compile error

[ruanyubiao]

master branch compilation error.

modbus.c: In function ‘read_io_status’:
modbus.c:1202:9: error: ‘for’ loop initial declarations are only allowed in C99 or C11 mode
for (unsigned int i = offset; i < offset_end; i++) {
^
modbus.c:1202:9: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 t o compile your code
make[2]: *** [Makefile:484: modbus.lo] Error 1
make[1]: *** [Makefile:498: all-recursive] Error 1
make: *** [Makefile:384: all] Error 2

[karlp]

time for you to update your compiler to one that defaults to c99.... :)

[stephane]

I'm agree with @karlp however that's the only place where a loop initial declaration is used so I edited this line.