Files
hdf5/tools/src/h5diff/h5diff_common.c
2020-08-15 17:25:22 -05:00

799 lines
33 KiB
C

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "H5private.h"
#include "h5diff.h"
#include "h5diff_common.h"
#include "h5tools.h"
#include "h5tools_utils.h"
static int check_n_input(const char*);
static int check_p_input(const char*);
static int check_d_input(const char*);
/*
* Command-line options: The user can specify short or long-named
* parameters.
*/
static const char *s_opts = "hVrv:qn:d:p:NcelxE:A:S";
static struct long_options l_opts[] = {
{ "help", no_arg, 'h' },
{ "version", no_arg, 'V' },
{ "report", no_arg, 'r' },
{ "verbose", optional_arg, 'v' },
{ "quiet", no_arg, 'q' },
{ "count", require_arg, 'n' },
{ "delta", require_arg, 'd' },
{ "relative", require_arg, 'p' },
{ "nan", no_arg, 'N' },
{ "compare", no_arg, 'c' },
{ "use-system-epsilon", no_arg, 'e' },
{ "follow-symlinks", no_arg, 'l' },
{ "no-dangling-links", no_arg, 'x' },
{ "exclude-path", require_arg, 'E' },
{ "exclude-attribute", require_arg, 'A' },
{ "enable-error-stack", no_arg, 'S' },
{ "vol-value-1", require_arg, '1' },
{ "vol-name-1", require_arg, '2' },
{ "vol-info-1", require_arg, '3' },
{ "vol-value-2", require_arg, '4' },
{ "vol-name-2", require_arg, '5' },
{ "vol-info-2", require_arg, '6' },
{ NULL, 0, '\0' }
};
/*-------------------------------------------------------------------------
* Function: check_options
*
* Purpose: parse command line input
*-------------------------------------------------------------------------
*/
static void check_options(diff_opt_t* opts)
{
/*--------------------------------------------------------------
* check for mutually exclusive options
*--------------------------------------------------------------*/
/* check between -d , -p, --use-system-epsilon.
* These options are mutually exclusive.
*/
if ((opts->delta_bool + opts->percent_bool + opts->use_system_epsilon) > 1) {
HDprintf("%s error: -d, -p and --use-system-epsilon options are mutually-exclusive;\n", PROGRAMNAME);
HDprintf("use no more than one.\n");
HDprintf("Try '-h' or '--help' option for more information or see the %s entry in the 'HDF5 Reference Manual'.\n", PROGRAMNAME);
h5diff_exit(EXIT_FAILURE);
}
}
#if TRILABS-227
/*-------------------------------------------------------------------------
* Function: parse_hsize_list
*
* Purpose: Parse a list of comma or space separated integers and return
* them in a list. The string being passed into this function
* should be at the start of the list you want to parse. You are
* responsible for freeing the array returned from here.
*
* Lists in the so-called "terse" syntax are separated by
* semicolons (;). The lists themselves can be separated by
* either commas (,) or white spaces.
*
* Return: <none>
*-------------------------------------------------------------------------
*/
static void
parse_hsize_list(const char *h_list, subset_d *d)
{
hsize_t *p_list;
const char *ptr;
unsigned int size_count = 0;
unsigned int i = 0;
unsigned int last_digit = 0;
if (!h_list || !*h_list || *h_list == ';')
return;
H5TOOLS_START_DEBUG(" - h_list:%s", h_list);
/* count how many integers do we have */
for (ptr = h_list; ptr && *ptr && *ptr != ';' && *ptr != ']'; ptr++)
if (HDisdigit(*ptr)) {
if (!last_digit)
/* the last read character wasn't a digit */
size_count++;
last_digit = 1;
}
else
last_digit = 0;
if (size_count == 0) {
/* there aren't any integers to read */
H5TOOLS_ENDDEBUG("No integers to read");
return;
}
H5TOOLS_DEBUG("Number integers to read=%ld", size_count);
/* allocate an array for the integers in the list */
if((p_list = (hsize_t *)HDcalloc(size_count, sizeof(hsize_t))) == NULL)
H5TOOLS_INFO("Unable to allocate space for subset data");
for (ptr = h_list; i < size_count && ptr && *ptr && *ptr != ';' && *ptr != ']'; ptr++)
if(HDisdigit(*ptr)) {
/* we should have an integer now */
p_list[i++] = (hsize_t)HDstrtoull(ptr, NULL, 0);
while (HDisdigit(*ptr))
/* scroll to end of integer */
ptr++;
}
d->data = p_list;
d->len = size_count;
H5TOOLS_ENDDEBUG("");
}
/*-------------------------------------------------------------------------
* Function: parse_subset_params
*
* Purpose: Parse the so-called "terse" syntax for specifying subsetting parameters.
