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Fix fopen on windows share files with read and share permissions.

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lifegpc
2025-12-23 10:52:20 +08:00
parent 9dfedd6187
commit a1c54beffe
1 changed files with 26 additions and 0 deletions
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26
stream.h
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@@ -6,6 +6,18 @@
#include <vector> #include <vector>
#include <string.h> #include <string.h>
#include "cstr_util.h" #include "cstr_util.h"
#if _WIN32
#include <fcntl.h>
#ifndef _SH_DENYWR
#define _SH_DENYWR 0x20
#endif
#ifndef _O_BINARY
#define _O_BINARY 0x8000
#endif
#ifndef _O_RDONLY
#define _O_RDONLY 0x0000
#endif
#endif
class ReadStream { class ReadStream {
public: public:
@@ -93,10 +105,24 @@ public:
* @param filename File name (on Windows, UTF-8 encoding is supported) * @param filename File name (on Windows, UTF-8 encoding is supported)
*/ */
FileReadStream(const char* filename) { FileReadStream(const char* filename) {
#if _WIN32
int fd = 0;
int re = fileop::open(filename, fd, _O_RDONLY | _O_BINARY, _SH_DENYWR);
if (re != 0) {
errored = true;
return;
}
fp = fileop::fdopen(fd, "rb");
if (!fp) {
errored = true;
fileop::close(fd);
}
#else
fp = fileop::fopen(filename, "rb"); fp = fileop::fopen(filename, "rb");
if (!fp) { if (!fp) {
errored = true; errored = true;
} }
#endif
} }
virtual size_t read(uint8_t* buf, size_t size) { virtual size_t read(uint8_t* buf, size_t size) {
if (!fp) return 0; if (!fp) return 0;