/* print.c
* Routines for printing packet analysis trees.
*
- * $Id: print.c,v 1.14 1999/07/23 08:29:22 guy Exp $
+ * $Id: print.c,v 1.57 2002/08/28 21:00:40 jmayer Exp $
*
- * Gilbert Ramirez <gram@verdict.uthscsa.edu>
+ * Gilbert Ramirez <gram@alumni.rice.edu>
*
* Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@zing.org>
+ * By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
- *
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# include "config.h"
#endif
-#include <gtk/gtk.h>
#include <stdio.h>
#include <string.h>
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
+#include <epan/epan.h>
+#include <epan/epan_dissect.h>
+#include <epan/tvbuff.h>
+#include <epan/packet.h>
-#include "ethereal.h"
-#include "packet.h"
-#include "gtkpacket.h"
-#include "prefs.h"
#include "print.h"
#include "ps.h"
+#include "util.h"
+#include "packet-data.h"
-static void printer_opts_file_cb(GtkWidget *w, gpointer te);
-static void printer_opts_fs_cancel_cb(GtkWidget *w, gpointer data);
-static void printer_opts_fs_ok_cb(GtkWidget *w, gpointer data);
-static void printer_opts_toggle_format(GtkWidget *widget, gpointer data);
-static void printer_opts_toggle_dest(GtkWidget *widget, gpointer data);
-static void proto_tree_print_node_text(GNode *node, gpointer data);
-static void dumpit (FILE *fh, register const u_char *cp, register u_int length);
-static void proto_tree_print_node_ps(GNode *node, gpointer data);
+static void proto_tree_print_node(GNode *node, gpointer data);
+static void print_hex_data_buffer(FILE *fh, register const guchar *cp,
+ register guint length, char_enc encoding, gint format);
static void ps_clean_string(unsigned char *out, const unsigned char *in,
int outbuf_size);
-static void dumpit_ps (FILE *fh, register const u_char *cp, register u_int length);
-
-extern int proto_data; /* in packet-data.c */
-
-/* #include "ps.c" */
-
-/* Key for gtk_object_set_data */
-#define PRINT_CMD_TE_KEY "printer_command_entry"
-#define PRINT_FILE_TE_KEY "printer_file_entry"
-
-GtkWidget * printer_prefs_show()
-{
- GtkWidget *main_vb, *main_tb, *button;
- GtkWidget *format_hb, *format_lb;
- GtkWidget *dest_hb, *dest_lb;
- GtkWidget *cmd_lb, *cmd_te;
- GtkWidget *file_bt_hb, *file_bt, *file_te;
- GSList *format_grp, *dest_grp;
-
- /* Enclosing containers for each row of widgets */
- main_vb = gtk_vbox_new(FALSE, 5);
- gtk_container_border_width(GTK_CONTAINER(main_vb), 5);
-
- main_tb = gtk_table_new(4, 2, FALSE);
- gtk_box_pack_start(GTK_BOX(main_vb), main_tb, FALSE, FALSE, 0);
- gtk_table_set_row_spacings(GTK_TABLE(main_tb), 10);
- gtk_table_set_col_spacings(GTK_TABLE(main_tb), 15);
- gtk_widget_show(main_tb);
-
- /* Output format */
- format_lb = gtk_label_new("Format:");
- gtk_misc_set_alignment(GTK_MISC(format_lb), 1.0, 0.5);
- gtk_table_attach_defaults(GTK_TABLE(main_tb), format_lb, 0, 1, 0, 1);
- gtk_widget_show(format_lb);
-
- format_hb = gtk_hbox_new(FALSE, 0);
- gtk_table_attach_defaults(GTK_TABLE(main_tb), format_hb, 1, 2, 0, 1);
- gtk_widget_show(format_hb);
-
- button = gtk_radio_button_new_with_label(NULL, "Plain Text");
- if (prefs.pr_format == PR_FMT_TEXT) {
- gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button), TRUE);
- }
