redo r2216 change in a different way to avoid regressions

src/editprop.c

@@ -1263,6 +1263,54 @@ void change_elem_order(void)
   }
 }
 
+/* You must free the result if result is non-NULL. */
+char *str_replace(char *orig, char *rep, char *with)
+{
+    char *result; /* the return string */
+    char *ins;    /* the next insert point */
+    char *tmp;    /* varies */
+    size_t len_rep;  /* length of rep (the string to remove) */
+    size_t len_with; /* length of with (the string to replace rep with) */
+    size_t len_front; /* distance between rep and end of last rep */
+    int count;    /* number of replacements */
+
+    /* sanity checks and initialization */
+    if (!orig || !rep)
+        return NULL;
+    len_rep = strlen(rep);
+    if (len_rep == 0)
+        return NULL; /* empty rep causes infinite loop during count */
+    if (!with)
+        with = "";
+    len_with = strlen(with);
+
+    /* count the number of replacements needed */
+    ins = orig;
+    for (count = 0; (tmp = strstr(ins, rep)); ++count) {
+        ins = tmp + len_rep;
+    }
+
+    tmp = result = my_malloc(1244, strlen(orig) + (len_with - len_rep) * count + 1);
+
+    if (!result)
+        return NULL;
+
+    /* first time through the loop, all the variable are set correctly */
+    /* from here on, */
+    /*    tmp points to the end of the result string */
+    /*    ins points to the next occurrence of rep in orig */
+    /*    orig points to the remainder of orig after "end of rep" */
+    while (count--) {
+        ins = strstr(orig, rep);
+        len_front = ins - orig;
+        tmp = strncpy(tmp, orig, len_front) + len_front;
+        tmp = strcpy(tmp, with) + len_with;
+        orig += len_front + len_rep; /* move to next "end of rep" */
+    }
+    strcpy(tmp, orig);
+    return result;
+}
+
 /* x=0 use tcl text widget  x=1 use vim editor  x=2 only view data */
 void edit_property(int x)
 {

src/token.c

@@ -123,14 +123,17 @@ const char *tcl_hook2(char **res)
 {
   static char *result = NULL;
   static const char *empty="";
+  char *unescaped_res;
 
   if(res == NULL || *res == NULL) {
     my_free(1285, &result);
     return empty;
   }
   if(strstr(*res, "tcleval(") == *res) {
-    tclvareval("tclpropeval2 {", *res, "}" , NULL);
+    unescaped_res = str_replace(*res, "\\}", "}");
+    tclvareval("tclpropeval2 {", unescaped_res, "}" , NULL);
     my_strdup2(1286, &result, tclresult());
+    my_free(1245, &unescaped_res);
     return result;
   } else {
     return *res;
@@ -508,12 +511,14 @@ const char *get_sym_template(char *s,char *extra)
 /* 2: eat backslashes */
 /* 3: 1+2  :) */
 
+ dbg(1, "get_sym_template(): s=%s, extra=%s\n", s, extra);
  if(s==NULL) {
    my_free(978, &result);
    return "";
  }
  l = strlen(s);
  STR_ALLOC(&result, l+1, &sizeres);
+ result[0] = '\0';
  sizetok = sizeval = CADCHUNKALLOC;
  my_realloc(438, &value,sizeval);
  my_realloc(439, &token,sizetok);
@@ -1610,14 +1615,17 @@ void print_spice_subckt(FILE *fd, int symbol)
  int i=0, multip;
  const char *str_ptr=NULL;
  register int c, state=TOK_BEGIN, space;
- char *format=NULL,*s, *token=NULL;
+ char *format=NULL, *format1 = NULL, *s, *token=NULL;
  int pin_number;
  size_t sizetok=0;
  size_t token_pos=0;
  int escape=0;
  int no_of_pins=0;
 
- my_strdup(103, &format, get_tok_value(xctx->sym[symbol].prop_ptr,"format",2));
+ my_strdup(103, &format1, get_tok_value(xctx->sym[symbol].prop_ptr,"format",2));
+ dbg(1, "print_spice_subckt(): format1=%s\n", format1);
+ my_strdup(455, &format,  tcl_hook2(&format1));
+ dbg(1, "print_spice_subckt(): format=%s\n", format);
  if( format==NULL ) {
    my_free(1012, &format);
    return; /* no format */
@@ -1712,6 +1720,7 @@ void print_spice_subckt(FILE *fd, int symbol)
    break ;
   }
  }
+ my_free(1072, &format1);
  my_free(1013, &format);
  my_free(1014, &token);
 }
@@ -1724,7 +1733,7 @@ int print_spice_element(FILE *fd, int inst)
   register int c, state=TOK_BEGIN, space;
   char *template=NULL,*format=NULL,*s, *name=NULL,  *token=NULL;
   const char *lab, *value = NULL;
-  char *translatedvalue = NULL;
+  /* char *translatedvalue = NULL; */
   int pin_number;
   size_t sizetok=0;
   size_t token_pos=0;
@@ -2012,14 +2021,14 @@ int print_spice_element(FILE *fd, int inst)
   #endif
 
 
-  fprintf(fd, "%s", result);
+  if(result) fprintf(fd, "%s", result);
   my_free(1019, &template);
   my_free(1020, &format);
   my_free(1021, &name);
   my_free(1022, &token);
   my_free(1194, &result);
   my_free(298, &spiceprefixtag);
-  my_free(455, &translatedvalue);
+  /* my_free(455, &translatedvalue); */
   return 1;
 }
 

src/xschem.h

@@ -1374,6 +1374,7 @@ extern void hilight_parent_pins(void);
 extern void hilight_net_pin_mismatches(void);
 extern Node_hashentry **get_node_table_ptr(void);
 extern void change_elem_order(void);
+extern char *str_replace(char *orig, char *rep, char *with);
 extern int set_different_token(char **s,const char *new, const char *old, int object, int n);
 extern void print_hilight_net(int show);
 extern void list_hilights(void);