X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf%2Ftypes%2Finteger.c;h=b2c429f5129e095ac82412650cd3698ccfb9efdb;hp=316a088873a79a428518b4eaf888e2553b4b7eef;hb=bed864a75d2315c344a6e625db66ae9bfbc51e27;hpb=90b676d73fc6f817958083c0f159028a2f0b40ca diff --git a/formats/ctf/types/integer.c b/formats/ctf/types/integer.c index 316a0888..b2c429f5 100644 --- a/formats/ctf/types/integer.c +++ b/formats/ctf/types/integer.c @@ -25,37 +25,44 @@ #include #include -uint64_t ctf_uint_read(const uint8_t *ptr, size_t len, int byte_order) +uint64_t ctf_uint_read(struct stream_pos *pos, + const struct type_class_integer *int_class) { - int rbo = (byte_order != BYTE_ORDER); /* reverse byte order */ + int rbo = (int_class->byte_order != BYTE_ORDER); /* reverse byte order */ - switch (len) { + align_pos(pos, int_class->p.alignment); + assert(!(pos->offset % CHAR_BIT)); + switch (int_class->len) { case 8: { uint8_t v; - v = *(const uint8_t *)ptr; + v = *(const uint8_t *)pos->base; + move_pos(pos, int_class->len); return v; } case 16: { uint16_t v; - v = *(const uint16_t *)ptr; + v = *(const uint16_t *)pos->base; + move_pos(pos, int_class->len); return rbo ? GUINT16_SWAP_LE_BE(v) : v; } case 32: { uint32_t v; - v = *(const uint32_t *)ptr; + v = *(const uint32_t *)pos->base; + move_pos(pos, int_class->len); return rbo ? GUINT32_SWAP_LE_BE(v) : v; } case 64: { uint64_t v; - v = *(const uint64_t *)ptr; + v = *(const uint64_t *)pos->base; + move_pos(pos, int_class->len); return rbo ? GUINT64_SWAP_LE_BE(v) : v; } default: @@ -63,37 +70,44 @@ uint64_t ctf_uint_read(const uint8_t *ptr, size_t len, int byte_order) } } -int64_t ctf_int_read(const uint8_t *ptr, size_t len, int byte_order) +int64_t ctf_int_read(struct stream_pos *pos, + const struct type_class_integer *int_class) { - int rbo = (byte_order != BYTE_ORDER); /* reverse byte order */ + int rbo = (int_class->byte_order != BYTE_ORDER); /* reverse byte order */ - switch (len) { + align_pos(pos, int_class->p.alignment); + assert(!(pos->offset % CHAR_BIT)); + switch (int_class->len) { case 8: { int8_t v; - v = *(const int8_t *)ptr; + v = *(const int8_t *)pos->base; + move_pos(pos, int_class->len); return v; } case 16: { int16_t v; - v = *(const int16_t *)ptr; + v = *(const int16_t *)pos->base; + move_pos(pos, int_class->len); return rbo ? GUINT16_SWAP_LE_BE(v) : v; } case 32: { int32_t v; - v = *(const int32_t *)ptr; + v = *(const int32_t *)pos->base; + move_pos(pos, int_class->len); return rbo ? GUINT32_SWAP_LE_BE(v) : v; } case 64: { int64_t v; - v = *(const int64_t *)ptr; + v = *(const int64_t *)pos->base; + move_pos(pos, int_class->len); return rbo ? GUINT64_SWAP_LE_BE(v) : v; } default: @@ -101,58 +115,73 @@ int64_t ctf_int_read(const uint8_t *ptr, size_t len, int byte_order) } } -size_t ctf_uint_write(uint8_t *ptr, size_t len, int byte_order, uint64_t v) +void ctf_uint_write(struct stream_pos *pos, + const struct type_class_integer *int_class, + uint64_t v) { - int rbo = (byte_order != BYTE_ORDER); /* reverse byte order */ + int rbo = (int_class->byte_order != BYTE_ORDER); /* reverse byte order */ - if (!ptr) + align_pos(pos, int_class->p.alignment); + assert(!(pos->offset % CHAR_BIT)); + if (pos->dummy) goto end; - switch (len) { - case 8: *(uint8_t *)ptr = (uint8_t) v; + switch (int_class->len) { + case 8: *(uint8_t *) get_pos_addr(pos) = (uint8_t) v; break; case 16: - *(uint16_t *)ptr = rbo ? GUINT16_SWAP_LE_BE((uint16_t) v) : + *(uint16_t *) get_pos_addr(pos) = rbo ? + GUINT16_SWAP_LE_BE((uint16_t) v) : (uint16_t) v; break; case 32: - *(uint32_t *)ptr = rbo ? GUINT32_SWAP_LE_BE((uint32_t) v) : + *(uint32_t *) get_pos_addr(pos) = rbo ? + GUINT32_SWAP_LE_BE((uint32_t) v) : (uint32_t) v; break; case 64: - *(uint64_t *)ptr = rbo ? GUINT64_SWAP_LE_BE(v) : v; + *(uint64_t *) get_pos_addr(pos) = rbo ? + GUINT64_SWAP_LE_BE(v) : v; break; default: assert(0); } end: - return len; + move_pos(pos, int_class->len); } -size_t ctf_int_write(uint8_t *ptr, size_t len, int byte_order, int64_t v) +void ctf_int_write(struct stream_pos *pos, + const struct type_class_integer *int_class, + int64_t v) { - int rbo = (byte_order != BYTE_ORDER); /* reverse byte order */ + int rbo = (int_class->byte_order != BYTE_ORDER); /* reverse byte order */ - if (!ptr) + align_pos(pos, int_class->p.alignment); + assert(!(pos->offset % CHAR_BIT)); + if (pos->dummy) goto end; - switch (len) { - case 8: *(int8_t *)ptr = (int8_t) v; + switch (int_class->len) { + case 8: *(int8_t *) get_pos_addr(pos) = (int8_t) v; break; case 16: - *(int16_t *)ptr = rbo ? GUINT16_SWAP_LE_BE((int16_t) v) : + *(int16_t *) get_pos_addr(pos) = rbo ? + GUINT16_SWAP_LE_BE((int16_t) v) : (int16_t) v; break; case 32: - *(int32_t *)ptr = rbo ? GUINT32_SWAP_LE_BE((int32_t) v) : + *(int32_t *) get_pos_addr(pos) = rbo ? + GUINT32_SWAP_LE_BE((int32_t) v) : (int32_t) v; break; case 64: - *(int64_t *)ptr = rbo ? GUINT64_SWAP_LE_BE(v) : v; + *(int64_t *) get_pos_addr(pos) = rbo ? + GUINT64_SWAP_LE_BE(v) : v; break; default: assert(0); } end: - return len; + move_pos(pos, int_class->len); + return; }