chore: remove usage of sprintf (#1453)

carp-lang · Jan 31, 2023 · ca5774b · ca5774b
1 parent 7ab466e
commit ca5774b
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/core/carp_pattern.h b/core/carp_pattern.h
@@ -568,13 +568,13 @@ Array Pattern_match_MINUS_all_MINUS_groups(Pattern *p, String *s) {
 String Pattern_internal_add_char(String a, Char b) {
  if (!a) {
  String buffer = CARP_MALLOC(2);
- sprintf(buffer, "%c", b);
+ snprintf(buffer, 1, "%c", b);
  return buffer;
  }
 
  int len = strlen(a) + 2;
  String buffer = CARP_MALLOC(len);
- sprintf(buffer, "%s%c", a, b);
+ snprintf(buffer, len-1, "%s%c", a, b);
  CARP_FREE(a);
  return buffer;
 }
@@ -645,7 +645,7 @@ String Pattern_substitute(Pattern *p, String *s, String *t, int ns) {
 
  int l = strlen(res) + strlen(str) + 1;
  String buffer = CARP_MALLOC(l);
- sprintf(buffer, "%s%s", res, str);
+ snprintf(buffer, l-1, "%s%s", res, str);
  CARP_FREE(res);
  return buffer;
 }
@@ -671,7 +671,7 @@ String Pattern_str(Pattern *p) {
 String Pattern_prn(Pattern *p) {
  int n = strlen(*p) + 4;
  String buffer = CARP_MALLOC(n);
- sprintf(buffer, "#\"%s\"", *p);
+ snprintf(buffer, n-1, "#\"%s\"", *p);
  return buffer;
 }