Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/Wstringop-overflow-19.c @ 145:1830386684a0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
145
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
1 /* PR middle-end/92014 - bogus warning: writing 8 bytes into a region
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
2 of size 1 in timezone/zic.c
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
3 { dg-do compile }
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
4 { dg-options "-O2 -Wall" } */
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
5
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
6 struct
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
7 {
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
8 char *s1, *s2;
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
9 char c;
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
10 } z;
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
11
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
12
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
13 void f (char **a, int i, int j)
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
14 {
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
15 char * cp = __builtin_strchr (a[i], '%');
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
16
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
17 if (cp && *++cp != 's')
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
18 return;
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
19
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
20 z.s1 = __builtin_strdup (a[i]);
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
21 if (!z.s1) __builtin_abort ();
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
22
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
23 z.s2 = __builtin_strdup (a[j]);
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
24 if (!z.s2) __builtin_abort ();
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
25
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
26 z.c = cp ? *cp : '\0'; // { dg-bogus "\\\[-Wstringop-overflow" }
1830386684a0 gcc-9.2.0
anatofuz
parents:
diff changeset
27 }