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-rw-r--r--tools/h5diff/h5diff_common.c498
1 files changed, 241 insertions, 257 deletions
diff --git a/tools/h5diff/h5diff_common.c b/tools/h5diff/h5diff_common.c
index f87fdf2..67977e9 100644
--- a/tools/h5diff/h5diff_common.c
+++ b/tools/h5diff/h5diff_common.c
@@ -11,23 +11,21 @@
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-#include <stdlib.h>
-#include <string.h>
#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* );
+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:Nc";
+static const char *s_opts = "hVrv:qn:d:p:NcelxE:S";
static struct long_options l_opts[] = {
{ "help", no_arg, 'h' },
{ "version", no_arg, 'V' },
@@ -43,6 +41,7 @@ static struct long_options l_opts[] = {
{ "follow-symlinks", no_arg, 'l' },
{ "no-dangling-links", no_arg, 'x' },
{ "exclude-path", require_arg, 'E' },
+ { "enable-error-stack", no_arg, 'S' },
{ NULL, 0, '\0' }
};
@@ -53,7 +52,7 @@ static struct long_options l_opts[] = {
*
*-------------------------------------------------------------------------
*/
-static void check_options(diff_opt_t* options)
+static void check_options(diff_opt_t* opts)
{
/*--------------------------------------------------------------
* check for mutually exclusive options
@@ -62,8 +61,7 @@ static void check_options(diff_opt_t* options)
/* check between -d , -p, --use-system-epsilon.
* These options are mutually exclusive.
*/
- if ((options->d + options->p + options->use_system_epsilon) > 1)
- {
+ if ((opts->d + opts->p + opts->use_system_epsilon) > 1) {
printf("%s error: -d, -p and --use-system-epsilon options are mutually-exclusive;\n", PROGRAMNAME);
printf("use no more than one.\n");
printf("Try '-h' or '--help' option for more information or see the %s entry in the 'HDF5 Reference Manual'.\n", PROGRAMNAME);
@@ -86,101 +84,105 @@ void parse_command_line(int argc,
const char** fname2,
const char** objname1,
const char** objname2,
- diff_opt_t* options)
+ diff_opt_t* opts)
{
int i;
int opt;
struct exclude_path_list *exclude_head, *exclude_prev, *exclude_node;
/* process the command-line */
- memset(options, 0, sizeof (diff_opt_t));
+ memset(opts, 0, sizeof (diff_opt_t));
/* assume equal contents initially */
- options->contents = 1;
+ opts->contents = 1;
/* NaNs are handled by default */
- options->do_nans = 1;
+ opts->do_nans = 1;
/* not Listing objects that are not comparable */
- options->m_list_not_cmp = 0;
+ opts->m_list_not_cmp = 0;
/* initially no not-comparable. */
/**this is bad in mixing option with results**/
- options->not_cmp=0;
+ opts->not_cmp=0;
/* init for exclude-path option */
exclude_head = NULL;
/* parse command line options */
- while ((opt = get_option(argc, argv, s_opts, l_opts)) != EOF)
- {
- switch ((char)opt)
- {
+ while ((opt = get_option(argc, argv, s_opts, l_opts)) != EOF) {
+ switch ((char)opt) {
default:
usage();
h5diff_exit(EXIT_FAILURE);
+
case 'h':
usage();
h5diff_exit(EXIT_SUCCESS);
+
case 'V':
print_version(h5tools_getprogname());
h5diff_exit(EXIT_SUCCESS);
+
case 'v':
- options->m_verbose = 1;
+ opts->m_verbose = 1;
/* This for loop is for handling style like
* -v, -v1, --verbose, --verbose=1.
