mirror of
https://github.com/git/git.git
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b0613ce0f9
Programs using xmalloc() but not git_inflate() require -lz on the linker command line because git_inflate() is in the same translation unit as xmalloc(). Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
62 lines
1.2 KiB
C
62 lines
1.2 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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void git_inflate_init(z_streamp strm)
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{
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const char *err;
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switch (inflateInit(strm)) {
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case Z_OK:
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return;
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case Z_MEM_ERROR:
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err = "out of memory";
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break;
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case Z_VERSION_ERROR:
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err = "wrong version";
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break;
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default:
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err = "error";
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}
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die("inflateInit: %s (%s)", err, 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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if (inflateEnd(strm) != Z_OK)
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error("inflateEnd: %s", strm->msg ? strm->msg : "failed");
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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 ret = inflate(strm, flush);
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const char *err;
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switch (ret) {
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/* Out of memory is fatal. */
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case Z_MEM_ERROR:
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die("inflate: out of memory");
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/* Data corruption errors: we may want to recover from them (fsck) */
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case Z_NEED_DICT:
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err = "needs dictionary"; break;
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case Z_DATA_ERROR:
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err = "data stream error"; break;
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case Z_STREAM_ERROR:
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err = "stream consistency error"; break;
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default:
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err = "unknown error"; break;
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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 ret;
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}
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error("inflate: %s (%s)", err, strm->msg ? strm->msg : "no message");
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return ret;
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}
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