*
* Return: Success: struct subset_t object
* Failure: NULL
*-------------------------------------------------------------------------
*/
static struct subset_t *
parse_subset_params(const char *dset)
{
struct subset_t *s = NULL;
char *brace;
H5TOOLS_START_DEBUG(" - dset:%s", dset);
if ((brace = HDstrrchr(dset, '[')) != NULL) {
*brace++ = '\0';
s = (struct subset_t *)HDcalloc(1, sizeof(struct subset_t));
parse_hsize_list(brace, &s->start);
while (*brace && *brace != ';')
brace++;
if (*brace)
brace++;
parse_hsize_list(brace, &s->stride);
while (*brace && *brace != ';')
brace++;
if (*brace)
brace++;
parse_hsize_list(brace, &s->count);
while (*brace && *brace != ';')
brace++;
if (*brace)
brace++;
parse_hsize_list(brace, &s->block);
}
H5TOOLS_ENDDEBUG("");
return s;
}
#endif
/*-------------------------------------------------------------------------
* Function: parse_command_line
*
* Purpose: parse command line input
*-------------------------------------------------------------------------
*/
void parse_command_line(int argc, const char* argv[], const char** fname1, const char** fname2, const char** objname1, const char** objname2, diff_opt_t* opts)
{
int i;
int opt;
struct exclude_path_list *exclude_head, *exclude_prev, *exclude_node;
struct exclude_path_list *exclude_attr_head, *exclude_attr_prev, *exclude_attr_node;
H5TOOLS_START_DEBUG("");
/* process the command-line */
HDmemset(opts, 0, sizeof (diff_opt_t));
/* assume equal contents initially */
opts->contents = 1;
/* NaNs are handled by default */
opts->do_nans = 1;
/* not Listing objects that are not comparable */
opts->mode_list_not_cmp = 0;
/* initially no not-comparable. */
/**this is bad in mixing option with results**/
opts->not_cmp = 0;
/* init for exclude-path option */
exclude_head = NULL;
/* init for exclude-attribute option */
exclude_attr_head = NULL;
/* parse command line options */
while ((opt = get_option(argc, argv, s_opts, l_opts)) != EOF) {
switch ((char)opt) {
default:
usage();
h5diff_exit(EXIT_FAILURE);
break;
case 'h':
usage();
h5diff_exit(EXIT_SUCCESS);
break;
case 'V':
print_version(h5tools_getprogname());
h5diff_exit(EXIT_SUCCESS);
break;
case 'v':
opts->mode_verbose = 1;
/* This for loop is for handling style like
* -v, -v1, --verbose, --verbose=1.
