diff options
Diffstat (limited to 'src/3rdparty/zlib/src/gzread.c')
| -rw-r--r-- | src/3rdparty/zlib/src/gzread.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/src/3rdparty/zlib/src/gzread.c b/src/3rdparty/zlib/src/gzread.c index 956b91ea7d..dd77381596 100644 --- a/src/3rdparty/zlib/src/gzread.c +++ b/src/3rdparty/zlib/src/gzread.c @@ -1,5 +1,5 @@ /* gzread.c -- zlib functions for reading gzip files - * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013, 2016 Mark Adler + * Copyright (C) 2004-2017 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -157,11 +157,9 @@ local int gz_look(state) the output buffer is larger than the input buffer, which also assures space for gzungetc() */ state->x.next = state->out; - if (strm->avail_in) { - memcpy(state->x.next, strm->next_in, strm->avail_in); - state->x.have = strm->avail_in; - strm->avail_in = 0; - } + memcpy(state->x.next, strm->next_in, strm->avail_in); + state->x.have = strm->avail_in; + strm->avail_in = 0; state->how = COPY; state->direct = 1; return 0; @@ -314,9 +312,9 @@ local z_size_t gz_read(state, buf, len) got = 0; do { /* set n to the maximum amount of len that fits in an unsigned int */ - n = -1; + n = (unsigned)-1; if (n > len) - n = len; + n = (unsigned)len; /* first just try copying data from the output buffer */ if (state->x.have) { @@ -397,7 +395,7 @@ int ZEXPORT gzread(file, buf, len) } /* read len or fewer bytes to buf */ - len = gz_read(state, buf, len); + len = (unsigned)gz_read(state, buf, len); /* check for an error */ if (len == 0 && state->err != Z_OK && state->err != Z_BUF_ERROR) @@ -447,7 +445,6 @@ z_size_t ZEXPORT gzfread(buf, size, nitems, file) int ZEXPORT gzgetc(file) gzFile file; { - int ret; unsigned char buf[1]; gz_statep state; @@ -469,8 +466,7 @@ int ZEXPORT gzgetc(file) } /* nothing there -- try gz_read() */ - ret = gz_read(state, buf, 1); - return ret < 1 ? -1 : buf[0]; + return gz_read(state, buf, 1) < 1 ? -1 : buf[0]; } int ZEXPORT gzgetc_(file) |