Changeset d2cc7e1 in mainline for uspace/lib/libc/generic/io

Timestamp:

2009-03-21T11:26:31Z (16 years ago)

Author:

Jiri Svoboda <jirik.svoboda@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

0a5116db

Parents:

5b8c75a

Message:

Buffer console output with line granularity. Makes esp. msim/ski console faster. EGA-fb needs fixing.

Location:

uspace/lib/libc/generic/io

Files:

• io.c (modified) (2 diffs)
• stream.c (modified) (1 diff)

uspace/lib/libc/generic/io/io.c

@@ -98 +98 @@
 {
         unsigned char c;
+
+        flush_stdout();
         if (read_stdin((void *) &c, 1) == 1)
                 return c;
@@ -104 +106 @@
 }
 
+int fflush(FILE *f)
+{
+        (void) f;
+        return flush_stdout();
+}
+
 /** @}
  */

uspace/lib/libc/generic/io/stream.c

@@ -81 +81 @@
 {
         int cons_phone = console_phone_get(false);
+        int left, rc;
 
         if (cons_phone >= 0) {
                 int i;
 
-                for (i = 0; i < count; i++)
-                        console_putchar(((const char *) buf)[i]);
+                left = count;
+                while (left > 0) {
+                        rc = console_write(buf, left);
+                        if (rc < 0)
+                                break;
+                        buf += rc;
+                        left -= rc;
+                }
 
                 return count;
         } else
                 return __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, count);
+}
+
+int flush_stdout(void)
+{
+        console_flush();
+        return 0;
 }