*/
for (i = 1; i < argc; i++) {
/*
* short opt
*/
if (!strcmp (argv[i], "-v")) { /* no arg */
opt_ind--;
opts->mode_verbose_level = 0;
break;
}
else if (!strncmp (argv[i], "-v", (size_t)2)) {
opts->mode_verbose_level = atoi(&argv[i][2]);
break;
}
/*
* long opt
*/
if (!strcmp (argv[i], "--verbose")) { /* no arg */
opts->mode_verbose_level = 0;
break;
}
else if (!strncmp (argv[i], "--verbose", (size_t)9) && argv[i][9]=='=') {
opts->mode_verbose_level = atoi(&argv[i][10]);
break;
}
}
break;
case 'q':
/* use quiet mode; supress the message "0 differences found" */
opts->mode_quiet = 1;
break;
case 'r':
opts->mode_report = 1;
break;
case 'l':
opts->follow_links = TRUE;
break;
case 'x':
opts->no_dangle_links = 1;
break;
case 'S':
enable_error_stack = 1;
break;
case 'E':
opts->exclude_path = 1;
/* create linked list of excluding objects */
if( (exclude_node = (struct exclude_path_list*) HDmalloc(sizeof(struct exclude_path_list))) == NULL) {
HDprintf("Error: lack of memory!\n");
h5diff_exit(EXIT_FAILURE);
}
/* init */
exclude_node->obj_path = opt_arg;
exclude_node->obj_type = H5TRAV_TYPE_UNKNOWN;
exclude_prev = exclude_head;
if (NULL == exclude_head) {
exclude_head = exclude_node;
exclude_head->next = NULL;
}
else {
while(NULL != exclude_prev->next)
exclude_prev = exclude_prev->next;
exclude_node->next = NULL;
exclude_prev->next = exclude_node;
}
break;
case 'A':
opts->exclude_attr_path = 1;
/* create linked list of excluding objects */
if( (exclude_attr_node = (struct exclude_path_list*) HDmalloc(sizeof(struct exclude_path_list))) == NULL) {
HDprintf("Error: lack of memory!\n");
h5diff_exit(EXIT_FAILURE);
}
/* init */
exclude_attr_node->obj_path = opt_arg;
exclude_attr_node->obj_type = H5TRAV_TYPE_UNKNOWN;
exclude_attr_prev = exclude_attr_head;
if (NULL == exclude_attr_head) {
exclude_attr_head = exclude_attr_node;
exclude_attr_head->next = NULL;
}
else {
while(NULL != exclude_attr_prev->next)
exclude_attr_prev = exclude_attr_prev->next;
exclude_attr_node->next = NULL;
exclude_attr_prev->next = exclude_attr_node;
}
break;
case 'd':
opts->delta_bool = 1;
if (check_d_input(opt_arg) == -1) {
HDprintf("<-d %s> is not a valid option\n", opt_arg);
usage();
h5diff_exit(EXIT_FAILURE);
}
opts->delta = HDatof(opt_arg);
/* do not check against default, the DBL_EPSILON is being replaced by user */
break;
case 'p':
opts->percent_bool = 1;
if (check_p_input(opt_arg) == -1) {
HDprintf("<-p %s> is not a valid option\n", opt_arg);
usage();
h5diff_exit(EXIT_FAILURE);
}
opts->percent = HDatof(opt_arg);
/* -p 0 is the same as default */
if (H5_DBL_ABS_EQUAL(opts->percent, (double)0.0F))
opts->percent_bool = 0;
break;
case 'n':
opts->count_bool = 1;
if (check_n_input(opt_arg) == -1) {
HDprintf("<-n %s> is not a valid option\n", opt_arg);
usage();
h5diff_exit(EXIT_FAILURE);
}
opts->count = HDstrtoull(opt_arg, NULL, 0);
break;
case 'N':
opts->do_nans = 0;
break;
case 'c':
opts->mode_list_not_cmp = 1;
break;
case 'e':
opts->use_system_epsilon = 1;
break;
case '1':
opts->vol_info[0].type = VOL_BY_VALUE;
opts->vol_info[0].u.value = (H5VL_class_value_t)HDatoi(opt_arg);
opts->custom_vol[0] = TRUE;
break;
case '2':
opts->vol_info[0].type = VOL_BY_NAME;
opts->vol_info[0].u.name = opt_arg;
opts->custom_vol[0] = TRUE;
break;
case '3':
opts->vol_info[0].info_string = opt_arg;
break;
case '4':
opts->vol_info[1].type = VOL_BY_VALUE;
opts->vol_info[1].u.value = (H5VL_class_value_t)HDatoi(opt_arg);
opts->custom_vol[1] = TRUE;
break;
case '5':
opts->vol_info[1].type = VOL_BY_NAME;
opts->vol_info[1].u.name = opt_arg;
opts->custom_vol[1] = TRUE;
