~nloomans/ft_select

prevent link breakage in README

The old cdn urls usually get taken down when the subject is updated.
quit when pressing escape

Reference:

If the user presses esc key, the program musn’t send anything to the
shell and it has to exit properly.
fix abstract art being displayed after render error message

This bug can be reproduced by first making the screen big enough to
display options and then making it smaller to display an error. The text
after the error message isn't cleared. This regression has been
introduced in 58e0f76 ("fix render norm").
move to next item after selecting

Reference:

One or more choices can be selected or un-selected with the the space
key. With each selection, the cursor must automatically position itself
on the next element.
add normify script
fix build on linux

The SIGSYS signal has a higher index on Linux:

../src/handle.c:62:3: error: array index in initializer exceeds array bounds
   62 |  [SIGSYS] = { .handler = handle_exit_signal },
      |   ^~~~~~
../src/handle.c:62:3: note: (near initialization for ‘g_handle_signal_map’)

Also setting --std=c99 unfortunately disallowed the usage of
sys_siglist.
fix all easy norm errors
make handle_suspend more cross-platform

The suspend signal technically doesn't need to be fired using CTRL+Z.
It could be bound to any key. Use tcgetattr to find the right key.
improve error messages
always leave terminal in a clean state after receiving signal.

Reference:

Whichever way your program ends, the default configuration of your
terminal MUST be restored.  This is true even after it received a signal
(except for the signals that we cannot intercept, but this would mean
that your program does not work).
handle CTRL+Z and fg

Reference:

We must be able to interrupt your program with ctrl + z and restore it
with fg without seeing any changes in its behavior.
add README and LICENSE
rewrite the linked list implementation

The new linked list implementation has been inspired by the list.h from
the Linux kernel.
display message when terminal is too small to display all options
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