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-rw-r--r--tools/h5diff/h5diff_common.c207
1 files changed, 116 insertions, 91 deletions
diff --git a/tools/h5diff/h5diff_common.c b/tools/h5diff/h5diff_common.c
index fd679d3..141e81d 100644
--- a/tools/h5diff/h5diff_common.c
+++ b/tools/h5diff/h5diff_common.c
@@ -46,6 +46,31 @@ static struct long_options l_opts[] = {
{ NULL, 0, '\0' }
};
+/*-------------------------------------------------------------------------
+ * Function: check_options
+ *
+ * Purpose: parse command line input
+ *
+ *-------------------------------------------------------------------------
+ */
+static check_options(diff_opt_t* options)
+{
+ /*--------------------------------------------------------------
+ * check for mutually exclusive options
+ *--------------------------------------------------------------*/
+
+ /* check between -d , -p, --use-system-epsilon.
+ * These options are mutually exclusive.
+ */
+ if ((options->d + options->p + options->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);
+ h5diff_exit(EXIT_FAILURE);
+ }
+}
+
/*-------------------------------------------------------------------------
* Function: parse_command_line
@@ -231,14 +256,13 @@ void parse_command_line(int argc,
}
}
+ /* check options */
+ check_options(options);
+
/* if exclude-path option is used, keep the exclude path list */
if (options->exclude_path)
options->exclude = exclude_head;
- /* if use system epsilon, unset -p and -d option */
- if (options->use_system_epsilon)
- options->d = options->p = 0;
-
/* check for file names to be processed */
if (argc <= opt_ind || argv[ opt_ind + 1 ] == NULL)
{
@@ -424,97 +448,98 @@ 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(" 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 Print a usage message and exit.\n");
- printf(" -V, --version Print version number and exit.\n");
- printf(" -r, --report Report mode. Print differences.\n");
- printf(" -v --verbose Verbose mode. Print differences information and list\n");
- printf(" of objects.\n");
- printf(" -vN --verbose=N Verbose mode with level. Print differences and list\n");
- printf(" 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 Quiet mode. Do not produce output.\n");
- printf(" --follow-symlinks Follow symbolic links (soft links and external links)\n");
- printf(" and compare the links' target objects.\n");
- printf(" If symbolic link(s) with the same name exist in the\n");
- printf(" files being compared, then determine whether the \n");
- printf(" target of each link is an existing object (dataset,\n");
- printf(" group, or named datatype) or the link is a dangling\n");
- printf(" link (a soft or external link pointing to a target\n");
- printf(" object that does not yet exist).\n");
- printf(" - If both symbolic links are dangling links, they\n");
- printf(" are treated as being the same; by default, h5diff\n");
- printf(" returns an exit code of 0. If, however, \n");
- printf(" --no-dangling-links is used with --follow-symlinks,\n");
- printf(" this situation is treated as an error and h5diff \n");
- printf(" returns an exit code of 2.\n");
- printf(" - If only one of the two links is a dangling link,\n");
- printf(" they are treated as being different and h5diff \n");
- printf(" returns an exit code of 1. If, however, \n");
- printf(" --no-dangling-links is used with --follow-symlinks,\n");
- printf(" this situation is treated as an error and h5diff \n");
- printf(" returns an exit code of 2.\n");
- printf(" - If both symbolic links point to existing objects,\n");
- printf(" h5diff compares the two objects.\n");
- printf(" If any symbolic link specified in the call to h5diff\n");
- printf(" does not exist, h5diff treats it as an error and\n");
- printf(" returns an exit code of 2.\n");
- printf(" --no-dangling-links Must be used with --follow-symlinks option;\n");
- printf(" otherwise, h5diff shows error message and returns\n");
- printf(" an exit code of 2.\n");
- printf(" Check for any symbolic links (soft links or external\n");
- printf(" links) that do not resolve to an existing object\n");
- printf(" (dataset, group, or named datatype). If any\n");
- printf(" dangling link is found, this situation is treated as\n");
- printf(" an error and h5diff returns an exit code of 2.\n");
- printf(" -c, --compare List objects that are not comparable\n");
- printf(" -N, --nan Avoid NaNs detection\n");
- printf(" -n C, --count=C Print differences up to C number, C is a positive\n");
- printf(" integer.\n");
- printf(" -d D, --delta=D Print difference if (|a-b| > D), D is a positive\n");
- printf(" number.\n");
- printf(" -p R, --relative=R Print difference if (|(a-b)/b| > R), R is a positive\n");
- printf(" number.\n");
- printf(" --use-system-epsilon Print difference if (|a-b| > EPSILON), EPSILON is\n");
- printf(" a system epsilon value.\n");
- printf(" If the system epsilon is not defined, the below\n");
- printf(" one of the following predefined values will be used:\n");
- printf(" FLT_EPSILON = 1.19209E-07 for floating-point type\n");
- printf(" DBL_EPSILON = 2.22045E-16 for double percision type\n");
- printf(" --exclude-path \"path\" Exclude the specified path to an object when\n");
- printf(" comparing files or groups. If a group is excluded,\n");
- printf(" 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\n");
- printf(" either objects that exist only in one file or\n");
- printf(" common objects that are known to differ.\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.\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.\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.\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\n");
- printf(" the excluded object; when comparing groups, \"path\" is\n");
- printf(" similar to the relative path from the group to the\n");
- printf(" excluded object. This \"path\" can be taken from the\n");
- printf(" first section of the output of the --verbose option.\n");
- printf(" For example, if you are comparing the group /groupA\n");
- printf(" in two files and you want to exclude\n");
- printf(" /groupA/groupB/groupC in both files, the exclude\n");
- printf(" option would read as follows:\n");
- printf(" --exclude-path \"/groupB/groupC\"\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\n");
- printf(" specified path(s) will be excluded; the comparison\n");
- printf(" will include any path not explicitly excluded.\n");
- printf(" This option can be used repeatedly to exclude\n");
- printf(" multiple paths.\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");