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Add test for a musl libc memmem bug

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With a short needle (aka little) musl's memmem could read past the end
of the haystack (aka big). This was fixed in musl commit c718f9f.

Reviewed by:	ed
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D8137
This commit is contained in:
Ed Maste 2016-10-06 20:27:40 +00:00
parent bbf9a45630
commit fbf2d5a99b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=306784
1 changed files with 3 additions and 0 deletions
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3
contrib/netbsd-tests/lib/libc/string/t_memmem.c
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@ -51,6 +51,8 @@ char p6[] = "9";
int lp6 = 1;
char p7[] = "654";
int lp7 = 3;
char p8[] = "89abc";
int lp8 = 5;
char b0[] = "";
int lb0 = 0;
@ -94,6 +96,7 @@ ATF_TC_BODY(memmem_basic, tc)
expect(memmem(b2, lb2, p4, lp4) == NULL);
expect(memmem(b2, lb2, p7, lp7) == NULL);
expect(memmem(b2, lb2, p8, lp8) == NULL);
}
ATF_TP_ADD_TCS(tp)