const char *str_escape(const char *str)
{
const char *p;
string_t *ret;
/* see if we need to quote it */
for (p = str; *p != '\0'; p++) {
if (IS_ESCAPED_CHAR(*p))
break;
}
if (*p == '\0')
return str;
/* quote */
ret = t_str_new((size_t) (p - str) + 128);
str_append_n(ret, str, (size_t) (p - str));
for (; *p != '\0'; p++) {
if (IS_ESCAPED_CHAR(*p))
str_append_c(ret, '\\');
str_append_c(ret, *p);
}
return str_c(ret);
}
char *ezcfg_util_javascript_var_escaped(const char *src)
{
int len;
char *dst;
char *p;
if (src == NULL) {
return NULL;
}
len = var_escaped_length(src);
if (len < 1) {
return NULL;
}
dst = malloc(len);
if (dst == NULL) {
return NULL;
}
p = dst;
while(*src != '\0') {
if (IS_ESCAPED_CHAR(*src)) {
*p = '\\';
p++;
}
*p++ = *src++;
}
/* 0-terminated string */
*p = '\0';
return dst;
}
static int var_escaped_length(const char *s)
{
int len;
len = 0;
while(*s != '\0') {
if (IS_ESCAPED_CHAR(*s)) len++;
s++;
len++;
}
/* one more for '\0' */
len++;
return len;
}
