2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "vikwaypoint.h"
29 VikWaypoint
*vik_waypoint_new()
31 VikWaypoint
*wp
= g_malloc ( sizeof ( VikWaypoint
) );
38 void vik_waypoint_set_comment_no_copy(VikWaypoint
*wp
, gchar
*comment
)
41 g_free ( wp
->comment
);
42 wp
->comment
= comment
;
45 void vik_waypoint_set_comment(VikWaypoint
*wp
, const gchar
*comment
)
48 g_free ( wp
->comment
);
50 if ( comment
&& comment
[0] != '\0' )
51 wp
->comment
= g_strdup(comment
);
56 void vik_waypoint_set_image(VikWaypoint
*wp
, const gchar
*image
)
61 if ( image
&& image
[0] != '\0' )
62 wp
->image
= g_strdup(image
);
67 void vik_waypoint_set_symbol(VikWaypoint
*wp
, const gchar
*symname
)
70 g_free ( wp
->symbol
);
72 if ( symname
&& symname
[0] != '\0' )
73 wp
->symbol
= g_strdup(symname
);
78 void vik_waypoint_free(VikWaypoint
*wp
)
81 g_free ( wp
->comment
);
85 g_free ( wp
->symbol
);
89 VikWaypoint
*vik_waypoint_copy(const VikWaypoint
*wp
)
91 VikWaypoint
*new_wp
= vik_waypoint_new();
93 new_wp
->comment
= NULL
; /* if the waypoint had a comment, FOR CRYING OUT LOUD DON'T FREE IT! This lousy bug took me TWO HOURS to figure out... sigh... */
94 vik_waypoint_set_comment(new_wp
,wp
->comment
);
96 vik_waypoint_set_image(new_wp
,wp
->image
);
97 new_wp
->symbol
= NULL
;
98 vik_waypoint_set_symbol(new_wp
,wp
->symbol
);
102 void vik_waypoint_marshall ( VikWaypoint
*wp
, guint8
**data
, guint
*datalen
)
104 GByteArray
*b
= g_byte_array_new();
107 g_byte_array_append(b
, (guint8
*)wp
, sizeof(*wp
));
109 #define vwm_append(s) \
110 len = (s) ? strlen(s)+1 : 0; \
111 g_byte_array_append(b, (guint8 *)&len, sizeof(len)); \
112 if (s) g_byte_array_append(b, (guint8 *)s, len);
114 vwm_append(wp
->comment
);
115 vwm_append(wp
->image
);
116 vwm_append(wp
->symbol
);
120 g_byte_array_free(b
, FALSE
);
124 VikWaypoint
*vik_waypoint_unmarshall (guint8
*data
, guint datalen
)
127 VikWaypoint
*new_wp
= vik_waypoint_new();
128 memcpy(new_wp
, data
, sizeof(*new_wp
));
129 data
+= sizeof(*new_wp
);
132 len = *(guint *)data; \
133 data += sizeof(len); \
135 (s) = g_strdup((gchar *)data); \
141 vwu_get(new_wp
->comment
);
142 vwu_get(new_wp
->image
);
143 vwu_get(new_wp
->symbol
);