#define _GNU_SOURCE
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#include <dirent.h>
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#include <libgen.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/mount.h>
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#include <errno.h>
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#include "mtdutils.h"
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#include "rk29.h"
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int run(const char *filename, char *const argv[])
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{
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struct stat s;
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int status;
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pid_t pid;
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if (stat(filename, &s) != 0) {
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fprintf(stderr, "cannot find '%s'", filename);
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return -1;
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}
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printf("executing '%s'\n", filename);
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pid = fork();
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if (pid == 0) {
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setpgid(0, getpid());
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/* execute */
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execv(filename, argv);
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fprintf(stderr, "can't run %s (%s)\n", filename, strerror(errno));
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/* exit */
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_exit(0);
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}
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if (pid < 0) {
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fprintf(stderr, "failed to fork and start '%s'\n", filename);
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return -1;
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}
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if (-1 == waitpid(pid, &status, WCONTINUED | WUNTRACED)) {
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fprintf(stderr, "wait for child error\n");
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return -1;
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}
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if (WIFEXITED(status)) {
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printf("executed '%s' done\n", filename);
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}
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printf("executed '%s' return %d\n", filename, WEXITSTATUS(status));
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return 0;
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}
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int rk_check_and_resizefs(const char *filename) {
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int result;
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const char *const e2fsck_argv[] = { "/sbin/e2fsck", "-fy", filename, NULL };
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const char *const resizefs_argv[] = { "/sbin/resize2fs", filename, NULL };
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result = run(e2fsck_argv[0], (char **) e2fsck_argv);
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if(result) {
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printf("e2fsck check '%s' failed!\n", filename);
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return result;
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}
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result = run(resizefs_argv[0], (char **) resizefs_argv);
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if(result) {
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printf("resizefs '%s' failed!\n", filename);
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}
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return result;
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}
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int rk_check_and_resizefs_f2fs(const char *filename) {
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int result;
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const char *const e2fsck_argv[] = { "fsck_f2fs", filename, NULL };
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const char *const resizefs_argv[] = { "resize.f2fs", filename, NULL };
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result = run(e2fsck_argv[0], (char **) e2fsck_argv);
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if(result) {
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printf("fsck_f2fs check '%s' failed!\n", filename);
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return result;
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}
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result = run(resizefs_argv[0], (char **) resizefs_argv);
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if(result) {
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printf("resize.f2fs '%s' failed!\n", filename);
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}
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return result;
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}
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static int make_extfs(const char *path, const char *label, const char *type)
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{
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const char *const mke2fs[] = {
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"/sbin/mke2fs", "-t", type, "-q", path, NULL,
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};
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// max-mount-counts(0) + time-dependent checking(0) + fslabel
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const char *const tune2fs[] = {
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"/sbin/tune2fs", "-c", "0", "-i", "0", "-L", label, path,
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};
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int result;
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printf("format '%s' to %s filesystem\n", path, type);
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result = run(mke2fs[0], (char **) mke2fs);
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if(result) {
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printf("failed!\n");
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return result;
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}
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result = run(tune2fs[0], (char **) tune2fs);
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if(result) {
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printf("failed!\n");
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return result;
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}
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return result;
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}
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int make_ext2(const char *path, const char *label)
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{
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return make_extfs(path, label, "ext2");
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}
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int make_ext4(const char *path, const char *label)
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{
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return make_extfs(path, label, "ext4");
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}
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int make_vfat(const char *path, const char *label)
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{
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// fat32
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const char *const mkdosfs[] = {
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"/sbin/mkdosfs", "-F", "32", "-n", label, path, NULL,
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};
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printf("format '%s' to vfat filesystem\n", path);
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return run(mkdosfs[0], (char **) mkdosfs);
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}
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int make_ntfs(const char *path, const char *label)
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{
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// compression
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const char *const mkntfs[] = {
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"mkntfs", "-F", "C", "Q", "-L", label, path, NULL,
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};
