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Wrap inflate and other zlib routines for better error reporting

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R. Tyler Ballance reported a mysterious transient repository corruption;
after much digging, it turns out that we were not catching and reporting
memory allocation errors from some calls we make to zlib.

This one _just_ wraps things; it doesn't do the "retry on low memory
error" part, at least not yet. It is an independent issue from the
reporting.  Some of the errors are expected and passed back to the caller,
but we die when zlib reports it failed to allocate memory for now.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Linus Torvalds
2009-01-07 19:54:47 -08:00
committed by Junio C Hamano
parent 141201d124
commit 39c68542fc
9 changed files with 99 additions and 34 deletions
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4
cache.h
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@ -12,6 +12,10 @@
#define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11)
#endif
void git_inflate_init(z_streamp strm);
void git_inflate_end(z_streamp strm);
int git_inflate(z_streamp strm, int flush);
#if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT)
#define DTYPE(de) ((de)->d_type)
#else