- format_grp = gtk_radio_button_group(GTK_RADIO_BUTTON(button));
- gtk_box_pack_start(GTK_BOX(format_hb), button, FALSE, FALSE, 10);
- gtk_widget_show(button);
-
- button = gtk_radio_button_new_with_label(format_grp, "PostScript");
- if (prefs.pr_format == PR_FMT_PS) {
- gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button), TRUE);
- }
- gtk_signal_connect(GTK_OBJECT(button), "toggled",
- GTK_SIGNAL_FUNC(printer_opts_toggle_format), NULL);
- gtk_box_pack_start(GTK_BOX(format_hb), button, FALSE, FALSE, 10);
- gtk_widget_show(button);
-
- /* Output destination */
- dest_lb = gtk_label_new("Print to:");
- gtk_misc_set_alignment(GTK_MISC(dest_lb), 1.0, 0.5);
- gtk_table_attach_defaults(GTK_TABLE(main_tb), dest_lb, 0, 1, 1, 2);
- gtk_widget_show(dest_lb);
-
- dest_hb = gtk_hbox_new(FALSE, 0);
- gtk_table_attach_defaults(GTK_TABLE(main_tb), dest_hb, 1, 2, 1, 2);
- gtk_widget_show(dest_hb);
-
- button = gtk_radio_button_new_with_label(NULL, "Command");
- if (prefs.pr_dest == PR_DEST_CMD) {
- gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button), TRUE);
- }
- dest_grp = gtk_radio_button_group(GTK_RADIO_BUTTON(button));
- gtk_box_pack_start(GTK_BOX(dest_hb), button, FALSE, FALSE, 10);
- gtk_widget_show(button);
-
- button = gtk_radio_button_new_with_label(dest_grp, "File");
- if (prefs.pr_dest == PR_DEST_FILE) {
- gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button), TRUE);
- }
- gtk_signal_connect(GTK_OBJECT(button), "toggled",
- GTK_SIGNAL_FUNC(printer_opts_toggle_dest), NULL);
- gtk_box_pack_start(GTK_BOX(dest_hb), button, FALSE, FALSE, 10);
- gtk_widget_show(button);
-
- /* Command text entry */
- cmd_lb = gtk_label_new("Command:");
- gtk_misc_set_alignment(GTK_MISC(cmd_lb), 1.0, 0.5);
- gtk_table_attach_defaults(GTK_TABLE(main_tb), cmd_lb, 0, 1, 2, 3);
- gtk_widget_show(cmd_lb);
-
- cmd_te = gtk_entry_new();
- gtk_object_set_data(GTK_OBJECT(main_vb), PRINT_CMD_TE_KEY, cmd_te);
- if (prefs.pr_cmd) gtk_entry_set_text(GTK_ENTRY(cmd_te), prefs.pr_cmd);
- gtk_table_attach_defaults(GTK_TABLE(main_tb), cmd_te, 1, 2, 2, 3);
- gtk_widget_show(cmd_te);
-
- /* File button and text entry */
- file_bt_hb = gtk_hbox_new(FALSE, 0);
- gtk_table_attach_defaults(GTK_TABLE(main_tb), file_bt_hb, 0, 1, 3, 4);
- gtk_widget_show(file_bt_hb);
-
- file_bt = gtk_button_new_with_label("File:");
- gtk_box_pack_end(GTK_BOX(file_bt_hb), file_bt, FALSE, FALSE, 0);
- gtk_widget_show(file_bt);
-
- file_te = gtk_entry_new();
- gtk_object_set_data(GTK_OBJECT(main_vb), PRINT_FILE_TE_KEY, file_te);
- if (prefs.pr_file) gtk_entry_set_text(GTK_ENTRY(file_te), prefs.pr_file);
- gtk_table_attach_defaults(GTK_TABLE(main_tb), file_te, 1, 2, 3, 4);
- gtk_widget_show(file_te);
-
- gtk_signal_connect(GTK_OBJECT(file_bt), "clicked",
- GTK_SIGNAL_FUNC(printer_opts_file_cb), GTK_OBJECT(file_te));
-
- gtk_widget_show(main_vb);
- return(main_vb);
-}
-
-
-static void
-printer_opts_file_cb(GtkWidget *file_bt, gpointer file_te) {
- GtkWidget *fs;
-
- fs = gtk_file_selection_new ("Ethereal: Print to a File");
- gtk_object_set_data(GTK_OBJECT(fs), PRINT_FILE_TE_KEY, file_te);
-
- gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION(fs)->ok_button),
- "clicked", (GtkSignalFunc) printer_opts_fs_ok_cb, fs);
