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