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 23bf31d2d3SBarry Smith #include <errno.h> 24e5c89e4eSSatish Balay 25e5c89e4eSSatish Balay /*@C 26e5c89e4eSSatish Balay PetscGetWorkingDirectory - Gets the current working directory. 27e5c89e4eSSatish Balay 28e5c89e4eSSatish Balay Not Collective 29e5c89e4eSSatish Balay 302fe279fdSBarry Smith Input Parameter: 3121532e8aSBarry Smith . len - maximum length of `path` 32e5c89e4eSSatish Balay 33e5c89e4eSSatish Balay Output Parameter: 3421532e8aSBarry Smith . path - holds the result value. The string should be long enough to hold the path, for example, `PETSC_MAX_PATH_LEN` 35e5c89e4eSSatish Balay 36e5c89e4eSSatish Balay Level: developer 37e5c89e4eSSatish Balay 38811af0c4SBarry Smith .seealso: `PetscGetTmp()`, `PetscSharedTmp()`, `PetscSharedWorkingDirectory()`, `PetscGetHomeDirectory()` 39e5c89e4eSSatish Balay @*/ 40d71ae5a4SJacob Faibussowitsch PetscErrorCode PetscGetWorkingDirectory(char path[], size_t len) 41d71ae5a4SJacob Faibussowitsch { 42167ada76SJed Brown PetscFunctionBegin; 43e5c89e4eSSatish Balay #if defined(PETSC_HAVE_GETCWD) 44bf31d2d3SBarry Smith PetscCheck(getcwd(path, len), PETSC_COMM_SELF, PETSC_ERR_LIB, "Error in getcwd() due to \"%s\"", strerror(errno)); 45e5c89e4eSSatish Balay #elif defined(PETSC_HAVE__GETCWD) 46e5c89e4eSSatish Balay _getcwd(path, len); 47e5c89e4eSSatish Balay #else 48*4e04ae5aSSatish Balay SETERRQ(PETSC_COMM_SELF, PETSC_ERR_SUP_SYS, "Could not find getcwd()"); 49e5c89e4eSSatish Balay #endif 503ba16761SJacob Faibussowitsch PetscFunctionReturn(PETSC_SUCCESS); 51e5c89e4eSSatish Balay } 52