initial commit

.gitignore

@@ -0,0 +1 @@
+*out

Makefile

@@ -0,0 +1,14 @@
+CC = gcc
+CFLAGS = -Wall -std=c17
+OUT = pwdgen
+SRC = src/*.c
+
+all:
+	@make build
+	@make run
+
+build:
+	@$(CC) $(CFLAGS) $(SRC) -o out/$(OUT)
+
+run:
+	@./out/$(OUT)

src/main.c

@@ -0,0 +1,108 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+// #include <unistd.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <string.h>
+
+#define ALPHABET "1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM[]{}<>()*#"
+
+char *get_random_string(const char *alphabet, int quantity) {
+	// printf("%s\n%ld\n", alphabet, strlen(alphabet));
+	srand(time(NULL));
+	char *str = malloc(sizeof(char*) * quantity);
+	for (int i = 0; i < quantity; i++) {
+		str[i] = alphabet[0+rand()%strlen(alphabet)];
+	}
+	return str;
+}
+
+// char *get_file_extension(char *filename) {
+// 	char *p = NULL;
+//     int i,l;
+//     l=strlen(filename);
+//     for (i=l-1; i>=0; i--)
+//         if (filename[i]=='.')
+//         {
+//             p=filename+i+1;
+//             break;
+//         }
+//     return p;
+// }
+
+// int64_t getFileSize(FILE *file_name){
+// 	int64_t _file_size = 0;
+// 	struct stat _fileStatbuff;
+// 	if ((fstat(fileno(file_name), &_fileStatbuff) != 0) || (!S_ISREG(_fileStatbuff.st_mode))) {
+// 		_file_size = -1;
+// 	}
+// 	else{
+// 		_file_size = _fileStatbuff.st_size;
+// 	}
+// 	return _file_size;
+// }
+
+int main(int argc, char *argv[]) {
+	if (argc == 2) {
+		if (atoi(argv[1]) > 0) {
+			int quantity = atoi(argv[1]);
+			char *pwd = get_random_string(ALPHABET, quantity);
+			printf("Password -> %s\n", pwd);
+			return 0;
+		} else if (atoi(argv[1]) == 0) {
+			// char *file_extension = get_file_extension(argv[1]);
+			// printf("%s\n", file_extension);
+			// printf("%s\n%d\n%d\n", argv[1], strcmp(file_extension, ""), strcmp(file_extension, "txt"));
+			// if (!strcmp(file_extension, "txt")) {
+			// 	FILE *alphabet_file = fopen(argv[1], "r");
+			// 	if (alphabet_file == NULL) {
+			// 		printf("Can't open file\n");
+			// 		return 1;
+			// 	}
+			// 	int64_t size = getFileSize(alphabet_file);
+			// 	// printf("%ld\n", size);
+			// 	char alphabet[size];
+			// 	fgets(alphabet, size+1, alphabet_file);
+			// 	for (int i = 0; i < size; i++){
+			// 		if (alphabet[i] == '\n') {
+			// 			printf("nononono");
+			// 		}else {
+			// 			printf("%c\n", alphabet[i]);
+			// 		}
+			// 	}
+			// 	fclose(alphabet_file);
+			// 	char *pwd = get_random_string(alphabet, 4);
+			// 	printf("Password -> %s\n", pwd);
+			// }
+			// printf("%s\n", get_file_extension(argv[1]));
+			char *pwd = get_random_string(argv[1], 4);
+			printf("Password -> %s\n", pwd);
+		}
+	}
+	if (argc == 3) {
+		int quantity = atoi(argv[2]);
+		char *alphabet = argv[1];
+		char *pwd = get_random_string(alphabet, quantity);
+		printf("Password -> %s\n", pwd);
+	}
+	// char *pwd = get_random_string(ALPHABET, 4);
+	// printf("Password -> %s\n", pwd);
+	return 0;
+}
+
+// int64_t getFileSize(const char* file_name){
+// 	int64_t _file_size = 0;
+// 	FILE* fd = fopen(file_name, "rb");
+// 	if(fd == NULL){
+// 		_file_size = -1;
+// 	}
+// 	else{
+// 		while(getc(fd) != EOF)
+// 			_file_size++;
+// 		fclose(fd);
+// 	}
+// 	return _file_size;
+// }