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Allow gzrewind() and gzseek() after a premature end-of-file.

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This commit is contained in:
Mark Adler 2011-09-26 18:20:32 -07:00
parent 5ad116abda
commit 50e440f081
1 changed files with 3 additions and 2 deletions
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5
gzlib.c
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@ -265,7 +265,8 @@ int ZEXPORT gzrewind(file)
state = (gz_statep)file;
/* check that we're reading and that there's no error */
if (state->mode != GZ_READ || state->err != Z_OK)
if (state->mode != GZ_READ ||
(state->err != Z_OK && state->err != Z_BUF_ERROR))
return -1;
/* back up and start over */
@ -293,7 +294,7 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence)
return -1;
/* check that there's no error */
if (state->err != Z_OK)
if (state->err != Z_OK && state->err != Z_BUF_ERROR)
return -1;
/* can only seek from start or relative to current position */