From a635831b1f16214f6f4f83c33a4eb58d37cb587d Mon Sep 17 00:00:00 2001
From: Chris Apers
Date: Wed, 20 Oct 2004 09:17:46 +0000
Subject: Added fgetc/getc function

svn-id: r15619
---
 backends/PalmOS/Src/missing/_stdio.cpp | 22 ++++++++++++++++------
 backends/PalmOS/Src/missing/stdio.h    |  4 +++-
 2 files changed, 19 insertions(+), 7 deletions(-)

(limited to 'backends/PalmOS')

diff --git a/backends/PalmOS/Src/missing/_stdio.cpp b/backends/PalmOS/Src/missing/_stdio.cpp
index 9987084fd7..9f23cb301d 100644
--- a/backends/PalmOS/Src/missing/_stdio.cpp
+++ b/backends/PalmOS/Src/missing/_stdio.cpp
@@ -29,6 +29,8 @@ static UInt16	gStdioVolRefNum = sysInvalidRefNum;
 
 static void dummy(Boolean){};
 
+// TODO : implement "errno"
+
 void StdioInit(UInt16 volRefNum, const Char *output, LedProc ledProc) {
 	gStdioVolRefNum = volRefNum;
 	
@@ -37,7 +39,6 @@ void StdioInit(UInt16 volRefNum, const Char *output, LedProc ledProc) {
 	else
 		gStdioLedProc = dummy;
 		
-
 	VFSFileDelete(gStdioVolRefNum, output);
 	VFSFileCreate(gStdioVolRefNum, output);
 	VFSFileOpen  (gStdioVolRefNum, output,vfsModeWrite, &gStdioOutput);
@@ -53,7 +54,7 @@ UInt16 fclose(FileRef *stream) {
 	if (error == errNone)
 		MemPtrFree(stream);
 
-#ifdef DEBUG
+#ifdef _DEBUG_STDIO
 	FrmCustomAlert(FrmWarnAlert,"error fclose",0,0);
 #endif
 	return error;
@@ -62,7 +63,7 @@ UInt16 fclose(FileRef *stream) {
 UInt16 feof(FileRef *stream) {
 	Err error = VFSFileEOF(*stream);
 
-#ifdef DEBUG
+#ifdef _DEBUG_STDIO
 		switch (error)
 		{
 			case vfsErrFileEOF:
@@ -86,6 +87,15 @@ UInt16 feof(FileRef *stream) {
 	return error;
 }
 
+Int16 fgetc(FileRef *stream) {
+	UInt32 numBytesRead;
+	Err e;
+	Char c;
+	
+	e = VFSFileRead(*stream, 1, &c, &numBytesRead);
+	return (int)(!e ? c : EOF);
+}
+
 Char *fgets(Char *s, UInt32 n, FileRef *stream) {
 	UInt32 numBytesRead;
 	gStdioLedProc(true);
@@ -104,7 +114,7 @@ Char *fgets(Char *s, UInt32 n, FileRef *stream) {
 	
 		return s;
 	}
-#ifdef DEBUG
+#ifdef _DEBUG_STDIO
 		switch (error)
 		{
 			case expErrNotOpen:
@@ -180,7 +190,7 @@ FileRef *fopen(const Char *filename, const Char *type) {
 		}
 	}
 
-#ifdef DEBUG
+#ifdef _DEBUG_STDIO
 	else
 	{
 		switch (err)
@@ -222,7 +232,7 @@ UInt32 fread(void *ptr, UInt32 size, UInt32 nitems, FileRef *stream) {
 	if (error == errNone || error == vfsErrFileEOF)
 		return (UInt32)(numBytesRead/size);
 
-#ifdef DEBUG
+#ifdef _DEBUG_STDIO
 		switch (error)
 		{
 			case expErrNotOpen:
diff --git a/backends/PalmOS/Src/missing/stdio.h b/backends/PalmOS/Src/missing/stdio.h
index 393229c165..667a7dde69 100644
--- a/backends/PalmOS/Src/missing/stdio.h
+++ b/backends/PalmOS/Src/missing/stdio.h
@@ -41,6 +41,7 @@ typedef UInt32 size_t;
 #define clearerr(a)
 #define fflush(a)
 #define vsnprintf(a,b,c,d)	vsprintf(a,c,d)
+#define getc(a)				fgetc(a)
 
 #define	SEEK_SET			vfsOriginBeginning 
 #define	SEEK_CUR			vfsOriginCurrent  
@@ -49,6 +50,7 @@ typedef UInt32 size_t;
 UInt16		fclose	(FileRef *stream);
 UInt16		feof	(FileRef *stream);
 Char *		fgets	(Char *s, UInt32 n, FileRef *stream);
+Int16		fgetc	(FileRef *stream);
 FileRef *	fopen	(const Char *filename, const Char *type);
 UInt32		fread	(void *ptr, UInt32 size, UInt32 nitems, FileRef *stream);
 UInt32		fwrite	(const void *ptr, UInt32 size, UInt32 nitems, FileRef *stream);
@@ -64,4 +66,4 @@ Int32	vsprintf(Char* s, const Char* formatStr, _Palm_va_list argParam);
 void	StdioInit	(UInt16 volRefNum, const Char *output, LedProc ledProc);
 void	StdioRelease();
 
-#endif
\ No newline at end of file
+#endif
-- 
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