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ensure dependency for zlib wrapper

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This commit is contained in:
Yann Collet
2018-08-15 16:43:13 -07:00
parent 42a02ab745
commit da55865e47
4 changed files with 18 additions and 15 deletions
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6
zlibWrapper/examples/zwrapbench.c
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@ -573,10 +573,10 @@ static size_t BMK_findMaxMem(U64 requiredMem)
do {
testmem = (BYTE*)malloc((size_t)requiredMem);
requiredMem -= step;
} while (!testmem);
} while (!testmem && requiredMem); /* do not allocate zero bytes */
free(testmem);
return (size_t)(requiredMem);
return (size_t)(requiredMem+1); /* avoid zero */
}
static void BMK_benchCLevel(void* srcBuffer, size_t benchedSize,
@ -734,7 +734,7 @@ static void BMK_benchFileTable(const char** fileNamesTable, unsigned nbFiles,
if ((U64)benchedSize > totalSizeToLoad) benchedSize = (size_t)totalSizeToLoad;
if (benchedSize < totalSizeToLoad)
DISPLAY("Not enough memory; testing %u MB only...\n", (U32)(benchedSize >> 20));
srcBuffer = malloc(benchedSize);
srcBuffer = malloc(benchedSize + !benchedSize);
if (!srcBuffer) EXM_THROW(12, "not enough memory");
/* Load input buffer */

4
zlibWrapper/gzlib.c
View File

@ -111,7 +111,7 @@ local gzFile gz_open(path, fd, mode)
return NULL;
/* allocate gzFile structure to return */
state = (gz_statep)(gz_state*)malloc(sizeof(gz_state));
state.state = (gz_state*)malloc(sizeof(gz_state));
if (state.state == NULL)
return NULL;
state.state->size = 0; /* no buffers allocated yet */
@ -266,7 +266,7 @@ local gzFile gz_open(path, fd, mode)
gz_reset(state);
/* return stream */
return (gzFile)state.file;
return state.file;
}
/* -- see zlib.h -- */

9
zlibWrapper/gzwrite.c
View File

@ -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;
}