diff options
Diffstat (limited to 'exfat/libexfat')
| -rw-r--r-- | exfat/libexfat/exfat.h | 4 | ||||
| -rw-r--r-- | exfat/libexfat/node.c | 19 |
2 files changed, 12 insertions, 11 deletions
diff --git a/exfat/libexfat/exfat.h b/exfat/libexfat/exfat.h index 3e4223e5d..a6a9f706d 100644 --- a/exfat/libexfat/exfat.h +++ b/exfat/libexfat/exfat.h @@ -46,6 +46,7 @@ #define MAX(a, b) ((a) > (b) ? (a) : (b)) #define DIV_ROUND_UP(x, d) (((x) + (d) - 1) / (d)) #define ROUND_UP(x, d) (DIV_ROUND_UP(x, d) * (d)) +#define UTF8_BYTES(c) ((c) * 6) /* UTF-8 character can occupy up to 6 bytes */ #define BMAP_GET(bitmap, index) \ (((uint8_t*) bitmap)[(index) / 8] & (1u << ((index) % 8))) @@ -98,8 +99,7 @@ struct exfat bool dirty; } cmap; - char label[EXFAT_ENAME_MAX * 6 + 1]; /* a character can occupy up to - 6 bytes in UTF-8 */ + char label[UTF8_BYTES(EXFAT_ENAME_MAX) + 1]; void* zero_cluster; int dmask, fmask; uid_t uid; diff --git a/exfat/libexfat/node.c b/exfat/libexfat/node.c index c2ee0da38..f89b5731d 100644 --- a/exfat/libexfat/node.c +++ b/exfat/libexfat/node.c @@ -44,8 +44,8 @@ void exfat_put_node(struct exfat* ef, struct exfat_node* node) { if (--node->references < 0) { - char buffer[EXFAT_NAME_MAX + 1]; - exfat_get_name(node, buffer, EXFAT_NAME_MAX); + char buffer[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; + exfat_get_name(node, buffer, sizeof(buffer) - 1); exfat_bug("reference counter of `%s' is below zero", buffer); } @@ -293,9 +293,9 @@ static int readdir(struct exfat* ef, const struct exfat_node* parent, */ if (real_size != (*node)->size) { - char buffer[EXFAT_NAME_MAX + 1]; + char buffer[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; - exfat_get_name(*node, buffer, EXFAT_NAME_MAX); + exfat_get_name(*node, buffer, sizeof(buffer) - 1); exfat_error("`%s' real size does not equal to size " "(%"PRIu64" != %"PRIu64")", buffer, real_size, (*node)->size); @@ -303,9 +303,9 @@ static int readdir(struct exfat* ef, const struct exfat_node* parent, } if (actual_checksum != reference_checksum) { - char buffer[EXFAT_NAME_MAX + 1]; + char buffer[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; - exfat_get_name(*node, buffer, EXFAT_NAME_MAX); + exfat_get_name(*node, buffer, sizeof(buffer) - 1); exfat_error("`%s' has invalid checksum (0x%hx != 0x%hx)", buffer, actual_checksum, reference_checksum); goto error; @@ -389,7 +389,7 @@ static int readdir(struct exfat* ef, const struct exfat_node* parent, goto error; } if (utf16_to_utf8(ef->label, label->name, - sizeof(ef->label), EXFAT_ENAME_MAX) != 0) + sizeof(ef->label) - 1, EXFAT_ENAME_MAX) != 0) goto error; break; @@ -493,8 +493,8 @@ static void reset_cache(struct exfat* ef, struct exfat_node* node) node->flags &= ~EXFAT_ATTRIB_CACHED; if (node->references != 0) { - char buffer[EXFAT_NAME_MAX + 1]; - exfat_get_name(node, buffer, EXFAT_NAME_MAX); + char buffer[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; + exfat_get_name(node, buffer, sizeof(buffer) - 1); exfat_warn("non-zero reference counter (%d) for `%s'", node->references, buffer); } @@ -1051,5 +1051,6 @@ int exfat_set_label(struct exfat* ef, const char* label) exfat_pwrite(ef->dev, &entry, sizeof(struct exfat_entry_label), co2o(ef, cluster, offset)); + strcpy(ef->label, label); return 0; } |