-
- /* Connect the cancel_button to destroy the widget */
- gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION(fs)->cancel_button),
- "clicked", (GtkSignalFunc) printer_opts_fs_cancel_cb, fs);
-
- gtk_widget_show(fs);
-}
-
-static void
-printer_opts_fs_ok_cb(GtkWidget *w, gpointer data) {
-
- gtk_entry_set_text(GTK_ENTRY(gtk_object_get_data(GTK_OBJECT(data),
- PRINT_FILE_TE_KEY)),
- gtk_file_selection_get_filename (GTK_FILE_SELECTION(data)));
- printer_opts_fs_cancel_cb(w, data);
-}
-
-static void
-printer_opts_fs_cancel_cb(GtkWidget *w, gpointer data) {
-
- gtk_widget_destroy(GTK_WIDGET(data));
-}
-
-void
-printer_prefs_ok(GtkWidget *w)
-{
- if(prefs.pr_cmd) g_free(prefs.pr_cmd);
- prefs.pr_cmd =
- g_strdup(gtk_entry_get_text(GTK_ENTRY(gtk_object_get_data(GTK_OBJECT(w),
- PRINT_CMD_TE_KEY))));
-
- if(prefs.pr_file) g_free(prefs.pr_file);
- prefs.pr_file =
- g_strdup(gtk_entry_get_text(GTK_ENTRY(gtk_object_get_data(GTK_OBJECT(w),
- PRINT_FILE_TE_KEY))));
-}
-
-void
-printer_prefs_save(GtkWidget *w)
-{
- printer_prefs_ok(w);
-}
-
-void
-printer_prefs_cancel(GtkWidget *w)
-{
-}
-
-static void
-printer_opts_toggle_format(GtkWidget *widget, gpointer data)
-{
- if (GTK_TOGGLE_BUTTON (widget)->active) {
- prefs.pr_format = PR_FMT_PS;
- /* toggle file/cmd */
- }
- else {
- prefs.pr_format = PR_FMT_TEXT;
- /* toggle file/cmd */
- }
-}
-
-static void
-printer_opts_toggle_dest(GtkWidget *widget, gpointer data)
-{
- if (GTK_TOGGLE_BUTTON (widget)->active) {
- prefs.pr_dest = PR_DEST_FILE;
- }
- else {
- prefs.pr_dest = PR_DEST_CMD;
- }
-}
-
-/* ========================================================== */
typedef struct {
int level;
FILE *fh;
- const guint8 *pd;
+ GSList *src_list;
+ gboolean print_all_levels;
+ gboolean print_hex_for_data;
+ char_enc encoding;
+ gint format; /* text or PostScript */
} print_data;
FILE *open_print_dest(int to_file, const char *dest)
{
FILE *fh;
- char *out;
/* Open the file or command for output */
- out = dest;
if (to_file)
fh = fopen(dest, "w");
else
- fh = popen(prefs.pr_cmd, "w");
+ fh = popen(dest, "w");
return fh;
}
pclose(fh);
}
-void proto_tree_print(GNode *protocol_tree, const u_char *pd, frame_data *fd,
+void proto_tree_print(print_args_t *print_args, epan_dissect_t *edt,
FILE *fh)
{
print_data data;
/* Create the output */
data.level = 0;
data.fh = fh;
- data.pd = pd;
- if (prefs.pr_format == PR_FMT_TEXT) {
- g_node_children_foreach((GNode*) protocol_tree, G_TRAVERSE_ALL,
- proto_tree_print_node_text, &data);
- } else {
- print_ps_preamble(fh);
- g_node_children_foreach((GNode*) protocol_tree, G_TRAVERSE_ALL,
- proto_tree_print_node_ps, &data);
- print_ps_finale(fh);
+ data.src_list = edt->pi.data_src;
+ data.encoding = edt->pi.fd->flags.encoding;
+ data.print_all_levels = print_args->expand_all;
+ data.print_hex_for_data = !print_args->print_hex;
+ /* If we're printing the entire packet in hex, don't
+ print uninterpreted data fields in hex as well. */
+ data.format = print_args->format;
+
+ g_node_children_foreach((GNode*) edt->tree, G_TRAVERSE_ALL,
+ proto_tree_print_node, &data);
+}
+
+/*
+ * Find the data source for a specified field, and return a pointer
+ * to the data in it.
