make sure that file calls other than OPEN work on all formats

if called with a NULL 'fmt' argument.
(SVN 6898)



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@17859 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Luigi Rizzo
2006-04-06 15:08:31 +00:00
parent 7fb5de23d9
commit c9834f6187

74
file.c
View File

@@ -355,11 +355,12 @@ enum file_action {
* unused for EXISTS and DELETE
* destination file name (const char *) for COPY and RENAME
* struct ast_channel * for OPEN
* if fmt is NULL, OPEN will return the first matching entry,
* whereas other functions will run on all matching entries.
*/
static int ast_filehelper(const char *filename, const void *arg2, const char *fmt, const enum file_action action)
{
struct ast_format *f;
char *ext = NULL, *fn = NULL;
int res = (action == ACTION_EXISTS) ? 0 : -1;
if (AST_LIST_LOCK(&formats)) {
@@ -368,7 +369,7 @@ static int ast_filehelper(const char *filename, const void *arg2, const char *fm
}
/* Check for a specific format */
AST_LIST_TRAVERSE(&formats, f, list) {
char *stringp;
char *stringp, *ext = NULL;
if (fmt && !exts_compare(f->exts, fmt))
continue;
@@ -377,10 +378,11 @@ static int ast_filehelper(const char *filename, const void *arg2, const char *fm
* The file must exist, and for OPEN, must match
* one of the formats supported by the channel.
*/
stringp = ast_strdupa(f->exts);
stringp = ast_strdupa(f->exts); /* this is in the stack so does not need to be freed */
while ( (ext = strsep(&stringp, "|")) ) {
struct stat st;
fn = build_filename(filename, ext);
char *fn = build_filename(filename, ext);
if (fn == NULL)
continue;
@@ -427,44 +429,42 @@ static int ast_filehelper(const char *filename, const void *arg2, const char *fm
chan->stream = s;
else
chan->vstream = s;
break;
}
break; /* found the file */
}
if (ext)
break;
}
if (ext) { /* break out on a valid 'ext', so fn is also valid */
char *nfn;
switch (action) {
case ACTION_OPEN:
break; /* will never get here */
switch (action) {
case ACTION_EXISTS: /* return the matching format */
res |= f->format;
break;
case ACTION_EXISTS: /* return the matching format */
res |= f->format;
break;
case ACTION_DELETE:
if ( (res = unlink(fn)) )
ast_log(LOG_WARNING, "unlink(%s) failed: %s\n", fn, strerror(errno));
break;
case ACTION_RENAME:
case ACTION_COPY:
nfn = build_filename((const char *)arg2, ext);
if (!nfn)
ast_log(LOG_WARNING, "Out of memory\n");
else {
res = action == ACTION_COPY ? copy(fn, nfn) : rename(fn, nfn);
if (res)
ast_log(LOG_WARNING, "%s(%s,%s) failed: %s\n",
action == ACTION_COPY ? "copy" : "rename",
fn, nfn, strerror(errno));
free(nfn);
case ACTION_DELETE:
if ( (res = unlink(fn)) )
ast_log(LOG_WARNING, "unlink(%s) failed: %s\n", fn, strerror(errno));
break;
case ACTION_RENAME:
case ACTION_COPY: {
char *nfn = build_filename((const char *)arg2, ext);
if (!nfn)
ast_log(LOG_WARNING, "Out of memory\n");
else {
res = action == ACTION_COPY ? copy(fn, nfn) : rename(fn, nfn);
if (res)
ast_log(LOG_WARNING, "%s(%s,%s) failed: %s\n",
action == ACTION_COPY ? "copy" : "rename",
fn, nfn, strerror(errno));
free(nfn);
}
}
break;
default:
ast_log(LOG_WARNING, "Unknown helper %d\n", action);
}
break;
case ACTION_OPEN: /* all done already! */
break;
default:
ast_log(LOG_WARNING, "Unknown helper %d\n", action);
free(fn);
}
free(fn);
}
AST_LIST_UNLOCK(&formats);
return res;