*/
- for (i = 1; i < argc; i++)
- {
+ for (i = 1; i < argc; i++) {
/*
* short opt
*/
- if (!strcmp (argv[i], "-v")) /* no arg */
- {
+ if (!strcmp (argv[i], "-v")) { /* no arg */
opt_ind--;
- options->m_verbose_level = 0;
+ opts->m_verbose_level = 0;
break;
- }
- else if (!strncmp (argv[i], "-v", (size_t)2))
- {
- options->m_verbose_level = atoi(&argv[i][2]);
+ }
+ else if (!strncmp (argv[i], "-v", (size_t)2)) {
+ opts->m_verbose_level = atoi(&argv[i][2]);
break;
- }
+ }
/*
* long opt
*/
- if (!strcmp (argv[i], "--verbose")) /* no arg */
- {
- options->m_verbose_level = 0;
+ if (!strcmp (argv[i], "--verbose")) { /* no arg */
+ opts->m_verbose_level = 0;
break;
- }
- else if ( !strncmp (argv[i], "--verbose", (size_t)9) && argv[i][9]=='=')
- {
- options->m_verbose_level = atoi(&argv[i][10]);
+ }
+ else if ( !strncmp (argv[i], "--verbose", (size_t)9) && argv[i][9]=='=') {
+ opts->m_verbose_level = atoi(&argv[i][10]);
break;
}
}
break;
+
case 'q':
/* use quiet mode; supress the message "0 differences found" */
- options->m_quiet = 1;
+ opts->m_quiet = 1;
break;
+
case 'r':
- options->m_report = 1;
+ opts->m_report = 1;
break;
+
case 'l':
- options->follow_links = TRUE;
+ opts->follow_links = TRUE;
break;
+
case 'x':
- options->no_dangle_links = 1;
+ opts->no_dangle_links = 1;
+ break;
+
+ case 'S':
+ enable_error_stack = TRUE;
break;
+
case 'E':
- options->exclude_path = 1;
+ opts->exclude_path = 1;
/* create linked list of excluding objects */
- if( (exclude_node = (struct exclude_path_list*) HDmalloc(sizeof(struct exclude_path_list))) == NULL)
- {
+ if( (exclude_node = (struct exclude_path_list*) HDmalloc(sizeof(struct exclude_path_list))) == NULL) {
printf("Error: lack of memory!\n");
h5diff_exit(EXIT_FAILURE);
}
@@ -190,13 +192,11 @@ void parse_command_line(int argc,
exclude_node->obj_type = H5TRAV_TYPE_UNKNOWN;
exclude_prev = exclude_head;
- if (NULL == exclude_head)
- {
+ if (NULL == exclude_head) {
exclude_head = exclude_node;
exclude_head->next = NULL;
}
- else
- {
+ else {
while(NULL != exclude_prev->next)
exclude_prev=exclude_prev->next;
@@ -204,76 +204,69 @@ void parse_command_line(int argc,
exclude_prev->next = exclude_node;
}
break;
+
case 'd':
- options->d=1;
+ opts->d=1;
- if ( check_d_input( opt_arg )==-1)
- {
- printf("<-d %s> is not a valid option\n", opt_arg );
+ if (check_d_input(opt_arg) == - 1) {
+ printf("<-d %s> is not a valid option\n", opt_arg);
usage();
h5diff_exit(EXIT_FAILURE);
}
- options->delta = atof( opt_arg );
+ opts->delta = atof(opt_arg);
/* -d 0 is the same as default */
- if (options->delta == 0)
- options->d=0;
-
+ if (H5_DBL_ABS_EQUAL(opts->delta, (double)0.0F))
+ opts->d=0;
break;
case 'p':
-
- options->p=1;
- if ( check_p_input( opt_arg )==-1)
- {
- printf("<-p %s> is not a valid option\n", opt_arg );
+ opts->p=1;
+ if (check_p_input(opt_arg) == -1) {
+ printf("<-p %s> is not a valid option\n", opt_arg);
usage();
h5diff_exit(EXIT_FAILURE);
}
- options->percent = atof( opt_arg );
+ opts->percent = atof(opt_arg);
/* -p 0 is the same as default */
- if (options->percent == 0)
- options->p = 0;
-
+ if (H5_DBL_ABS_EQUAL(opts->percent, (double)0.0F))
+ opts->p = 0;
break;
case 'n':
-
- options->n=1;
- if ( check_n_input( opt_arg )==-1)
- {
- printf("<-n %s> is not a valid option\n", opt_arg );
+ opts->n=1;
+ if ( check_n_input(opt_arg) == -1) {
+ printf("<-n %s> is not a valid option\n", opt_arg);
usage();
h5diff_exit(EXIT_FAILURE);
}
- options->count = HDstrtoull(opt_arg, NULL, 0);
+ opts->count = HDstrtoull(opt_arg, NULL, 0);
break;
case 'N':
- options->do_nans = 0;
+ opts->do_nans = 0;
break;
case 'c':
- options->m_list_not_cmp = 1;
+ opts->m_list_not_cmp = 1;
break;
case 'e':
- options->use_system_epsilon = 1;
+ opts->use_system_epsilon = 1;
break;
}
}
/* check options */
- check_options(options);
+ check_options(opts);
/* if exclude-path option is used, keep the exclude path list */
