Commit d2dc7007 authored by Jean-Paul Saman's avatar Jean-Paul Saman

Fix several segmentation faults

parent 907f220a
......@@ -27,7 +27,6 @@
* This file contains functions to dectect subtitle files.
*/
#include <stdlib.h>
#include <vlc/vlc.h>
#include <vlc/input.h>
......@@ -64,8 +63,7 @@
static const char * sub_exts[] = { "utf", "utf8", "utf-8", "sub", "srt", "smi", "txt", "ssa", "idx", NULL};
/* extensions from unsupported types */
/* rt, aqt, jss, js, ass */
static void strcpy_trim( char *d, char *s )
{
/* skip leading whitespace */
......@@ -96,7 +94,8 @@ static void strcpy_trim( char *d, char *s )
static void strcpy_strip_ext( char *d, char *s )
{
char *tmp = strrchr(s, '.');
if( !tmp ) {
if( !tmp )
{
strcpy(d, s);
return;
}
......@@ -162,8 +161,8 @@ static int compare_sub_priority( const void *a, const void *b )
static int Filter( const struct dirent *p_dir_content )
{
int i;
char *tmp;
char *tmp = NULL;
if( p_dir_content == NULL || p_dir_content->d_name == NULL ) return VLC_FALSE;
/* does it end with a subtitle extension? */
tmp = strrchr( p_dir_content->d_name, '.');
......@@ -192,7 +191,10 @@ static char **paths_to_list( char *psz_dir, char *psz_path )
{
unsigned int i, k, i_nb_subdirs;
char **subdirs; /* list of subdirectories to look in */
if( !psz_dir ) return NULL;
if( !psz_path ) return NULL;
i_nb_subdirs = 1;
for( k = 0; k < strlen( psz_path ); k++ )
{
......@@ -201,11 +203,11 @@ static char **paths_to_list( char *psz_dir, char *psz_path )
i_nb_subdirs++;
}
}
if( i_nb_subdirs > 0 )
{
char *psz_parser, *psz_temp;
char *psz_parser = NULL, *psz_temp = NULL;
subdirs = (char**)malloc( sizeof(char*) * ( i_nb_subdirs + 1 ) );
memset( subdirs, 0, sizeof(char*) * ( i_nb_subdirs + 1 ) );
i = 0;
......@@ -231,9 +233,9 @@ static char **paths_to_list( char *psz_dir, char *psz_path )
if( psz_temp )
{
sprintf( psz_temp, "%s%s%c",
psz_subdir[0] == '.' ? psz_dir : "",
psz_subdir[0] == '.' ? psz_dir : "",
psz_subdir,
psz_subdir[strlen(psz_subdir) - 1] ==
psz_subdir[strlen(psz_subdir) - 1] ==
DIRECTORY_SEPARATOR ? '\0' : DIRECTORY_SEPARATOR );
subdirs[i] = psz_temp;
i++;
......@@ -270,19 +272,19 @@ char **subtitles_Detect( input_thread_t *p_this, char *psz_path,
{
vlc_value_t fuzzy;
int j, i_result2, i_dir_content, i_sub_count = 0, i_fname_len = 0;
char *f_dir, *f_fname, *f_fname_noext, *f_fname_trim;
char *tmp;
char *f_dir = NULL, *f_fname = NULL, *f_fname_noext = NULL, *f_fname_trim = NULL;
char *tmp = NULL;
char tmp_fname_noext[PATH_MAX];
char tmp_fname_trim[PATH_MAX];
char tmp_fname_ext[PATH_MAX];
struct dirent **pp_dir_content;
char **tmp_subdirs, **subdirs; /* list of subdirectories to look in */
subfn *result; /* unsorted results */
subfn *result = NULL; /* unsorted results */
char **result2; /* sorted results */
char *psz_fname_original = strdup( psz_name );
char *psz_fname = psz_fname_original;
......@@ -290,18 +292,23 @@ char **subtitles_Detect( input_thread_t *p_this, char *psz_path,
{
psz_fname += 7;
}
/* extract filename & dirname from psz_fname */
tmp = strrchr( psz_fname, DIRECTORY_SEPARATOR );
if( tmp )
{
int dirlen;
int dirlen = 0;
f_fname = malloc( strlen(tmp) );
strcpy( f_fname, tmp+1 ); // we skip the seperator, so it will still fit in the allocated space
if( f_fname )
strcpy( f_fname, tmp+1 ); // we skip the seperator, so it will still fit in the allocated space
dirlen = strlen(psz_fname) - strlen(tmp);
f_dir = malloc( dirlen + 1 );
strncpy( f_dir, psz_fname, dirlen + 1 );
f_dir[dirlen + 1] = 0;
