Apparently \033 is more common than \x1b for ESC. Use the former in our

code for clarity.

caca/codec/import.c

@@ -110,7 +110,7 @@ ssize_t caca_import_memory(caca_canvas_t *cv, void const *data,
 
         /* If we find ESC[ argv, we guess it's an ANSI file */
         for(i = 0; i + 1 < len; i++)
-            if((str[i] == 0x1b) && (str[i + 1] == '['))
+            if((str[i] == '\033') && (str[i + 1] == '['))
                 return import_ansi(cv, data, len, 0);
 
         /* Otherwise, import it as text */
@@ -455,11 +455,11 @@ static ssize_t import_ansi(caca_canvas_t *cv, void const *data,
 
         /* If there are not enough characters to parse the escape sequence,
          * wait until the next try. We require 3. */
-        else if(buffer[i] == '\x1b' && i + 2 >= size)
+        else if(buffer[i] == '\033' && i + 2 >= size)
             break;
 
         /* XXX: What the fuck is this shit? */
-        else if(buffer[i] == '\x1b' && buffer[i + 1] == '('
+        else if(buffer[i] == '\033' && buffer[i + 1] == '('
                  && buffer[i + 2] == 'B')
         {
             skip += 2;
@@ -467,7 +467,7 @@ static ssize_t import_ansi(caca_canvas_t *cv, void const *data,
 
         /* Interpret escape commands, as per Standard ECMA-48 "Control
          * Functions for Coded Character Sets", 5.4. Control sequences. */
-        else if(buffer[i] == '\x1b' && buffer[i + 1] == '[')
+        else if(buffer[i] == '\033' && buffer[i + 1] == '[')
         {
             unsigned int argc = 0, argv[101];
             unsigned int param, inter, final;
@@ -641,7 +641,7 @@ static ssize_t import_ansi(caca_canvas_t *cv, void const *data,
         }
 
         /* Parse OSC stuff. */
-        else if(buffer[i] == '\x1b' && buffer[i + 1] == ']')
+        else if(buffer[i] == '\033' && buffer[i + 1] == ']')
         {
             char *string;
             unsigned int command = 0;

caca/driver/win32.c

@@ -284,7 +284,7 @@ static int win32_get_event(caca_display_t *dp, caca_privevent_t *ev)
                 {
                 case VK_TAB:        ev->data.key.ch = '\t';              break;
                 case VK_RETURN:     ev->data.key.ch = '\r';              break;
-                case VK_ESCAPE:     ev->data.key.ch = '\x1b';            break;
+                case VK_ESCAPE:     ev->data.key.ch = '\033';            break;
                 case VK_SPACE:      ev->data.key.ch = ' ';               break;
                 case VK_DELETE:     ev->data.key.ch = '\x7f';            break;
 

caca/graphics.c

@@ -261,7 +261,7 @@ void _caca_set_term_title(char const *str)
         return;
 #endif
 
-    fprintf(stdout, "\x1b]0;%s\x07", str);
+    fprintf(stdout, "\033]0;%s\007", str);
     fflush(stdout);
 }
 

src/cacaserver.c

@@ -55,18 +55,18 @@
     "\xff\xfd\x31"     /* DO NAWS */ \
     "\xff\x1f\xfa____" /* SB NAWS */ \
     "\xff\xf0"         /* SE */  \
-    "\x1b]2;caca for the network\x07" /* Change window title */ \
-    "\x1b[H\x1b[J" /* Clear screen */
-    /*"\x1b[?25l"*/ /* Hide cursor */
+    "\033]2;caca for the network\x07" /* Change window title */ \
+    "\033[H\033[J" /* Clear screen */
+    /*"\033[?25l"*/ /* Hide cursor */
 
 #define ANSI_PREFIX \
-    "\x1b[1;1H" /* move(0,0) */ \
-    "\x1b[1;1H" /* move(0,0) again */
+    "\033[1;1H" /* move(0,0) */ \
+    "\033[1;1H" /* move(0,0) again */
 
 #define ANSI_RESET \
     "    " /* Garbage */ \
-    "\x1b[?1049h" /* Clear screen */ \
-    "\x1b[?1049h" /* Clear screen again */
+    "\033[?1049h" /* Clear screen */ \
+    "\033[?1049h" /* Clear screen again */
 
 static char const telnet_commands[16][5] =
 {