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Merge branch 'master' into bindings/python
[babeltrace.git]
/
formats
/
ctf
/
types
/
string.c
diff --git
a/formats/ctf/types/string.c
b/formats/ctf/types/string.c
index a2433bf5922d2013e80f19a1e1897842657de535..002f1b4fb335f5bb34d776fa79d36b5f9bf83c35 100644
(file)
--- a/
formats/ctf/types/string.c
+++ b/
formats/ctf/types/string.c
@@
-39,19
+39,21
@@
int ctf_string_read(struct bt_stream_pos *ppos, struct bt_definition *definition
string_definition->declaration;
struct ctf_stream_pos *pos = ctf_pos(ppos);
size_t len;
string_definition->declaration;
struct ctf_stream_pos *pos = ctf_pos(ppos);
size_t len;
- ssize_t max_len;
+ ssize_t max_len
_bits
;
char *srcaddr;
char *srcaddr;
- ctf_align_pos(pos, string_declaration->p.alignment);
+ if (!ctf_align_pos(pos, string_declaration->p.alignment))
+ return -EFAULT;
srcaddr = ctf_get_pos_addr(pos);
if (pos->offset == EOF)
return -EFAULT;
srcaddr = ctf_get_pos_addr(pos);
if (pos->offset == EOF)
return -EFAULT;
- /* Not counting \0 */
- max_len
= pos->packet_size - pos->offset - 1
;
- if (max_len < 0)
+ /* Not counting \0
. Counting in bits.
*/
+ max_len
_bits = pos->packet_size - pos->offset - CHAR_BIT
;
+ if (max_len
_bits
< 0)
return -EFAULT;
return -EFAULT;
- len = strnlen(srcaddr, max_len) + 1; /* Add \0 */
+ /* Add \0, counting in bytes. */
+ len = strnlen(srcaddr, (size_t) max_len_bits / CHAR_BIT) + 1;
/* Truncated string, unexpected. Trace probably corrupted. */
if (srcaddr[len - 1] != '\0')
return -EFAULT;
/* Truncated string, unexpected. Trace probably corrupted. */
if (srcaddr[len - 1] != '\0')
return -EFAULT;
@@
-64,7
+66,8
@@
int ctf_string_read(struct bt_stream_pos *ppos, struct bt_definition *definition
printf_debug("CTF string read %s\n", srcaddr);
memcpy(string_definition->value, srcaddr, len);
string_definition->len = len;
printf_debug("CTF string read %s\n", srcaddr);
memcpy(string_definition->value, srcaddr, len);
string_definition->len = len;
- ctf_move_pos(pos, len * CHAR_BIT);
+ if (!ctf_move_pos(pos, len * CHAR_BIT))
+ return -EFAULT;
return 0;
}
return 0;
}
@@
-79,7
+82,8
@@
int ctf_string_write(struct bt_stream_pos *ppos,
size_t len;
char *destaddr;
size_t len;
char *destaddr;
- ctf_align_pos(pos, string_declaration->p.alignment);
+ if (!ctf_align_pos(pos, string_declaration->p.alignment))
+ return -EFAULT;
assert(string_definition->value != NULL);
len = string_definition->len;
assert(string_definition->value != NULL);
len = string_definition->len;
@@
-91,6
+95,7
@@
int ctf_string_write(struct bt_stream_pos *ppos,
destaddr = ctf_get_pos_addr(pos);
memcpy(destaddr, string_definition->value, len);
end:
destaddr = ctf_get_pos_addr(pos);
memcpy(destaddr, string_definition->value, len);
end:
- ctf_move_pos(pos, len * CHAR_BIT);
+ if (!ctf_move_pos(pos, len * CHAR_BIT))
+ return -EFAULT;
return 0;
}
return 0;
}
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