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93d3a73dad
All four `unsigned long`/`int`/`ssize_t` receivers across archive-zip, diff, http-push and t/helper/test-pack-deltas were widened to `size_t` in the prior commits, and remote-curl and fast-import were already there. With every caller prepared, both the parameter and the return type can now move without introducing any silent narrowing. For inputs above zlib's `uLong` range (i.e. >4 GiB on platforms where `uLong` is 32-bit, notably 64-bit Windows), defer to zlib's stored-block formula (the same fallback it would itself use, see https://github.com/madler/zlib/blob/v1.3.2/deflate.c#L832-L928 keeping in mind that for large sizes, the `storelen` would be relevant, also compare with https://github.com/madler/zlib/issues/549 for a fuller story) plus the worst-case wrapper overhead. The existing path through `deflateBound()` is unchanged for inputs that fit. Assisted-by: Opus 4.7 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
31 lines
822 B
C
31 lines
822 B
C
#ifndef GIT_ZLIB_H
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#define GIT_ZLIB_H
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#include "compat/zlib-compat.h"
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typedef struct git_zstream {
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struct z_stream_s z;
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size_t avail_in;
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size_t avail_out;
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size_t total_in;
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size_t total_out;
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unsigned char *next_in;
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unsigned char *next_out;
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} git_zstream;
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void git_inflate_init(git_zstream *);
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void git_inflate_init_gzip_only(git_zstream *);
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void git_inflate_end(git_zstream *);
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int git_inflate(git_zstream *, int flush);
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void git_deflate_init(git_zstream *, int level);
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void git_deflate_init_gzip(git_zstream *, int level);
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void git_deflate_init_raw(git_zstream *, int level);
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void git_deflate_end(git_zstream *);
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int git_deflate_abort(git_zstream *);
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int git_deflate_end_gently(git_zstream *);
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int git_deflate(git_zstream *, int flush);
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size_t git_deflate_bound(git_zstream *, size_t);
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#endif /* GIT_ZLIB_H */
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