changeset 1:b82f21466dfd

You can just printf the file what are you doing!
author VilyaemKenyaz
date Fri, 25 Aug 2023 22:59:12 -0400
parents e92d7e15bc33
children 2b6ce8d53356
files README.md basedfilelib.h c.ksh dis dis.c
diffstat 5 files changed, 149 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
diff -r e92d7e15bc33 -r b82f21466dfd README.md
--- a/README.md	Fri Aug 25 22:44:59 2023 -0400
+++ b/README.md	Fri Aug 25 22:59:12 2023 -0400
@@ -1,2 +1,2 @@
 #dis 
- Displays a program, alternative to "cat", uses my based file library
+ Displays a file, alternative to "cat", uses my based file library
diff -r e92d7e15bc33 -r b82f21466dfd basedfilelib.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/basedfilelib.h	Fri Aug 25 22:59:12 2023 -0400
@@ -0,0 +1,129 @@
+// Based File Library
+//
+// Makes File I/O two functions, more like TempleOS, instead of *nix.
+
+#define MAX_LINES 100000
+#define MAXLENGTH 512
+
+char* ReadFile(const char* fileName) {
+	FILE* file = fopen(fileName, "rb");
+	if (file == NULL) {
+		perror("Error opening file");
+		return NULL;
+	}
+
+	fseek(file, 0, SEEK_END);
+	long fileSize = ftell(file);
+	rewind(file);
+
+	char* fileContent = (char*)malloc(fileSize * sizeof(char));
+	if (fileContent == NULL) {
+		perror("Error allocating memory for file content");
+		fclose(file);
+		return NULL;
+	}
+
+	size_t readSize = fread(fileContent, sizeof(char), fileSize, file);
+	if (readSize != fileSize) {
+		perror("Error reading file");
+		fclose(file);
+		free(fileContent);
+		return NULL;
+	}
+
+	fclose(file);
+	return fileContent;
+}
+
+void WriteFile(const char* fileName, const char* content) {
+	FILE* file = fopen(fileName, "wb");
+	if (file == NULL) {
+		perror("Error opening file");
+	}
+
+	size_t writeSize = fwrite(content, sizeof(char), strlen(content), file);
+	if (writeSize != strlen(content)) {
+		perror("Error writing to file");
+		fclose(file);
+	}
+
+	fclose(file);
+}
+
+
+char* DeleteLine(char* str, unsigned int line_number) {
+	char* lines[MAX_LINES];
+	char* line;
+	unsigned int current_line = 0;
+
+		line = strtok(str, "\n");
+	while (line != NULL && current_line < MAX_LINES) {
+		lines[current_line++] = line;
+		line = strtok(NULL, "\n");
+	}
+
+	// Delete the specified line
+	if (line_number > 0 && line_number <= current_line) {
+		for (unsigned int i = line_number - 1; i < current_line - 1; i++) {
+			lines[i] = lines[i + 1];
+		}
+		current_line--;
+	}
+
+	// Reconstruct the string with remaining lines
+	str[0] = '\0';
+	for (unsigned int i = 0; i < current_line; i++) {
+		strcat(str, lines[i]);
+		strcat(str, "\n");
+	}
+
+	return str;
+}
+
+
+
+char* ReadLine(const char *str, unsigned int lineNum) {
+	int currentLine = 1;
+	size_t strLen = strlen(str);
+	char *line = NULL;
+
+	line = malloc(strLen + 1);
+	if (line == NULL) {
+		fprintf(stderr, "Error: memory allocation failed.\n");
+		exit(1);
+	}
+
+	int lineStartIndex = 0;
+	int lineEndIndex = 0;
+
+	// Traverse through the string until the desired line or the end of the string
+	while (currentLine <= lineNum && lineEndIndex < strLen) {
+		// Find the start index of the current line
+		while (lineStartIndex < strLen && (str[lineStartIndex] == '\n' || str[lineStartIndex] == '\r')) {
+			lineStartIndex++;
+			lineEndIndex++;
+		}
+
+		// Find the end index of the current line
+		lineEndIndex = lineStartIndex;
+		while (lineEndIndex < strLen && str[lineEndIndex] != '\n' && str[lineEndIndex] != '\r') {
+			lineEndIndex++;
+		}
+
+		// Check if the desired line is found
+		if (currentLine == lineNum) {
+			// Copy the line to the allocated memory
+			strncpy(line, str + lineStartIndex, lineEndIndex - lineStartIndex);
+			line[lineEndIndex - lineStartIndex] = '\0';
+			break;
+		}
+
+		// Move to the start of the next line
+		currentLine++;
+		lineStartIndex = lineEndIndex;
+	}
+
+	return line;
+}
+
+//BasedFileLib
diff -r e92d7e15bc33 -r b82f21466dfd c.ksh
--- a/c.ksh	Fri Aug 25 22:44:59 2023 -0400
+++ b/c.ksh	Fri Aug 25 22:59:12 2023 -0400
@@ -1,6 +1,6 @@
 #!/bin/sh 
  clear 
  rm dis 
- cc dis -o dis 
+ cc dis.c -o dis 
  cp dis /usr/bin/ 
  gdb -ex run dis
diff -r e92d7e15bc33 -r b82f21466dfd dis
Binary file dis has changed
diff -r e92d7e15bc33 -r b82f21466dfd dis.c
--- a/dis.c	Fri Aug 25 22:44:59 2023 -0400
+++ b/dis.c	Fri Aug 25 22:59:12 2023 -0400
@@ -1,2 +1,20 @@
 //Displays a program, alternative to "cat", uses my based file library
+#include <stdio.h> 
+#include <stdlib.h>
+#include <string.h>
+#include "basedfilelib.h"
 
+void main(int argc, char* argv[]){
+if (argc == 1 ) { puts("Dis by William King at Peep Soft\nDisplays a file to stdout, better than cat at this purpose\nUsage: dis (file)");exit(0);}
+puts("Displaying:");
+char * filetoread = argv[0];
+char * file = ReadFile(filetoread);
+printf("%s\n",filetoread);
+printf("%s\n",file);
+while(strlen(file) != 0){
+char * print = ReadLine(file,1);
+DeleteLine(file,1);
+}
+exit(0);
+}
+