X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=fs%2Fsandbox%2Fsandboxfs.c;h=2703eed2088b44164d03c6ab5e4d6904c226e28a;hb=312a6c016a2d81aa3fbc605f5c0c315b6a4e3464;hp=ba6402c81c0a5a16ac10838cf0c5981331e9031c;hpb=7f14fb20f895016fb38d30ce71aeb4d441b5bcb8;p=u-boot diff --git a/fs/sandbox/sandboxfs.c b/fs/sandbox/sandboxfs.c index ba6402c81c..2703eed208 100644 --- a/fs/sandbox/sandboxfs.c +++ b/fs/sandbox/sandboxfs.c @@ -8,15 +8,19 @@ #include #include -int sandbox_fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info) +int sandbox_fs_set_blk_dev(struct blk_desc *rbdd, disk_partition_t *info) { - return 0; + /* + * Only accept a NULL struct blk_desc for the sandbox, which is when + * hostfs interface is used + */ + return rbdd != NULL; } -long sandbox_fs_read_at(const char *filename, unsigned long pos, - void *buffer, unsigned long maxsize) +int sandbox_fs_read_at(const char *filename, loff_t pos, void *buffer, + loff_t maxsize, loff_t *actread) { - ssize_t size; + loff_t size; int fd, ret; fd = os_open(filename, OS_O_RDONLY); @@ -27,16 +31,31 @@ long sandbox_fs_read_at(const char *filename, unsigned long pos, os_close(fd); return ret; } - if (!maxsize) - maxsize = os_get_filesize(filename); + if (!maxsize) { + ret = os_get_filesize(filename, &size); + if (ret) { + os_close(fd); + return ret; + } + + maxsize = size; + } + size = os_read(fd, buffer, maxsize); os_close(fd); - return size; + if (size < 0) { + ret = -1; + } else { + ret = 0; + *actread = size; + } + + return ret; } -long sandbox_fs_write_at(const char *filename, unsigned long pos, - void *buffer, unsigned long towrite) +int sandbox_fs_write_at(const char *filename, loff_t pos, void *buffer, + loff_t towrite, loff_t *actwrite) { ssize_t size; int fd, ret; @@ -52,7 +71,14 @@ long sandbox_fs_write_at(const char *filename, unsigned long pos, size = os_write(fd, buffer, towrite); os_close(fd); - return size; + if (size == -1) { + ret = -1; + } else { + ret = 0; + *actwrite = size; + } + + return ret; } int sandbox_fs_ls(const char *dirname) @@ -74,43 +100,42 @@ int sandbox_fs_ls(const char *dirname) int sandbox_fs_exists(const char *filename) { - ssize_t sz; + loff_t size; + int ret; - sz = os_get_filesize(filename); - return sz >= 0; + ret = os_get_filesize(filename, &size); + return ret == 0; } -int sandbox_fs_size(const char *filename) +int sandbox_fs_size(const char *filename, loff_t *size) { - return os_get_filesize(filename); + return os_get_filesize(filename, size); } void sandbox_fs_close(void) { } -int fs_read_sandbox(const char *filename, void *buf, int offset, int len) +int fs_read_sandbox(const char *filename, void *buf, loff_t offset, loff_t len, + loff_t *actread) { - int len_read; + int ret; - len_read = sandbox_fs_read_at(filename, offset, buf, len); - if (len_read == -1) { + ret = sandbox_fs_read_at(filename, offset, buf, len, actread); + if (ret) printf("** Unable to read file %s **\n", filename); - return -1; - } - return len_read; + return ret; } -int fs_write_sandbox(const char *filename, void *buf, int offset, int len) +int fs_write_sandbox(const char *filename, void *buf, loff_t offset, + loff_t len, loff_t *actwrite) { - int len_written; + int ret; - len_written = sandbox_fs_write_at(filename, offset, buf, len); - if (len_written == -1) { + ret = sandbox_fs_write_at(filename, offset, buf, len, actwrite); + if (ret) printf("** Unable to write file %s **\n", filename); - return -1; - } - return len_written; + return ret; }