Tasks of file_io

Author: paulina351

0x15-file_io/100-elf_header.c

@@ -7,3 +7,123 @@
 #include <unistd.h>
 
 void check_elf(unsigned char *e_ident);
+void print_magic(unsigned char * e_ident);
+void print_class(unsigned char * e_ident);
+void print_data(unsigned char * e_ident);
+void print_version(unsigned char * e_ident);
+void print_abi(unsigned char * e_ident);
+void print_osabi(unsigned char * e_ident);
+void print_entry(unsigned long int e_entry, unsigned char *e_ident);
+void close_elf(int elf);
+
+/**
+ * check_elf - check if its ELF file
+ * @e_ident: a pointer
+ * Description: exit 98 if its not ELF file
+ */
+void check_elf(unsigned char *e_ident)
+{
+	int start;
+
+	for (start = 0; start < 4; start++)
+	{
+		if (e_ident[start] != 127 &&
+		e_ident[start] != 'E' &&
+		e_ident[start] != 'L' &&
+		e_ident[start] != 'F')
+		{
+			dprintf(STDERR_FILENO, "Error: Not an ELF file\n");
+			exit(98);
+		}
+	}
+}
+
+/**
+ * print_magic - prints a magic number of an ELF header
+ * @e_ident: a pointer
+ * Description: print magic number
+ */
+void print_magic(unsigned char *e_ident)
+{
+	int start;
+
+	printf(" Magic: ");
+
+	for (start = 0; start < EI_NIDENT; start++)
+	{
+		printf("%02x", e_ident[start]);
+
+		if (start == EI_NIDENT - 1)
+			printf("\n");
+		else
+			printf(" ");
+	}
+}
+
+/**
+ * print_class - prints the class of ELF header
+ * @e_ident: a pointer
+ * Description: print class
+ */
+void print_class(unsigned char *e_ident)
+{
+	printf(" class:		");
+
+	switch (e_ident[EI_CLASS])
+	{
+		case ELFCLASSNONE:
+			printf("none\n");
+			break;
+		case ELFCLASS32;
+			printf("ELF32\n");
+			break;
+		case ELFCLASS64;
+			printf("ELF64\n");
+			break;
+		default:
+			printf("<unknown: %x>\n", e_ident[EL_CLASS]);
+	}
+}
+
+/**
+ * print_data - print the data of ELF header
+ * @e_ident: a pointer
+ * Description: print data
+ */
+void print_data(unsigned char *e_ident)
+{
+	print(" Data:		");
+
+	switch (e_ident[EL_DATA])
+	{
+		case ELFDATANONE:
+			printf("none\n");
+			break;
+		case ELFDATA2LSB:
+			printf("2's complement, little endian\n");
+			break;
+		case ELFDATA2MSB:
+			printf("2's complement, big endian\n");
+			break;
+		default:
+			printf("<unknown: %x>\n", e_ident[EL_CLASS]);
+	}
+}
+
+/**
+ * print_version - prints the version of the ELF header
+ * @e_ident: a pointer
+ * Description: print version
+ */
+void print_version(unsigned char *e_ident)
+{
+	printf(" Version: %d",
+		e_ident[EI_VERSION]);
+
+	switch (e_ident[EI_VERSION])
+	{
+		case EV_CURRENT:
+			printf(" (current)\n");
+				break;
+		default:
+				printf("\n");

0x15-file_io/2-append_text_to_file.c

@@ -3,7 +3,7 @@
 /**
  * append_text_to_file - append text to the end of a file
  * @filename: the name of the file
- * @text_content: NULL terminated string to the end of the file 
+ * @text_content: NULL terminated string to the end of the file
  * Return: 1 or -1
  */
 int append_text_to_file(const char *filename, char *text_content)