}
char *strreplace(const char *text, const char *old_string, const char *new_string) {
+ size_t l, old_len, new_len, allocated = 0;
+ char *t, *ret = NULL;
const char *f;
- char *t, *r;
- size_t l, old_len, new_len;
- assert(text);
assert(old_string);
assert(new_string);
+ if (!text)
+ return NULL;
+
old_len = strlen(old_string);
new_len = strlen(new_string);
l = strlen(text);
- r = new(char, l+1);
- if (!r)
+ if (!GREEDY_REALLOC(ret, allocated, l+1))
return NULL;
f = text;
- t = r;
+ t = ret;
while (*f) {
- char *a;
size_t d, nl;
if (!startswith(f, old_string)) {
continue;
}
- d = t - r;
+ d = t - ret;
nl = l - old_len + new_len;
- a = realloc(r, nl + 1);
- if (!a)
- goto oom;
+
+ if (!GREEDY_REALLOC(ret, allocated, nl + 1))
+ return mfree(ret);
l = nl;
- r = a;
- t = r + d;
+ t = ret + d;
t = stpcpy(t, new_string);
f += old_len;
}
*t = 0;
- return r;
-
-oom:
- return mfree(r);
+ return ret;
}
char *strip_tab_ansi(char **ibuf, size_t *_isz) {