break;
case '6':
opts->vol_info[1].info_string = opt_arg;
break;
}
}
/* check options */
check_options(opts);
/* if exclude-path option is used, keep the exclude path list */
if (opts->exclude_path)
opts->exclude = exclude_head;
/* if exclude-attribute option is used, keep the exclude attr list */
if (opts->exclude_attr_path)
opts->exclude_attr = exclude_attr_head;
/* check for file names to be processed */
if (argc <= opt_ind || argv[opt_ind + 1] == NULL) {
error_msg("missing file names\n");
usage();
h5diff_exit(EXIT_FAILURE);
}
*fname1 = argv[opt_ind];
*fname2 = argv[opt_ind + 1];
*objname1 = argv[opt_ind + 2];
H5TOOLS_DEBUG("file1 = %s", *fname1);
H5TOOLS_DEBUG("file2 = %s", *fname2);
if (*objname1 == NULL) {
*objname2 = NULL;
H5TOOLS_ENDDEBUG("No obj names");
return;
}
H5TOOLS_DEBUG("objname1 = %s", *objname1);
if (argv[opt_ind + 3] != NULL) {
*objname2 = argv[opt_ind + 3];
}
else {
*objname2 = *objname1;
}
H5TOOLS_DEBUG("objname2 = %s", *objname2);
/*
* TRILABS-227 is complete except for an issue with printing indices
* the following calls will enable subsetting
*/
#if TRILABS-227
opts->sset[0] = parse_subset_params(*objname1);
opts->sset[1] = parse_subset_params(*objname2);
#endif
H5TOOLS_ENDDEBUG("");
}
/*-------------------------------------------------------------------------
* Function: print_info
*
* Purpose: print several information messages after h5diff call
*-------------------------------------------------------------------------
*/
void print_info(diff_opt_t* opts)
{
if (opts->mode_quiet || opts->err_stat)
return;
if (opts->cmn_objs == 0) {
HDprintf("No common objects found. Files are not comparable.\n");
if (!opts->mode_verbose)
HDprintf("Use -v for a list of objects.\n");
}
if (opts->not_cmp == 1) {
if (opts->mode_list_not_cmp == 0) {
HDprintf("--------------------------------\n");
HDprintf("Some objects are not comparable\n");
HDprintf("--------------------------------\n");
if (opts->mode_verbose)
HDprintf("Use -c for a list of objects without details of differences.\n");
else
HDprintf("Use -c for a list of objects.\n");
}
}
}
/*-------------------------------------------------------------------------
* Function: check_n_input
*
* Purpose: check for valid input
*
* Return: 1 for ok, -1 for fail
*-------------------------------------------------------------------------
*/
H5_ATTR_PURE static int
check_n_input(const char *str)
{
unsigned i;
char c;
for (i = 0; i < HDstrlen(str); i++) {
c = str[i];
if (i == 0) {
if (c < 49 || c > 57) /* ascii values between 1 and 9 */
return -1;
}
else
if (c < 48 || c > 57) /* 0 also */
return -1;
}
return 1;
}
/*-------------------------------------------------------------------------
* Function: check_p_input
*
* Purpose: check for a valid p option input
*
* Return: 1 for ok, -1 for fail
*-------------------------------------------------------------------------
*/
static int
check_p_input(const char *str)
{
double x;
/*
* the atof return value on a hexadecimal input is different
* on some systems; we do a character check for this
*/
if (HDstrlen(str) > 2 && str[0] == '0' && str[1] == 'x')
return -1;
x = HDatof(str);
if (x < 0)
return -1;
return 1;
}
/*-------------------------------------------------------------------------
* Function: check_d_input
*
* Purpose: check for a valid d option input
*
* Return: 1 for ok, -1 for fail
*-------------------------------------------------------------------------
*/
static int
check_d_input(const char *str)
{
double x;
/*
* the atof return value on a hexadecimal input is different
* on some systems; we do a character check for this
