diff options
Diffstat (limited to 'src/H5L.c')
-rw-r--r-- | src/H5L.c | 447 |
1 files changed, 223 insertions, 224 deletions
@@ -21,18 +21,18 @@ /***********/ /* Headers */ /***********/ -#include "H5private.h" /* Generic Functions */ -#include "H5ACprivate.h" /* Metadata cache */ -#include "H5CXprivate.h" /* API Contexts */ -#include "H5Dprivate.h" /* Datasets */ -#include "H5Eprivate.h" /* Error handling */ -#include "H5Fprivate.h" /* File access */ -#include "H5Gprivate.h" /* Groups */ -#include "H5Iprivate.h" /* IDs */ -#include "H5Lpkg.h" /* Links */ -#include "H5MMprivate.h" /* Memory management */ -#include "H5Oprivate.h" /* File objects */ -#include "H5Pprivate.h" /* Property lists */ +#include "H5private.h" /* Generic Functions */ +#include "H5ACprivate.h" /* Metadata cache */ +#include "H5CXprivate.h" /* API Contexts */ +#include "H5Dprivate.h" /* Datasets */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Fprivate.h" /* File access */ +#include "H5Gprivate.h" /* Groups */ +#include "H5Iprivate.h" /* IDs */ +#include "H5Lpkg.h" /* Links */ +#include "H5MMprivate.h" /* Memory management */ +#include "H5Oprivate.h" /* File objects */ +#include "H5Pprivate.h" /* Property lists */ /****************/ /* Local Macros */ @@ -63,7 +63,7 @@ typedef struct { typedef struct { const char *dst_name; /* Destination name for moving object */ H5T_cset_t cset; /* Char set for new name */ - const H5G_loc_t *dst_loc; /* Destination location for moving object */ + const H5G_loc_t *dst_loc; /* Destination location for moving object */ unsigned dst_target_flags; /* Target flags for destination object */ hbool_t copy; /* TRUE if this is a copy operation */ size_t orig_nlinks; /* The original value for the # of soft / UD links that can be traversed */ @@ -91,6 +91,7 @@ typedef struct { void *buf; /* User buffer */ } H5L_trav_gv_t; + /********************/ /* Local Prototypes */ /********************/ @@ -267,16 +268,16 @@ H5L_term_package(void) /*------------------------------------------------------------------------- - * Function: H5Lmove + * Function: H5Lmove * - * Purpose: Renames an object within an HDF5 file and moves it to a new + * Purpose: Renames an object within an HDF5 file and moves it to a new * group. The original name SRC is unlinked from the group graph * and then inserted with the new name DST (which can specify a * new path for the object) as an atomic operation. The names - * are interpreted relative to SRC_LOC_ID and - * DST_LOC_ID, which are either file IDs or group ID. + * are interpreted relative to SRC_LOC_ID and DST_LOC_ID, + * which are either file IDs or group ID. * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * * Programmer: James Laird * Wednesday, March 29, 2006 @@ -339,13 +340,13 @@ done: /*------------------------------------------------------------------------- - * Function: H5Lcopy + * Function: H5Lcopy * - * Purpose: Creates an identical copy of a link with the same creation + * Purpose: Creates an identical copy of a link with the same creation * time and target. The new link can have a different name * and be in a different location than the original. * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * * Programmer: James Laird * Wednesday, March 29, 2006 @@ -400,7 +401,7 @@ H5Lcopy(hid_t src_loc_id, const char *src_name, hid_t dst_loc_id, /* Copy the link */ if(H5L_move(src_loc_p, src_name, dst_loc_p, dst_name, TRUE, lcpl_id) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTMOVE, FAIL, "unable to move link") + HGOTO_ERROR(H5E_LINK, H5E_CANTMOVE, FAIL, "unable to copy link") done: FUNC_LEAVE_API(ret_value) @@ -408,17 +409,17 @@ done: /*------------------------------------------------------------------------- - * Function: H5Lcreate_soft + * Function: H5Lcreate_soft * - * Purpose: Creates a soft link from LINK_NAME to LINK_TARGET. + * Purpose: Creates a soft link from LINK_NAME to LINK_TARGET. * - * LINK_TARGET can be anything and is interpreted at lookup + * LINK_TARGET can be anything and is interpreted at lookup * time relative to the group which contains the final component * of LINK_NAME. For instance, if LINK_TARGET is `./foo' and * LINK_NAME is `./x/y/bar' and a request is made for `./x/y/bar' * then the actual object looked up is `./x/y/./foo'. * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Monday, April 6, 1998 @@ -426,8 +427,8 @@ done: *------------------------------------------------------------------------- */ herr_t -H5Lcreate_soft(const char *link_target, hid_t link_loc_id, - const char *link_name, hid_t lcpl_id, hid_t lapl_id) +H5Lcreate_soft(const char *link_target, hid_t link_loc_id, const char *link_name, + hid_t lcpl_id, hid_t lapl_id) { H5G_loc_t link_loc; /* Group location for new link */ herr_t ret_value = SUCCEED; /* Return value */ @@ -438,14 +439,18 @@ H5Lcreate_soft(const char *link_target, hid_t link_loc_id, /* Check arguments */ if(H5G_loc(link_loc_id, &link_loc) < 0) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") - if(!link_target || !