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example_util: add ExUtilSetBinaryMode

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use it in dwebp when dealing with 'stdout'

Change-Id: I8b8a0b0de9e73731e913ac3c83b5e2b33c693175
This commit is contained in:
James Zern
2014-08-29 19:07:17 -07:00
parent 30f3b75b33
commit 5927e15bc7
3 changed files with 21 additions and 14 deletions
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16
examples/example_util.c
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@ -11,6 +11,11 @@
//
#include "./example_util.h"
#if defined(_WIN32)
#include <fcntl.h> // for _O_BINARY
#include <io.h> // for _setmode()
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -21,9 +26,18 @@
// -----------------------------------------------------------------------------
// File I/O
static const size_t kBlockSize = 16384; // default initial size
FILE* ExUtilSetBinaryMode(FILE* file) {
#if defined(_WIN32)
if (_setmode(_fileno(file), _O_BINARY) == -1) {
fprintf(stderr, "Failed to reopen file in O_BINARY mode.\n");
return NULL;
}
#endif
return file;
}
int ExUtilReadFromStdin(const uint8_t** data, size_t* data_size) {
static const size_t kBlockSize = 16384; // default initial size
size_t max_size = 0;
size_t size = 0;
uint8_t* input = NULL;