*/
if (HDstrlen(str) > 2 && str[0] == '0' && str[1] == 'x')
return -1;
x = HDatof(str);
if (x < 0)
return -1;
return 1;
}
/*-------------------------------------------------------------------------
* Function: usage
*
* Purpose: print a usage message
*
* Return: void
*-------------------------------------------------------------------------
*/
void usage(void)
{
PRINTVALSTREAM(rawoutstream, "usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]\n");
PRINTVALSTREAM(rawoutstream, " file1 File name of the first HDF5 file\n");
PRINTVALSTREAM(rawoutstream, " file2 File name of the second HDF5 file\n");
PRINTVALSTREAM(rawoutstream, " [obj1] Name of an HDF5 object, in absolute path\n");
PRINTVALSTREAM(rawoutstream, " [obj2] Name of an HDF5 object, in absolute path\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " OPTIONS\n");
PRINTVALSTREAM(rawoutstream, " -h, --help\n");
PRINTVALSTREAM(rawoutstream, " Print a usage message and exit.\n");
PRINTVALSTREAM(rawoutstream, " -V, --version\n");
PRINTVALSTREAM(rawoutstream, " Print version number and exit.\n");
PRINTVALSTREAM(rawoutstream, " -r, --report\n");
PRINTVALSTREAM(rawoutstream, " Report mode. Print differences.\n");
PRINTVALSTREAM(rawoutstream, " -v --verbose\n");
PRINTVALSTREAM(rawoutstream, " Verbose mode. Print differences information and list of objects.\n");
PRINTVALSTREAM(rawoutstream, " -vN --verbose=N\n");
PRINTVALSTREAM(rawoutstream, " Verbose mode with level. Print differences and list of objects.\n");
PRINTVALSTREAM(rawoutstream, " Level of detail depends on value of N:\n");
PRINTVALSTREAM(rawoutstream, " 0 : Identical to '-v' or '--verbose'.\n");
PRINTVALSTREAM(rawoutstream, " 1 : All level 0 information plus one-line attribute status summary.\n");
PRINTVALSTREAM(rawoutstream, " 2 : All level 1 information plus extended attribute status report.\n");
PRINTVALSTREAM(rawoutstream, " 3 : All level 2 information plus file names.\n");
PRINTVALSTREAM(rawoutstream, " -q, --quiet\n");
PRINTVALSTREAM(rawoutstream, " Quiet mode. Do not produce output.\n");
PRINTVALSTREAM(rawoutstream, " --enable-error-stack\n");
PRINTVALSTREAM(rawoutstream, " Prints messages from the HDF5 error stack as they occur.\n");
PRINTVALSTREAM(rawoutstream, " --vol-value-1 Value (ID) of the VOL connector to use for opening the\n");
PRINTVALSTREAM(rawoutstream, " first HDF5 file specified\n");
PRINTVALSTREAM(rawoutstream, " --vol-name-1 Name of the VOL connector to use for opening the first\n");
PRINTVALSTREAM(rawoutstream, " HDF5 file specified\n");
PRINTVALSTREAM(rawoutstream, " --vol-info-1 VOL-specific info to pass to the VOL connector used for\n");
PRINTVALSTREAM(rawoutstream, " opening the first HDF5 file specified\n");
PRINTVALSTREAM(rawoutstream, " --vol-value-2 Value (ID) of the VOL connector to use for opening the\n");
PRINTVALSTREAM(rawoutstream, " second HDF5 file specified\n");
PRINTVALSTREAM(rawoutstream, " --vol-name-2 Name of the VOL connector to use for opening the second\n");
PRINTVALSTREAM(rawoutstream, " HDF5 file specified\n");
PRINTVALSTREAM(rawoutstream, " --vol-info-2 VOL-specific info to pass to the VOL connector used for\n");
PRINTVALSTREAM(rawoutstream, " opening the second HDF5 file specified\n");
PRINTVALSTREAM(rawoutstream, " --follow-symlinks\n");
PRINTVALSTREAM(rawoutstream, " Follow symbolic links (soft links and external links and compare the)\n");
PRINTVALSTREAM(rawoutstream, " links' target objects.\n");
PRINTVALSTREAM(rawoutstream, " If symbolic link(s) with the same name exist in the files being\n");
