mirror of
https://github.com/git/git
synced 2024-08-24 02:11:08 +00:00
1a507fc112
Before refactoring the main part of the wrappers, first move the logic to convert error status that come back from zlib to string to a helper function. Signed-off-by: Junio C Hamano <gitster@pobox.com>
65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
/*
|
|
* 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;
|
|
}
|