memory leak

Author: sfeam

ChangeLog

@@ -7,6 +7,8 @@
 	reopened.  So we fix the ordering of code in cairotrm_init that
 	frees the old plot.cr before reinitializing a new one.
 
+	* src/parse.c (parse_array_assignment):  Memory leak.
+
 2017-09-18  Ethan A Merritt  <[email protected]>
 
 	* src/datafile.c (f_columnhead df_set_key_title) src/datafile.h

demo/boxclusters.dem

@@ -8,7 +8,7 @@
 # This could, for example, depend on data from other columns in the input.
 #
 
-set title "Clustered bar graph with individual colors\nspecified vis plotstyle 'boxes'"
+set title "Clustered bar graph with individual colors\nspecified via plotstyle 'boxes'"
 set title  boxed offset 0,-3 font ",15"
 set style fill solid border lt -1
 set style textbox opaque noborder
@@ -37,4 +37,4 @@ plot for [i=0:3] 'candlesticks.dat' \
      using (xcoord(i)):(column(i+2)):(color(i)) with boxes lc palette z
 
 pause -1 "<cr> to continue"
-reset
+reset

src/parse.c

@@ -1,5 +1,5 @@
 #ifndef lint
-static char *RCSid() { return RCSid("$Id: parse.c,v 1.117 2017-09-18 22:24:03 sfeam Exp $"); }
+static char *RCSid() { return RCSid("$Id: parse.c,v 1.118 2017-09-20 01:40:44 sfeam Exp $"); }
 #endif
 
 /* GNUPLOT - parse.c */
@@ -509,6 +509,8 @@ parse_array_assignment_expression()
 
 	/* Quick check for the most common false positives */
 	/* i.e. other constructs that begin with "name["   */
+	if (equals(c_token,"sum") && equals(c_token+3, "="))
+	    return 0;
 	if (equals(c_token+3, ":"))
 	    return 0;
 	if (equals(c_token+3, "]") && !equals(c_token+4, "="))
@@ -528,7 +530,8 @@ parse_array_assignment_expression()
 	c_token += 2;
 	parse_expression();
 
-	/* If this wasn't really an array element assignment, back out */
+	/* If this wasn't really an array element assignment, back out. */
+	/* NB: Depending on what we just parsed, this may leak memory.  */
 	if (!equals(c_token, "]") || !equals(c_token+1, "=")) {
 	    c_token = save_token;
 	    at->a_count = save_action;