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29 lines
593 B
29 lines
593 B
#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <string.h>
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#include <stdlib.h>
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#include "syscall.h"
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#include "kstat.h"
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#define MAXTRIES 100
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char *tmpnam(char *buf)
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{
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static char internal[L_tmpnam];
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char s[] = "/tmp/tmpnam_XXXXXX";
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int try;
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int r;
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for (try=0; try<MAXTRIES; try++) {
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__randname(s+12);
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#ifdef SYS_lstat
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r = __syscall(SYS_lstat, s, &(struct kstat){0});
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#else
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r = __syscall(SYS_fstatat, AT_FDCWD, s,
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&(struct kstat){0}, AT_SYMLINK_NOFOLLOW);
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#endif
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if (r == -ENOENT) return strcpy(buf ? buf : internal, s);
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}
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return 0;
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}
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