- if (options->exclude_path)
- options->exclude = exclude_head;
+ if (opts->exclude_path)
+ opts->exclude = exclude_head;
/* check for file names to be processed */
- if (argc <= opt_ind || argv[ opt_ind + 1 ] == NULL)
- {
+ if (argc <= opt_ind || argv[ opt_ind + 1 ] == NULL) {
error_msg("missing file names\n");
usage();
h5diff_exit(EXIT_FAILURE);
@@ -283,18 +276,15 @@ void parse_command_line(int argc,
*fname2 = argv[ opt_ind + 1 ];
*objname1 = argv[ opt_ind + 2 ];
- if ( *objname1 == NULL )
- {
+ if (*objname1 == NULL) {
*objname2 = NULL;
return;
}
- if ( argv[ opt_ind + 3 ] != NULL)
- {
+ if (argv[ opt_ind + 3 ] != NULL) {
*objname2 = argv[ opt_ind + 3 ];
}
- else
- {
+ else {
*objname2 = *objname1;
}
@@ -310,34 +300,28 @@ void parse_command_line(int argc,
*-------------------------------------------------------------------------
*/
- void print_info(diff_opt_t* options)
+ void print_info(diff_opt_t* opts)
{
- if (options->m_quiet || options->err_stat )
+ if (opts->m_quiet || opts->err_stat)
return;
- if (options->cmn_objs==0)
- {
+ if (opts->cmn_objs == 0) {
printf("No common objects found. Files are not comparable.\n");
- if (!options->m_verbose)
+ if (!opts->m_verbose)
printf("Use -v for a list of objects.\n");
}
- if (options->not_cmp==1)
- {
- if ( options->m_list_not_cmp == 0 )
- {
+ if (opts->not_cmp == 1) {
+ if (opts->m_list_not_cmp == 0) {
printf("--------------------------------\n");
printf("Some objects are not comparable\n");
printf("--------------------------------\n");
- if (options->m_verbose)
+ if (opts->m_verbose)
printf("Use -c for a list of objects without details of differences.\n");
else
printf("Use -c for a list of objects.\n");
}
-
-
}
-
}
/*-------------------------------------------------------------------------
@@ -363,16 +347,14 @@ check_n_input( const char *str )
unsigned i;
char c;
- for ( i = 0; i < strlen(str); i++)
- {
+ for (i = 0; i < strlen(str); i++) {
c = str[i];
- if ( i==0 )
- {
- if ( c < 49 || c > 57 ) /* ascii values between 1 and 9 */
+ if (i == 0) {
+ if (c < 49 || c > 57) /* ascii values between 1 and 9 */
return -1;
}
else
- if ( c < 48 || c > 57 ) /* 0 also */
+ if (c < 48 || c > 57) /* 0 also */
return -1;
}
return 1;
@@ -402,11 +384,11 @@ check_p_input( const char *str )
the atof return value on a hexadecimal input is different
on some systems; we do a character check for this
*/
- if (strlen(str)>2 && str[0]=='0' && str[1]=='x')
+ if (strlen(str) > 2 && str[0] == '0' && str[1] == 'x')
return -1;
- x=atof(str);
- if (x<0)
+ x = atof(str);
+ if (x < 0)
return -1;
return 1;
@@ -436,11 +418,11 @@ check_d_input( const char *str )
the atof return value on a hexadecimal input is different
on some systems; we do a character check for this
*/
- if (strlen(str)>2 && str[0]=='0' && str[1]=='x')
+ if (strlen(str) > 2 && str[0] == '0' && str[1] == 'x')
return -1;
- x=atof(str);
- if (x <0)
+ x = atof(str);
+ if (x < 0)
return -1;
return 1;
@@ -458,151 +440,153 @@ check_d_input( const char *str )
void usage(void)
{
- printf("usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]\n");
- printf(" file1 File name of the first HDF5 file\n");
- printf(" file2 File name of the second HDF5 file\n");
- printf(" [obj1] Name of an HDF5 object, in absolute path\n");
- printf(" [obj2] Name of an HDF5 object, in absolute path\n");
- printf("\n");
- printf(" OPTIONS\n");
- printf(" -h, --help\n");
- printf(" Print a usage message and exit.\n");
- printf(" -V, --version\n");
- printf(" Print version number and exit.\n");
- printf(" -r, --report\n");
- printf(" Report mode. Print differences.\n");
- printf(" -v --verbose\n");
- printf(" Verbose mode. Print differences information and list of objects.\n");
- printf(" -vN --verbose=N\n");
- printf(" Verbose mode with level. Print differences and list of objects.\n");
- printf(" Level of detail depends on value of N:\n");
- printf(" 0 : Identical to '-v' or '--verbose'.\n");
