diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5F.c | 41 | ||||
| -rw-r--r-- | src/H5Fpkg.h | 1 | ||||
| -rw-r--r-- | src/H5Fprivate.h | 3 | ||||
| -rw-r--r-- | src/H5Lexternal.c | 200 | ||||
| -rw-r--r-- | src/H5config.h.in | 3 | ||||
| -rw-r--r-- | src/H5private.h | 47 | ||||
| -rw-r--r-- | src/H5system.c | 96 |
7 files changed, 360 insertions, 31 deletions
@@ -978,6 +978,9 @@ done: * Programmer: Robb Matzke * matzke@llnl.gov * Jul 18 1997 + * Modifications: + * Vailin Choi, April 2, 2008 + * Free f->extpath * *------------------------------------------------------------------------- */ @@ -1068,6 +1071,7 @@ H5F_dest(H5F_t *f, hid_t dxpl_id) /* Free the non-shared part of the file */ f->name = H5MM_xfree(f->name); + f->extpath = H5MM_xfree(f->extpath); f->mtab.child = H5MM_xfree(f->mtab.child); f->mtab.nalloc = 0; if(H5FO_top_dest(f) < 0) @@ -1078,6 +1082,8 @@ H5F_dest(H5F_t *f, hid_t dxpl_id) FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_dest() */ + + /*------------------------------------------------------------------------- * Function: H5F_open @@ -1157,6 +1163,9 @@ H5F_dest(H5F_t *f, hid_t dxpl_id) * Modified H5F_flush call to take one flag instead of * multiple Boolean flags. * + * Vailin Choi, 2008-04-02 + * To formulate path for later searching of target file for external link + * via H5_build_extpath(). *------------------------------------------------------------------------- */ H5F_t * @@ -1353,6 +1362,10 @@ H5F_open(const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id, hid_t d HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "file close degree doesn't match") } /* end if */ + /* formulate the absolute path for later search of target file for external link */ + if (H5_build_extpath(name, &file->extpath) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "unable to build extpath") + /* Success */ ret_value = file; @@ -2140,6 +2153,33 @@ H5F_get_intent(const H5F_t *f) /*------------------------------------------------------------------------- + * Function: H5F_get_extpath + * + * Purpose: Retrieve the file's 'extpath' flags + * This is used by H5L_extern_traverse() to retrieve the main file's location + * when searching the target file. + * + * Return: 'extpath' on success/abort on failure (shouldn't fail) + * + * Programmer: Vailin Choi, April 2, 2008 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +char * +H5F_get_extpath(const H5F_t *f) +{ + /* Use FUNC_ENTER_NOAPI_NOINIT_NOFUNC here to avoid performance issues */ + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5F_get_extpath) + + HDassert(f); + + FUNC_LEAVE_NOAPI(f->extpath) +} /* end H5F_get_extpath() */ + + +/*------------------------------------------------------------------------- * Function: H5F_sizeof_addr * * Purpose: Quick and dirty routine to retrieve the size of the file's size_t @@ -3618,4 +3658,3 @@ H5Fget_info(hid_t obj_id, H5F_info_t *finfo) done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_info() */ - diff --git a/src/H5Fpkg.h b/src/H5Fpkg.h index 3f10e1a..288ef8a 100644 --- a/src/H5Fpkg.h +++ b/src/H5Fpkg.h @@ -142,6 +142,7 @@ typedef struct H5F_mtab_t { struct H5F_t { unsigned intent; /* The flags passed to H5F_open()*/ char *name; /* Name used to open file */ + char *extpath; /* Path for searching target external link file */ H5F_file_t *shared; /* The shared file info */ unsigned nopen_objs; /* Number of open object headers*/ H5FO_t *obj_count; /* # of time each object is opened through top file structure */ diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h index 1044b14..27b45f2 100644 --- a/src/H5Fprivate.h +++ b/src/H5Fprivate.h @@ -265,6 +265,7 @@ typedef struct H5F_t H5F_t; #define H5F_GC_REF(F) ((F)->shared->gc_ref) #define H5F_USE_LATEST_FORMAT(F) ((F)->shared->latest_format) #define