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glibc
glibc-rh641128.patch
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File glibc-rh641128.patch of Package glibc
2010-10-06 Ulrich Drepper <drepper@gmail.com> * string/bug-strstr1.c: New file. * string/Makefile: Add rules to build and run bug-strstr1. 2010-10-05 Eric Blake <eblake@redhat.com> [BZ #12092] * string/str-two-way.h (two_way_long_needle): Always clear memory when skipping input due to the shift table. Index: glibc-2.12-2-gc4ccff1/string/Makefile =================================================================== --- glibc-2.12-2-gc4ccff1.orig/string/Makefile +++ glibc-2.12-2-gc4ccff1/string/Makefile @@ -54,7 +54,8 @@ tests := tester inl-tester noinl-tester bug-strncat1 bug-strspn1 bug-strpbrk1 tst-bswap \ tst-strtok tst-strxfrm bug-strcoll1 tst-strfry \ bug-strtok1 $(addprefix test-,$(strop-tests)) \ - bug-envz1 tst-strxfrm2 tst-endian tst-svc2 + bug-envz1 tst-strxfrm2 tst-endian tst-svc2 \ + bug-strstr1 distribute := memcopy.h pagecopy.h tst-svc.expect test-string.h \ str-two-way.h @@ -73,6 +74,7 @@ CFLAGS-tst-strlen.c = -fno-builtin CFLAGS-stratcliff.c = -fno-builtin CFLAGS-test-ffs.c = -fno-builtin CFLAGS-tst-inlcall.c = -fno-builtin +CFLAGS-bug-strstr1.c = -fno-builtin ifeq ($(cross-compiling),no) tests: $(objpfx)tst-svc.out Index: glibc-2.12-2-gc4ccff1/string/bug-strstr1.c =================================================================== --- /dev/null +++ glibc-2.12-2-gc4ccff1/string/bug-strstr1.c @@ -0,0 +1,26 @@ +#include <stdio.h> +#include <string.h> + +int main (int argc, char** argv) +{ + const char haystack[] = + "F_BD_CE_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_C3_88_20_EF_BF_BD_EF_BF_BD_EF_BF_BD_C3_A7_20_EF_BF_BD"; + + const char needle[] = + "_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD"; + + const char* sub = strstr (haystack, needle); + + if (sub != NULL) + { + int j; + + fprintf (stderr, "BUG: expected NULL, got:\n%s\n%s\n", sub, needle); + for (j = 0; needle[j] != '\0'; ++j) + putchar (needle[j] == sub[j] ? ' ' : '^'); + puts (""); + return 1; + } + + return 0; +} Index: glibc-2.12-2-gc4ccff1/string/str-two-way.h =================================================================== --- glibc-2.12-2-gc4ccff1.orig/string/str-two-way.h +++ glibc-2.12-2-gc4ccff1/string/str-two-way.h @@ -350,8 +350,8 @@ two_way_long_needle (const unsigned char a byte out of place, there can be no match until after the mismatch. */ shift = needle_len - period; - memory = 0; } + memory = 0; j += shift; continue; }
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