+ */
+static const guint8 *
+get_field_data(GSList *src_list, field_info *fi)
+{
+ GSList *src_le;
+ data_source *src;
+ tvbuff_t *src_tvb;
+
+ for (src_le = src_list; src_le != NULL; src_le = src_le->next) {
+ src = src_le->data;
+ src_tvb = src->tvb;
+ if (fi->ds_tvb == src_tvb) {
+ /*
+ * Found it.
+ */
+ return tvb_get_ptr(src_tvb, fi->start, fi->length);
+ }
}
+ g_assert_not_reached();
+ return NULL; /* not found */
}
-/* Print a tree's data, and any child nodes, in plain text */
+#define MAX_INDENT 160
+
+#define MAX_PS_LINE_LENGTH 256
+
+/* Print a tree's data, and any child nodes. */
static
-void proto_tree_print_node_text(GNode *node, gpointer data)
+void proto_tree_print_node(GNode *node, gpointer data)
{
- field_info *fi = (field_info*) (node->data);
+ field_info *fi = PITEM_FINFO(node);
print_data *pdata = (print_data*) data;
- int i;
- int num_spaces;
- char space[41];
+ const guint8 *pd;
gchar label_str[ITEM_LABEL_LENGTH];
gchar *label_ptr;
+ /* Don't print invisible entries. */
if (!fi->visible)
return;
label_ptr = label_str;
proto_item_fill_label(fi, label_str);
}
-
- /* Prepare the tabs for printing, depending on tree level */
- num_spaces = pdata->level * 4;
- if (num_spaces > 40) {
- num_spaces = 40;
- }
- for (i = 0; i < num_spaces; i++) {
- space[i] = ' ';
+
+ print_line(pdata->fh, pdata->level, pdata->format, label_ptr);
+
+ /* If it's uninterpreted data, dump it (unless our caller will
+ be printing the entire packet in hex). */
+ if (fi->hfinfo->id == proto_data && pdata->print_hex_for_data) {
+ /*
+ * Find the data for this field.
+ */
+ pd = get_field_data(pdata->src_list, fi);
+ print_hex_data_buffer(pdata->fh, pd, fi->length,
+ pdata->encoding, pdata->format);
}
- /* The string is NUL-terminated */
- space[num_spaces] = 0;
-
- /* Print the text */
- fprintf(pdata->fh, "%s%s\n", space, label_ptr);
-
- /* If it's uninterpreted data, dump it. */
- if (fi->hfinfo->id == proto_data)
- dumpit(pdata->fh, &pdata->pd[fi->start], fi->length);
-
- /* Recurse into the subtree, if it exists */
- if (g_node_n_children(node) > 0) {
- pdata->level++;
- g_node_children_foreach(node, G_TRAVERSE_ALL,
- proto_tree_print_node_text, pdata);
- pdata->level--;
+
+ /* If we're printing all levels, or if this node is one with a
+ subtree and its subtree is expanded, recurse into the subtree,
+ if it exists. */
+ g_assert(fi->tree_type >= -1 && fi->tree_type < num_tree_types);
+ if (pdata->print_all_levels ||
+ (fi->tree_type >= 0 && tree_is_expanded[fi->tree_type])) {
+ if (g_node_n_children(node) > 0) {
+ pdata->level++;
+ g_node_children_foreach(node, G_TRAVERSE_ALL,
+ proto_tree_print_node, pdata);
+ pdata->level--;
+ }
}
}
-/* This routine was created by Dan Lasley <DLASLEY@PROMUS.com>, and
-only slightly modified for ethereal by Gilbert Ramirez. */
-static
-void dumpit (FILE *fh, register const u_char *cp, register u_int length)
+void print_hex_data(FILE *fh, gint format, epan_dissect_t *edt)
{
- register int ad, i, j, k;
- u_char c;
- u_char line[60];
- static u_char binhex[16] = {
- '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
-
- memset (line, ' ', sizeof line);
- line[sizeof (line)-1] = 0;
- for (ad=i=j=k=0; i<length; i++) {
- c = *cp++;
- line[j++] = binhex[c>>4];
- line[j++] = binhex[c&0xf];
- if (i&1) j++;
- line[42+k++] = c >= ' ' && c < 0x7f ? c : '.';
- if ((i & 15) == 15) {
- fprintf (fh, "\n%4x %s", ad, line);
- /*if (i==15) printf (" %d", length);*/
- memset (line, ' ', sizeof line);
- line[sizeof (line)-1] = j = k = 0;
- ad += 16;
- }
- }
-
- if (line[0] != ' ') fprintf (fh, "\n%4x %s", ad, line);
- fprintf(fh, "\n");
- return;
-
+ gboolean multiple_sources;
+ GSList *src_le;
+ data_source *src;
+ tvbuff_t *tvb;
+ char *name;
+ char *line;
+ const guchar *cp;
+ guint length;
+
+ /*
+ * Set "multiple_sources" iff this frame has more than one
+ * data source; if it does, we need to print the name of
+ * the data source before printing the data from the
+ * data source.
