40 lines
712 B
C
40 lines
712 B
C
/* See LICENSE file for copyright and license details. */
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#include <fcntl.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "util.h"
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static void
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usage(void)
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{
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eprintf("usage: %s file\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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char tmp[] = "/tmp/sponge-XXXXXX";
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int fd, tmpfd;
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argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0;
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if (argc != 1)
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usage();
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if ((tmpfd = mkstemp(tmp)) < 0)
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eprintf("mkstemp:");
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unlink(tmp);
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if (concat(0, "<stdin>", tmpfd, "<tmpfile>") < 0)
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return 1;
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if (lseek(tmpfd, 0, SEEK_SET) < 0)
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eprintf("lseek:");
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if ((fd = creat(argv[0], 0666)) < 0)
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eprintf("creat %s:", argv[0]);
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if (concat(tmpfd, "<tmpfile>", fd, argv[0]) < 0)
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return 1;
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return 0;
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}
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