*link_target) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no target specified") - if(!link_name || !*link_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no new name specified") + if(!link_target) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "link_target parameter cannot be NULL") + if(!*link_target) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "link_target parameter cannot be an empty string") + if(!link_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "link_name parameter cannot be NULL") + if(!*link_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "link_name parameter cannot be an empty string") if(lcpl_id != H5P_DEFAULT && (TRUE != H5P_isa_class(lcpl_id, H5P_LINK_CREATE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a link creation property list") - /* Check the link creation property list */ + /* Get the link creation property list */ if(H5P_DEFAULT == lcpl_id) lcpl_id = H5P_LINK_CREATE_DEFAULT; @@ -458,7 +463,7 @@ H5Lcreate_soft(const char *link_target, hid_t link_loc_id, /* Create the link */ if(H5L_create_soft(link_target, &link_loc, link_name, lcpl_id) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTCREATE, FAIL, "unable to create link") + HGOTO_ERROR(H5E_LINK, H5E_CANTCREATE, FAIL, "unable to create soft link") done: FUNC_LEAVE_API(ret_value) @@ -466,15 +471,15 @@ done: /*------------------------------------------------------------------------- - * Function: H5Lcreate_hard + * Function: H5Lcreate_hard * - * Purpose: Creates a hard link from NEW_NAME to CUR_NAME. + * Purpose: Creates a hard link from NEW_NAME to CUR_NAME. * - * CUR_NAME must name an existing object. CUR_NAME and + * CUR_NAME must name an existing object. CUR_NAME and * NEW_NAME are interpreted relative to CUR_LOC_ID and * NEW_LOC_ID, which are either file IDs or group IDs. * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Monday, April 6, 1998 @@ -497,13 +502,17 @@ H5Lcreate_hard(hid_t cur_loc_id, const char *cur_name, if(cur_loc_id == H5L_SAME_LOC && new_loc_id == H5L_SAME_LOC) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "source and destination should not be both H5L_SAME_LOC") if(cur_loc_id != H5L_SAME_LOC && H5G_loc(cur_loc_id, &cur_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(new_loc_id != H5L_SAME_LOC && H5G_loc(new_loc_id, &new_loc) < 0) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") - if(!cur_name || !*cur_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no current name specified") - if(!new_name || !*new_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no new name specified") + if(!cur_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "cur_name parameter cannot be NULL") + if(!*cur_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "cur_name parameter cannot be an empty string") + if(!new_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "new_name parameter cannot be NULL") + if(!*new_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "new_name parameter cannot be an empty string") if(lcpl_id != H5P_DEFAULT && (TRUE != H5P_isa_class(lcpl_id, H5P_LINK_CREATE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a link creation property list") @@ -538,23 +547,23 @@ done: /*------------------------------------------------------------------------- - * Function: H5Lcreate_ud + * Function: H5Lcreate_ud * - * Purpose: Creates a user-defined link of type LINK_TYPE named LINK_NAME + * Purpose: Creates a user-defined link of type LINK_TYPE named LINK_NAME * with user-specified data UDATA. * - * The format of the information pointed to by UDATA is + * The format of the information pointed to by UDATA is * defined by the user. UDATA_SIZE holds the size of this buffer. * - * LINK_NAME is interpreted relative to LINK_LOC_ID. + * LINK_NAME is interpreted relative to LINK_LOC_ID. * - * The property list specified by LCPL_ID holds properties used + * The property list specified by LCPL_ID holds properties used * to create the link. * * The link class of the new link must already be registered * with the library. * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * * Programmer: James Laird * Tuesday, December 13, 2005 @@ -576,11 +585,11 @@ H5Lcreate_ud(hid_t link_loc_id, const char *link_name, H5L_type_t link_type, if(H5G_loc(link_loc_id, &link_loc) < 0) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!link_name || !