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Widened the lseek capacity determination to SEEK_SET with wanted size

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This commit is contained in:
Thomas Schmitt
2022-05-30 18:38:54 +02:00
parent ad55ec78e4
commit c6cb7dfa3e
4 changed files with 59 additions and 10 deletions
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8
libisofs/fsource.h
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@ -49,10 +49,14 @@ int iso_ifs_source_clone(IsoFileSource *old_source, IsoFileSource **new_source,
int flag);
off_t iso_file_source_lseek_capacity(IsoFileSource *src, off_t wanted_size,
int flag);
/* Determine whether src is random-access readable and return its capacity.
@return -1 iso_file_source_lseek failed , >= 0 readable capacity
*/
off_t iso_file_source_lseek_capacity(IsoFileSource *src, int flag);
off_t iso_file_source_determine_capacity(IsoFileSource *src, off_t wanted_size,
int flag);
#endif /*LIBISO_FSOURCE_H_*/