X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Frfxswf.c;h=d8174794df969cb604580c2ceeb9efbb7671d7bd;hb=69884d51cc4c66b5811d4f6318c0c85745e09345;hp=3a8a3ce25b4f4a22a80aed9c54cccc808935f470;hpb=8af73868efc8821ce2ab97472fc8ebe5ad63f585;p=swftools.git

diff --git a/lib/rfxswf.c b/lib/rfxswf.c
index 3a8a3ce..d817479 100644
--- a/lib/rfxswf.c
+++ b/lib/rfxswf.c
@@ -24,6 +24,7 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
+#include "mem.h"
 #include "rfxswf.h"
 
 #ifdef HAVE_JPEGLIB
@@ -48,78 +49,6 @@
 #include "./bitio.h"
 #include "./MD5.h"
 
-// memory allocation
-
-void* rfx_alloc(int size)
-{
-  void*ptr;
-  if(size == 0) {
-    //*(int*)0 = 0xdead;
-    //fprintf(stderr, "Warning: Zero alloc\n");
-    return 0;
-  }
-
-  ptr = malloc(size);
-  if(!ptr) {
-    fprintf(stderr, "FATAL: Out of memory\n");
-    /* TODO: we should send a signal, so that the debugger kicks in */
-    exit(1);
-  }
-  return ptr;
-}
-void* rfx_realloc(void*data, int size)
-{
-  void*ptr;
-  if(size == 0) {
-    //*(int*)0 = 0xdead;
-    //fprintf(stderr, "Warning: Zero realloc\n");
-    rfx_free(data);
-    return 0;
-  }
-  if(!data) {
-    ptr = malloc(size);
-  } else {
-    ptr = realloc(data, size);
-  }
-
-  if(!ptr) {
-    fprintf(stderr, "FATAL: Out of memory\n");
-    /* TODO: we should send a signal, so that the debugger kicks in */
-    exit(1);
-  }
-  return ptr;
-}
-void* rfx_calloc(int size)
-{
-  void*ptr;
-  if(size == 0) {
-    //*(int*)0 = 0xdead;
-    //fprintf(stderr, "Warning: Zero alloc\n");
-    return 0;
-  }
-#ifdef HAVE_CALLOC
-  ptr = calloc(size);
-#else
-  ptr = malloc(size);
-#endif
-  if(!ptr) {
-    fprintf(stderr, "FATAL: Out of memory\n");
-    /* TODO: we should send a signal, so that the debugger kicks in */
-    exit(1);
-  }
-#ifndef HAVE_CALLOC
-  memset(ptr, 0, size);
-#endif
-  return ptr;
-}
-
-void rfx_free(void*ptr)
-{
-  if(!ptr)
-    return;
-  free(ptr);
-}
-
 // internal constants
 
 #define MALLOC_SIZE     128
@@ -532,11 +461,11 @@ void swf_ExpandRect3(SRECT*src, SPOINT center, int radius)
     if(center.x - radius < src->xmin)
 	src->xmin = center.x - radius;
     if(center.x + radius > src->xmax)
-	src->xmax = center.x - radius;
+	src->xmax = center.x + radius;
     if(center.y - radius < src->ymin)
 	src->ymin = center.y - radius;
     if(center.y + radius > src->ymax)
-	src->ymax = center.y - radius;
+	src->ymax = center.y + radius;
 }
 SPOINT swf_TurnPoint(SPOINT p, MATRIX* m)
 {
@@ -549,6 +478,8 @@ SRECT swf_TurnRect(SRECT r, MATRIX* m)
 {
     SRECT g;
     SPOINT p1,p2,p3,p4,pp1,pp2,pp3,pp4;
+    if(!m)
+      return r;
     p1.x = r.xmin;p1.y = r.ymin;
     p2.x = r.xmax;p2.y = r.ymin;
     p3.x = r.xmin;p3.y = r.ymax;
@@ -621,6 +552,7 @@ int swf_SetMatrix(TAG * t,MATRIX * m)
     nbits = swf_CountBits(m->sx,0);
     nbits = swf_CountBits(m->sy,nbits);
     if(nbits>=32) {
+        /* TODO: happens on AMD64 systems for normal values? */
 	fprintf(stderr,"rfxswf: Error: matrix values too large\n");
 	nbits = 31;
     }
@@ -656,7 +588,7 @@ int swf_SetMatrix(TAG * t,MATRIX * m)
   return 0;
 }
 