*link_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no link name specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no link name specified") if(link_type < H5L_TYPE_UD_MIN || link_type > H5L_TYPE_MAX) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid link class") - /* Check the link creation property list */ + /* Get the link creation property list */ if(H5P_DEFAULT == lcpl_id) lcpl_id = H5P_LINK_CREATE_DEFAULT; @@ -601,16 +610,16 @@ done: /*------------------------------------------------------------------------- - * Function: H5Ldelete + * Function: H5Ldelete * - * Purpose: Removes the specified NAME from the group graph and - * decrements the link count for the object to which NAME - * points. If the link count reaches zero then all file-space - * associated with the object will be reclaimed (but if the - * object is open, then the reclamation of the file space is - * delayed until all handles to the object are closed). + * Purpose: Removes the specified NAME from the group graph and + * decrements the link count for the object to which NAME + * points. If the link count reaches zero then all file-space + * associated with the object will be reclaimed (but if the + * object is open, then the reclamation of the file space is + * delayed until all handles to the object are closed). * - * Return: Non-negative on success/Negative on failure + * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Monday, April 6, 1998 @@ -628,9 +637,9 @@ H5Ldelete(hid_t loc_id, const char *name, hid_t lapl_id) /* Check arguments */ if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!name || !*name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name") /* Verify access property list and set up collective metadata if appropriate */ if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, TRUE) < 0) @@ -676,13 +685,13 @@ H5Ldelete_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type, /* Check arguments */ if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!group_name || !*group_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") /* Verify access property list and set up collective metadata if appropriate */ if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, TRUE) < 0) @@ -728,9 +737,9 @@ H5Lget_val(hid_t loc_id, const char *name, void *buf/*out*/, size_t size, /* Check arguments */ if(H5G_loc(loc_id, &loc)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!name || !*name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") /* Verify access property list and set up collective metadata if appropriate */ if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) @@ -799,12 +808,11 @@ done: /*------------------------------------------------------------------------- - * Function: H5Lexists + * Function: H5Lexists * - * Purpose: Checks if a link of a given name exists in a group + * Purpose: Checks if a link of a given name exists in a group * - * Return: Success: TRUE/FALSE - * Failure: Negative + * Return: Success: TRUE/FALSE/FAIL * * Programmer: Quincey Koziol * Friday, March 16, 2007 @@ -823,8 +831,10 @@ H5Lexists(hid_t loc_id, const char *name, hid_t lapl_id) /* Check arguments */ if(H5G_loc(loc_id, &loc)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") - if(!name || !*name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") + if(!name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "name parameter cannot be NULL") + if(!