NAME¶
zip_get_file_extra - get extra field for file in zip
LIBRARY¶
libzip (-lzip)
SYNOPSIS¶
#include <zip.h>
const char * zip_get_file_extra(struct zip *archive, zip_uint64_t index);
"int *lenp" "int flags"
DESCRIPTION¶
The zip_get_file_extra function returns the extra field for the file at position
index in the zip archive. This pointer should not be modified or
free(3) Ap d. If
lenp is not
NULL, the integer to which it
points will be set to the length of the extra. If
flags is set to
ZIP_FL_UNCHANGED, the original unchanged extra field is returned.
RETURN VALUES¶
Upon successful completion, a pointer to the extra field is returned, or
NULL if there is no extra field. In case of an error,
NULL is
returned and the error code in
archive is set to indicate the error.
ERRORS¶
zip_get_file_extra fails if:
- [ZIP_ER_INVAL]
- index is not a valid file index in
archive.
SEE ALSO¶
libzip(3),
zip_set_file_extra(3)
AUTHORS¶
Dieter Baron <dillo@giga.or.at> and Thomas Klausner
<tk@giga.or.at>