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src/stdio/tmpfile.c

 

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#include <stdio.h>

 

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#include <fcntl.h>

 

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#include <unistd.h>

 

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#include "stdio_impl.h"

 

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#define MAXTRIES 100

 

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FILE *tmpfile(void)

 

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{

 

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        char buf[L_tmpnam], *s;

 

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        int fd;

 

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        FILE *f;

 

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        int try;

 

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        for (try=0; try<MAXTRIES; try++) {

 

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                s = tmpnam(buf);

 

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                if (!s) return 0;

 

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                fd = syscall(SYS_open, s, O_RDWR|O_CREAT|O_EXCL|O_LARGEFILE, 0600);

 

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                if (fd >= 0) {

 

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                        f = __fdopen(fd, "w+");

 

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                        __syscall(SYS_unlink, s);

 

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                        return f;

 

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                }

 

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        }

 

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        return 0;

 

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}

 

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LFS64(tmpfile);

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