22 lines
475 B
C
22 lines
475 B
C
#include <sys/mman.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <skalibs/strerr2.h>
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#include <skalibs/env.h>
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#include <skalibs/exec.h>
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#define USAGE "fdcreate name prog..."
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int main(int argc, char const *const *argv) {
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PROG = "fdcreate";
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if (argc < 3) strerr_dieusage(100, USAGE);
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int fd = memfd_create(argv[1], 0);
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if (fd < 0) strerr_diefu1sys(111, "memfd_create");
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char fd_str[10];
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sprintf(fd_str, "%d", fd);
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setenv(argv[1], fd_str, 1);
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xexec(argv+2);
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}
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