H5F_INTENT(F) ((F)->intent) +#define H5F_EXTPATH(F) ((F)->extpath) #define H5F_GET_FC_DEGREE(F) ((F)->shared->fc_degree) #define H5F_STORE_MSG_CRT_IDX(F) ((F)->shared->store_msg_crt_idx) #define H5F_GET_FILENO(F,FILENUM) ((FILENUM) = (F)->shared->lf->fileno) @@ -284,6 +285,7 @@ typedef struct H5F_t H5F_t; #define H5F_GC_REF(F) (H5F_gc_ref(F)) #define H5F_USE_LATEST_FORMAT(F) (H5F_use_latest_format(F)) #define H5F_INTENT(F) (H5F_get_intent(F)) +#define H5F_EXTPATH(F) (H5F_get_extpath(F)) #define H5F_GET_FC_DEGREE(F) (H5F_get_fc_degree(F)) #define H5F_STORE_MSG_CRT_IDX(F) (H5F_store_msg_crt_idx(F)) #define H5F_GET_FILENO(F,FILENUM) (H5F_get_filenum((F), &(FILENUM))) @@ -417,6 +419,7 @@ H5_DLL herr_t H5F_try_close(H5F_t *f); H5_DLL hid_t H5F_get_driver_id(const H5F_t *f); H5_DLL hid_t H5F_get_access_plist(H5F_t *f); H5_DLL unsigned H5F_get_intent(const H5F_t *f); +H5_DLL char *H5F_get_extpath(const H5F_t *f); H5_DLL herr_t H5F_get_fileno(const H5F_t *f, unsigned long *filenum); H5_DLL hid_t H5F_get_id(H5F_t *file); H5_DLL unsigned H5F_get_obj_count(const H5F_t *f, unsigned types); diff --git a/src/H5Lexternal.c b/src/H5Lexternal.c index 5a8eb33..4e355bb 100644 --- a/src/H5Lexternal.c +++ b/src/H5Lexternal.c @@ -76,6 +76,81 @@ H5L_init_extern_interface(void) } /* H5L_init_extern_interface() */ + +/*-------------------------------------------------------------------------- + * Function: H5L_getenv_prefix_name -- + * + * Purpose: Get the first pathname in the list of pathnames stored in ENV_PREFIX, + * which is separated by the environment delimiter. + * ENV_PREFIX is modified to point to the remaining pathnames + * in the list. + * + * Return: A pointer to a pathname + * + * Programmer: Vailin Choi, April 2, 2008 + * +--------------------------------------------------------------------------*/ +static char * +H5L_getenv_prefix_name(char **env_prefix/*in,out*/) +{ + char *retptr=NULL; + char *strret=NULL; + + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5L_getenv_prefix_name) + + strret = HDstrchr(*env_prefix, COLON_SEPC); + if (strret == NULL) { + retptr = *env_prefix; + *env_prefix = strret; + } else { + retptr = *env_prefix; + *env_prefix = strret + 1; + *strret = '\0'; + } + return(retptr); + FUNC_LEAVE_NOAPI(retptr) +} + + +/*-------------------------------------------------------------------------- + * Function: H5L_build_name + * + * Purpose: Prepend PREFIX to FILE_NAME and store in FULL_NAME + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Vailin Choi, April 2, 2008 + * +--------------------------------------------------------------------------*/ +static herr_t +H5L_build_name(char *prefix, char *file_name, char **full_name/*out*/) +{ + size_t prefix_len; /* length of prefix */ + size_t fname_len; /* Length of external link file name */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT(H5L_build_name) + + prefix_len = HDstrlen(prefix); + fname_len = HDstrlen(file_name); + + /* Allocate a buffer to hold the filename + prefix + possibly the delimiter + terminating null byte */ + if(NULL == (*full_name = H5MM_malloc(prefix_len + fname_len + 2))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "unable to allocate filename buffer") + + /* Copy the prefix into the buffer */ + HDstrcpy(*full_name, prefix); + if (!CHECK_DELIMITER(prefix[prefix_len-1])) + HDstrcat(*full_name, DIR_SEPS); + + /* Add the external link's filename to the prefix supplied */ + HDstrcat(*full_name, file_name); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5L_build_name() */ + + /*------------------------------------------------------------------------- * Function: H5L_extern_traverse * @@ -92,6 +167,10 @@ H5L_init_extern_interface(void) * * Programmer: James Laird * Monday, July 10, 2006 + * Modifications: + * Vailin Choi, April 2, 2008 + * Add handling