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It can sometimes be useful to write information temporarily to file,
to read back later. These functions allow a program to use the
line_buffer facilities when doing so.
It works like this:
1. find a unique filename with buffer_tmpfile_init.
2. rewind with buffer_tmpfile_rewind. This returns a stdio
handle for writing.
3. when finished writing, declare so with
buffer_tmpfile_prepare_to_read. The return value indicates
how many bytes were written.
4. read whatever portion of the file is needed.
5. if finished, remove the temporary file with buffer_deinit.
otherwise, go back to step 2,
The svn support would use this to buffer the postimage from delta
application until the length is known and fast-import can receive
the resulting blob.
Based-on-patch-by: David Barr <david.barr@cordelta.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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|---|---|---|
| .. | ||
| fast_export.c | ||
| fast_export.h | ||
| LICENSE | ||
| line_buffer.c | ||
| line_buffer.h | ||
| line_buffer.txt | ||
| obj_pool.h | ||
| repo_tree.c | ||
| repo_tree.h | ||
| string_pool.c | ||
| string_pool.h | ||
| string_pool.txt | ||
| svndump.c | ||
| svndump.h | ||
| trp.h | ||
| trp.txt | ||