diff options
| -rw-r--r-- | stc/cstr.h | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -46,6 +46,12 @@ static cstr_t cstr_init = {(char* ) &_cstr_nullrep[2]}; #define cstr_front(s) (s).str[0]
#define cstr_back(s) (s).str[_cstr_size(s) - 1] /* may have side effect */
#define cstr_npos ((size_t) (-1))
+/* destroy multiple strings: */
+#define cstr_destr(...) do { \
+ cstr_t *__objs[] = {__VA_ARGS__}; \
+ for (size_t i=0; i<sizeof(__objs)/sizeof(__objs[0]); ++i) \
+ cstr_destroy(__objs[i]); \
+} while (0)
STC_API cstr_t
cstr_make_n(const char* str, size_t len);
@@ -276,11 +282,12 @@ cstr_append_n(cstr_t* self, const char* str, size_t len) { if (len) {
size_t oldlen = cstr_size(*self), newlen = oldlen + len;
if (newlen > cstr_capacity(*self)) {
+ /* handle self append */
size_t off = (size_t) (str - self->str);
cstr_reserve(self, newlen * 3 / 2);
if (off <= oldlen) str = self->str + off;
}
- memmove(&self->str[oldlen], str, len);
+ memcpy(&self->str[oldlen], str, len);
self->str[_cstr_size(*self) = newlen] = '\0';
}
return self;
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