* Changed way temporary buffer of ansi export was handled. Need to do that for other exporters as well.

caca/driver_network.c

@@ -167,7 +167,7 @@ static void network_display(caca_t *kk)
 {
     int size;
     char *to_send = cucul_get_ansi(kk->qq, 0, &size);;
-    to_send = realloc(to_send, kk->qq->width * kk->qq->height * 15 * 3);
+  
     
     /* ANSI code for move(0,0)*/
     if (send(kk->drv.p->new_fd, "\033[1,1H", 6, 0) == -1) {
@@ -179,10 +179,6 @@ static void network_display(caca_t *kk)
         perror("send");
         return;
     }
-    
-    if(to_send) {
-        free(to_send);
-    }
 
 }
 static void network_handle_resize(caca_t *kk)

cucul/cucul.c

@@ -72,6 +72,8 @@ cucul_t * cucul_init(void)
         return NULL;
     }
 
+    qq->ansi_buffer = NULL;
+    
     return qq;
 }
 
@@ -270,6 +272,9 @@ void cucul_end(cucul_t *qq)
     free(qq->chars);
     free(qq->attr);
 
+    if(qq->ansi_buffer)
+        free(qq->ansi_buffer);
+
     free(qq);
 }
 

cucul/cucul_internals.h

@@ -45,6 +45,10 @@ struct cucul_context
     enum cucul_feature background, antialiasing, dithering;
 
     unsigned int refcount;
+
+    /* Exporters facilities */
+    unsigned char *ansi_buffer;
+
 };
 
 /* Initialisation functions */

cucul/export.c

@@ -275,13 +275,15 @@ char * cucul_get_ansi(cucul_t *qq, int trailing, int *size)
         30, 34, 32, 36, 31, 35, 33, 37, /* light colors handling is done later */
     };
 
-    char *buffer, *cur;
+    char *cur;
     unsigned int x, y;
 
     /* 20 bytes assumed for max length per pixel.
      * Add height*9 to that (zeroes color at the end and jump to next line) */
-    buffer = malloc(((qq->height*9) + (qq->width * qq->height * 20)) * sizeof(char));
-    cur = buffer;
+    if(qq->ansi_buffer)
+        free(qq->ansi_buffer);
+    qq->ansi_buffer = malloc(((qq->height*9) + (qq->width * qq->height * 20)) * sizeof(char));
+    cur = qq->ansi_buffer;
 
     // *cur++ = '';
 
@@ -321,9 +323,9 @@ char * cucul_get_ansi(cucul_t *qq, int trailing, int *size)
     }
 
     /* Crop to really used size */
-    *size = (strlen(buffer) + 1)* sizeof(char);
-    buffer = realloc(buffer, *size);
+    *size = (strlen(qq->ansi_buffer) + 1)* sizeof(char);
+    qq->ansi_buffer = realloc(qq->ansi_buffer, *size);
 
-    return buffer;
+    return qq->ansi_buffer;
 }