https://sourceware.org/bugzilla/show_bug.cgi?id=32018
--- Comment #10 from bigmagicreadsun <bigmagicreadsun at gmail dot com> ---
(In reply to Vladimir Mezentsev from comment #9)
> If there is a similar problem on CentOS 7,
> could you please attach this output:
> % grep -n -s -w strchr /usr/include/*/*
>
> It looks like strchr is redefined as a macro.
CentOS 7
grep -n -s -w strchr /usr/include/*/*
/usr/include/bits/string.h:1048: : (*(char *)__mempcpy
(strchr (__dest, '\0'), \
/usr/include/bits/string.h:1257:# define strchr(s, c) \
/usr/include/bits/string.h:1749: ? strchr ((s),
(accept)[0]) \
/usr/include/bits/string.h:1856: ? strchr ((haystack),
(needle)[0]) \
/usr/include/bits/string2.h:395:# define strchr(s, c) \
/usr/include/bits/string2.h:401:# define strchr(s, c) \
/usr/include/bits/string2.h:404: : strchr (s, c)))
/usr/include/bits/string2.h:780: : (*((char *) __mempcpy
(strchr (__dest, '\0'), \
/usr/include/bits/string2.h:1110: ? strchr (s, __a0)
\
/usr/include/bits/string2.h:1153: ? strchr (haystack,
\
/usr/include/bits/string2.h:1225: if (__retval != NULL && (*__s = strchr
(__retval, __reject)) != NULL)
cat -n /usr/include/bits/string2.h | sed -n "390,410 p"
390
391 /* Return pointer to C in S. */
392 #ifndef _HAVE_STRING_ARCH_strchr
393 extern void *__rawmemchr (const void *__s, int __c);
394 # if __GNUC_PREREQ (3, 2)
395 # define strchr(s, c) \
396 (__extension__ (__builtin_constant_p (c) && !__builtin_constant_p (s)
\
397 && (c) == '\0'
\
398 ? (char *) __rawmemchr (s, c)
\
399 : __builtin_strchr (s, c)))
400 # else
401 # define strchr(s, c) \
402 (__extension__ (__builtin_constant_p (c) && (c) == '\0'
\
403 ? (char *) __rawmemchr (s, c)
\
404 : strchr (s, c)))
405 # endif
406 #endif
407
408
409 /* Copy SRC to DEST. */
410 #if (!defined _HAVE_STRING_ARCH_strcpy && !__GNUC_PREREQ (3, 0)) \
cat -n /usr/include/bits/string.h | sed -n "1250,1270 p"
1250 return __res;
1251 }
1252
1253
1254 /* Find the first occurrence of C in S. */
1255 # define _HAVE_STRING_ARCH_strchr 1
1256 # define _USE_STRING_ARCH_strchr 1
1257 # define strchr(s, c) \
1258 (__extension__ (__builtin_constant_p (c)
\
1259 ? ((c) == '\0'
\
1260 ? (char *) __rawmemchr ((s), (c))
\
1261 : __strchr_c ((s), ((c) & 0xff) << 8))
\
1262 : __strchr_g ((s), (c))))
1263
1264 __STRING_INLINE char *__strchr_c (const char *__s, int __c);
1265
1266 __STRING_INLINE char *
1267 __strchr_c (const char *__s, int __c)
1268 {
1269 register unsigned long int __d0;
1270 register char *__res;
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