From 98dda68415821901cae54aa13a60f6ce51a1af37 Mon Sep 17 00:00:00 2001
From: Oskar <open7software@gmail.com>
Date: Fri, 13 Sep 2024 16:06:18 +0200
Subject: some other tests

---
 read_print_file.cpp | 78 +++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 73 insertions(+), 5 deletions(-)

(limited to 'read_print_file.cpp')

diff --git a/read_print_file.cpp b/read_print_file.cpp
index 5221c1d..a62c582 100644
--- a/read_print_file.cpp
+++ b/read_print_file.cpp
@@ -3,7 +3,8 @@
 #include <fstream>
 #include <vector>
 #include <unistd.h>
-#define USAGE "rpf [-1][-2][-3] [FILE]"
+#define USAGE "rpf [-1][-2][-3][-4][-5] [FILE]"
+#define VEC_BUF_SIZE 4096
 
 void PrintFile(const std::filesystem::path &path) {
 
@@ -37,7 +38,7 @@ void PrintFileBUFFERED_SINGLE_CHAR(const std::filesystem::path &path) {
 	auto size = thisfile.tellg(); // get size
 	thisfile.seekg(0, std::ios::beg); // seek to beginning of file
 	while (!thisfile.eof()) {
-		std::vector<char> vecbuf(1024);
+		std::vector<char> vecbuf(VEC_BUF_SIZE);
 		for(auto a = vecbuf.begin() ; a != vecbuf.end() ; ++a) {
 			*a = thisfile.get();
 		}
@@ -64,7 +65,7 @@ void PrintFileBUFFERED_READ(const std::filesystem::path &path) {
 	auto size = thisfile.tellg(); // get size
 	thisfile.seekg(0, std::ios::beg); // seek to beginning of file
 	while (!thisfile.eof()) {
-		std::vector<char> vecbuf(1024);
+		std::vector<char> vecbuf(VEC_BUF_SIZE);
 		thisfile.read(vecbuf.data(), vecbuf.size());
 		std::cout.write(vecbuf.data(), thisfile.gcount());
 	}
@@ -73,6 +74,51 @@ void PrintFileBUFFERED_READ(const std::filesystem::path &path) {
 	thisfile.close();
 }
 
+void PrintFileBUFFERED_READ_ARRAY(const std::filesystem::path &path) {
+
+	std::ifstream thisfile;
+	thisfile.open(path);
+	if(!thisfile.is_open()) {
+		std::cout << "Cannot open file" << std::endl;
+		return;
+	}
+
+	thisfile.seekg(0, std::ios::end); // seek to end
+	auto size = thisfile.tellg(); // get size
+	thisfile.seekg(0, std::ios::beg); // seek to beginning of file
+	while (!thisfile.eof()) {
+		char arrbuf[VEC_BUF_SIZE];
+		thisfile.read(arrbuf, VEC_BUF_SIZE);
+		std::cout.write(arrbuf, thisfile.gcount());
+	}
+	
+	std::cout << "File size: " << size << std::endl;
+	thisfile.close();
+}
+
+void NCAT(const std::filesystem::path &path) {
+
+    FILE *file;
+	const char *filename = path.c_str();
+    file = fopen(filename,"r");
+    if (file == NULL) {
+        fprintf(stderr, "Cannot open file.\n");
+        return;
+    }
+
+	fseek(file, 0, SEEK_END);
+	auto size = ftell(file);
+	fseek(file, 0, SEEK_SET);
+    char buffer[VEC_BUF_SIZE];
+    size_t bytes_read;
+    while ((bytes_read = fread(buffer, 1, VEC_BUF_SIZE, file)) > 0) {
+        fwrite(buffer, 1, bytes_read, stdout);
+    }
+
+	std::cout << "File size: " << size << std::endl;
+    fclose(file);
+} 
+
 inline void usageOUT() {
 	std::cerr << USAGE << std::endl;
 }
@@ -88,7 +134,9 @@ int main (int argc, char **argv) {
 	int one = 0;
 	int two = 0;
 	int three = 0;
-    while ((opt = getopt(argc, argv, "123")) != -1) {
+	int four = 0;
+	int five = 0;
+    while ((opt = getopt(argc, argv, "12345")) != -1) {
         switch (opt) {
         case '1':
 
@@ -104,11 +152,21 @@ int main (int argc, char **argv) {
 
 			three = 1;
 			
+			break;
+		case '4':
+
+			four = 1;
+			
+			break;
+		case '5':
+			
+			five = 1;
+			
 			break;
 		}
 	}
 
-	if((one + two + three) > 1) {
+	if((one + two + three + four + five) > 1) {
 		usageOUT();
 		return EXIT_FAILURE;
 	}
@@ -133,6 +191,16 @@ int main (int argc, char **argv) {
 		PrintFileBUFFERED_READ(path);
 		std::cout << "PrintFileBR" << std::endl;
 	}
+
+	if(four == 1) {
+		PrintFileBUFFERED_READ_ARRAY(path);
+		std::cout << "PrintFileBRA" << std::endl;
+	}
+
+	if(five == 1) {
+		NCAT(path);
+		std::cout << "NCAT" << std::endl;
+	}
 	
 	return EXIT_SUCCESS;
 }
-- 
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