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 Parameter: 30 . len - maximum length of `path` 31 32 Output Parameter: 33 . path - holds the result value. The string should be long enough to hold the path, for example, `PETSC_MAX_PATH_LEN` 34 35 Level: developer 36 37 .seealso: `PetscGetTmp()`, `PetscSharedTmp()`, `PetscSharedWorkingDirectory()`, `PetscGetHomeDirectory()` 38 @*/ 39 PetscErrorCode PetscGetWorkingDirectory(char path[], size_t len) 40 { 41 PetscFunctionBegin; 42 #if defined(PETSC_HAVE_GETCWD) 43 PetscCheck(getcwd(path, len), 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 PetscFunctionReturn(PETSC_SUCCESS); 52 } 53