From 6dfd3e629a7a60c6d61eaece15bd98aac595ee0d Mon Sep 17 00:00:00 2001
From: Joe DF <joedf@live.ca>
Date: Fri, 12 Jun 2015 00:34:32 -0400
Subject: b64_encodef() was returning wrong size

b64_decodef() not yet working.
---
 base64.c | 36 ++++++++++++++++++++++++++++++++++--
 base64.h |  2 +-
 test.c   | 48 +++++++++++++++++++++++++++++++++++++++++++-----
 3 files changed, 78 insertions(+), 8 deletions(-)

diff --git a/base64.c b/base64.c
index f159089..73546d1 100644
--- a/base64.c
+++ b/base64.c
@@ -144,6 +144,7 @@ unsigned int b64_encodef(char *InFile, char *OutFile) {
 		else
 			fputc('=',pOutFile);
 		fputc('=',pOutFile);
+		i+=4;
 	}
 	
 	fclose(pInFile);
@@ -151,8 +152,39 @@ unsigned int b64_encodef(char *InFile, char *OutFile) {
 	
 	return i;
 }
-/*
+
 unsigned int b64_decodef(char *InFile, char *OutFile) {
+
+	FILE *pInFile = fopen(InFile,"rb");
+	FILE *pOutFile = fopen(OutFile,"wb");
+	if ( (pInFile==NULL) || (pOutFile==NULL) )
+	return 0;
+
+	unsigned int c=0, j=0, k=0, s[4];
 	
+	while(c!=EOF) {
+		c=fgetc(pInFile);
+		if (c==EOF)
+		break;
+		s[j++]=b64_int(c);
+		if (j==4) {
+			fputc((s[0]<<2)+((s[1]&0x30)>>4),pOutFile);
+			if (s[2]!=64) {
+				fputc(((s[1]&0x0F)<<4)+((s[2]&0x3C)>>2),pOutFile);
+				if ((s[3]!=64)) {
+					fputc(((s[2]&0x03)<<6)+(s[3]),pOutFile); k+=3;
+				} else {
+					k+=2;
+				}
+			} else {
+				k+=1;
+			}
+			j=0;
+		}
+	}
+
+	fclose(pInFile);
+	fclose(pOutFile);
+	
+	return k;
 }
-*/
\ No newline at end of file
diff --git a/base64.h b/base64.h
index 7cec63d..d7a1072 100644
--- a/base64.h
+++ b/base64.h
@@ -2,7 +2,7 @@
 	base64.c - by Joe DF (joedf@ahkscript.org)
 	Released under the MIT License
 	
-	Revision: 18:30 2014-09-22
+	Revision: 2015-06-12 00:02:32
 	
 	Thank you for inspiration:
 	http://www.codeproject.com/Tips/813146/Fast-base-functions-for-encode-decode
diff --git a/test.c b/test.c
index 5c0888e..757beaa 100644
--- a/test.c
+++ b/test.c
@@ -43,6 +43,8 @@ int main() {
 	test_b64_decode();
 	puts("\nTesting test_b64_encodef() ...\n");
 	printf("%s\n",STATUS(test_b64_encodef()));
+	puts("\nTesting test_b64_decodef() ...\n");
+	printf("%s\n",STATUS(test_b64_decodef()));
 	puts("\n[END]");
 
 	return 0;
@@ -135,7 +137,7 @@ int test_b64_encodef() {
 		return 0;
 	
 	int i, j=0;
-	unsigned int test_a[] = HEXNUM_A;
+	unsigned int test_a[] = HEXNUM_B;
 	unsigned int size_a = NELEMS(test_a);
 	
 	for (i=0;i<size_a;i++) {
@@ -144,7 +146,7 @@ int test_b64_encodef() {
 	fclose(pFile);
 	
 	j = b64_encodef("B64_TEST01A.tmp","B64_TEST01B.tmp");
-	remove("B64_TEST01A.tmp");
+	//remove("B64_TEST01A.tmp");
 	
 	if (!j)
 		return 0;
@@ -156,9 +158,45 @@ int test_b64_encodef() {
 	char *out = malloc(j+1);
 	fgets(out,j+1,pFile);
 	fclose(pFile);
-	remove("B64_TEST01B.tmp");
-	printf("Comparing \"%s\" to \"%s\" : ",STRING_A,out);
-	if (strcmp(STRING_A,out)==0)
+	//remove("B64_TEST01B.tmp");
+	printf("Comparing \"%s\" to \"%s\" : ",STRING_B,out);
+	if (strcmp(STRING_B,out)==0)
+		return 1;
+	
+	return 0;
+}
+
+int test_b64_decodef() {
+	
+	FILE *pFile;
+	pFile = fopen("B64_TEST02A.tmp","wb");
+	if (pFile==NULL)
+		return 0;
+	
+	int j=0;
+	
+	fputs(STRING_B,pFile);
+	fclose(pFile);
+	
+	j = b64_decodef("B64_TEST02A.tmp","B64_TEST02B.tmp");
+	//remove("B64_TEST02A.tmp");
+	
+	if (!j)
+		return 0;
+	
+	pFile = fopen("B64_TEST02B.tmp","rb");
+	if (pFile==NULL)
+		return 0;
+	
+	char *out = malloc(j+1);
+	fgets(out,j+1,pFile);
+	fclose(pFile);
+	//remove("B64_TEST02B.tmp");
+	printf("Comparing \"%s\" with : ",HEXSTR_B); hexputs((int*)out,j);
+
+	int r_b[] = HEXNUM_B;
+
+	if (compare((int*)HEXSTR_B,(int*)out,NELEMS(r_b)))
 		return 1;
 	
 	return 0;
-- 
cgit 1.4.1-2-gfad0