*name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "name parameter cannot be an empty string") /* Verify access property list and set up collective metadata if appropriate */ if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) @@ -840,13 +850,12 @@ done: /*------------------------------------------------------------------------- - * Function: H5Lget_info - * - * Purpose: Gets metadata for a link. + * Function: H5Lget_info * - * Return: Success: Non-negative with information in LINFO + * Purpose: Gets metadata for a link. * - * Failure: Negative + * Return: Success: Non-negative with information in LINFO + * Failure: Negative * * Programmer: James Laird * Wednesday, June 21, 2006 @@ -867,7 +876,7 @@ H5Lget_info(hid_t loc_id, const char *name, H5L_info_t *linfo /*out*/, if(H5G_loc(loc_id, &loc)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!name || !*name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") /* Verify access property list and set up collective metadata if appropriate */ if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, TRUE) < 0) @@ -883,13 +892,13 @@ done: /*------------------------------------------------------------------------- - * Function: H5Lget_info_by_idx + * Function: H5Lget_info_by_idx * - * Purpose: Gets metadata for a link, according to the order within an + * Purpose: Gets metadata for a link, according to the order within an * index. * - * Return: Success: Non-negative with information in LINFO - * Failure: Negative + * Return: Success: Non-negative with information in LINFO + * Failure: Negative * * Programmer: Quincey Koziol * Monday, November 6, 2006 @@ -910,13 +919,13 @@ H5Lget_info_by_idx(hid_t loc_id, const char *group_name, /* Check arguments */ if(H5G_loc(loc_id, &loc)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!group_name || !*group_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") /* Verify access property list and set up collective metadata if appropriate */ if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) @@ -1011,11 +1020,11 @@ H5Lunregister(H5L_type_t id) /* Check args */ if(id < 0 || id > H5L_TYPE_MAX) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid link type") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid link type") /* Do it */ if(H5L_unregister(id) < 0) - HGOTO_ERROR(H5E_LINK, H5E_NOTREGISTERED, FAIL, "unable to unregister link type") + HGOTO_ERROR(H5E_LINK, H5E_NOTREGISTERED, FAIL, "unable to unregister link type") done: FUNC_LEAVE_API(ret_value) @@ -1023,14 +1032,14 @@ done: /*------------------------------------------------------------------------- - * Function: H5Lis_registered + * Function: H5Lis_registered * - * Purpose: Tests whether a user-defined link class has been registered + * Purpose: Tests whether a user-defined link class has been registered * or not. * - * Return: Positive if the link class has been registered - * Zero if it is unregistered - * Negative on error (if the class is not a valid UD class ID) + * Return: TRUE if the link class has been registered + * FALSE if it is unregistered + * FAIL on error (if the class is not a valid UD class ID) * * Programmer: James Laird * Monday, July 10, 2006 @@ -1052,7 +1061,7 @@ H5Lis_registered(H5L_type_t id) /* Is the link class already registered? */ for(i = 0; i < H5L_table_used_g; i++) - if(H5L_table_g[i].id == id) { + if(H5L_table_g[i].id == id) { ret_value = TRUE; break; } /* end if */ @@ -1063,16 +1072,17 @@ done: /*------------------------------------------------------------------------- - * Function: H5Lget_name_by_idx + * Function: H5Lget_name_by_idx * - * Purpose: Gets name for a link, according to the order within an + * Purpose: Gets name for a link, according to the order within an * index. * * Same pattern of behavior as H5Iget_name. * - * Return: Success: Non-negative length of name, with information - * in NAME buffer - * Failure: Negative + * Return: Success: Non-negative length of name, with information + * in NAME buffer + * + * Failure: -1 * * Programmer: Quincey Koziol * Saturday, November 11, 2006 @@ -1087,27 +1097,27 @@ H5Lget_name_by_idx(hid_t loc_id, const char *group_name, H5G_loc_t loc; /* Location of group */ ssize_t ret_value; /* Return value */ - FUNC_ENTER_API(FAIL) + FUNC_ENTER_API((-1)) H5TRACE8("Zs", "i*sIiIohxzi", loc_id, group_name, idx_type, order, n, name, size, lapl_id); /* Check arguments */ if(H5G_loc(loc_id, &loc)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!group_name || !