| 42,33 → 42,25 |
|---|
| #include "data.h" |
| |
| #define min(a,b) ((a)>(b) ? (b) : (a)) |
| int main(int argc, char *argv[]) |
| |
| int write_file(const uint8_t *data, size_t length, const char *file_name) |
| { |
| int fd; |
| int cnt; |
| int rc; |
| int nbytes; |
| uint8_t *dp; |
| int written; |
| int fd; |
| int cnt; |
| |
| printf("This is iramfs\n"); |
| do { |
| rc = mount("tmpfs", "/", "nulldev0"); |
| printf("mount tmpfs on / -> %d\n", rc); |
| if (rc == 0) break; |
| printf("Create %s\n", file_name); |
| |
| usleep(1000 * 1000); |
| } while (1); |
| |
| fd = open(file_name, O_CREAT); |
| if (fd < 0) { printf("open failed\n"); return -1; } |
| |
| fd = open(data_filename, O_CREAT); |
| if (fd < 0) { printf("open failed\n"); return 1; } |
| |
| printf("write %d bytes...\n", data_size); |
| nbytes = data_size; dp = data; written = 0; |
| printf("write %d bytes...\n", length); |
| nbytes = length; dp = data; written = 0; |
| while (nbytes > 0) { |
| cnt = write(fd, dp, min(4096, nbytes)); |
| if (cnt < 0) { printf("write failed\n"); return 1; } |
| if (cnt < 0) { printf("write failed\n"); return -1; } |
| dp += cnt; |
| written += cnt; |
| nbytes -= cnt; |
| 78,6 → 70,25 |
|---|
| printf("\n\nwritten %d bytes\n", written); |
| close(fd); |
| |
| return 0; |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| int rc; |
| |
| printf("This is iramfs\n"); |
| do { |
| rc = mount("tmpfs", "/", "nulldev0"); |
| printf("mount tmpfs on / -> %d\n", rc); |
| if (rc == 0) break; |
| |
| usleep(1000 * 1000); |
| } while (1); |
| |
| if (write_file(rtld, rtld_size, rtld_filename) < 0) return 1; |
| if (write_file(tetris, tetris_size, tetris_filename) < 0) return 1; |
| |
| printf("done\n"); |
| getchar(); |
| return 0; |