PRINTVALSTREAM(rawoutstream, " compared, then determine whether the target of each link is an existing\n");
PRINTVALSTREAM(rawoutstream, " object (dataset, group, or named datatype) or the link is a dangling\n");
PRINTVALSTREAM(rawoutstream, " link (a soft or external link pointing to a target object that does\n");
PRINTVALSTREAM(rawoutstream, " not yet exist).\n");
PRINTVALSTREAM(rawoutstream, " - If both symbolic links are dangling links, they are treated as being\n");
PRINTVALSTREAM(rawoutstream, " the same; by default, h5diff returns an exit code of 0.\n");
PRINTVALSTREAM(rawoutstream, " If, however, --no-dangling-links is used with --follow-symlinks,\n");
PRINTVALSTREAM(rawoutstream, " this situation is treated as an error and h5diff returns an\n");
PRINTVALSTREAM(rawoutstream, " exit code of 2.\n");
PRINTVALSTREAM(rawoutstream, " - If only one of the two links is a dangling link,they are treated as\n");
PRINTVALSTREAM(rawoutstream, " being different and h5diff returns an exit code of 1.\n");
PRINTVALSTREAM(rawoutstream, " If, however, --no-dangling-links is used with --follow-symlinks,\n");
PRINTVALSTREAM(rawoutstream, " this situation is treated as an error and h5diff returns an\n");
PRINTVALSTREAM(rawoutstream, " exit code of 2.\n");
PRINTVALSTREAM(rawoutstream, " - If both symbolic links point to existing objects, h5diff compares the\n");
PRINTVALSTREAM(rawoutstream, " two objects.\n");
PRINTVALSTREAM(rawoutstream, " If any symbolic link specified in the call to h5diff does not exist,\n");
PRINTVALSTREAM(rawoutstream, " h5diff treats it as an error and returns an exit code of 2.\n");
PRINTVALSTREAM(rawoutstream, " --no-dangling-links\n");
PRINTVALSTREAM(rawoutstream, " Must be used with --follow-symlinks option; otherwise, h5diff shows\n");
PRINTVALSTREAM(rawoutstream, " error message and returns an exit code of 2.\n");
PRINTVALSTREAM(rawoutstream, " Check for any symbolic links (soft links or external links) that do not\n");
PRINTVALSTREAM(rawoutstream, " resolve to an existing object (dataset, group, or named datatype).\n");
PRINTVALSTREAM(rawoutstream, " If any dangling link is found, this situation is treated as an error\n");
PRINTVALSTREAM(rawoutstream, " and h5diff returns an exit code of 2.\n");
PRINTVALSTREAM(rawoutstream, " -c, --compare\n");
PRINTVALSTREAM(rawoutstream, " List objects that are not comparable\n");
PRINTVALSTREAM(rawoutstream, " -N, --nan\n");
PRINTVALSTREAM(rawoutstream, " Avoid NaNs detection\n");
PRINTVALSTREAM(rawoutstream, " -n C, --count=C\n");
PRINTVALSTREAM(rawoutstream, " Print differences up to C. C must be a positive integer.\n");
PRINTVALSTREAM(rawoutstream, " -d D, --delta=D\n");
PRINTVALSTREAM(rawoutstream, " Print difference if (|a-b| > D). D must be a positive number. Where a\n");
PRINTVALSTREAM(rawoutstream, " is the data point value in file1 and b is the data point value in file2.\n");
PRINTVALSTREAM(rawoutstream, " Can not use with '-p' or '--use-system-epsilon'.\n");
PRINTVALSTREAM(rawoutstream, " -p R, --relative=R\n");
PRINTVALSTREAM(rawoutstream, " Print difference if (|(a-b)/b| > R). R must be a positive number. Where a\n");
PRINTVALSTREAM(rawoutstream, " is the data point value in file1 and b is the data point value in file2.\n");
PRINTVALSTREAM(rawoutstream, " Can not use with '-d' or '--use-system-epsilon'.\n");
PRINTVALSTREAM(rawoutstream, " --use-system-epsilon\n");
PRINTVALSTREAM(rawoutstream, " Print difference if (|a-b| > EPSILON), EPSILON is system defined value. Where a\n");
PRINTVALSTREAM(rawoutstream, " is the data point value in file1 and b is the data point value in file2.\n");
