1 #define PETSC_DESIRE_FEATURE_TEST_MACROS /* for lstat() */ 2 #include <petscsys.h> 3 #include <sys/stat.h> 4 #if defined(PETSC_HAVE_DIRECT_H) 5 #include <direct.h> 6 #endif 7 #if defined(PETSC_HAVE_IO_H) 8 #include <io.h> 9 #endif 10 #if defined (PETSC_HAVE_STDINT_H) 11 #include <stdint.h> 12 #endif 13 #if defined(PETSC_HAVE_UNISTD_H) /* for mkdtemp */ 14 #include <unistd.h> 15 #endif 16 17 PetscErrorCode PetscPathJoin(const char dname[],const char fname[],size_t n,char fullname[]) 18 { 19 PetscErrorCode ierr; 20 size_t l1,l2; 21 PetscFunctionBegin; 22 ierr = PetscStrlen(dname,&l1);CHKERRQ(ierr); 23 ierr = PetscStrlen(fname,&l2);CHKERRQ(ierr); 24 if ((l1+l2+2)>n) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_SIZ,"Path length is greater than buffer size"); 25 ierr = PetscStrncpy(fullname,dname,n);CHKERRQ(ierr); 26 ierr = PetscStrlcat(fullname,"/",n);CHKERRQ(ierr); 27 ierr = PetscStrlcat(fullname,fname,n);CHKERRQ(ierr); 28 PetscFunctionReturn(0); 29 } 30 31 PetscErrorCode PetscMkdir(const char dir[]) 32 { 33 int err; 34 PetscErrorCode ierr; 35 PetscBool flg; 36 37 PetscFunctionBegin; 38 ierr = PetscTestDirectory(dir,'w',&flg);CHKERRQ(ierr); 39 if (flg) PetscFunctionReturn(0); 40 #if defined(PETSC_HAVE__MKDIR) && defined(PETSC_HAVE_DIRECT_H) 41 err = _mkdir(dir); 42 #else 43 err = mkdir(dir,S_IRWXU|S_IRGRP|S_IXGRP); 44 #endif 45 if(err) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not create dir: %s",dir); 46 PetscFunctionReturn(0); 47 } 48 49 /*@C 50 PetscMkdtemp - Create a folder with a unique name given a filename template. 51 52 Not Collective 53 54 Input Parameters: 55 . dir - file name template, the last six characters must be 'XXXXXX', and they will be modified upon return 56 57 Level: developer 58 59 .seealso: PetscMkdir() 60 @*/ 61 PetscErrorCode PetscMkdtemp(char dir[]) 62 { 63 PetscFunctionBegin; 64 dir = mkdtemp(dir); 65 if(!dir) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not create temporary dir using the template: %s",dir); 66 PetscFunctionReturn(0); 67 } 68 69 #if defined(PETSC_HAVE_DIRECT_H) 70 PetscErrorCode PetscRMTree(const char dir[]) 71 { 72 PetscErrorCode ierr; 73 struct _finddata_t data; 74 char loc[PETSC_MAX_PATH_LEN]; 75 PetscBool flg1, flg2; 76 #if defined (PETSC_HAVE_STDINT_H) 77 intptr_t handle; 78 #else 79 long handle; 80 #endif 81 82 PetscFunctionBegin; 83 ierr = PetscPathJoin(dir,"*",PETSC_MAX_PATH_LEN,loc);CHKERRQ(ierr); 84 handle = _findfirst(loc, &data); 85 if (handle == -1) { 86 PetscBool flg; 87 ierr = PetscTestDirectory(loc,'r',&flg);CHKERRQ(ierr); 88 if (flg) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Cannot access directory to delete: %s",dir); 89 ierr = PetscTestFile(loc,'r',&flg);CHKERRQ(ierr); 90 if (flg) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Specified path is a file - not a dir: %s",dir); 91 PetscFunctionReturn(0); /* perhaps the dir was not yet created */ 92 } 93 while (_findnext(handle, &data) != -1) { 94 ierr = PetscStrcmp(data.name, ".",&flg1);CHKERRQ(ierr); 95 ierr = PetscStrcmp(data.name, "..",&flg2);CHKERRQ(ierr); 96 if (flg1 || flg2) continue; 97 ierr = PetscPathJoin(dir,data.name,PETSC_MAX_PATH_LEN,loc);CHKERRQ(ierr); 98 if (data.attrib & _A_SUBDIR) { 99 ierr = PetscRMTree(loc);CHKERRQ(ierr); 100 } else{ 101 if (remove(loc)) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not delete file: %s",loc); 102 } 103 } 104 _findclose(handle); 105 if (_rmdir(dir)) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not delete dir: %s",dir); 106 PetscFunctionReturn(0); 107 } 108 #else 109 #include <dirent.h> 110 #include <unistd.h> 111 PetscErrorCode PetscRMTree(const char dir[]) 112 { 113 PetscErrorCode ierr; 114 struct dirent *data; 115 char loc[PETSC_MAX_PATH_LEN]; 116 PetscBool flg1, flg2; 117 DIR *dirp; 118 struct stat statbuf; 119 120 PetscFunctionBegin; 121 dirp = opendir(dir); 122 if(!dirp) { 123 PetscBool flg; 124 ierr = PetscTestDirectory(dir,'r',&flg);CHKERRQ(ierr); 125 if (flg) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Cannot access directory to delete: %s",dir); 126 ierr = PetscTestFile(dir,'r',&flg);CHKERRQ(ierr); 127 if (flg) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Specified path is a file - not a dir: %s",dir); 128 PetscFunctionReturn(0); /* perhaps the dir was not yet created */ 129 } 130 while((data = readdir(dirp))) { 131 ierr = PetscStrcmp(data->d_name, ".",&flg1);CHKERRQ(ierr); 132 ierr = PetscStrcmp(data->d_name, "..",&flg2);CHKERRQ(ierr); 133 if (flg1 || flg2) continue; 134 ierr = PetscPathJoin(dir,data->d_name,PETSC_MAX_PATH_LEN,loc);CHKERRQ(ierr); 135 if (lstat(loc,&statbuf) <0) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"cannot run lstat() on: %s",loc); 136 if (S_ISDIR(statbuf.st_mode)) { 137 ierr = PetscRMTree(loc);CHKERRQ(ierr); 138 } else { 139 if (unlink(loc)) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not delete file: %s",loc); 140 } 141 } 142 closedir(dirp); 143 if (rmdir(dir)) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not delete dir: %s",dir); 144 PetscFunctionReturn(0); 145 } 146 #endif 147