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videolan
vlc-2-2
Commits
cd47dbd3
Commit
cd47dbd3
authored
Mar 23, 2008
by
Rafaël Carré
Browse files
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Do not allocate arbitrary length on the stack
parent
c8e6c21d
Changes
1
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Inline
Side-by-side
Showing
1 changed file
with
11 additions
and
9 deletions
+11
-9
modules/codec/subtitles/subsdec.c
modules/codec/subtitles/subsdec.c
+11
-9
No files found.
modules/codec/subtitles/subsdec.c
View file @
cd47dbd3
...
...
@@ -572,11 +572,12 @@ static char *StripTags( char *psz_subtitle )
*/
static
char
*
CreateHtmlSubtitle
(
char
*
psz_subtitle
)
{
char
psz_tagStack
[
(
strlen
(
psz_subtitle
)
/
3
)
+
1
];
char
psz_tag
=
malloc
(
(
strlen
(
psz_subtitle
)
/
3
)
+
1
);
if
(
!
psz_tag
)
return
NULL
;
size_t
i_buf_size
=
strlen
(
psz_subtitle
)
+
100
;
char
*
psz_html_start
=
malloc
(
i_buf_size
);
psz_tag
Stack
[
0
]
=
'\0'
;
psz_tag
[
0
]
=
'\0'
;
if
(
psz_html_start
!=
NULL
)
{
...
...
@@ -604,21 +605,21 @@ static char *CreateHtmlSubtitle( char *psz_subtitle )
else
if
(
!
strncasecmp
(
psz_subtitle
,
"<b>"
,
3
)
)
{
strcpy
(
psz_html
,
"<b>"
);
strcat
(
psz_tag
Stack
,
"b"
);
strcat
(
psz_tag
,
"b"
);
psz_html
+=
3
;
psz_subtitle
+=
3
;
}
else
if
(
!
strncasecmp
(
psz_subtitle
,
"<i>"
,
3
)
)
{
strcpy
(
psz_html
,
"<i>"
);
strcat
(
psz_tag
Stack
,
"i"
);
strcat
(
psz_tag
,
"i"
);
psz_html
+=
3
;
psz_subtitle
+=
3
;
}
else
if
(
!
strncasecmp
(
psz_subtitle
,
"<u>"
,
3
)
)
{
strcpy
(
psz_html
,
"<u>"
);
strcat
(
psz_tag
Stack
,
"u"
);
strcat
(
psz_tag
,
"u"
);
psz_html
+=
3
;
psz_subtitle
+=
3
;
}
...
...
@@ -630,7 +631,7 @@ static char *CreateHtmlSubtitle( char *psz_subtitle )
"alpha=
\"
"
,
NULL
};
strcpy
(
psz_html
,
"<font "
);
strcat
(
psz_tag
Stack
,
"f"
);
strcat
(
psz_tag
,
"f"
);
psz_html
+=
6
;
psz_subtitle
+=
6
;
...
...
@@ -668,12 +669,12 @@ static char *CreateHtmlSubtitle( char *psz_subtitle )
else
if
(
!
strncmp
(
psz_subtitle
,
"</"
,
2
))
{
vlc_bool_t
b_match
=
VLC_FALSE
;
int
i_len
=
strlen
(
psz_tag
Stack
)
-
1
;
int
i_len
=
strlen
(
psz_tag
)
-
1
;
char
*
psz_lastTag
=
NULL
;
if
(
i_len
>=
0
)
{
psz_lastTag
=
psz_tag
Stack
+
i_len
;
psz_lastTag
=
psz_tag
+
i_len
;
i_len
=
0
;
switch
(
*
psz_lastTag
)
...
...
@@ -772,7 +773,7 @@ static char *CreateHtmlSubtitle( char *psz_subtitle )
strcpy
(
psz_html
,
"</text>"
);
psz_html
+=
7
;
if
(
psz_tag
Stack
[
0
]
!=
'\0'
)
if
(
psz_tag
[
0
]
!=
'\0'
)
{
/* Not well formed -- kill everything */
free
(
psz_html_start
);
...
...
@@ -784,5 +785,6 @@ static char *CreateHtmlSubtitle( char *psz_subtitle )
psz_html_start
=
realloc
(
psz_html_start
,
psz_html
-
psz_html_start
+
1
);
}
}
free
(
psz_tag
);
return
psz_html_start
;
}
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