Actual source code: fwd.c

      2: /*
      3:       Code for manipulating files.
      4: */
      5: #include <petscsys.h>
      6: #if defined(PETSC_HAVE_PWD_H)
      7: #include <pwd.h>
      8: #endif
      9: #include <ctype.h>
     10: #include <sys/stat.h>
     11: #if defined(PETSC_HAVE_UNISTD_H)
     12: #include <unistd.h>
     13: #endif
     14: #if defined(PETSC_HAVE_SYS_UTSNAME_H)
     15: #include <sys/utsname.h>
     16: #endif
     17: #if defined(PETSC_HAVE_DIRECT_H)
     18: #include <direct.h>
     19: #endif
     20: #if defined(PETSC_HAVE_SYS_SYSTEMINFO_H)
     21: #include <sys/systeminfo.h>
     22: #endif

     24: /*@C
     25:    PetscGetWorkingDirectory - Gets the current working directory.

     27:    Not Collective

     29:    Input Parameters:
     30: .  len  - maximum length of path

     32:    Output Parameter:
     33: .  path - use to hold the result value. The string should be long enough
     34:           to hold the path.

     36:    Level: developer

     38: @*/
     39: PetscErrorCode  PetscGetWorkingDirectory(char path[],size_t len)
     40: {
     42: #if defined(PETSC_HAVE_GETCWD)
     43:   if (!getcwd(path,len)) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"getcwd()");
     44: #elif defined(PETSC_HAVE__GETCWD)
     45:   _getcwd(path,len);
     46: #elif defined(PETSC_HAVE_GETWD)
     47:   getwd(path);
     48: #else
     49:   SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP_SYS, "Could not find getcwd() or getwd()");
     50: #endif
     51:   return(0);
     52: }