6
src/file_jpg.c
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@ -873,7 +873,9 @@ static void jpg_check_picture(file_recovery_t *file_recovery)
*/
my_source_mgr * src;
src = (my_source_mgr *) jpeg_session.cinfo.src;
jpeg_size=src->file_size - src->pub.bytes_in_buffer;
jpeg_size=src->file_size;
if(src->pub.bytes_in_buffer >= 4)
jpeg_size-=src->pub.bytes_in_buffer;
if(jpeg_size>0)
file_recovery->offset_error=jpeg_size;
if(file_recovery->offset_ok < src->offset_ok)
@ -1267,7 +1269,7 @@ static void file_check_jpg(file_recovery_t *file_recovery)
if(file_recovery->offset_error==0 || file_recovery->offset_error > thumb_error)
{
#ifdef DEBUG_JPEG
log_info("Thumb usefull, error at %llu\n", thumb_error);
log_info("Thumb usefull, error at %llu\n", (long long unsigned)thumb_error);
#endif
file_recovery->offset_error = thumb_error;
}