39 lines
558 B
C
39 lines
558 B
C
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#include <minix/paths.h>
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#include <sys/ioc_memory.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <stdlib.h>
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int
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main(int argc, char *argv[])
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{
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int fd;
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signed long size;
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if((fd=open(_PATH_RAMDISK, O_RDONLY)) < 0) {
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perror(_PATH_RAMDISK);
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return 1;
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}
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if(argc != 2) {
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fprintf(stderr, "usage: %s <size in bytes>\n", argv[0]);
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return 1;
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}
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size = atol(argv[1]);
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if(size <= 0) {
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fprintf(stderr, "size should be positive.\n");
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return 1;
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}
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if(ioctl(fd, MIOCRAMSIZE, &size) < 0) {
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perror("MIOCRAMSIZE");
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return 1;
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}
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return 0;
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}
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