eat-path.c

来自「用于汇编领域的,运用于OS的MAIN函数.基于硬件基础的源代码」· C语言 代码 · 共 19 行

#include "fs.h"
// routines to handle file name path
int get_next_fname(char *path, char *dir){
// get next path component in path, and put it in dir. 
// if we have the last component return 1; otherwise return 0 
// if path was "aaa/bbb/ccc", dir= "aaa" and  return value is 0
// if path was "ccc", dir ="ccc", and return value is 1
   return get_next_tok(path, dir, '/');
}

char * move_to_remaining_path(char *path){
// if path is "aaa/bbb/ccc", this function will return "bbb/ccc"
   int n=findloc(path, '/');
   if (n==-1) // there is no remaining path. return NULL
      return 0;
   else 
      return (&path[n+1]);
}