PRINTVALSTREAM(rawoutstream, " If the system epsilon is not defined,one of the following predefined\n");
PRINTVALSTREAM(rawoutstream, " values will be used:\n");
PRINTVALSTREAM(rawoutstream, " FLT_EPSILON = 1.19209E-07 for floating-point type\n");
PRINTVALSTREAM(rawoutstream, " DBL_EPSILON = 2.22045E-16 for double precision type\n");
PRINTVALSTREAM(rawoutstream, " Can not use with '-p' or '-d'.\n");
PRINTVALSTREAM(rawoutstream, " --exclude-path \"path\"\n");
PRINTVALSTREAM(rawoutstream, " Exclude the specified path to an object when comparing files or groups.\n");
PRINTVALSTREAM(rawoutstream, " If a group is excluded, all member objects will also be excluded.\n");
PRINTVALSTREAM(rawoutstream, " The specified path is excluded wherever it occurs.\n");
PRINTVALSTREAM(rawoutstream, " This flexibility enables the same option to exclude either objects that\n");
PRINTVALSTREAM(rawoutstream, " exist only in one file or common objects that are known to differ.\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " When comparing files, \"path\" is the absolute path to the excluded;\n");
PRINTVALSTREAM(rawoutstream, " object; when comparing groups, \"path\" is similar to the relative\n");
PRINTVALSTREAM(rawoutstream, " path from the group to the excluded object. This \"path\" can be\n");
PRINTVALSTREAM(rawoutstream, " taken from the first section of the output of the --verbose option.\n");
PRINTVALSTREAM(rawoutstream, " For example, if you are comparing the group /groupA in two files and\n");
PRINTVALSTREAM(rawoutstream, " you want to exclude /groupA/groupB/groupC in both files, the exclude\n");
PRINTVALSTREAM(rawoutstream, " option would read as follows:\n");
PRINTVALSTREAM(rawoutstream, " --exclude-path \"/groupB/groupC\"\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " If there are multiple paths to an object, only the specified path(s)\n");
PRINTVALSTREAM(rawoutstream, " will be excluded; the comparison will include any path not explicitly\n");
PRINTVALSTREAM(rawoutstream, " excluded.\n");
PRINTVALSTREAM(rawoutstream, " This option can be used repeatedly to exclude multiple paths.\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " --exclude-attribute \"path/to/object/with/attribute\"\n");
PRINTVALSTREAM(rawoutstream, " Exclude attributes on the specified path to an object when comparing files or groups.\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " If there are multiple paths to an object, only the specified path(s)\n");
PRINTVALSTREAM(rawoutstream, " will be excluded; the comparison will include any path not explicitly\n");
PRINTVALSTREAM(rawoutstream, " excluded.\n");
PRINTVALSTREAM(rawoutstream, " This option can be used repeatedly to exclude multiple paths.\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " Modes of output:\n");
PRINTVALSTREAM(rawoutstream, " Default mode: print the number of differences found and where they occured\n");
PRINTVALSTREAM(rawoutstream, " -r Report mode: print the above plus the differences\n");
PRINTVALSTREAM(rawoutstream, " -v Verbose mode: print the above plus a list of objects and warnings\n");
PRINTVALSTREAM(rawoutstream, " -q Quiet mode: do not print output\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " File comparison:\n");
PRINTVALSTREAM(rawoutstream, " If no objects [obj1[ obj2]] are specified, the h5diff comparison proceeds as\n");
PRINTVALSTREAM(rawoutstream, " a comparison of the two files' root groups. That is, h5diff first compares\n");
PRINTVALSTREAM(rawoutstream, " the names of root group members, generates a report of root group objects\n");
