add term_printf()

src/main.c

@@ -50,7 +50,7 @@ static fe_Object *fefn(fe_Context *ctx, fe_Object *arg) {
     return fe_number(ctx, 1);
 }
 
-int main(void) {
+int main(int isappli, int optnum) {
     char febuf[128 * 1024];
     void *femem = (void *)febuf;
     fe_Context *fectx = fe_open(femem, sizeof(febuf));

src/term.c

@@ -138,20 +138,11 @@ void term_append(const char *str) {
     }
 }
 
-int term_consume_stdio(void) {
-    int i = 0;
+int term_printf(const char *restrict format, ...) {
+    va_list argp;
 
-    char chunk[128 + 1];
-    while (1) {
-        int n = read((int)stdout, (void *)chunk, sizeof(chunk) - 1);
-
-        if (n < 0)
-            break;
-
-        chunk[n] = '\0';
-        term_append(chunk);
-        i += n;
-    }
-
-    return i;
+    char buf[1024];
+    const int n = sprintf(buf, format, argp);
+    term_append(buf);
+    return n;
 }

src/term.h

@@ -10,6 +10,6 @@ void tgrid_display(void);
 int term_writeat(int row, int col, int fg, int bg, const char *s);
 void term_scroll_down(void);
 void term_append(const char *str);
-int term_consume_stdio(void);
+int term_printf(const char *restrict format, ...);
 
 #endif // #ifndef UNS_TERM_H