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-rw-r--r--aoview/aoview.h2
-rw-r--r--aoview/aoview_monitor.c7
2 files changed, 7 insertions, 2 deletions
diff --git a/aoview/aoview.h b/aoview/aoview.h
index 7807b2fa..5c118a11 100644
--- a/aoview/aoview.h
+++ b/aoview/aoview.h
@@ -124,7 +124,7 @@ gboolean
aoview_monitor_connect(char *tty);
gboolean
-aoview_monitor_parse(char *line);
+aoview_monitor_parse(const char *line);
void
aoview_monitor_reset(void);
diff --git a/aoview/aoview_monitor.c b/aoview/aoview_monitor.c
index f7f646ae..5810be5b 100644
--- a/aoview/aoview_monitor.c
+++ b/aoview/aoview_monitor.c
@@ -68,12 +68,17 @@ aoview_parse_pos(double *target, char *source)
static struct aostate state;
gboolean
-aoview_monitor_parse(char *line)
+aoview_monitor_parse(const char *input_line)
{
char *saveptr;
char *words[64];
int nword;
+ char line_buf[8192], *line;
+ /* avoid smashing our input parameter */
+ strncpy (line_buf, input_line, sizeof (line_buf)-1);
+ line_buf[sizeof(line_buf) - 1] = '\0';
+ line = line_buf;
for (nword = 0; nword < 64; nword++) {
words[nword] = strtok_r(line, " \t\n", &saveptr);
line = NULL;