diff options
Diffstat (limited to 'emubd/lfs_emubd.c')
| -rw-r--r-- | emubd/lfs_emubd.c | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/emubd/lfs_emubd.c b/emubd/lfs_emubd.c index b24cb0a..7acd8f7 100644 --- a/emubd/lfs_emubd.c +++ b/emubd/lfs_emubd.c @@ -14,6 +14,8 @@ #include <dirent.h> #include <sys/stat.h> #include <unistd.h> +#include <assert.h> +#include <stdbool.h> // Block device emulated on existing filesystem @@ -76,12 +78,10 @@ int lfs_emubd_read(lfs_emubd_t *emu, lfs_block_t block, uint8_t *data = buffer; // Check if read is valid - if (!(off % emu->info.read_size == 0 && - size % emu->info.read_size == 0 && - ((uint64_t)block*emu->info.erase_size + off + size - < emu->info.total_size))) { - return -EINVAL; - } + assert(off % emu->info.read_size == 0); + assert(size % emu->info.read_size == 0); + assert((uint64_t)block*emu->info.erase_size + off + size + < emu->info.total_size); // Zero out buffer for debugging memset(data, 0, size); @@ -128,12 +128,10 @@ int lfs_emubd_prog(lfs_emubd_t *emu, lfs_block_t block, const uint8_t *data = buffer; // Check if write is valid - if (!(off % emu->info.prog_size == 0 && - size % emu->info.prog_size == 0 && - ((uint64_t)block*emu->info.erase_size + off + size - < emu->info.total_size))) { - return -EINVAL; - } + assert(off % emu->info.prog_size == 0); + assert(size % emu->info.prog_size == 0); + assert((uint64_t)block*emu->info.erase_size + off + size + < emu->info.total_size); // Iterate over blocks until enough data is read while (size > 0) { @@ -177,12 +175,10 @@ int lfs_emubd_erase(lfs_emubd_t *emu, lfs_block_t block, lfs_off_t off, lfs_size_t size) { // Check if erase is valid - if (!(off % emu->info.erase_size == 0 && - size % emu->info.erase_size == 0 && - ((uint64_t)block*emu->info.erase_size + off + size - < emu->info.total_size))) { - return -EINVAL; - } + assert(off % emu->info.erase_size == 0); + assert(size % emu->info.erase_size == 0); + assert((uint64_t)block*emu->info.erase_size + off + size + < emu->info.total_size); // Iterate and erase blocks while (size > 0) { |