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Fixed problems with free in m3u-scanner

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This commit is contained in:
ejurgensen 2013-10-15 23:40:06 +02:00
parent d710e6ee95
commit 3e484f1cae
1 changed files with 30 additions and 24 deletions
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54
src/filescanner_m3u.c
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@ -43,7 +43,7 @@
static int
get_extinf(char *string, struct extinf_ctx *extinf)
extinf_get(char *string, struct extinf_ctx *extinf)
{
regex_t *regex;
regmatch_t *regmatch;
@ -74,35 +74,33 @@ get_extinf(char *string, struct extinf_ctx *extinf)
}
if (regexec(regex, string, 1 + regex->re_nsub, regmatch, 0))
{
DPRINTF(E_DBG, L_SCAN, "Playlist line has no EXTINF data\n");
goto regmatchfail;
}
goto regmatchfail;
/* Found extinf */
if (regmatch[0].rm_so != -1)
{
DPRINTF(E_DBG, L_SCAN, "Playlist line has EXTINF data\n");
if (extinf->found)
{
free(extinf->artist);
free(extinf->title);
}
/* Artist */
if (extinf->artist)
free(extinf->artist);
matchlen = regmatch[1].rm_eo - regmatch[1].rm_so;
extinf->artist = (char*)malloc(matchlen + 1);
strncpy(extinf->artist, string + regmatch[1].rm_so, matchlen + 1);
extinf->artist[matchlen]='\0';
/* Title */
if (extinf->title)
free(extinf->title);
matchlen = regmatch[1].rm_eo - regmatch[1].rm_so;
matchlen = regmatch[2].rm_eo - regmatch[2].rm_so;
extinf->title = (char*)malloc(matchlen + 1);
strncpy(extinf->title, string + regmatch[1].rm_so, matchlen + 1);
strncpy(extinf->title, string + regmatch[2].rm_so, matchlen + 1);
extinf->title[matchlen]='\0';
free(regmatch);
regfree(regex);
extinf->found = 1;
return 1;
}
@ -113,6 +111,17 @@ get_extinf(char *string, struct extinf_ctx *extinf)
return 0;
}
static void
extinf_reset(struct extinf_ctx *extinf)
{
if (extinf->found)
{
free(extinf->artist);
free(extinf->title);
}
extinf->found = 0;
}
void
scan_m3u_playlist(char *file, time_t mtime)
{
@ -196,6 +205,7 @@ scan_m3u_playlist(char *file, time_t mtime)
}
extinf.found = 0;
while (fgets(buf, sizeof(buf), fp) != NULL)
{
len = strlen(buf);
@ -216,11 +226,8 @@ scan_m3u_playlist(char *file, time_t mtime)
continue;
/* Saves metadata in extinf if EXTINF metadata line */
if (get_extinf(buf, &extinf))
{
extinf.found = 1;
continue;
}
if (extinf_get(buf, &extinf))
continue;
/* Check that first char is sane for a path */
if ((!isalnum(buf[0])) && (buf[0] != '/') && (buf[0] != '.'))
@ -234,11 +241,14 @@ scan_m3u_playlist(char *file, time_t mtime)
filename = strdup(buf);
if (!filename)
{
DPRINTF(E_LOG, L_SCAN, "Out of memory for playlist filename.\n");
DPRINTF(E_LOG, L_SCAN, "Out of memory for playlist filename\n");
continue;
}
if (extinf.found)
DPRINTF(E_INFO, L_SCAN, "Playlist has EXTINF, artist is %s, title is %s\n", extinf.artist, extinf.title);
process_media_file(filename, mtime, 0, 0, 1, &extinf);
}
/* Regular file */
@ -298,7 +308,7 @@ scan_m3u_playlist(char *file, time_t mtime)
if (ret < 0)
DPRINTF(E_WARN, L_SCAN, "Could not add %s to playlist\n", filename);
extinf.found = 0;
extinf_reset(&extinf);
free(filename);
}
@ -311,10 +321,6 @@ scan_m3u_playlist(char *file, time_t mtime)
}
fclose(fp);
if (extinf.artist)
free(extinf.artist);
if (extinf.title)
free(extinf.title);
DPRINTF(E_INFO, L_SCAN, "Done processing playlist\n");
}