- printf(" 1 : All level 0 information plus one-line attribute\n");
- printf(" status summary.\n");
- printf(" 2 : All level 1 information plus extended attribute\n");
- printf(" status report.\n");
- printf(" -q, --quiet\n");
- printf(" Quiet mode. Do not produce output.\n");
- printf(" --follow-symlinks\n");
- printf(" Follow symbolic links (soft links and external links and compare the)\n");
- printf(" links' target objects.\n");
- printf(" If symbolic link(s) with the same name exist in the files being\n");
- printf(" compared, then determine whether the target of each link is an existing\n");
- printf(" object (dataset, group, or named datatype) or the link is a dangling\n");
- printf(" link (a soft or external link pointing to a target object that does\n");
- printf(" not yet exist).\n");
- printf(" - If both symbolic links are dangling links, they are treated as being\n");
- printf(" the same; by default, h5diff returns an exit code of 0.\n");
- printf(" If, however, --no-dangling-links is used with --follow-symlinks,\n");
- printf(" this situation is treated as an error and h5diff returns an\n");
- printf(" exit code of 2.\n");
- printf(" - If only one of the two links is a dangling link,they are treated as\n");
- printf(" being different and h5diff returns an exit code of 1.\n");
- printf(" If, however, --no-dangling-links is used with --follow-symlinks,\n");
- printf(" this situation is treated as an error and h5diff returns an\n");
- printf(" exit code of 2.\n");
- printf(" - If both symbolic links point to existing objects, h5diff compares the\n");
- printf(" two objects.\n");
- printf(" If any symbolic link specified in the call to h5diff does not exist,\n");
- printf(" h5diff treats it as an error and returns an exit code of 2.\n");
- printf(" --no-dangling-links\n");
- printf(" Must be used with --follow-symlinks option; otherwise, h5diff shows\n");
- printf(" error message and returns an exit code of 2.\n");
- printf(" Check for any symbolic links (soft links or external links) that do not\n");
- printf(" resolve to an existing object (dataset, group, or named datatype).\n");
- printf(" If any dangling link is found, this situation is treated as an error\n");
- printf(" and h5diff returns an exit code of 2.\n");
- printf(" -c, --compare\n");
- printf(" List objects that are not comparable\n");
- printf(" -N, --nan\n");
- printf(" Avoid NaNs detection\n");
- printf(" -n C, --count=C\n");
- printf(" Print differences up to C. C must be a positive integer.\n");
- printf(" -d D, --delta=D\n");
- printf(" Print difference if (|a-b| > D). D must be a positive number. Where a\n");
- printf(" is the data point value in file1 and b is the data point value in file2.\n");
- printf(" Can not use with '-p' or '--use-system-epsilon'.\n");
- printf(" -p R, --relative=R\n");
- printf(" Print difference if (|(a-b)/b| > R). R must be a positive number. Where a\n");
- printf(" is the data point value in file1 and b is the data point value in file2.\n");
- printf(" Can not use with '-d' or '--use-system-epsilon'.\n");
- printf(" --use-system-epsilon\n");
- printf(" Print difference if (|a-b| > EPSILON), EPSILON is system defined value. Where a\n");
- printf(" is the data point value in file1 and b is the data point value in file2.\n");
- printf(" If the system epsilon is not defined,one of the following predefined\n");
- printf(" values will be used:\n");
- printf(" FLT_EPSILON = 1.19209E-07 for floating-point type\n");
- printf(" DBL_EPSILON = 2.22045E-16 for double precision type\n");
- printf(" Can not use with '-p' or '-d'.\n");
- printf(" --exclude-path \"path\"\n");
- printf(" Exclude the specified path to an object when comparing files or groups.\n");
- printf(" If a group is excluded, all member objects will also be excluded.\n");
- printf(" The specified path is excluded wherever it occurs.\n");