-int swf_GetCXForm(TAG * t,CXFORM * cx,U8 alpha) //FIXME: alpha should be type bool
+int swf_GetCXForm(TAG * t,CXFORM * cx,U8 alpha)
 { CXFORM cxf;
   int hasadd;
   int hasmul;
@@ -770,6 +702,7 @@ void  swf_SetPassword(TAG * t, const char * password)
     fprintf(stderr, "rfxswf: Warning- no usable random generator found\n");
     fprintf(stderr, "Your password will be vulnerable to dictionary attacks\n");
 #endif
+    salt[2] = 0;
     
     md5string = crypt_md5(password, salt);
 
@@ -916,7 +849,12 @@ TAG * swf_ReadTag(struct reader_t*reader, TAG * prev)
   if (t->len)
   { t->data = (U8*)rfx_alloc(t->len);
     t->memsize = t->len;
-    if (reader->read(reader, t->data, t->len) != t->len) return NULL;
+    if (reader->read(reader, t->data, t->len) != t->len) {
+      fprintf(stderr, "rfxswf: Warning: Short read (tagid %d). File truncated?\n", t->id);
+      free(t->data);t->data=0;
+      free(t);
+      return NULL;
+    }
   }
 
   if (prev)
@@ -1212,7 +1150,10 @@ void swf_OptimizeTagOrder(SWF*swf)
 	  tag->next = level0;
 	  tag->prev = level0->prev;
 	  level0->prev = tag;
-	  tag->prev->next = tag;
+          if(tag->prev)
+	    tag->prev->next = tag;
+          else
+            swf->firstTag = tag;
 	  changes = 1;
 	}
       }
@@ -1294,9 +1235,11 @@ int  swf_WriteSWF2(struct writer_t*writer, SWF * swf)     // Writes SWF to file,
 
 #ifdef INSERT_RFX_TAG
 
-  if (swf->firstTag && swf_NextTag(swf->firstTag))
-    if (swf_GetTagID(swf_NextTag(swf->firstTag))!=ST_REFLEX)
+  if ((swf->firstTag && swf->firstTag->id != ST_REFLEX) &&
+      (!swf->firstTag->next || swf->firstTag->next->id != ST_REFLEX)) 
+  {
       swf_SetBlock(swf_InsertTagBefore(swf, swf->firstTag,ST_REFLEX),"rfx",3);
+  }
 
 #endif // INSERT_RFX_TAG
 
@@ -1414,6 +1357,7 @@ int  swf_WriteSWF(int handle, SWF * swf)     // Writes SWF to file, returns leng
   if(handle<0) {
     writer_init_nullwriter(&writer);
     len = swf_WriteSWF2(&writer, swf);
+    return len;
   }
   writer_init_filewriter(&writer, handle);
   len = swf_WriteSWF2(&writer, swf);
@@ -1471,6 +1415,23 @@ int swf_WriteCGI(SWF * swf)
   return swf_WriteSWF(fileno(stdout),swf);
 }
 
+SWF* swf_CopySWF(SWF*swf)
+{
+    SWF*nswf = rfx_alloc(sizeof(SWF));
+    TAG*tag, *ntag;
+    memcpy(nswf, swf, sizeof(SWF));
+    nswf->firstTag = 0;
+    tag = swf->firstTag;
+    ntag = 0;
+    while(tag) {
+        ntag = swf_CopyTag(ntag, tag);
+        if(!nswf->firstTag)
+            nswf->firstTag = ntag;
+        tag = tag->next;
+    }
+    return nswf;
+}
+
 void swf_FreeTags(SWF * swf)                 // Frees all malloc'ed memory for tags
 { TAG * t = swf->firstTag;
 
@@ -1497,3 +1458,4 @@ void swf_FreeTags(SWF * swf)                 // Frees all malloc'ed memory for t
 #include "modules/swfaction.c"
 #include "modules/swfsound.c"
 #include "modules/swfdraw.c"
+#include "modules/swfrender.c"