to search for the target file + * See description in RM: H5Lcreate_external * *------------------------------------------------------------------------- */ @@ -114,6 +193,11 @@ H5L_extern_traverse(const char UNUSED *link_name, hid_t cur_group, hid_t ext_obj = -1; /* ID for external link's object */ hid_t ret_value; /* Return value */ + char *tempname=NULL, *ptr=NULL, *extpath=NULL; + char *env_prefix=NULL, *tmp_env_prefix=NULL; + char *out_prefix_name=NULL, *pp=NULL; + + FUNC_ENTER_NOAPI(H5L_extern_traverse, FAIL) /* Sanity checks */ @@ -135,28 +219,6 @@ H5L_extern_traverse(const char UNUSED *link_name, hid_t cur_group, if(NULL == (plist = H5P_object_verify(lapl_id, H5P_LINK_ACCESS))) HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") - /* Get the current prefix */ - if(H5P_get(plist, H5L_ACS_ELINK_PREFIX_NAME, &my_prefix) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get external link prefix") - - /* Check for prefix being set, if so, prepend it to the filename */ - if(my_prefix) { - size_t prefix_len = HDstrlen(my_prefix); - - /* Allocate a buffer to hold the filename plus prefix */ - if(NULL == (full_name = H5MM_malloc(prefix_len + fname_len + 1))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "unable to allocate filename buffer") - - /* Copy the prefix into the buffer */ - HDstrcpy(full_name, my_prefix); - - /* Add the external link's filename to the prefix supplied */ - HDstrcat(full_name, (const char *)p); - - /* Point to name w/prefix */ - file_name = full_name; - } /* end if */ - /* Get the location for the group holding the external link */ if(H5G_loc(cur_group, &loc) < 0) HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "can't get object location") @@ -183,10 +245,92 @@ H5L_extern_traverse(const char UNUSED *link_name, hid_t cur_group, HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set file close degree") } /* end if */ - /* Open the external file */ - /* (extra work with file intent to mask off inappropriate flags) */ - if(NULL == (ext_file = H5F_open(file_name, ((intent & H5F_ACC_RDWR) ? H5F_ACC_RDWR : H5F_ACC_RDONLY), H5P_FILE_CREATE_DEFAULT, fapl_id, H5AC_dxpl_id))) - HGOTO_ERROR(H5E_LINK, H5E_CANTOPENFILE, FAIL, "unable to open external file") + /* + * Start searching for the target file + */ + if ((tempname=H5MM_strdup(file_name)) == NULL) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") + + /* target file_name is an absolute pathname: see RM for detailed description */ + if (CHECK_ABSOLUTE(file_name) || CHECK_ABS_PATH(file_name)) { + if(NULL == (ext_file = H5F_open(file_name, ((intent & H5F_ACC_RDWR) ? H5F_ACC_RDWR : H5F_ACC_RDONLY), + H5P_FILE_CREATE_DEFAULT, fapl_id, H5AC_dxpl_id))) { + H5E_clear_stack(NULL); + /* get last component of file_name */ + GET_LAST_DELIMITER(file_name, ptr) + HDassert(ptr); + HDstrcpy(tempname, ++ptr); + } + } else if (CHECK_ABS_DRIVE(file_name)) { + if(NULL == (ext_file = H5F_open(file_name, ((intent & H5F_ACC_RDWR) ? H5F_ACC_RDWR : H5F_ACC_RDONLY), + H5P_FILE_CREATE_DEFAULT, fapl_id, H5AC_dxpl_id))) { + H5E_clear_stack(NULL); + /* strip "<drive-letter>:" */ + HDstrcpy(tempname, &file_name[2]); + } + } + + /* try searching from paths set in the environment variable */ + if ((ext_file == NULL) && (env_prefix=HDgetenv("HDF5_EXT_PREFIX"))) { + + tmp_env_prefix = H5MM_strdup(env_prefix); + pp = tmp_env_prefix; + + while ((tmp_env_prefix) && (*tmp_env_prefix)) { + out_prefix_name = H5L_getenv_prefix_name(&tmp_env_prefix/*in,out*/); + if ((out_prefix_name) && (*out_prefix_name)) { + + if (H5L_build_name(out_prefix_name, tempname, &full_name/*out*/) < 0) + HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "can't prepend prefix to filename") + + ext_file = H5F_open(full_name, ((intent & H5F_ACC_RDWR) ? H5F_ACC_RDWR : H5F_ACC_RDONLY), + H5P_FILE_CREATE_DEFAULT, fapl_id, H5AC_dxpl_id); + if (full_name) + H5MM_xfree(full_name); + if (ext_file != NULL) + break; + H5E_clear_stack(NULL); + } + } /* end while */ + if (pp) + H5MM_xfree(pp); + } + + /* try searching from property list */ + if (ext_file == NULL) { + if(H5P_get(plist, H5L_ACS_ELINK_PREFIX_NAME, &my_prefix) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get external link prefix") + if (my_prefix) { + if (H5L_build_name(my_prefix, tempname, &full_name/*out*/) < 0) + HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "can't prepend prefix to filename") + if ((ext_file=H5F_open(full_name, ((intent & H5F_ACC_RDWR) ? H5F_ACC_RDWR : H5F_ACC_RDONLY), + H5P_FILE_CREATE_DEFAULT, fapl_id, H5AC_dxpl_id)) == NULL) + H5E_clear_stack(NULL); + if (full_name) + H5MM_xfree(full_name); + } + } + + /* try searching from main file's "extpath":see description in H5F_open() & H5_build_extpath() */ + if ((ext_file == NULL) && (extpath=H5F_EXTPATH(loc.oloc->file))) { + if (H5L_build_name(extpath, tempname, &full_name/*out*/) < 0) + HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "can't prepend prefix to filename") + if ((ext_file = H5F_open(full_name, ((intent & H5F_ACC_RDWR) ? H5F_ACC_RDWR : H5F_ACC_RDONLY), + H5P_FILE_CREATE_DEFAULT, fapl_id, H5AC_dxpl_id)) == NULL) + H5E_clear_stack(NULL); + if (full_name) + H5MM_xfree(full_name); + } + + /* try the relative file_name stored in tempname */ + if (ext_file == NULL) { + if ((ext_file=H5F_open(tempname, ((intent & H5F_ACC_RDWR) ? H5F_ACC_RDWR : H5F_ACC_RDONLY), + H5P_FILE_CREATE_DEFAULT, fapl_id, H5AC_dxpl_id)) == NULL) + HGOTO_ERROR(H5E_LINK, H5E_CANTOPENFILE, FAIL, "unable to open external file") + } + + if (tempname) + H5MM_xfree(tempname); /* Increment the number of open objects, to hold the file open */ H5F_incr_nopen_objs(ext_file); @@ -219,10 +363,6 @@ done: if(ext_file && H5F_try_close(ext_file) < 0) HDONE_ERROR(H5E_LINK, H5E_CANTCLOSEFILE, FAIL, "problem closing external file") - /* Free full_name if it's been allocated */ - if(full_name) - H5MM_xfree(full_name); - /* Close object if it's open and something failed */ if(ret_value < 0 && ext_obj >= 0 && H5I_dec_ref(ext_obj) < 0) HDONE_ERROR(H5E_ATOM, H5E_CANTRELEASE, FAIL, "unable to close atom for external object") diff --git a/src/H5config.h.in b/src/H5config.h.in index 5c767ef..77a3b23 100644 --- a/src/H5config.h.in +++ b/src/H5config.h.in @@ -368,6 +368,9 @@ /* Define to 1 if you have the `waitpid' function. */ #undef HAVE_WAITPID +/* Define if your system has window style path name. */ +#undef HAVE_WINDOW_PATH + /* Define to 1 if you have the <winsock.h> header file. */ #undef HAVE_WINSOCK_H diff --git a/src/H5private.h b/src/H5private.h index 11f3037..734290d 100644 --- a/src/H5private.h +++ b/src/H5private.h @@ -638,9 +638,19 @@ H5_DLL int HDfprintf (FILE *stream, const char *fmt, ...); #define HDfwrite(M,Z,N,F) fwrite(M,Z,N,F) #define HDgetc(F) getc(F) #define HDgetchar() getchar() +#ifdef _WIN32 +#define HDgetcwd(S,Z) _getcwd(S,Z) +#define HDgetdcwd(D,S,Z) _getdcwd(D,S,Z) +#define HDgetdrive() _getdrive() +#else #define HDgetcwd(S,Z) getcwd(S,Z) +#define HDgetdcwd(D,S,Z) getcwd(S,Z) +#define HDgetdrive() 0 +#endif #define HDgetegid() getegid() #define HDgetenv(S) getenv(S) +#define HDsetenv(S,V,O) setenv(S,V,O) +#define HDunsetenv(S) unsetenv(S) #define HDgeteuid() geteuid() #define HDgetgid() getgid() #define HDgetgrgid(G) getgrgid(G) @@ -911,6 +921,43 @@ extern char *strdup(const char *s); #endif /* _WIN32 */ +#ifdef H5_HAVE_WINDOW_PATH + +/* directory delimiter for Windows: slash and backslash are acceptable on Windows */ +#define DIR_SLASH_SEPC '/' +#define DIR_SEPC '\\' +#define DIR_SEPS "\\" +#define CHECK_DELIMITER(SS) ((SS == DIR_SEPC)||(SS == DIR_SLASH_SEPC)) +#define CHECK_ABSOLUTE(NAME) (((isalpha(NAME[0])) && (NAME[1] == ':') && CHECK_DELIMITER(NAME[2])) +#define