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Fix return code handling issue #1

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Fix return code handling issue #1

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ghost
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@ghost ghost commented Nov 28, 2015

The return code for a not found command is 32512 for me. Any return code other than 0 or 1 likely indicates an error.

Fixes the program not falling back to "xmessage" when "gxmessage" isn't available.

The return code for a not found command is 32512 for me. Any return code other than 0 or 1 likely indicates an error.

Fixes the program not falling back to "xmessage" when "gxmessage" isn't available.
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kcat commented Nov 28, 2015

The return code for a not found command is 32512 for me.

Ah, because if it's not -1 (for "If a child process could not be created, or its status could not be retrieved"), the other results need to use WIFEXITED(), WEXITSTATUS(), and such (and 32512 == 0x7f00, with #define __WEXITSTATUS(status) (((status) & 0xff00) >> 8).

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