1 2 #include <petscsys.h> 3 #if defined(PETSC_HAVE_PWD_H) 4 #include <pwd.h> 5 #endif 6 #include <ctype.h> 7 #include <sys/stat.h> 8 #if defined(PETSC_HAVE_UNISTD_H) 9 #include <unistd.h> 10 #endif 11 #if defined(PETSC_HAVE_SYS_UTSNAME_H) 12 #include <sys/utsname.h> 13 #endif 14 #if defined(PETSC_HAVE_SYS_SYSTEMINFO_H) 15 #include <sys/systeminfo.h> 16 #endif 17 18 /*@C 19 PetscGetRelativePath - Given a filename, returns the relative path (removes 20 all directory specifiers). 21 22 Not Collective 23 24 Input parameters: 25 + fullpath - full pathname 26 . path - pointer to buffer to hold relative pathname 27 - flen - size of path 28 29 Level: developer 30 31 Concepts: relative path 32 Concepts: path^relative 33 34 .seealso: PetscGetFullPath() 35 @*/ 36 PetscErrorCode PetscGetRelativePath(const char fullpath[],char path[],size_t flen) 37 { 38 char *p; 39 PetscErrorCode ierr; 40 41 PetscFunctionBegin; 42 /* Find string after last / or entire string if no / */ 43 ierr = PetscStrrchr(fullpath,'/',&p);CHKERRQ(ierr); 44 ierr = PetscStrncpy(path,p,flen);CHKERRQ(ierr); 45 PetscFunctionReturn(0); 46 } 47