2: /* 3: Code for manipulating files. 4: */ 5: #include <petscsys.h> 7: /*@C 8: PetscGetHomeDirectory - Returns home directory name. 10: Not Collective 12: Input Parameter: 13: . maxlen - maximum lengh allowed 15: Output Parameter: 16: . dir - contains the home directory. Must be long enough to hold the name. 18: Level: developer 20: Note: 21: If PETSc cannot determine the home directory it makes dir a null string 23: On Windows machines the enviornmental variable HOME specifies the home directory. 25: @*/ 26: PetscErrorCode PetscGetHomeDirectory(char dir[],size_t maxlen) 27: { 28: const char *d1; 30: d1 = getenv("HOME"); 31: if (d1) { 32: PetscStrncpy(dir,d1,maxlen); 33: } else if (maxlen > 0) dir[0] = 0; 34: return 0; 35: } 37: /*@C 38: PetscFixFilename - Fixes a file name so that it is correct for both Unix and 39: Windows by using the correct / or \ to separate directories. 41: Not Collective 43: Input Parameter: 44: . filein - name of file to be fixed 46: Output Parameter: 47: . fileout - the fixed name. Should long enough to hold the filename. 49: Level: advanced 51: Notes: 52: Call PetscFixFilename() just before calling fopen(). 53: @*/ 54: PetscErrorCode PetscFixFilename(const char filein[],char fileout[]) 55: { 56: size_t i,n; 58: if (!filein || !fileout) return 0; 60: PetscStrlen(filein,&n); 61: for (i=0; i<n; i++) { 62: if (filein[i] == PETSC_REPLACE_DIR_SEPARATOR) fileout[i] = PETSC_DIR_SEPARATOR; 63: else fileout[i] = filein[i]; 64: } 65: fileout[n] = 0; 66: return 0; 67: }