diff options
Diffstat (limited to 'ubi-utils/src')
| -rw-r--r-- | ubi-utils/src/libubimirror.c | 49 |
1 files changed, 23 insertions, 26 deletions
diff --git a/ubi-utils/src/libubimirror.c b/ubi-utils/src/libubimirror.c index d8ea548..2197260 100644 --- a/ubi-utils/src/libubimirror.c +++ b/ubi-utils/src/libubimirror.c @@ -54,10 +54,10 @@ static ssize_t fill_buffer(int fd, unsigned char *buf, ssize_t len) do { got = read(fd, buf + have, len - have); - if( got == -1 && errno != EINTR ) + if (got == -1 && errno != EINTR) return -1; have += got; - } while ( got > 0 && have < len); + } while (got > 0 && have < len); return have; } @@ -71,10 +71,10 @@ static ssize_t flush_buffer(int fd, unsigned char *buf, ssize_t len) do { done = write(fd, buf + have, len - have); - if( done == -1 && errno != EINTR ) + if (done == -1 && errno != EINTR) return -1; have += done; - } while ( done > 0 && have < len); + } while (done > 0 && have < len); return have; } @@ -88,8 +88,7 @@ static ssize_t flush_buffer(int fd, unsigned char *buf, ssize_t len) * fd_a is source * fd_b is destination */ -static int -compare_files(int fd_a, int fd_b) +static int compare_files(int fd_a, int fd_b) { unsigned char buf_a[COMPARE_BUF_SIZE], buf_b[COMPARE_BUF_SIZE]; ssize_t len_a, len_b; @@ -97,61 +96,59 @@ compare_files(int fd_a, int fd_b) for (;;) { len_a = fill_buffer(fd_a, buf_a, sizeof(buf_a)); - if (len_a == -1){ + if (len_a == -1) { rc = compare_error; break; } len_b = fill_buffer(fd_b, buf_b, sizeof(buf_b)); - if (len_b == -1){ + if (len_b == -1) { rc = compare_different; break; } - if( len_a != len_b ){ + if (len_a != len_b) { rc = compare_different; break; } - if( len_a == 0 ){ /* Size on both filies equal and EOF */ + if (len_a == 0) { /* Size on both files equal and EOF */ rc = compare_equal; break; } - if( memcmp(buf_a, buf_b, len_a) != 0 ){ + if (memcmp(buf_a, buf_b, len_a) != 0 ) { rc = compare_different; break; } } /* Position both files at the beginning */ - if( lseek(fd_a, 0, SEEK_SET) == -1 || - lseek(fd_b, 0, SEEK_SET) == -1 ) + if (lseek(fd_a, 0, SEEK_SET) == -1 || + lseek(fd_b, 0, SEEK_SET) == -1) rc = seek_error; return rc; } -static int -copy_files(int fd_in, int fd_out) +static int copy_files(int fd_in, int fd_out) { unsigned char buf_a[COMPARE_BUF_SIZE]; ssize_t len_a, len_b; unsigned long long update_size, copied; - if( ubi_vol_get_used_bytes(fd_in, &update_size) == -1 || - ubi_vol_update(fd_out, update_size) == -1 ) + if (ubi_vol_get_used_bytes(fd_in, &update_size) == -1 || + ubi_vol_update(fd_out, update_size) == -1) return update_error; - for( copied = 0; copied < update_size; copied += len_b ){ + for (copied = 0; copied < update_size; copied += len_b ) { len_a = fill_buffer(fd_in, buf_a, sizeof(buf_a)); if (len_a == -1) return read_error; if (len_a == 0) /* Reach EOF */ return 0; len_b = flush_buffer(fd_out, buf_a, len_a); - if( len_b != len_a ) + if (len_b != len_a) return write_error; } return 0; } -int -ubimirror(uint32_t devno, int seqnum, uint32_t *ids, ssize_t ids_size, - char *err_buf, size_t err_buf_size) +int ubimirror(uint32_t devno, int seqnum, uint32_t *ids, ssize_t ids_size, + char *err_buf, size_t err_buf_size) { int rc = 0; uint32_t src_id; @@ -173,7 +170,7 @@ ubimirror(uint32_t devno, int seqnum, uint32_t *ids, ssize_t ids_size, return ubi_error; fd_in = ubi_vol_open(ulib, devno, src_id, O_RDONLY); - if (fd_in == -1){ + if (fd_in == -1) { EBUF("open error source volume %d", ids[i]); rc = open_error; goto err; @@ -190,7 +187,7 @@ ubimirror(uint32_t devno, int seqnum, uint32_t *ids, ssize_t ids_size, goto err; } rc = compare_files(fd_in, fd_out); - if (rc < 0 ){ + if (rc < 0) { EBUF("compare error volume %d and %d", src_id, ids[i]); goto err; } @@ -199,11 +196,11 @@ ubimirror(uint32_t devno, int seqnum, uint32_t *ids, ssize_t ids_size, EBUF("mirror error volume %d to %d", src_id, ids[i]); goto err; } - if( (rc = ubi_vol_close(fd_out)) == -1 ){ + if ((rc = ubi_vol_close(fd_out)) == -1) { EBUF("close error volume %d", ids[i]); rc = close_error; goto err; - }else + } else fd_out = -1; } err: |