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printf("format '%s' to ntfs filesystem\n", path);
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return run(mkntfs[0], (char **) mkntfs);
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}
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#ifndef min
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#define min(a,b) ((a)<(b)?(a):(b))
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#endif
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size_t rk29_fread(void *ptr, size_t size, size_t nmemb, FILE *stream)
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{
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char buf[READ_SIZE];
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int fd;
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long begin, end;
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off_t offset;
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ssize_t sz;
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size_t count = 0, total;
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char *p = ptr;
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if (!ptr)
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return 0;
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if (!size || !nmemb)
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return 0;
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if (!stream)
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return 0;
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fd = fileno(stream);
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if (fd < 0)
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return 0;
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begin = ftell(stream);
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if (begin < 0)
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begin = 0;
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total = size * nmemb;
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if (!total)
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return 0;
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end = begin + total;
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offset = begin & ~READ_MASK;
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if (begin & READ_MASK) {
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sz = pread(fd, buf, READ_SIZE, offset);
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if (sz < READ_SIZE)
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goto out;
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count = min(end, offset + READ_SIZE) - begin;
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memcpy(p, buf + (begin & READ_MASK), count);
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p += count;
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offset += READ_SIZE;
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}
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for (; offset < (end & ~READ_MASK); offset += READ_SIZE) {
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sz = pread(fd, buf, READ_SIZE, offset);
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if (sz < READ_SIZE)
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goto out;
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count += READ_SIZE;
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memcpy(p, buf, READ_SIZE);
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p += READ_SIZE;
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}
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if (count < total && (end & READ_MASK)) {
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offset = end & ~READ_MASK;
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sz = pread(fd, buf, READ_SIZE, offset);
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if (sz < READ_SIZE)
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goto out;
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memcpy(p, buf, end - offset);
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count += end - offset;
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}
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out:
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count /= size;
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fseek(stream, begin + count * size, SEEK_SET);
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return count;
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}
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size_t rk29_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
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{
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char buf[WRITE_SIZE];
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int fd;
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long begin, end;
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off_t offset;
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ssize_t sz;
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size_t count = 0, total;
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char *p = (char *)ptr;
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if (!ptr)
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return 0;
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if (!size || !nmemb)
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return 0;
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if (!stream)
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return 0;
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fd = fileno(stream);
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if (fd < 0)
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return 0;
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begin = ftell(stream);
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if (begin < 0)
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begin = 0;
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total = size * nmemb;
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if (!total)
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return 0;
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end = begin + total;
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offset = begin & ~WRITE_MASK;
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if (begin & WRITE_MASK) {
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sz = pread(fd, buf, WRITE_SIZE, offset);
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if (sz < WRITE_SIZE)
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goto out;
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count = min(end, offset + WRITE_SIZE) - begin;
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memcpy(buf + (begin & WRITE_MASK), p, count);
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sz = pwrite(fd, buf, WRITE_SIZE, offset);
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if (sz < WRITE_SIZE)
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goto out;
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p += count;
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offset += WRITE_SIZE;
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}
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for (; offset < (end & ~WRITE_MASK); offset += WRITE_SIZE) {
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sz = pwrite(fd, p, WRITE_SIZE, offset);
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if (sz < WRITE_SIZE)
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goto out;
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count += WRITE_SIZE;
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p += WRITE_SIZE;
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}
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if (count < total && (end & WRITE_MASK)) {
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offset = end & ~WRITE_MASK;
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sz = pread(fd, buf, WRITE_SIZE, offset);
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if (sz < WRITE_SIZE)
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goto out;
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memcpy(buf, p, end - offset);
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sz = pwrite(fd, buf, WRITE_SIZE, offset);
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if (sz < WRITE_SIZE)
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goto out;
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count += end - offset;
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}
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out:
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count /= size;
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fseek(stream, begin + count * size, SEEK_SET);
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return count;
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}
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