*group_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "no name specified") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "invalid iteration order specified") /* Verify access property list and set up collective metadata if appropriate */ if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, TRUE) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTSET, FAIL, "can't set access property list info") + HGOTO_ERROR(H5E_LINK, H5E_CANTSET, (-1), "can't set access property list info") /* Get the link information */ if((ret_value = H5L__get_name_by_idx(&loc, group_name, idx_type, order, n, name, size)) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "unable to get link name") + HGOTO_ERROR(H5E_LINK, H5E_CANTGET, (-1), "unable to get link name") done: FUNC_LEAVE_API(ret_value) @@ -1163,23 +1173,23 @@ done: /*------------------------------------------------------------------------- - * Function: H5Literate_by_name + * Function: H5Literate_by_name * - * Purpose: Iterates over links in a group, with user callback routine, + * Purpose: Iterates over links in a group, with user callback routine, * according to the order within an index. * * Same pattern of behavior as H5Giterate. * - * Return: Success: The return value of the first operator that - * returns non-zero, or zero if all members were - * processed with no operator returning non-zero. + * Return: Success: The return value of the first operator that + * returns non-zero, or zero if all members were + * processed with no operator returning non-zero. * - * Failure: Negative if something goes wrong within the - * library, or the negative value returned by one - * of the operators. + * Failure: Negative if something goes wrong within the + * library, or the negative value returned by one + * of the operators. * * - * Programmer: Quincey Koziol + * Programmer: Quincey Koziol * Thursday, November 16, 2006 * *------------------------------------------------------------------------- @@ -1196,14 +1206,16 @@ H5Literate_by_name(hid_t loc_id, const char *group_name, op_data, lapl_id); /* Check arguments */ - if(!group_name || !*group_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") + if(!group_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "group_name parameter cannot be NULL") + if(!*group_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "group_name parameter cannot be an empty string") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") if(!op) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no operator specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no operator specified") /* Verify access property list and set up collective metadata if appropriate */ if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) @@ -1219,9 +1231,9 @@ done: /*------------------------------------------------------------------------- - * Function: H5Lvisit + * Function: H5Lvisit * - * Purpose: Recursively visit all the links in a group and all + * Purpose: Recursively visit all the links in a group and all * the groups that are linked to from that group. Links within * each group are visited according to the order within the * specified index (unless the specified index does not exist for @@ -1233,16 +1245,16 @@ done: * callback with more than one link that points to a particular * _object_. * - * Return: Success: The return value of the first operator that - * returns non-zero, or zero if all members were - * processed with no operator returning non-zero. + * Return: Success: The return value of the first operator that + * returns non-zero, or zero if all members were + * processed with no operator returning non-zero. * - * Failure: Negative if something goes wrong within the - * library, or the negative value returned by one - * of the operators. + * Failure: Negative if something goes wrong within the + * library, or the negative value returned by one + * of the operators. * * Programmer: Quincey Koziol - * November 24 2007 + * November 24 2007 * *------------------------------------------------------------------------- */ @@ -1261,13 +1273,13 @@ H5Lvisit(hid_t grp_id, H5_index_t idx_type, H5_iter_order_t order, if(!