Moved read_line() to misc.c

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3647 a1c6a512-1295-4272-9138-f99709370657

apps/settings.c

@@ -44,6 +44,7 @@
 #include "file.h"
 #include "errno.h"
 #include "system.h"
+#include "misc.h"
 #ifdef HAVE_LCD_BITMAP
 #include "icons.h"
 #include "font.h"
@@ -707,42 +708,6 @@ void settings_load(void)
     settings_apply();
 }
 
-/* Read (up to) a line of text from fd into buffer and return number of bytes
- * read (which may be larger than the number of bytes stored in buffer). If 
- * an error occurs, -1 is returned (and buffer contains whatever could be 
- * read). A line is terminated by a LF char. Neither LF nor CR chars are 
- * stored in buffer.
- */
-static int read_line(int fd, char* buffer, int buffer_size)
-{
-    int count = 0;
-    int num_read = 0;
-    
-    errno = 0;
-
-    while (count < buffer_size)
-    {
-        unsigned char c;
-
-        if (1 != read(fd, &c, 1))
-            break;
-        
-        num_read++;
-            
-        if ( c == '\n' )
-            break;
-
-        if ( c == '\r' )
-            continue;
-
-        buffer[count++] = c;
-    }
-
-    buffer[MIN(count, buffer_size - 1)] = 0;
-
-    return errno ? -1 : num_read;
-}
-
 /* parse a line from a configuration file. the line format is: 
 
    setting name: setting value