+ */
+ multiple_sources = (edt->pi.data_src->next != NULL);
+
+ for (src_le = edt->pi.data_src; src_le != NULL;
+ src_le = src_le->next) {
+ src = src_le->data;
+ tvb = src->tvb;
+ if (multiple_sources) {
+ name = src->name;
+ print_line(fh, 0, format, "");
+ line = g_malloc(strlen(name) + 2); /* <name>:\0 */
+ strcpy(line, name);
+ strcat(line, ":");
+ print_line(fh, 0, format, line);
+ g_free(line);
+ }
+ length = tvb_length(tvb);
+ cp = tvb_get_ptr(tvb, 0, length);
+ print_hex_data_buffer(fh, cp, length,
+ edt->pi.fd->flags.encoding, format);
+ }
}
-#define MAX_LINE_LENGTH 256
-
-/* Print a node's data, and any child nodes, in PostScript */
-static
-void proto_tree_print_node_ps(GNode *node, gpointer data)
-{
- field_info *fi = (field_info*) (node->data);
- print_data *pdata = (print_data*) data;
- gchar label_str[ITEM_LABEL_LENGTH];
- gchar *label_ptr;
- char psbuffer[MAX_LINE_LENGTH]; /* static sized buffer! */
+/*
+ * This routine is based on a routine created by Dan Lasley
+ * <DLASLEY@PROMUS.com>.
+ *
+ * It was modified for Ethereal by Gilbert Ramirez and others.
+ */
- if (!fi->visible)
- return;
+#define MAX_OFFSET_LEN 8 /* max length of hex offset of bytes */
+#define BYTES_PER_LINE 16 /* max byte values printed on a line */
+#define HEX_DUMP_LEN (BYTES_PER_LINE*3)
+ /* max number of characters hex dump takes -
+ 2 digits plus trailing blank */
+#define DATA_DUMP_LEN (HEX_DUMP_LEN + 2 + BYTES_PER_LINE)
+ /* number of characters those bytes take;
+ 3 characters per byte of hex dump,
+ 2 blanks separating hex from ASCII,
+ 1 character per byte of ASCII dump */
+#define MAX_LINE_LEN (MAX_OFFSET_LEN + 2 + DATA_DUMP_LEN)
+ /* number of characters per line;
+ offset, 2 blanks separating offset
+ from data dump, data dump */
- /* was a free format label produced? */
- if (fi->representation) {
- label_ptr = fi->representation;
- }
- else { /* no, make a generic label */
- label_ptr = label_str;
- proto_item_fill_label(fi, label_str);
- }
-
- /* Print the text */
- ps_clean_string(psbuffer, label_ptr, MAX_LINE_LENGTH);
- fprintf(pdata->fh, "%d (%s) putline\n", pdata->level, psbuffer);
-
- /* If it's uninterpreted data, dump it. */
- if (fi->hfinfo->id == proto_data) {
- print_ps_hex(pdata->fh);
- dumpit_ps(pdata->fh, &pdata->pd[fi->start], fi->length);
- }
-
- /* Recurse into the subtree, if it exists */
- if (g_node_n_children(node) > 0) {
- pdata->level++;
- g_node_children_foreach(node, G_TRAVERSE_ALL,
- proto_tree_print_node_ps, pdata);
- pdata->level--;
+static void
+print_hex_data_buffer(FILE *fh, register const guchar *cp,
+ register guint length, char_enc encoding, gint format)
+{
+ register unsigned int ad, i, j, k, l;
+ guchar c;
+ guchar line[MAX_LINE_LEN + 1];
+ unsigned int use_digits;
+ static guchar binhex[16] = {
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
+
+ print_line(fh, 0, format, "");
+
+ /*
+ * How many of the leading digits of the offset will we supply?
+ * We always supply at least 4 digits, but if the maximum offset
+ * won't fit in 4 digits, we use as many digits as will be needed.
