common emit_begin_edge: fix unchecked allocation failures

diff --git a/lib/common/emit.c b/lib/common/emit.c
index cfee1b4000d0d003df81ae92d73fdb2e39e5d7c7..d03b54940c3a65c98f90f62fd56f7dc920d24ca6 100644 (file)
--- a/lib/common/emit.c
+++ b/lib/common/emit.c
@@ -2556,23 +2556,23 @@ static void emit_begin_edge(GVJ_t * job, edge_t * e, char** styles)
        if (((s = agget(e, "edgehref")) && s[0]) || ((s = agget(e, "edgeURL")) && s[0]))
             obj->url = strdup_and_subst_obj(s, e);
        else if (dflt_url)
-           obj->url = strdup(dflt_url);
+           obj->url = gv_strdup(dflt_url);
        if (((s = agget(e, "labelhref")) && s[0]) || ((s = agget(e, "labelURL")) && s[0]))
             obj->labelurl = strdup_and_subst_obj(s, e);
        else if (dflt_url)
-           obj->labelurl = strdup(dflt_url);
+           obj->labelurl = gv_strdup(dflt_url);
        if (((s = agget(e, "tailhref")) && s[0]) || ((s = agget(e, "tailURL")) && s[0])) {
             obj->tailurl = strdup_and_subst_obj(s, e);
             obj->explicit_tailurl = true;
        }
        else if (dflt_url)
-           obj->tailurl = strdup(dflt_url);
+           obj->tailurl = gv_strdup(dflt_url);
        if (((s = agget(e, "headhref")) && s[0]) || ((s = agget(e, "headURL")) && s[0])) {
             obj->headurl = strdup_and_subst_obj(s, e);
             obj->explicit_headurl = true;
        }
        else if (dflt_url)
-           obj->headurl = strdup(dflt_url);
+           obj->headurl = gv_strdup(dflt_url);
     } 
 
     if (flags & GVRENDER_DOES_TARGETS) {
@@ -2583,23 +2583,23 @@ static void emit_begin_edge(GVJ_t * job, edge_t * e, char** styles)
             obj->target = strdup_and_subst_obj(s, e);
        }
        else if (dflt_target)
-           obj->target = strdup(dflt_target);
+           obj->target = gv_strdup(dflt_target);
         if ((s = agget(e, "labeltarget")) && s[0])
             obj->labeltarget = strdup_and_subst_obj(s, e);
        else if (dflt_target)
-           obj->labeltarget = strdup(dflt_target);
+           obj->labeltarget = gv_strdup(dflt_target);
         if ((s = agget(e, "tailtarget")) && s[0]) {
             obj->tailtarget = strdup_and_subst_obj(s, e);
            obj->explicit_tailtarget = true;
        }
        else if (dflt_target)
-           obj->tailtarget = strdup(dflt_target);
+           obj->tailtarget = gv_strdup(dflt_target);
         if ((s = agget(e, "headtarget")) && s[0]) {
            obj->explicit_headtarget = true;
             obj->headtarget = strdup_and_subst_obj(s, e);
        }
        else if (dflt_target)
-           obj->headtarget = strdup(dflt_target);
+           obj->headtarget = gv_strdup(dflt_target);
     } 
 
     if (flags & GVRENDER_DOES_TOOLTIPS) {
@@ -2611,7 +2611,7 @@ static void emit_begin_edge(GVJ_t * job, edge_t * e, char** styles)
            obj->explicit_tooltip = true;
        }
        else if (obj->label)
-           obj->tooltip = strdup(obj->label);
+           obj->tooltip = gv_strdup(obj->label);
 
         if ((s = agget(e, "labeltooltip")) && s[0]) {
            char* tooltip = preprocessTooltip (s, e);
@@ -2620,7 +2620,7 @@ static void emit_begin_edge(GVJ_t * job, edge_t * e, char** styles)
            obj->explicit_labeltooltip = true;
        }
        else if (obj->label)
-           obj->labeltooltip = strdup(obj->label);
+           obj->labeltooltip = gv_strdup(obj->label);
 
         if ((s = agget(e, "tailtooltip")) && s[0]) {
            char* tooltip = preprocessTooltip (s, e);
@@ -2629,7 +2629,7 @@ static void emit_begin_edge(GVJ_t * job, edge_t * e, char** styles)
            obj->explicit_tailtooltip = true;
        }
        else if (obj->taillabel)
-           obj->tailtooltip = strdup(obj->taillabel);
+           obj->tailtooltip = gv_strdup(obj->taillabel);
 
         if ((s = agget(e, "headtooltip")) && s[0]) {
            char* tooltip = preprocessTooltip (s, e);
@@ -2638,7 +2638,7 @@ static void emit_begin_edge(GVJ_t * job, edge_t * e, char** styles)
            obj->explicit_headtooltip = true;
        }
        else if (obj->headlabel)
-           obj->headtooltip = strdup(obj->headlabel);
+           obj->headtooltip = gv_strdup(obj->headlabel);
     } 
     
     free (dflt_url);