44 lines
758 B
C
44 lines
758 B
C
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#include "types.h"
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#include "stat.h"
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#include "user.h"
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#include "fs.h"
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char buf[512];
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struct stat stat;
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struct dirent dirent;
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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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uint off;
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if(argc > 1){
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puts("Usage: ls\n");
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exit();
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}
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fd = open(".", 0);
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if(fd < 0){
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printf(2, "ls: cannot open .\n");
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exit();
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}
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if (fstat(fd, &stat) < 0) {
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printf(2, "ls: cannot open .\n");
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exit();
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}
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if (stat.st_type != T_DIR) {
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printf(2, "ls: . is not a dir\n");
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}
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for(off = 0; off < stat.st_size; off += sizeof(struct dirent)) {
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if (read(fd, &dirent, sizeof(struct dirent)) != sizeof(struct dirent)) {
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printf(2, "ls: read error\n");
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exit();
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}
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printf(1, "%s\n", dirent.name);
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}
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close(fd);
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exit();
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}
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