44 lines
822 B
C
44 lines
822 B
C
#include "src/lib/string.h"
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#include "src/user/syscall.h"
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#define WRITE_S(s) write(1, s, sizeof(s) - 1);
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#define WRITE_D(s) write(1, s, string_length(s));
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uint64_t ls(const char *path) {
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uint64_t i = 0;
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while (1) {
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char out[100];
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uint64_t s = readdir(path, i, 100, out);
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if (!s) {
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return 0;
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}
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if (s == (uint64_t)-1) {
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WRITE_S("ls: path does not exist\n");
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return (uint64_t)-1;
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}
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WRITE_D(out);
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WRITE_S("\n");
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i++;
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}
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}
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uint64_t main(uint64_t argc, const char **argv) {
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if (argc == 1) {
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return ls(".");
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}
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uint64_t code = 0;
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for (uint64_t i = 1; i < argc; i++) {
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if (argc > 2) {
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WRITE_S("\n");
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WRITE_D(argv[i]);
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WRITE_S(":\n");
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}
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if (ls(argv[i]) == (uint64_t)-1) {
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code = (uint64_t)-1;
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}
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}
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return code;
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}
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