- printf(" This flexibility enables the same option to exclude either objects that\n");
- printf(" exist only in one file or common objects that are known to differ.\n");
- printf("\n");
- printf(" When comparing files, \"path\" is the absolute path to the excluded;\n");
- printf(" object; when comparing groups, \"path\" is similar to the relative\n");
- printf(" path from the group to the excluded object. This \"path\" can be\n");
- printf(" taken from the first section of the output of the --verbose option.\n");
- printf(" For example, if you are comparing the group /groupA in two files and\n");
- printf(" you want to exclude /groupA/groupB/groupC in both files, the exclude\n");
- printf(" option would read as follows:\n");
- printf(" --exclude-path \"/groupB/groupC\"\n");
- printf("\n");
- printf(" If there are multiple paths to an object, only the specified path(s)\n");
- printf(" will be excluded; the comparison will include any path not explicitly\n");
- printf(" excluded.\n");
- printf(" This option can be used repeatedly to exclude multiple paths.\n");
- printf("\n");
-
- printf(" Modes of output:\n");
- printf(" Default mode: print the number of differences found and where they occured\n");
- printf(" -r Report mode: print the above plus the differences\n");
- printf(" -v Verbose mode: print the above plus a list of objects and warnings\n");
- printf(" -q Quiet mode: do not print output\n");
-
- printf("\n");
-
- printf(" File comparison:\n");
- printf(" If no objects [obj1[ obj2]] are specified, the h5diff comparison proceeds as\n");
- printf(" a comparison of the two files' root groups. That is, h5diff first compares\n");
- printf(" the names of root group members, generates a report of root group objects\n");
- printf(" that appear in only one file or in both files, and recursively compares\n");
- printf(" common objects.\n");
- printf("\n");
-
- printf(" Object comparison:\n");
- printf(" 1) Groups\n");
- printf(" First compares the names of member objects (relative path, from the\n");
- printf(" specified group) and generates a report of objects that appear in only\n");
- printf(" one group or in both groups. Common objects are then compared recursively.\n");
- printf(" 2) Datasets\n");
- printf(" Array rank and dimensions, datatypes, and data values are compared.\n");
- printf(" 3) Datatypes\n");
- printf(" The comparison is based on the return value of H5Tequal.\n");
- printf(" 4) Symbolic links\n");
- printf(" The paths to the target objects are compared.\n");
- printf(" (The option --follow-symlinks overrides the default behavior when\n");
- printf(" symbolic links are compared.).\n");
- printf("\n");
-
- printf(" Exit code:\n");
- printf(" 0 if no differences, 1 if differences found, 2 if error\n");
- printf("\n");
- printf(" Examples of use:\n");
- printf(" 1) h5diff file1 file2 /g1/dset1 /g1/dset2\n");
- printf(" Compares object '/g1/dset1' in file1 with '/g1/dset2' in file2\n");
- printf("\n");
- printf(" 2) h5diff file1 file2 /g1/dset1\n");
- printf(" Compares object '/g1/dset1' in both files\n");
- printf("\n");
- printf(" 3) h5diff file1 file2\n");
- printf(" Compares all objects in both files\n");
- printf("\n");
- printf(" Notes:\n");
- printf(" file1 and file2 can be the same file.\n");
- printf(" Use h5diff file1 file1 /g1/dset1 /g1/dset2 to compare\n");
- printf(" '/g1/dset1' and '/g1/dset2' in the same file\n");
- printf("\n");
+ 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\n");
+ PRINTVALSTREAM(rawoutstream, " status summary.\n");
+ PRINTVALSTREAM(rawoutstream, " 2 : All level 1 information plus extended attribute\n");
+ PRINTVALSTREAM(rawoutstream, " status report.\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, " --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, " 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");
+
+ 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");
}