478be2d170
2000-11-27 Martin Baulig <martin@home-of-linux.org> * include/glibtop/glibtop-backend-info.h (glibtop_backend_close_func_t): Added `void *closure' argument. * include/glibtop/call-vector.h: Changed the second argument of all function in the call vector from `glibtop_backend *' to `void *closure'.
271 lines
8.1 KiB
Perl
Executable File
271 lines
8.1 KiB
Perl
Executable File
#!/usr/bin/perl
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require 'c_types.pl';
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$[ = 1; # set array base to 1
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$, = ' '; # set output field separator
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$\ = "\n"; # set output record separator
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$always_use_temp_storage = 1;
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sub toupper {
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local($_) = @_;
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tr/a-z/A-Z/;
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return $_;
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}
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sub tolower {
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local($_) = @_;
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tr/A-Z/a-z/;
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return $_;
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}
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print '/* lib.c */';
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print "/* This is a generated file. Please modify `lib.pl' */";
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print '';
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print '#include <glibtop.h>';
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print '#include <glibtop/open.h>';
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print '#include <glibtop/xmalloc.h>';
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print '';
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print '#include <glibtop/sysdeps.h>';
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print '#include <glibtop/union.h>';
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print '';
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print '#include <glibtop/glibtop-client.h>';
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print '';
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print '#include <glibtop/call-vector.h>';
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print '#include <glibtop-client-private.h>';
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print '';
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print '/* Some required fields are missing. */';
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print '';
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print '#if 0';
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print '';
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print 'static void';
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print '_glibtop_missing_feature (glibtop_client *client, const char *feature,';
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print "\t\t\t const u_int64_t present, u_int64_t *required)";
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print '{';
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print "\tu_int64_t old_required = *required;\n";
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print "\t/* Return if we have all required fields. */";
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print "\tif ((~present & old_required) == 0)";
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print "\t\treturn;\n";
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print "\tswitch (client->_param.error_method) {";
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print "\tcase GLIBTOP_ERROR_METHOD_WARN_ONCE:";
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print "\t\t*required &= present;";
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print "\tcase GLIBTOP_ERROR_METHOD_WARN:";
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print "\t\tglibtop_warn_r (client,";
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print "\t\t\t\t\"glibtop_get_%s (): Client requested \"";
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print "\t\t\t\t\"field mask %05lx, but only have %05lx.\",";
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print "\t\t\t\t feature, (unsigned long) old_required,";
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print "\t\t\t\t (unsigned long) present);";
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print "\t\tbreak;";
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print "\tcase GLIBTOP_ERROR_METHOD_ABORT:";
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print "\t\tglibtop_error_r (client,";
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print "\t\t\t\t\"glibtop_get_%s (): Client requested \"";
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print "\t\t\t\t\"field mask %05lx, but only have %05lx.\",";
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print "\t\t\t\t feature, (unsigned long) old_required,";
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print "\t\t\t\t (unsigned long) present);";
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print "\t\tbreak;";
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print "\t}";
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print '}';
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print '';
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print '#endif';
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print '';
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print '/* Library functions. */';
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print '';
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while (<>) {
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chop; # strip record separator
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if (/^[^#]/) {
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&output($_);
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}
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}
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sub output {
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local($line) = @_;
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@line_fields = split(/\|/, $line, 9999);
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$retval = $line_fields[1];
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$feature = $line_fields[2];
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$param_def = $line_fields[4];
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$orig = $feature;
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$feature =~ s/^@//;
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$space = $feature;
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$space =~ s/./ /g;
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if ($retval eq 'retval') {
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$retval_param = '&retval';
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$call_prefix = '';
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$call_prefix_space = '';
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$prefix = 'retval = ';
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$prefix_space = ' ';
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$retval = 'int';
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}
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elsif ($retval !~ /^void$/) {
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$retval_param = 'NULL';
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$prefix = 'retval = ';
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$prefix_space = ' ';
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$call_prefix = 'retval = ';
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$call_prefix_space = ' ';
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}
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else {
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$retval_param = 'NULL';
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$call_prefix = '';
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$call_prefix_space = '';
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$prefix = '';
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$prefix_space = '';
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}
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if ($retval =~ /^(array|pointer)\((.*)\)$/) {
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$retval = ($2 eq 'string') ? 'char **' : "$2 *";
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}
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$first_param_name = '';
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$call_param = '';
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$param_decl = '';
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$need_temp_len = 0;
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$nr_params = (@params = split(/:/, $param_def, 9999));
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for ($param = 1; $param <= $nr_params; $param++) {
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$list = $params[$param];
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$type = $params[$param];
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$type =~ s/\(.*//;
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$list =~ s/^.*\(//;
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$list =~ s/\)$//;
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$count = (@fields = split(/,/, $list, 9999));
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for ($field = 1; $field <= $count; $field++) {