+ */
+ if (((length - 1) & 0xF0000000) != 0)
+ use_digits = 8; /* need all 8 digits */
+ else if (((length - 1) & 0x0F000000) != 0)
+ use_digits = 7; /* need 7 digits */
+ else if (((length - 1) & 0x00F00000) != 0)
+ use_digits = 6; /* need 6 digits */
+ else if (((length - 1) & 0x000F0000) != 0)
+ use_digits = 5; /* need 5 digits */
+ else
+ use_digits = 4; /* we'll supply 4 digits */
+
+ ad = 0;
+ i = 0;
+ j = 0;
+ k = 0;
+ while (i < length) {
+ if ((i & 15) == 0) {
+ /*
+ * Start of a new line.
+ */
+ j = 0;
+ k = 0;
+ l = use_digits;
+ do {
+ l--;
+ c = (ad >> (l*4)) & 0xF;
+ line[j++] = binhex[c];
+ } while (l != 0);
+ line[j++] = ' ';
+ line[j++] = ' ';
+ memset(line+j, ' ', DATA_DUMP_LEN);
+
+ /*
+ * Offset in line of ASCII dump.
+ */
+ k = j + HEX_DUMP_LEN + 2;
+ }
+ c = *cp++;
+ line[j++] = binhex[c>>4];
+ line[j++] = binhex[c&0xf];
+ j++;
+ if (encoding == CHAR_EBCDIC) {
+ c = EBCDIC_to_ASCII1(c);
+ }
+ line[k++] = c >= ' ' && c < 0x7f ? c : '.';
+ i++;
+ if ((i & 15) == 0 || i == length) {
+ /*
+ * We'll be starting a new line, or
+ * we're finished printing this buffer;
+ * dump out the line we've constructed,
+ * and advance the offset.
+ */
+ line[k] = '\0';
+ print_line(fh, 0, format, line);
+ ad += 16;
+ }
}
}
}
}
-static
-void dumpit_ps (FILE *fh, register const u_char *cp, register u_int length)
+void print_preamble(FILE *fh, gint format)
{
- register int ad, i, j, k;
- u_char c;
- u_char line[60];
- static u_char binhex[16] = {
- '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
- u_char psline[MAX_LINE_LENGTH];
-
- memset (line, ' ', sizeof line);
- line[sizeof (line)-1] = 0;
- for (ad=i=j=k=0; i<length; i++) {
- c = *cp++;
- line[j++] = binhex[c>>4];
- line[j++] = binhex[c&0xf];
- if (i&1) j++;
- line[42+k++] = c >= ' ' && c < 0x7f ? c : '.';
- if ((i & 15) == 15) {
- ps_clean_string(psline, line, MAX_LINE_LENGTH);
- fprintf (fh, "(%4x %s) hexdump\n", ad, psline);
- memset (line, ' ', sizeof line);
- line[sizeof (line)-1] = j = k = 0;
- ad += 16;
- }
- }
-
- if (line[0] != ' ') {
- ps_clean_string(psline, line, MAX_LINE_LENGTH);
- fprintf (fh, "(%4x %s) hexdump\n", ad, psline);
+ if (format == PR_FMT_PS)
+ print_ps_preamble(fh);
+}
+
+void print_finale(FILE *fh, gint format)
+{
+ if (format == PR_FMT_PS)
+ print_ps_finale(fh);
+}
+
+void print_line(FILE *fh, int indent, gint format, char *line)
+{
+ char space[MAX_INDENT+1];
+ int i;
+ int num_spaces;
+ char psbuffer[MAX_PS_LINE_LENGTH]; /* static sized buffer! */
+
+ if (format == PR_FMT_PS) {
+ ps_clean_string(psbuffer, line, MAX_PS_LINE_LENGTH);
+ fprintf(fh, "%d (%s) putline\n", indent, psbuffer);
+ } else {
+ /* Prepare the tabs for printing, depending on tree level */
+ num_spaces = indent * 4;
+ if (num_spaces > MAX_INDENT) {
+ num_spaces = MAX_INDENT;
+ }
+ for (i = 0; i < num_spaces; i++) {
+ space[i] = ' ';
}
- return;
+ /* The string is NUL-terminated */
+ space[num_spaces] = '\0';
+ fputs(space, fh);
+ fputs(line, fh);
+ putc('\n', fh);
+ }
}