PRINTVALSTREAM(rawoutstream, " that appear in only one file or in both files, and recursively compares\n");
PRINTVALSTREAM(rawoutstream, " common objects.\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " Object comparison:\n");
PRINTVALSTREAM(rawoutstream, " 1) Groups\n");
PRINTVALSTREAM(rawoutstream, " First compares the names of member objects (relative path, from the\n");
PRINTVALSTREAM(rawoutstream, " specified group) and generates a report of objects that appear in only\n");
PRINTVALSTREAM(rawoutstream, " one group or in both groups. Common objects are then compared recursively.\n");
PRINTVALSTREAM(rawoutstream, " 2) Datasets\n");
PRINTVALSTREAM(rawoutstream, " Array rank and dimensions, datatypes, and data values are compared.\n");
PRINTVALSTREAM(rawoutstream, " 3) Datatypes\n");
PRINTVALSTREAM(rawoutstream, " The comparison is based on the return value of H5Tequal.\n");
PRINTVALSTREAM(rawoutstream, " 4) Symbolic links\n");
PRINTVALSTREAM(rawoutstream, " The paths to the target objects are compared.\n");
PRINTVALSTREAM(rawoutstream, " (The option --follow-symlinks overrides the default behavior when\n");
PRINTVALSTREAM(rawoutstream, " symbolic links are compared.).\n");
PRINTVALSTREAM(rawoutstream, "\n");
/*
* TRILABS-227 is complete except for an issue with printing indices
* the following will be needed for subsetting
PRINTVALSTREAM(rawoutstream, " Subsetting options:\n");
PRINTVALSTREAM(rawoutstream, " Subsetting is available by using the fcompact form of subsetting, as follows:\n");
PRINTVALSTREAM(rawoutstream, " obj1 /foo/mydataset[START;STRIDE;COUNT;BLOCK]\n");
PRINTVALSTREAM(rawoutstream, " It is not required to use all parameters, but until the last parameter value used,\n");
PRINTVALSTREAM(rawoutstream, " all of the semicolons (;) are required, even when a parameter value is not specified. Example:\n");
PRINTVALSTREAM(rawoutstream, " obj1 /foo/mydataset[START;;COUNT;BLOCK]\n");
PRINTVALSTREAM(rawoutstream, " obj1 /foo/mydataset[START]\n");
PRINTVALSTREAM(rawoutstream, " The STRIDE, COUNT, and BLOCK parameters are optional and will default to 1 in\n");
PRINTVALSTREAM(rawoutstream, " each dimension. START is optional and will default to 0 in each dimension.\n");
PRINTVALSTREAM(rawoutstream, " Each of START, STRIDE, COUNT, and BLOCK must be a comma-separated list of integers with\n");
PRINTVALSTREAM(rawoutstream, " one integer for each dimension of the dataset.\n");
PRINTVALSTREAM(rawoutstream, "\n");
*/
PRINTVALSTREAM(rawoutstream, " Exit code:\n");
PRINTVALSTREAM(rawoutstream, " 0 if no differences, 1 if differences found, 2 if error\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " Examples of use:\n");
PRINTVALSTREAM(rawoutstream, " 1) h5diff file1 file2 /g1/dset1 /g1/dset2\n");
PRINTVALSTREAM(rawoutstream, " Compares object '/g1/dset1' in file1 with '/g1/dset2' in file2\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " 2) h5diff file1 file2 /g1/dset1\n");
PRINTVALSTREAM(rawoutstream, " Compares object '/g1/dset1' in both files\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " 3) h5diff file1 file2\n");
PRINTVALSTREAM(rawoutstream, " Compares all objects in both files\n");
PRINTVALSTREAM(rawoutstream, "\n");
PRINTVALSTREAM(rawoutstream, " Notes:\n");
PRINTVALSTREAM(rawoutstream, " file1 and file2 can be the same file.\n");
PRINTVALSTREAM(rawoutstream, " Use h5diff file1 file1 /g1/dset1 /g1/dset2 to compare\n");
PRINTVALSTREAM(rawoutstream, " '/g1/dset1' and '/g1/dset2' in the same file\n");
PRINTVALSTREAM(rawoutstream, "\n");
}