if( f_dir )
{
strncpy( f_dir, psz_fname, dirlen + 1 );
f_dir[dirlen] = 0;
}
}
else
{
......@@ -311,45 +318,46 @@ char **subtitles_Detect( input_thread_t *p_this, char *psz_path,
i_fname_len = strlen( f_fname );
f_fname_noext = malloc(i_fname_len + 1);
f_fname_trim = malloc(i_fname_len + 1 );
strcpy_strip_ext( f_fname_noext, f_fname );
strcpy_trim( f_fname_trim, f_fname_noext );
result = (subfn*)malloc( sizeof(subfn) * MAX_SUBTITLE_FILES );
memset( result, 0, sizeof(subfn) * MAX_SUBTITLE_FILES );
if( result )
memset( result, 0, sizeof(subfn) * MAX_SUBTITLE_FILES );
var_Get( p_this, "sub-autodetect-fuzzy", &fuzzy );
tmp_subdirs = paths_to_list( f_dir, psz_path );
subdirs = tmp_subdirs;
for( j = -1; j == -1 || ( j >= 0 && subdirs != NULL && *subdirs != NULL );
for( j = -1; (j == -1) || ( (j >= 0) && (subdirs != NULL) && (*subdirs != NULL) );
j++)
{
pp_dir_content = NULL;
i_dir_content = 0;
/* parse psz_src dir */
if( ( i_dir_content = scandir( j < 0 ? f_dir : *subdirs, &pp_dir_content, Filter,
if( ( i_dir_content = scandir( j < 0 ? f_dir : *subdirs, &pp_dir_content, Filter,
NULL ) ) != -1 )
{
int a;
msg_Dbg( p_this, "looking for a subtitle file in %s", j < 0 ? f_dir : *subdirs );
msg_Dbg( p_this, "looking for a subtitle file in %s", j < 0 ? f_dir : *subdirs );
for( a = 0; a < i_dir_content; a++ )
{
int i_prio = 0;
struct dirent *p_dir_content = pp_dir_content[a];
char *psz_inUTF8 = FromLocale( p_dir_content->d_name );
char *p_fixed_name = vlc_fix_readdir_charset( p_this, psz_inUTF8 );
LocaleFree( psz_inUTF8 );
/* retrieve various parts of the filename */
strcpy_strip_ext( tmp_fname_noext, p_fixed_name );
strcpy_get_ext( tmp_fname_ext, p_fixed_name );
strcpy_trim( tmp_fname_trim, tmp_fname_noext );
if( !i_prio && !strcmp( tmp_fname_trim, f_fname_trim ) )
{
/* matches the movie name exactly */
......@@ -381,7 +389,7 @@ char **subtitles_Detect( input_thread_t *p_this, char *psz_path,
{
FILE *f;
char *tmpresult;
asprintf( &tmpresult, "%s%s", j < 0 ? f_dir : *subdirs, p_fixed_name );
msg_Dbg( p_this, "autodetected subtitle: %s with priority %d", p_fixed_name, i_prio );
if( ( f = fopen( tmpresult, "rt" ) ) )
......@@ -400,16 +408,17 @@ char **subtitles_Detect( input_thread_t *p_this, char *psz_path,
if( j >= 0 ) free( *subdirs++ );
}
if(tmp_subdirs) free(tmp_subdirs);
if(f_fname_trim) free(f_fname_trim);
if(f_fname_noext) free(f_fname_noext);
if(f_fname) free(f_fname);
if(f_dir) free(f_dir);
if( tmp_subdirs ) free( tmp_subdirs );
if( f_fname_trim ) free( f_fname_trim );
if( f_fname_noext ) free( f_fname_noext );
if( f_fname ) free( f_fname );
if( f_dir ) free( f_dir );
qsort( result, i_sub_count, sizeof( subfn ), compare_sub_priority );
result2 = (char**)malloc( sizeof(char*) * ( i_sub_count + 1 ) );
memset( result2, 0, sizeof(char*) * ( i_sub_count + 1 ) );
if( result2 )
memset( result2, 0, sizeof(char*) * ( i_sub_count + 1 ) );
i_result2 = 0;
for( j = 0; j < i_sub_count; j++ )
......@@ -423,7 +432,6 @@ char **subtitles_Detect( input_thread_t *p_this, char *psz_path,
!strncasecmp( result[j].psz_fname, result[i].psz_fname, sizeof( result[j].psz_fname) - 4 ) &&
!strcasecmp( result[i].psz_ext, "idx" ) )
break;
}
if( i >= i_sub_count )
{
......@@ -438,7 +446,7 @@ char **subtitles_Detect( input_thread_t *p_this, char *psz_path,
}
}
free( psz_fname_original );
free( result );
if( psz_fname_original ) free( psz_fname_original );
if( result ) free( result );
return result2;
}
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