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wasi-sdk/tests/general/opendir.c

73 lines
1.6 KiB

#include <fcntl.h>
#include <string.h>
#include <stdbool.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <dirent.h>
#include <errno.h>
#include <limits.h>
#include <sys/stat.h>
#include <unistd.h>
#define perror_and_exit(message) \
do { \
perror(message); \
return EXIT_FAILURE; \
} while (0)
#define OFFSET 10726
#define LENGTH 143
int main(int argc, char *argv[]) {
if (argc != 2) {
fprintf(stderr, "usage: %s <dir>\n", argv[0]);
return EXIT_FAILURE;
}
DIR *dir = opendir(argv[1]);
if (dir == NULL) {
perror_and_exit("opendir");
}
int count = 0;
int zeros = 0;
errno = 0;
for (;; count += 1) {
struct dirent *ent = readdir(dir);
if (ent == NULL) {
if (errno == 0) {
break;
}
perror_and_exit("readdir");
}
if (strcmp(ent->d_name, "file.md") == 0) {
assert(ent->d_type == DT_REG);
} else if (strcmp(ent->d_name, "dir") == 0) {
assert(ent->d_type == DT_DIR);
} else if (strcmp(ent->d_name, "file-symlink") == 0) {
assert(ent->d_type == DT_LNK);
} else if (strcmp(ent->d_name, "dir-symlink") == 0) {
assert(ent->d_type == DT_LNK);
} else if (strcmp(ent->d_name, ".") == 0) {
assert(ent->d_type == DT_DIR);
} else if (strcmp(ent->d_name, "..") == 0) {
assert(ent->d_type == DT_DIR);
} else {
assert(false);
}
if (ent->d_ino == 0) {
zeros += 1;
}
}
assert(count == 6);
assert(zeros <= 1);
if (closedir(dir) != 0)
perror_and_exit("closedir");
return EXIT_SUCCESS;
}