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sh: Increase default history size to POSIX mandated minimum of 128

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The default history size in bin/sh is currently 100 however POSIX.1-2024
mandates that a default greater than or equal to 128 shall be used,
therefore this increases the default history size in /bin/sh to 128.

POSIX standards reference:
https://pubs.opengroup.org/onlinepubs/9799919799/utilities/sh.html#tag_20_110_08

MFC after:	3 days
Reviewed by:	emaste, jilles, jlduran, ziaee
Signed-off-by:	Kristofer Peterson <[email protected]>
Closes:		https://github.com/freebsd/freebsd-src/pull/2093
This commit is contained in:
Kristofer Peterson authored and Alexander Ziaee committed 2026-04-13 19:06:41 -04:00
1 parent a3c457398f
commit 81b2055c49
1 file changed
+1 -1
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bin/sh/histedit.c
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@@ -233,7 +233,7 @@ sethistsize(const char *hs)
if (hist != NULL) {
if (hs == NULL || !is_number(hs))
histsize = 100;
histsize = 128;
else
histsize = atoi(hs);
history(hist, &he, H_SETSIZE, histsize);