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Clarified the API description of NULL data in iso_write_opts_set_system_area()

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This commit is contained in:
Thomas Schmitt 2024-05-12 21:56:15 +02:00
parent d9c548dbfc
commit 8ffd3b381b
1 changed files with 5 additions and 2 deletions
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7
libisofs/libisofs.h
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@ -2198,7 +2198,10 @@ int iso_write_opts_set_fifo_size(IsoWriteOpts *opts, size_t fifo_size);
* @param opts
* The option set to be manipulated.
* @param data
* Either NULL or 32 kB of data. Do not submit less bytes !
* Either NULL or 32768 bytes of data. Do not submit less bytes !
* NULL means that the possibly imported System Area content of the
* possibly imported ISO image is to be re-used unchanged.
* Submit 32 KiB of 0-bytes to surely get an empty System Area written.
* @param options
* Can cause manipulations of submitted data before they get written:
* bit0= Only with System area type 0 = MBR
@ -2294,7 +2297,7 @@ int iso_write_opts_set_fifo_size(IsoWriteOpts *opts, size_t fifo_size);
* written.
* @param flag
* bit0 = invalidate any attached system area data. Same as data == NULL
* (This re-activates eventually loaded image System Area data.
* (This re-activates possibly loaded image System Area data.
* To erase those, submit 32 kB of zeros without flag bit0.)
* bit1 = keep data unaltered
* bit2 = keep options unaltered