Function escape_string_value

util/kconfig/confdata.c:662–702

The returned pointer must be freed on the caller side */

/* The returned pointer must be freed on the caller side */
static char *escape_string_value(const char *in)
{
	const char *p;
	char *out;
	size_t len;

	len = strlen(in) + strlen("\"\"") + 1;

	p = in;
	while (1) {
		p += strcspn(p, "\"\\");

		if (p[0] == '\0')
			break;

		len++;
		p++;
	}

	out = xmalloc(len);
	out[0] = '\0';

	strcat(out, "\"");

	p = in;
	while (1) {
		len = strcspn(p, "\"\\");
		strncat(out, p, len);
		p += len;

		if (p[0] == '\0')
			break;

		strcat(out, "\\");
		strncat(out, p++, 1);
	}

	strcat(out, "\"");

	return out;
}

enum output_n { OUTPUT_N, OUTPUT_N_AS_UNSET, OUTPUT_N_NONE };