Imbus/writeimg
1
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Now includes a simple progress bar, percent only

Browse source
This commit is contained in:
Imbus 2026-02-07 14:55:05 +01:00
parent 9e96ebaca0
commit 21f2420d42
1 changed files with 28 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

27
writeimg.c
View file

@ -29,6 +29,23 @@
#define BYTES_TO_MIB(bts) ((double)bts / (1024 * 1024))
#define BAR_WIDTH 50
void print_progress(int current, int total) {
float fraction = (float)current / total;
int filled = (int)(fraction * BAR_WIDTH);
printf("\r[");
for (int i = 0; i < BAR_WIDTH; i++) {
if (i < filled)
putchar('#');
else
putchar(' ');
}
printf("] %3d%%", (int)(fraction * 100));
fflush(stdout);
}
// clang-format off
const char help[] =
"Usage:\n"
@ -81,12 +98,17 @@ int perform_write(write_job_t *job) {
assert(job->bufsize >= job->block_size);
int crc = crc32_init();
size_t b_written = 0;
while (!job->verify_only) {
ssize_t read_bytes = read(file_fd, job->buffer, job->block_size);
assert(read_bytes >= 0);
if (read_bytes == 0) {
fsync(block_fd);
crc = crc32_finalize(crc);
printf("\nWriting done...\n");
assert(job->total_bytes == b_written);
break; /* Finished */
}
@ -104,6 +126,7 @@ int perform_write(write_job_t *job) {
perror("Write");
exit(EXIT_FAILURE);
}
print_progress(b_written += written_bytes, job->total_bytes);
}
lseek(block_fd, 0, SEEK_SET);
@ -113,6 +136,7 @@ int perform_write(write_job_t *job) {
memset(job->buffer2, 0, BLOCKSIZE);
int crc_back = crc32_init();
b_written = 0;
while (1) {
ssize_t read_file = read(file_fd, job->buffer2, job->block_size);
@ -125,10 +149,13 @@ int perform_write(write_job_t *job) {
if (read_file == 0) {
crc_back = crc32_finalize(crc_back);
assert(crc_back == crc);
assert(job->total_bytes == b_written);
printf("\nVerification done!\n");
break;
}
crc_back = crc32_update(crc_back, job->buffer, read_file);
print_progress(b_written += read_block, job->total_bytes);
int cmp = memcmp((const void *)job->buffer2, (const void *)job->buffer, (size_t)read_file);
if (0 != cmp) {