Changeset c9857c6 in mainline for libc/generic/io/io.c

Timestamp:

2006-04-12T10:21:01Z (19 years ago)

Author:

Josef Cejka <malyzelenyhnus@…>

Branches:

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

Children:

f30e6a0b

Parents:

fcd10af

Message:

Printf support for width and precision modifiers.
Several necessary helping functions added.

File:

• libc/generic/io/io.c (modified) (3 diffs)

libc/generic/io/io.c

@@ -38 +38 @@
         size_t count;
         
+        if (str == NULL) {
+                return putnchars("(NULL)",6 );
+        }
+        
         for (count = 0; str[count] != 0; count++);
         if (write(1, (void * ) str, count) == count) {
@@ -48 +52 @@
 
 /** Put count chars from buffer to stdout without adding newline
- * @param buf Buffer with size at least count bytes
+ * @param buf Buffer with size at least count bytes - NULL pointer NOT allowed!
  * @param count 
  * @return 0 on succes, EOF on fail
@@ -80 +84 @@
 }
 
+int putchar(int c)
+{
+        unsigned char ch = c;
+        if (write(1, (void *)&ch , 1) == 1) {
+                        return c;
+        }
+        
+        return EOF;
+}
+
 ssize_t write(int fd, const void * buf, size_t count)
 {