45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
/* This file is part of the sample code and exercises
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* used by the class "Advanced Programming in the UNIX
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* Environment" taught by Jan Schaumann
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* <jschauma@netmeister.org> at Stevens Institute of
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* Technology.
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*
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* This file is in the public domain.
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*
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* You don't have to, but if you feel like
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* acknowledging where you got this code, you may
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* reference me by name, email address, or point
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* people to the course website:
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* https://stevens.netmeister.org/631/
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*/
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/* This simple program displays the stat data relevant to file sizes. */
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#include <sys/stat.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int
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main(int argc, char **argv) {
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struct stat sb;
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if (argc != 2) {
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fprintf(stderr, "usage: %s file\n", argv[0]);
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exit(1);
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}
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if (lstat(argv[1], &sb) == -1) {
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fprintf(stderr, "Can't stat %s: %s\n", argv[1],
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strerror(errno));
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exit(1);
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}
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printf("st_size : %d\n", (int)sb.st_size);
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printf("st_blocks : %d\n", (int)sb.st_blocks);
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printf("st_blksize: %d\n", (int)sb.st_blksize);
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exit(0);
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}
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