libc

my libc
git clone git://git.evenfri.pw/libc.git
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getcwd.c (297B)

      1 /*
      2  * getcwd.c - get current working directory
      3  * Copyright (C) 2026. All rights reserved.
      4  */
      5 
      6 #include "libc.h"
      7 
      8 char *getcwd(char *buf, size_t size) {
      9   long ret = syscall(SYS_getcwd, (long)buf, (long)size, 0, 0, 0, 0);
     10 
     11   if (ret < 0) {
     12     errno = -ret;
     13     return NULL;
     14   }
     15 
     16   return buf;
     17 }