tar_file_read

include/config.h

@@ -45,6 +45,9 @@
 #define USER_STACK_PAGES 16 // 16*4096 = 64kb
 #define USER_CODE_START 0x400000 // like linux
 
+/* fs */
+#define CALYXFS_FILES_MAX 10
+
 /* paging */
 #define PAGING_MAX_PHYS 0x200000000
 

include/fs/tar.h

@@ -0,0 +1,36 @@
+/*
+ * @author  xamidev <xamidev@riseup.net>
+ * @brief   Tape archive (TAR) filesystem definitions
+ * @license GPL-3.0-only
+ */
+
+#ifndef TAR_H
+#define TAR_H
+
+#include <stdint.h>
+#include <limine.h>
+
+struct tar_header
+{
+    char filename[100];
+    char mode[8];
+    char uid[8];
+    char gid[8];
+    char size[12];
+    char mtime[12];
+    char chksum[8];
+    char typeflag[1];
+};
+
+struct tar_file
+{
+    void* address;
+    uint64_t size;
+};
+
+unsigned int tar_parse(uint64_t address);
+int tar_init_fs(struct limine_file* file);
+struct tar_header* tar_file_lookup(const char* filename);
+void tar_file_read(struct tar_header* header, uint8_t* buf);
+
+#endif

include/string/string.h

@@ -13,5 +13,6 @@ char *strcpy(char *dest, const char *src);
 char *strcat(char *dest, const char *src);
 void strncpy(char* dst, const char* src, size_t n);
 int strncmp(const char* s1, const char* s2, size_t n);
+size_t strlen(const char *str);
 
 #endif