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#include "contrib/fctx/fct.h"
#include <stdlib.h>
#include <errno.h>
#include <stdlib.h>
#include "lib/dmsdos.h"
#include "lib/lib_interface.h"
#define SECSZ 512
static int create_image(int fd) {
FILE* src = popen("cat data/DRVSPACE.001.xz | unxz", "r");
if (!src) {
perror("unable to open data source: ");
return -1;
}
FILE* dst = fdopen(fd, "r+");
if (!dst) {
perror("fdopen error: ");
fclose(src);
return -1;
}
char buf[1024];
size_t bytes;
while (0 < (bytes = fread(buf, 1, sizeof(buf), src)))
fwrite(buf, 1, bytes, dst);
if (fclose(dst) == -1) {
perror("fclose error: ");
return -1;
}
if (pclose(src) == -1) {
perror("pclose error: ");
return -1;
}
return 0;
}
static int prepare_env(char* template) {
int temp_fd = mkstemp(template);
if (temp_fd < 0) {
perror("mkstemp failed: ");
return -1;
}
// if (unlink(template) < 0) {
// perror("unlink failed: ");
// return -1;
// }
if (create_image(temp_fd) < 0) {
return -1;
}
return temp_fd;
}
#define PREPARE_ENV \
char template[] = "/tmp/dmsdos_ut_XXXXXX"; \
do { \
int fd = prepare_env(template); \
fct_chk(fd > 0); \
} while (0) \
static int check_short_filename(const unsigned char* data, short offset,
const char* expected)
{
char filename[9] = {0};
int j = 0;
while (j < 8 && data[offset + j] != ' ') {
filename[j] = data[offset + j];
j++;
}
return strcmp(filename, expected) == 0;
}
FCT_BGN()
{
FCT_SUITE_BGN(RW)
{
FCT_TEST_BGN(UpdateDirEntry)
{
PREPARE_ENV;
struct super_block* sb = open_cvf(template, 1);
fct_chk(sb);
Dblsb* dblsb = MSDOS_SB(sb)->private_data;
fct_chk(dblsb);
size_t sz = dblsb->s_sectperclust * SECSZ;
unsigned char* data = malloc(sz);
fct_chk(data);
// Read directory
int i = dmsdos_read_cluster(sb, data, 6);
fct_chk(i > 0);
fct_chk(check_short_filename(data, 96, "TESTFI~1"));
data[96] = 'X';
// Write new cluster
dmsdos_write_cluster(sb, data, sz, 6, 0, UC_NORMAL);
memset(data, 0, sz);
// Read directory again
i = dmsdos_read_cluster(sb, data, 6);
fct_chk(i > 0);
fct_chk(check_short_filename(data, 96, "XESTFI~1"));
close_cvf(sb);
sb = open_cvf(template, 1);
fct_chk(sb);
dblsb = MSDOS_SB(sb)->private_data;
fct_chk(dblsb);
// Read directory again
i = dmsdos_read_cluster(sb, data, 6);
fct_chk(i > 0);
fct_chk(check_short_filename(data, 96, "XESTFI~1"));
}
FCT_TEST_END();
}
FCT_SUITE_END();
}
FCT_END();
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