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/*
* zlib wrappers to make sure we don't silently miss errors
* at init time.
*/
#include "cache.h"
static const char *zerr_to_string(int status)
{
switch (status) {
case Z_MEM_ERROR:
return "out of memory";
case Z_VERSION_ERROR:
return "wrong version";
case Z_NEED_DICT:
return "needs dictionary";
case Z_DATA_ERROR:
return "data stream error";
case Z_STREAM_ERROR:
return "stream consistency error";
default:
return "unknown error";
}
}
void git_inflate_init(z_streamp strm)
{
int status = inflateInit(strm);
if (status == Z_OK)
return;
die("inflateInit: %s (%s)", zerr_to_string(status),
strm->msg ? strm->msg : "no message");
}
void git_inflate_end(z_streamp strm)
{
int status = inflateEnd(strm);
if (status == Z_OK)
return;
error("inflateEnd: %s (%s)", zerr_to_string(status),
strm->msg ? strm->msg : "no message");
}
int git_inflate(z_streamp strm, int flush)
{
int status = inflate(strm, flush);
switch (status) {
/* Z_BUF_ERROR: normal, needs more space in the output buffer */
case Z_BUF_ERROR:
case Z_OK:
case Z_STREAM_END:
return status;
case Z_MEM_ERROR:
die("inflate: out of memory");
default:
break;
}
error("inflate: %s (%s)", zerr_to_string(status),
strm->msg ? strm->msg : "no message");
return status;
}
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