Function compat_getline

util/kconfig/confdata.c:334–366

}

static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream)
{
	char *line = *lineptr;
	size_t slen = 0;

	for (;;) {
		int c = getc(stream);

		switch (c) {
		case '\n':
			if (add_byte(c, &line, slen, n) < 0)
				goto e_out;
			slen++;
			/* fall through */
		case EOF:
			if (add_byte('\0', &line, slen, n) < 0)
				goto e_out;
			*lineptr = line;
			if (slen == 0)
				return -1;
			return slen;
		default:
			if (add_byte(c, &line, slen, n) < 0)
				goto e_out;
			slen++;
		}
	}

e_out:
	line[slen-1] = '\0';
	*lineptr = line;
	return -1;
}

/* like getline(), but the newline character is stripped away */
static ssize_t getline_stripped(char **lineptr, size_t *n, FILE *stream)