1 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 23 24 /*@C 25 PetscGetWorkingDirectory - Gets the current working directory. 26 27 Not Collective 28 29 Input Parameters: 30 . len - maximum length of path 31 32 Output Parameter: 33 . path - use to hold the result value. The string should be long enough 34 to hold the path. 35 36 Level: developer 37 38 Concepts: working directory 39 40 @*/ 41 PetscErrorCode PetscGetWorkingDirectory(char path[],size_t len) 42 { 43 PetscFunctionBegin; 44 #if defined(PETSC_HAVE_GETCWD) 45 if (!getcwd(path,len)) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"getcwd()"); 46 #elif defined(PETSC_HAVE__GETCWD) 47 _getcwd(path,len); 48 #elif defined(PETSC_HAVE_GETWD) 49 getwd(path); 50 #else 51 SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP_SYS, "Could not find getcwd() or getwd()"); 52 #endif 53 PetscFunctionReturn(0); 54 } 55 56