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my $c_type = $typeinfo->{$type}->[1];
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if ($first_param_name eq '') {
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$first_param_name = $fields[$field];
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}
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if ($typeinfo->{$type}->[2]) {
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$need_temp_storage = 1;
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}
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if ($param_decl eq '') {
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$param_decl = ",\n " . $space . ' ';
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}
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else {
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$param_decl = $param_decl . ', ';
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}
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$param_decl = $param_decl . $c_type . ' ' . $fields[$field];
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$call_param = $call_param . ', ' . $fields[$field];
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}
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}
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$local_var_code = "\tGSList *list;\n\tint done = 0;\n\tGError *error = NULL;\n\n";
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if ($retval !~ /^void$/) {
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$local_var_code .= sprintf ("\t%s retval = (%s) 0;\n",
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$retval, $retval);
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}
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$sysdeps_code = sprintf
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("\tif (client->_priv->backend_list == NULL) {\n\t\tg_set_error (&error, GLIBTOP_ERROR, GLIBTOP_ERROR_NO_BACKEND_OPENED, G_STRLOC);\n");
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if ($line_fields[1] eq 'retval') {
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$sysdeps_code .= sprintf
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("\t\treturn -GLIBTOP_ERROR_NO_BACKEND_OPENED;\n");
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} else {
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$sysdeps_code .= sprintf
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("\t\tgoto do_return;\n");
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}
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$sysdeps_code .= sprintf
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("\t}\n\n");
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$sysdeps_code .= sprintf
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("\tfor (list = client->_priv->backend_list; list; list = list->next) {\n\t\tglibtop_backend *backend = list->data;\n\t\tglibtop_call_vector *call_vector;\n\n\t\tcall_vector = glibtop_backend_get_call_vector (backend);\n\n\t\tif (call_vector && call_vector->%s) {\n\t\t\tglibtop_server *server = glibtop_backend_get_server (backend);\n\t\t\tvoid *closure = glibtop_backend_get_closure_data (backend);\n\n", $feature);
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if ($line_fields[3] eq '') {
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$sysdeps_code .= sprintf
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("\t\t\tretval = call_vector->%s (server, closure%s);\n",
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$feature, $call_param);
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} elsif ($line_fields[3] eq 'array') {
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$sysdeps_code .= sprintf
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("\t\t\tretval = call_vector->%s (server, closure, array%s);\n",
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$feature, $call_param);
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} elsif ($line_fields[3] =~ /^array/) {
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$sysdeps_code .= sprintf
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("\t\t\tretval = call_vector->%s (server, closure, array, buf%s);\n",
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$feature, $call_param);
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} else {
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$sysdeps_code .= sprintf
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("\t\t\tretval = call_vector->%s (server, closure, buf%s);\n",
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$feature, $call_param);
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}
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$sysdeps_code .= sprintf
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("\t\t\tdone = 1;\n\t\t\tglibtop_server_unref (server);\n\t\t\t\tbreak;\n\t\t}\n\t}\n");
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$sysdeps_code .= sprintf
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("\n\tif (!done) {\n\t\tg_set_error (&error, GLIBTOP_ERROR, GLIBTOP_ERROR_NOT_IMPLEMENTED, G_STRLOC);\n");
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if ($line_fields[1] eq 'retval') {
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$sysdeps_code .= sprintf
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("\t\treturn -GLIBTOP_ERROR_NOT_IMPLEMENTED;\n");
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} else {
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$sysdeps_code .= sprintf
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("\t\tgoto do_return;\n");
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}
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$sysdeps_code .= sprintf
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("\t}\n\n");
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if ($line_fields[1] eq 'retval') {
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$sysdeps_code .= "\tif (retval < 0) {\n";
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$sysdeps_code .= "\t\tg_set_error (&error, GLIBTOP_ERROR, -retval, G_STRLOC);\n";
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$sysdeps_code .= "\t\tgoto do_return;\n";
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$sysdeps_code .= "\t}\n\n";
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}
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$sysdeps_code .= "\tgoto check_missing;\n";
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# $init_code = sprintf ("\tglibtop_init_r (&client, (1 << %s), 0);\n\n",
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# "GLIBTOP_SYSDEPS_".&toupper($feature));
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$init_code = '';
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$total_code = sprintf ("%s%s\n", $init_code, $sysdeps_code);
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$check_code = "check_missing:\n";
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$check_code .= "\t/* Make sure that all required fields are present. */\n";
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if (!(($line_fields[3] eq '') or ($line_fields[3] eq 'array'))) {
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# $check_code .= "\tif (buf->flags & client->info->required." . $feature . ")\n";
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# $check_code .= "\t\t_glibtop_missing_feature (client, \"" . $feature .
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"\", buf->flags,\n\t\t\t\t\t &client->info->required." . $feature . ");\n";
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}
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$total_code .= $check_code."\tgoto do_return;\n\n";
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$return_code = "do_return:\n";
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if ($retval !~ /^void$/) {
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$return_code .= "\treturn retval;\n";
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} else {
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$return_code .= "\treturn;\n";
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}
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$total_code .= $return_code;
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$func_decl = $retval."\n";
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if ($line_fields[3] eq '') {
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$func_decl .= sprintf ("glibtop_get_%s_l (glibtop_client *client%s)\n",
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$feature, $param_decl);
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} elsif ($line_fields[3] eq 'array') {
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$func_decl .= sprintf ("glibtop_get_%s_l (glibtop_client *client, glibtop_array *array%s)\n",
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$feature, $param_decl);
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} elsif ($line_fields[3] =~ /^array/) {
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$func_decl .= sprintf ("glibtop_get_%s_l (glibtop_client *client, glibtop_array *array, %s *buf%s)\n",
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$feature, 'glibtop_'.$feature, $param_decl);
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} else {
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$func_decl .= sprintf ("glibtop_get_%s_l (glibtop_client *client, %s *buf%s)\n",
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$feature, 'glibtop_'.$feature, $param_decl);
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}
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$total_code = sprintf ("%s{\n%s\n%s\n%s}\n", $func_decl,
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$local_var_code, $total_code);
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print $total_code;
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}
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