Plan 9 from Bell Labs’s /usr/web/sources/patch/applied/needsrcquote/needsrcquote.c

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


#include <u.h>
#include <libc.h>

int
needsrcquote(int c)
{
	if(c <= ' ')
		return 1;
	if(c < 0x80 && strchr("`^#*[]=|\\?${}()'<>&;", c))
		return 1;
	return 0;
}

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