17d0a6c19SBarry Smith 2e5c89e4eSSatish Balay /* 3e5c89e4eSSatish Balay Code for manipulating files. 4e5c89e4eSSatish Balay */ 5c6db04a5SJed Brown #include <petscsys.h> 6e5c89e4eSSatish Balay #if defined(PETSC_HAVE_PWD_H) 7e5c89e4eSSatish Balay #include <pwd.h> 8e5c89e4eSSatish Balay #endif 9e5c89e4eSSatish Balay #include <ctype.h> 10e5c89e4eSSatish Balay #include <sys/stat.h> 11e5c89e4eSSatish Balay #if defined(PETSC_HAVE_UNISTD_H) 12e5c89e4eSSatish Balay #include <unistd.h> 13e5c89e4eSSatish Balay #endif 14e5c89e4eSSatish Balay #if defined(PETSC_HAVE_SYS_UTSNAME_H) 15e5c89e4eSSatish Balay #include <sys/utsname.h> 16e5c89e4eSSatish Balay #endif 17e5c89e4eSSatish Balay #if defined(PETSC_HAVE_DIRECT_H) 18e5c89e4eSSatish Balay #include <direct.h> 19e5c89e4eSSatish Balay #endif 20e5c89e4eSSatish Balay #if defined(PETSC_HAVE_SYS_SYSTEMINFO_H) 21e5c89e4eSSatish Balay #include <sys/systeminfo.h> 22e5c89e4eSSatish Balay #endif 23e5c89e4eSSatish Balay 24e5c89e4eSSatish Balay /*@C 25e5c89e4eSSatish Balay PetscGetWorkingDirectory - Gets the current working directory. 26e5c89e4eSSatish Balay 27e5c89e4eSSatish Balay Not Collective 28e5c89e4eSSatish Balay 292fe279fdSBarry Smith Input Parameter: 30*21532e8aSBarry Smith . len - maximum length of `path` 31e5c89e4eSSatish Balay 32e5c89e4eSSatish Balay Output Parameter: 33*21532e8aSBarry Smith . path - holds the result value. The string should be long enough to hold the path, for example, `PETSC_MAX_PATH_LEN` 34e5c89e4eSSatish Balay 35e5c89e4eSSatish Balay Level: developer 36e5c89e4eSSatish Balay 37811af0c4SBarry Smith .seealso: `PetscGetTmp()`, `PetscSharedTmp()`, `PetscSharedWorkingDirectory()`, `PetscGetHomeDirectory()` 38e5c89e4eSSatish Balay @*/ 39d71ae5a4SJacob Faibussowitsch PetscErrorCode PetscGetWorkingDirectory(char path[], size_t len) 40d71ae5a4SJacob Faibussowitsch { 41167ada76SJed Brown PetscFunctionBegin; 42e5c89e4eSSatish Balay #if defined(PETSC_HAVE_GETCWD) 4308401ef6SPierre Jolivet PetscCheck(getcwd(path, len), PETSC_COMM_SELF, PETSC_ERR_LIB, "getcwd()"); 44e5c89e4eSSatish Balay #elif defined(PETSC_HAVE__GETCWD) 45e5c89e4eSSatish Balay _getcwd(path, len); 46e5c89e4eSSatish Balay #elif defined(PETSC_HAVE_GETWD) 47e5c89e4eSSatish Balay getwd(path); 48e5c89e4eSSatish Balay #else 49e32f2f54SBarry Smith SETERRQ(PETSC_COMM_SELF, PETSC_ERR_SUP_SYS, "Could not find getcwd() or getwd()"); 50e5c89e4eSSatish Balay #endif 513ba16761SJacob Faibussowitsch PetscFunctionReturn(PETSC_SUCCESS); 52e5c89e4eSSatish Balay } 53