(H5I_GROUP == id_type || H5I_FILE == id_type)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid argument") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") if(!op) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no callback operator specified") - /* Call internal routine */ + /* Iterate over the links */ if((ret_value = H5G_visit(grp_id, ".", idx_type, order, op, op_data)) < 0) HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "link visitation failed") @@ -1277,9 +1289,9 @@ done: /*------------------------------------------------------------------------- - * Function: H5Lvisit_by_name + * Function: H5Lvisit_by_name * - * Purpose: Recursively visit all the links in a group and all + * Purpose: Recursively visit all the links in a group and all * the groups that are linked to from that group. Links within * each group are visited according to the order within the * specified index (unless the specified index does not exist for @@ -1291,16 +1303,16 @@ done: * callback with more than one link that points to a particular * _object_. * - * Return: Success: The return value of the first operator that - * returns non-zero, or zero if all members were - * processed with no operator returning non-zero. + * Return: Success: The return value of the first operator that + * returns non-zero, or zero if all members were + * processed with no operator returning non-zero. * - * Failure: Negative if something goes wrong within the - * library, or the negative value returned by one - * of the operators. + * Failure: Negative if something goes wrong within the + * library, or the negative value returned by one + * of the operators. * - * Programmer: Quincey Koziol - * November 3 2007 + * Programmer: Quincey Koziol + * November 3 2007 * *------------------------------------------------------------------------- */ @@ -1315,12 +1327,14 @@ H5Lvisit_by_name(hid_t loc_id, const char *group_name, H5_index_t idx_type, lapl_id); /* Check args */ - if(!group_name || !*group_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") + if(!group_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "group_name parameter cannot be NULL") + if(!*group_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "group_name parameter cannot be an empty string") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") if(!op) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no callback operator specified") @@ -1328,7 +1342,7 @@ H5Lvisit_by_name(hid_t loc_id, const char *group_name, H5_index_t idx_type, if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) HGOTO_ERROR(H5E_LINK, H5E_CANTSET, FAIL, "can't set access property list info") - /* Call internal routine */ + /* Visit the links */ if((ret_value = H5G_visit(loc_id, group_name, idx_type, order, op, op_data)) < 0) HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "link visitation failed") @@ -1522,8 +1536,7 @@ done: *------------------------------------------------------------------------- */ herr_t -H5L_link(const H5G_loc_t *new_loc, const char *new_name, H5G_loc_t *obj_loc, - hid_t lcpl_id) +H5L_link(const H5G_loc_t *new_loc, const char *new_name, H5G_loc_t *obj_loc, hid_t lcpl_id) { H5O_link_t lnk; /* Link to insert */ herr_t ret_value = SUCCEED; /* Return value */ @@ -1915,11 +1928,11 @@ done: /*------------------------------------------------------------------------- - * Function: H5L_create_soft + * Function: H5L_create_soft * - * Purpose: Creates a soft link from LINK_NAME to TARGET_PATH. + * Purpose: Creates a soft link from LINK_NAME to TARGET_PATH. * - * Return: Non-negative on success/Negative on failure + * Return: SUCCEED/FAIL * * Programmer: Robb Matzke * Monday, April 6, 1998 @@ -2213,10 +2226,9 @@ done: * Function: H5L__get_val_by_idx * * Purpose: Internal routine to query a link value according to the - * index within a group + * index within a group * - * Return: Success: Non-negative - * Failure: Negative + * Return: SUCCEED/FAIL * * Programmer: Quincey Koziol * December 27, 2017 @@ -2290,7 +2302,7 @@ H5L__delete_cb(H5G_loc_t *grp_loc/*in*/, const char *name, const H5O_link_t *lnk /* Remove the link from the group */ if(H5G_obj_remove(grp_loc->oloc, grp_loc->path->full_path_r, name) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTDELETE, FAIL, "unable to remove link from group") + HGOTO_ERROR(H5E_LINK, H5E_CANTDELETE, FAIL, "unable to remove link from group") done: /* Indicate that this callback didn't take ownership of the group * @@ -2385,10 +2397,9 @@ done: * Function: H5L__delete_by_idx * * Purpose: Internal routine to delete a link according to its index - * within a group. + * within a group. * - * Return: Success: Non-negative - * Failure: Negative + * Return: SUCCEED/FAIL * * Programmer: Quincey Koziol * December 27, 2017 @@ -2404,7 +2415,7 @@ H5L__delete_by_idx(const H5G_loc_t *loc, const char *name, H5_index_t idx_type, FUNC_ENTER_STATIC - /* Check arguments */ + /* Sanity check */ HDassert(loc); HDassert(name && *name); @@ -2593,7 +2604,7 @@ H5L__move_cb(H5G_loc_t *grp_loc/*in*/, const char *name, const H5O_link_t *lnk, /* Insert the link into its new location */ if(H5G_traverse(udata->dst_loc, udata->dst_name, udata->dst_target_flags, H5L__move_dest_cb, &udata_out) < 0) - HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to follow symbolic link") + HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to follow symbolic link") /* If this is a move and not a copy operation, change the object's name and remove the old link */ if(!udata->copy) { @@ -2968,11 +2979,11 @@ done: /*------------------------------------------------------------------------- - * Function: H5L_get_info + * Function: H5L_get_info * - * Purpose: Returns metadata about a link. + * Purpose: Returns metadata about a link. * - * Return: Non-negative on success/Negative on failure + * Return: SUCCEED/FAIL * * Programmer: James Laird * Monday, April 17 2006 @@ -3055,11 +3066,7 @@ done: * Purpose: Internal routine to retrieve link info according to an * index's order. * - * Return: Success: Non-negative - * Failure: Negative - * - * Programmer: Quincey Koziol - * December 27, 2017 + * Return: SUCCEED/FAIL * *------------------------------------------------------------------------- */ @@ -3138,11 +3145,7 @@ done: * Purpose: Internal routine to retrieve link name according to an * index's order. * - * Return: Success: Non-negative - * Failure: Negative - * - * Programmer: Quincey Koziol - * December 27, 2017 + * Return: SUCCEED/FAIL * *------------------------------------------------------------------------- */ @@ -3181,55 +3184,6 @@ done: /*------------------------------------------------------------------------- - * Function: H5L__iterate - * - * Purpose: Internal routine to iterate over links - * - * Return: Success: Non-negative - * Failure: Negative - * - * Programmer: Quincey Koziol - * December 27, 2017 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5L__iterate(hid_t grp_id, const char *group_name, H5_index_t idx_type, - H5_iter_order_t order, hsize_t *idx_p, H5L_iterate_t op, void *op_data) -{ - H5G_link_iterate_t lnk_op; /* Link operator */ - hsize_t last_lnk; /* Index of last object looked at */ - hsize_t idx; /* Internal location to hold index */ - herr_t ret_value = FAIL; /* Return value */ - - FUNC_ENTER_STATIC - - /* Check arguments */ - HDassert(group_name); - HDassert(op); - - /* Set up iteration beginning/end info */ - idx = (idx_p == NULL ? 0 : *idx_p); - last_lnk = 0; - - /* Build link operator info */ - lnk_op.op_type = H5G_LINK_OP_NEW; - lnk_op.op_func.op_new = op; - - /* Iterate over the links */ - if((ret_value = H5G_iterate(grp_id, group_name, idx_type, order, idx, &last_lnk, &lnk_op, op_data)) < 0) - HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "link iteration failed") - - /* Set the index we stopped at */ - if(idx_p) - *idx_p = last_lnk; - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5L__iterate() */ - - -/*------------------------------------------------------------------------- * Function: H5L__link_copy_file * * Purpose: Copy a link and the object it points to from one file to @@ -3359,3 +3313,48 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5L__link_copy_file() */ + +/*------------------------------------------------------------------------- + * Function: H5L__iterate + * + * Purpose: Iterates through links in a group + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +static herr_t +H5L__iterate(hid_t grp_id, const char *group_name, H5_index_t idx_type, + H5_iter_order_t order, hsize_t *idx_p, H5L_iterate_t op, void *op_data) +{ + H5G_link_iterate_t lnk_op; /* Link operator */ + hsize_t last_lnk; /* Index of last object looked at */ + hsize_t idx; /* Internal location to hold index */ + herr_t ret_value = FAIL; /* Return value */ + + FUNC_ENTER_STATIC + + /* Sanity checks */ + HDassert(group_name); + HDassert(op); + + /* Set up iteration beginning/end info */ + idx = (idx_p == NULL ? 0 : *idx_p); + last_lnk = 0; + + /* Build link operator info */ + lnk_op.op_type = H5G_LINK_OP_NEW; + lnk_op.op_func.op_new = op; + + /* Iterate over the links */ + if((ret_value = H5G_iterate(grp_id, group_name, idx_type, order, idx, &last_lnk, &lnk_op, op_data)) < 0) + HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "link iteration failed") + + /* Set the index we stopped at */ + if(idx_p) + *idx_p = last_lnk; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5L__iterate() */ + |