X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=formats%2Fctf%2Ftypes%2Fsequence.c;h=6aa5750cdb10d6a8373a16fd7ac517325ef590c8;hb=c34ea0fad3f9900c3b97efa229d221927422dacf;hp=127c6588ef33fedff14362138a29a3b29c69ad88;hpb=e19c3d69b39d2fa422ab54b5ec7192799f536680;p=babeltrace.git diff --git a/formats/ctf/types/sequence.c b/formats/ctf/types/sequence.c index 127c6588..6aa5750c 100644 --- a/formats/ctf/types/sequence.c +++ b/formats/ctf/types/sequence.c @@ -3,7 +3,9 @@ * * Sequence format access functions. * - * Copyright 2010 - Mathieu Desnoyers + * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation + * + * Author: Mathieu Desnoyers * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -18,13 +20,71 @@ #include -void ctf_sequence_begin(struct stream_pos *pos, - const struct type_sequence *sequence_type) +int ctf_sequence_read(struct stream_pos *ppos, struct definition *definition) { - align_pos(pos, sequence_type->p.alignment); + struct definition_sequence *sequence_definition = + container_of(definition, struct definition_sequence, p); + struct declaration_sequence *sequence_declaration = + sequence_definition->declaration; + struct declaration *elem = sequence_declaration->elem; + struct ctf_stream_pos *pos = ctf_pos(ppos); + + if (elem->id == CTF_TYPE_INTEGER) { + struct declaration_integer *integer_declaration = + container_of(elem, struct declaration_integer, p); + + if (integer_declaration->encoding == CTF_STRING_UTF8 + || integer_declaration->encoding == CTF_STRING_ASCII) { + + if (integer_declaration->len == CHAR_BIT + && integer_declaration->p.alignment == CHAR_BIT) { + uint64_t len = sequence_len(sequence_definition); + + ctf_align_pos(pos, integer_declaration->p.alignment); + if (!ctf_pos_access_ok(pos, len * CHAR_BIT)) + return -EFAULT; + + g_string_assign(sequence_definition->string, ""); + g_string_insert_len(sequence_definition->string, + 0, (char *) ctf_get_pos_addr(pos), len); + ctf_move_pos(pos, len * CHAR_BIT); + return 0; + } + } + } + return sequence_rw(ppos, definition); } -void ctf_sequence_end(struct stream_pos *pos, - const struct type_sequence *sequence_type) +int ctf_sequence_write(struct stream_pos *ppos, struct definition *definition) { + struct definition_sequence *sequence_definition = + container_of(definition, struct definition_sequence, p); + struct declaration_sequence *sequence_declaration = + sequence_definition->declaration; + struct declaration *elem = sequence_declaration->elem; + struct ctf_stream_pos *pos = ctf_pos(ppos); + + if (elem->id == CTF_TYPE_INTEGER) { + struct declaration_integer *integer_declaration = + container_of(elem, struct declaration_integer, p); + + if (integer_declaration->encoding == CTF_STRING_UTF8 + || integer_declaration->encoding == CTF_STRING_ASCII) { + + if (integer_declaration->len == CHAR_BIT + && integer_declaration->p.alignment == CHAR_BIT) { + uint64_t len = sequence_len(sequence_definition); + + ctf_align_pos(pos, integer_declaration->p.alignment); + if (!ctf_pos_access_ok(pos, len * CHAR_BIT)) + return -EFAULT; + + memcpy((char *) ctf_get_pos_addr(pos), + sequence_definition->string->str, len); + ctf_move_pos(pos, len * CHAR_BIT); + return 0; + } + } + } + return sequence_rw(ppos, definition); }