X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=ext%2Fvcedit.c;h=46d68ee578231999db4d9f0b236fe0a234d44579;hb=68655900600f2bc74d9854a7bf571563edb3776c;hp=393ca9d14c0033034ecf56592b1bd1c86285c94d;hpb=d13cef8ffe7aa8f764e91c4914e120eb5857376e;p=ruby-vorbistagger.git diff --git a/ext/vcedit.c b/ext/vcedit.c index 393ca9d..46d68ee 100644 --- a/ext/vcedit.c +++ b/ext/vcedit.c @@ -71,10 +71,12 @@ vcedit_state_free (vcedit_state *state) } static bool -vcedit_state_init (vcedit_state *state) +vcedit_state_init (vcedit_state *state, const char *filename) { state->refcount = 1; + strcpy (state->filename, filename); + return true; } @@ -94,13 +96,11 @@ vcedit_state_new (const char *filename) memset (state, 0, sizeof (vcedit_state)); - if (!vcedit_state_init (state)) { + if (!vcedit_state_init (state, filename)) { vcedit_state_free (state); return NULL; } - strcpy (state->filename, filename); - return state; } @@ -264,8 +264,8 @@ vcedit_open (vcedit_state *state) { vcedit_error ret; char *buffer; - int bytes, i; - int chunks = 0; + size_t bytes, total = 0; + int i; ogg_packet *header; ogg_packet header_main, header_comments, header_codebooks; ogg_page og; @@ -276,22 +276,21 @@ vcedit_open (vcedit_state *state) ogg_sync_init (&state->oy); - while (1) { - buffer = ogg_sync_buffer (&state->oy, CHUNKSIZE); - bytes = fread (buffer, 1, CHUNKSIZE, state->in); - - ogg_sync_wrote (&state->oy, bytes); - - if (ogg_sync_pageout (&state->oy, &og) == 1) - break; - + do { /* Bail if we don't find data in the first 40 kB */ - if (chunks++ >= 10) { + if (feof (state->in) || total >= (CHUNKSIZE * 10)) { ogg_sync_clear (&state->oy); return VCEDIT_ERR_INVAL; } - } + + buffer = ogg_sync_buffer (&state->oy, CHUNKSIZE); + + bytes = fread (buffer, 1, CHUNKSIZE, state->in); + total += bytes; + + ogg_sync_wrote (&state->oy, bytes); + } while (ogg_sync_pageout (&state->oy, &og) != 1); state->serial = ogg_page_serialno (&og);