19 static char *content;  variable
70 	if (!content || content_size == 0)  in test_read()
79 	memcpy(buf, content + offset, size);  in test_read()
98 		content = realloc(content, new_size);  in test_write()
102 	if (!content)  in test_write()
105 	memcpy(content + offset, buf, size);  in test_write()
116 		free(content);  in test_truncate()
117 		content = NULL;  in test_truncate()
122 	content = realloc(content, size);  in test_truncate()
124 	if (!content)  in test_truncate()
128 		memset(content + content_size, 0, size - content_size);  in test_truncate()