diff options
Diffstat (limited to 'zlibWrapper/gzwrite.c')
| -rw-r--r-- | zlibWrapper/gzwrite.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/zlibWrapper/gzwrite.c b/zlibWrapper/gzwrite.c index d1250b90084d..21d5f84727aa 100644 --- a/zlibWrapper/gzwrite.c +++ b/zlibWrapper/gzwrite.c @@ -6,6 +6,8 @@ * For conditions of distribution and use, see http://www.zlib.net/zlib_license.html */ +#include <assert.h> + #include "gzguts.h" /* Local functions */ @@ -24,7 +26,7 @@ local int gz_init(state) z_streamp strm = &(state.state->strm); /* allocate input buffer (double size for gzprintf) */ - state.state->in = (unsigned char *)malloc(state.state->want << 1); + state.state->in = (unsigned char*)malloc(state.state->want << 1); if (state.state->in == NULL) { gz_error(state, Z_MEM_ERROR, "out of memory"); return -1; @@ -33,7 +35,7 @@ local int gz_init(state) /* only need output buffer and deflate state if compressing */ if (!state.state->direct) { /* allocate output buffer */ - state.state->out = (unsigned char *)malloc(state.state->want); + state.state->out = (unsigned char*)malloc(state.state->want); if (state.state->out == NULL) { free(state.state->in); gz_error(state, Z_MEM_ERROR, "out of memory"); @@ -284,6 +286,7 @@ z_size_t ZEXPORT gzfwrite(buf, size, nitems, file) gz_statep state; /* get internal structure */ + assert(size != 0); if (file == NULL) return 0; state = (gz_statep)file; @@ -294,7 +297,7 @@ z_size_t ZEXPORT gzfwrite(buf, size, nitems, file) /* compute bytes to read -- error on overflow */ len = nitems * size; - if (size && len / size != nitems) { + if (size && (len / size != nitems)) { gz_error(state, Z_STREAM_ERROR, "request does not fit in a size_t"); return 0; } |