42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
#ifdef _WIN32
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#include <windows.h>
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#include "fmemopen.h"
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#include <share.h>
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#include <io.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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/* https://github.com/Arryboom/fmemopen_windows */
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FILE *fmemopen(void *buf, size_t len, __attribute__((unused)) const char *type)
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{
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int fd;
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FILE *fp;
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char tp[MAX_PATH - 13];
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char fn[MAX_PATH + 1];
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int * pfd = &fd;
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int retner = -1;
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char tfname[] = "MemTF_";
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if (!GetTempPathA(sizeof(tp), tp))
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return NULL;
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if (!GetTempFileNameA(tp, tfname, 0, fn))
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return NULL;
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wimplicit-function-declaration" //msys not happy
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retner = _sopen_s(pfd, fn, _O_CREAT | _O_SHORT_LIVED | _O_TEMPORARY | _O_RDWR | _O_BINARY | _O_NOINHERIT, _SH_DENYRW, _S_IREAD | _S_IWRITE);
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#pragma GCC diagnostic pop
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if (retner != 0)
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return NULL;
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if (fd == -1)
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return NULL;
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fp = _fdopen(fd, "wb+");
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if (!fp) {
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_close(fd);
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return NULL;
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}
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/*File descriptors passed into _fdopen are owned by the returned FILE * stream.If _fdopen is successful, do not call _close on the file descriptor.Calling fclose on the returned FILE * also closes the file descriptor.*/
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fwrite(buf, len, 1, fp);
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rewind(fp);
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return fp;
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}
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#endif
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