From ae9cfee6605db373e9aa8b7c054403d83a612595 Mon Sep 17 00:00:00 2001
From: FreeArtMan <dos21h@gmail.com>
Date: Wed, 24 Dec 2014 15:43:34 +0900
Subject: File usage lib version up

---
 file_use.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++-----
 file_use.h |  1 +
 2 files changed, 47 insertions(+), 5 deletions(-)

diff --git a/file_use.c b/file_use.c
index cd816bc..3aae696 100644
--- a/file_use.c
+++ b/file_use.c
@@ -1,6 +1,7 @@
 #include "file_use.h"
 
 
+//---------------------------------------------------------------------
 void f_file_null( f_file *f_f )
 {
 	if ( f_f )
@@ -12,6 +13,8 @@ void f_file_null( f_file *f_f )
 	}
 }
 
+
+//---------------------------------------------------------------------
 int f_file_seek( f_file *f_f, long offset, int seek )
 {
 	int ret=-1;
@@ -47,10 +50,11 @@ int f_file_seek( f_file *f_f, long offset, int seek )
 	return ret;
 }
 
-
+//---------------------------------------------------------------------
 size_t f_file_read( f_file *f_f, size_t size, void *ptr )
 {
 	size_t ret=-1;
+
 	PRINT("\n");
 	if ( f_f )
 	{
@@ -86,6 +90,38 @@ size_t f_file_read( f_file *f_f, size_t size, void *ptr )
 }
 
 
+//---------------------------------------------------------------------
+//not effective algo ofcourse, but who cares while no one cares
+//read buffer and then find in buffer newline, calc nl position and
+//do the job
+size_t f_file_readl( f_file *f_f, size_t size, void *ptr )
+{
+	size_t ret=-1;
+
+	PRINT("\n");
+	if ( f_f )
+	{
+		int c=0;
+		size_t counter=0;
+		//fseek( f_f->fid, 0, SEEK_SET);
+		c = getc( f_f->fid );
+		while ( (c != '\n') && ( c != EOF ))
+		{
+			if ( counter < size )
+			{
+				((char *)(ptr))[counter] = (char)c;
+				counter++;
+			}
+
+			c = getc( f_f->fid );
+		}
+		if ( counter > 0 ) ret = counter;
+	}
+
+	return ret;
+}
+
+//---------------------------------------------------------------------
 int f_file_size( f_file *f_f )
 {
 	int ret=-1;
@@ -110,9 +146,10 @@ int f_file_size( f_file *f_f )
 //f_file_read_bl();
 
 
+//---------------------------------------------------------------------
 size_t f_file_write( f_file *f_f, size_t size, void *ptr )
 {
-	PRINT("%s\n");
+	PRINT("\n");
 	if ( f_f )
 	{
 		if ((f_f->flags == F_FILE_WRITE) || 
@@ -128,15 +165,17 @@ size_t f_file_write( f_file *f_f, size_t size, void *ptr )
 //f_file_write_bl();
 
 
+//---------------------------------------------------------------------
 f_file* f_file_open( const char *fname, int flags )
 {
 	f_file *ret = NULL;
 
-	const char *f_flags_write="r";
-	const char *f_flags_read="w";
-	const char *f_flags_rw="r+";
+	char *f_flags_write="r";
+	char *f_flags_read="w";
+	char *f_flags_rw="r+";
 	char *f_flags_tmp=NULL;
 
+	PRINT("\n");
 	if ( fname != NULL )
 	{
 		ret = malloc( sizeof( f_file ) );
@@ -175,6 +214,7 @@ f_file* f_file_open( const char *fname, int flags )
 			goto exit_close_f;
 		}
 		ret->size = f_file_size( ret );
+		fseek( ret->fid, 0, SEEK_SET );
 	}
 	return ret;
 
@@ -185,6 +225,7 @@ exit_close_f:
 }
 
 
+//---------------------------------------------------------------------
 int f_file_close( f_file *f_f )
 {
 	PRINT("\n");
diff --git a/file_use.h b/file_use.h
index fe7cc08..6aa11da 100644
--- a/file_use.h
+++ b/file_use.h
@@ -28,6 +28,7 @@ typedef struct f_file
 void f_file_null( f_file* );
 int f_file_seek( f_file*, long, int );
 size_t f_file_read( f_file*, size_t, void* );
+size_t f_file_readl( f_file*, size_t, void* ); //read until readline, return how much readed
 //f_file_read_bl();
 int f_file_size( f_file* );
 size_t f_file_write( f_file*, size_t, void* );
-- 
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