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 #if defined(PETSC_HAVE_WINDOWS_H) && defined(PETSC_HAVE_IO_H) && defined(PETSC_HAVE__MKDIR) && defined(PETSC_HAVE_DIRECT_H) 65 { 66 int err = 1; 67 PetscInt i = 0,max_retry_time = 26; 68 size_t len; 69 PetscErrorCode ierr; 70 71 ierr = PetscStrlen(dir,&len);CHKERRQ(ierr); 72 while (err && i<max_retry_time) { 73 err = _mktemp_s(dir,len+1); 74 if (err) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not generate a unique name using the template: %s",dir); 75 err = _mkdir(dir); 76 i++; 77 } 78 if (err) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Exceeds maximum retry time when creating temporary dir: %s",dir); 79 } 80 #else 81 dir = mkdtemp(dir); 82 if(!dir) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not create temporary dir using the template: %s",dir); 83 #endif 84 PetscFunctionReturn(0); 85 } 86 87 #if defined(PETSC_HAVE_DIRECT_H) 88 PetscErrorCode PetscRMTree(const char dir[]) 89 { 90 PetscErrorCode ierr; 91 struct _finddata_t data; 92 char loc[PETSC_MAX_PATH_LEN]; 93 PetscBool flg1, flg2; 94 #if defined (PETSC_HAVE_STDINT_H) 95 intptr_t handle; 96 #else 97 long handle; 98 #endif 99 100 PetscFunctionBegin; 101 ierr = PetscPathJoin(dir,"*",PETSC_MAX_PATH_LEN,loc);CHKERRQ(ierr); 102 handle = _findfirst(loc, &data); 103 if (handle == -1) { 104 PetscBool flg; 105 ierr = PetscTestDirectory(loc,'r',&flg);CHKERRQ(ierr); 106 if (flg) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Cannot access directory to delete: %s",dir); 107 ierr = PetscTestFile(loc,'r',&flg);CHKERRQ(ierr); 108 if (flg) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Specified path is a file - not a dir: %s",dir); 109 PetscFunctionReturn(0); /* perhaps the dir was not yet created */ 110 } 111 while (_findnext(handle, &data) != -1) { 112 ierr = PetscStrcmp(data.name, ".",&flg1);CHKERRQ(ierr); 113 ierr = PetscStrcmp(data.name, "..",&flg2);CHKERRQ(ierr); 114 if (flg1 || flg2) continue; 115 ierr = PetscPathJoin(dir,data.name,PETSC_MAX_PATH_LEN,loc);CHKERRQ(ierr); 116 if (data.attrib & _A_SUBDIR) { 117 ierr = PetscRMTree(loc);CHKERRQ(ierr); 118 } else{ 119 if (remove(loc)) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not delete file: %s",loc); 120 } 121 } 122 _findclose(handle); 123 if (_rmdir(dir)) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not delete dir: %s",dir); 124 PetscFunctionReturn(0); 125 } 126 #else 127 #include <dirent.h> 128 #include <unistd.h> 129 PetscErrorCode PetscRMTree(const char dir[]) 130 { 131 PetscErrorCode ierr; 132 struct dirent *data; 133 char loc[PETSC_MAX_PATH_LEN]; 134 PetscBool flg1, flg2; 135 DIR *dirp; 136 struct stat statbuf; 137 138 PetscFunctionBegin; 139 dirp = opendir(dir); 140 if(!dirp) { 141 PetscBool flg; 142 ierr = PetscTestDirectory(dir,'r',&flg);CHKERRQ(ierr); 143 if (flg) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Cannot access directory to delete: %s",dir); 144 ierr = PetscTestFile(dir,'r',&flg);CHKERRQ(ierr); 145 if (flg) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Specified path is a file - not a dir: %s",dir); 146 PetscFunctionReturn(0); /* perhaps the dir was not yet created */ 147 } 148 while((data = readdir(dirp))) { 149 ierr = PetscStrcmp(data->d_name, ".",&flg1);CHKERRQ(ierr); 150 ierr = PetscStrcmp(data->d_name, "..",&flg2);CHKERRQ(ierr); 151 if (flg1 || flg2) continue; 152 ierr = PetscPathJoin(dir,data->d_name,PETSC_MAX_PATH_LEN,loc);CHKERRQ(ierr); 153 if (lstat(loc,&statbuf) <0) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"cannot run lstat() on: %s",loc); 154 if (S_ISDIR(statbuf.st_mode)) { 155 ierr = PetscRMTree(loc);CHKERRQ(ierr); 156 } else { 157 if (unlink(loc)) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not delete file: %s",loc); 158 } 159 } 160 closedir(dirp); 161 if (rmdir(dir)) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_UNEXPECTED,"Could not delete dir: %s",dir); 162 PetscFunctionReturn(0); 163 } 164 #endif 165