CHECK_ABS_DRIVE(NAME) ((isalpha(NAME[0])) && (NAME[1] == ':')) +#define CHECK_ABS_PATH(NAME) (CHECK_DELIMITER(NAME[0])) + +#define GET_LAST_DELIMITER(NAME, ptr) { \ + char *slash, *backslash; \ + slash = strrchr(NAME, DIR_SLASH_SEPC); \ + backslash = strrchr(NAME, DIR_SEPC); \ + if (backslash > slash) \ + (ptr = backslash); \ + else \ + (ptr = slash); \ +} + + +#else + +#define DIR_SEPC '/' +#define DIR_SEPS "/" +#define CHECK_DELIMITER(SS) (SS == DIR_SEPC) +#define CHECK_ABSOLUTE(NAME) (CHECK_DELIMITER(*NAME)) +#define CHECK_ABS_DRIVE(NAME) (0) +#define CHECK_ABS_PATH(NAME) (0) +#define GET_LAST_DELIMITER(NAME, ptr) ptr = strrchr(NAME, DIR_SEPC); + +#endif + +#define COLON_SEPC ':' +H5_DLL herr_t H5_build_extpath(const char *, char **/*out*/); + /* * These macros check whether debugging has been requested for a certain diff --git a/src/H5system.c b/src/H5system.c index 5eae11d..d65103a 100644 --- a/src/H5system.c +++ b/src/H5system.c @@ -35,6 +35,8 @@ #include "H5private.h" /* Generic Functions */ #include "H5Fprivate.h" /* File access */ #include "H5MMprivate.h" /* Memory management */ +#include "H5Eprivate.h" + /****************/ @@ -578,4 +580,98 @@ HDremove_all(const char *fname) } #endif + +/* + * + * Function: H5_build_extpath + * + * Purpose: To build the path for later searching of target file for external link. + * This path can be either: + * 1. The absolute path of NAME + * or + * 2. The current working directory + relative path of NAME + * + * Return: Success: 0 + * Failure: -1 + * + * Programmer: Vailin Choi + * April 2, 2008 + */ +#define MAX_PATH_LEN 1024 + +herr_t +H5_build_extpath(const char *name, char **extpath/*out*/) +{ + char *full_path=NULL, *ptr=NULL; + char *retcwd=NULL, *cwdpath=NULL, *new_name=NULL; + int drive; + size_t cwdlen, path_len; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT(H5_build_extpath) + + *extpath = NULL; + + /* + * Unix: name[0] is a "/" + * Windows: name[0-2] is "<drive letter>:\" or "<drive-letter>:/" + */ + if (CHECK_ABSOLUTE(name)) { + if ((full_path=H5MM_strdup(name)) == NULL) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") + } else { /* relative pathname */ + if ((cwdpath=H5MM_malloc(MAX_PATH_LEN)) == NULL) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") + if ((new_name=H5MM_strdup(name)) == NULL) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") + + /* + * Windows: name[0-1] is "<drive-letter>:" + * Get current working directory on the drive specified in NAME + * Unix: does not apply + */ + if (CHECK_ABS_DRIVE(name)) { + drive = name[0] - 'A' + 1; + retcwd = HDgetdcwd(drive, cwdpath, MAX_PATH_LEN); + HDstrcpy(new_name, &name[2]); + /* + * Windows: name[0] is a '/' or '\' + * Get current drive + * Unix: does not apply + */ + } else if (CHECK_ABS_PATH(name) && (drive=HDgetdrive())) { + sprintf(cwdpath, "%c:%c", (drive+'A'-1), name[0]); + retcwd = cwdpath; + HDstrcpy(new_name, &name[1]); + } else /* totally relative for both Unix and Windows: get current working directory */ + retcwd = HDgetcwd(cwdpath, MAX_PATH_LEN); + + if (retcwd != NULL) { + cwdlen = HDstrlen(cwdpath); + HDassert(cwdlen); + path_len = cwdlen + HDstrlen(new_name) + 2; + if ((full_path=H5MM_malloc(path_len)) == NULL) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") + + HDstrcpy(full_path, cwdpath); + if (!CHECK_DELIMITER(cwdpath[cwdlen-1])) + HDstrcat(full_path, DIR_SEPS); + HDstrcat(full_path, new_name); + } + } + + /* strip out the last component (the file name itself) from the path */ + if (full_path) { + GET_LAST_DELIMITER(full_path, ptr) + HDassert(ptr); + *++ptr = '\0'; + *extpath = full_path; + } +done: + if (cwdpath) + H5MM_xfree(cwdpath); + if (new_name) + H5MM_xfree(new_name); + FUNC_LEAVE_NOAPI(ret_value) +} /* H5_build_extpath() */ |