-/* Copyright (C) 1999-2014 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-/* <bits/string.h> and <bits/string2.h> declare some extern inline
- functions. These functions are declared additionally here if
- inlining is not possible. */
-
-#undef __USE_STRING_INLINES
-#define __USE_STRING_INLINES
-#define _FORCE_INLINES
-#define __STRING_INLINE /* empty */
-#define __NO_INLINE__
+/* This file contains compatibility definitions of functions that were
+ formerly defined as "extern inline" in string.h; it's conceivable
+ that old binaries contain references to them. */
+#define __NO_STRING_INLINES
#include <string.h>
-#undef index
-#undef rindex
-#undef __NO_INLINE__
-#include <bits/string.h>
-#include <bits/string2.h>
+#include "shlib-compat.h"
+
+#if SHLIB_COMPAT (libc, GLIBC_2_1_1, GLIBC_2_25)
+/* These functions were removed from string.h in glibc 2.25. */
+
+char *
+__old_strtok_r_1c (char *__s, char __sep, char **__nextp)
+{
+ char *__result;
+ if (__s == NULL)
+ __s = *__nextp;
+ while (*__s == __sep)
+ ++__s;
+ __result = NULL;
+ if (*__s != '\0')
+ {
+ __result = __s++;
+ while (*__s != '\0')
+ if (*__s++ == __sep)
+ {
+ __s[-1] = '\0';
+ break;
+ }
+ }
+ *__nextp = __s;
+ return __result;
+}
+compat_symbol (libc, __old_strtok_r_1c, __strtok_r_1c, GLIBC_2_1_1);
+
+char *
+__old_strsep_1c (char **__s, char __reject)
+{
+ char *__retval = *__s;
+ if (__retval != NULL && (*__s = strchr (__retval, __reject)) != NULL)
+ *(*__s)++ = '\0';
+ return __retval;
+}
+compat_symbol (libc, __old_strsep_1c, __strsep_1c, GLIBC_2_1_1);
+
+char *
+__old_strsep_2c (char **__s, char __reject1, char __reject2)
+{
+ char *__retval = *__s;
+ if (__retval != NULL)
+ {
+ char *__cp = __retval;
+ while (1)
+ {
+ if (*__cp == '\0')
+ {
+ __cp = NULL;
+ break;
+ }
+ if (*__cp == __reject1 || *__cp == __reject2)
+ {
+ *__cp++ = '\0';
+ break;
+ }
+ ++__cp;
+ }
+ *__s = __cp;
+ }
+ return __retval;
+}
+compat_symbol (libc, __old_strsep_2c, __strsep_2c, GLIBC_2_1_1);
+
+char *
+__old_strsep_3c (char **__s, char __reject1, char __reject2, char __reject3)
+{
+ char *__retval = *__s;
+ if (__retval != NULL)
+ {
+ char *__cp = __retval;
+ while (1)
+ {
+ if (*__cp == '\0')
+ {
+ __cp = NULL;
+ break;
+ }
+ if (*__cp == __reject1 || *__cp == __reject2 || *__cp == __reject3)
+ {
+ *__cp++ = '\0';
+ break;
+ }
+ ++__cp;
+ }
+ *__s = __cp;
+ }
+ return __retval;
+}
+compat_symbol (libc, __old_strsep_3c, __strsep_3c, GLIBC_2_1_1);
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_1_1, GLIBC_2_24)
+/* These functions were removed from string.h in glibc 2.24. */
+
+size_t
+__old_strcspn_c1 (const char *__s, int __reject)
+{
+ size_t __result = 0;
+ while (__s[__result] != '\0' && __s[__result] != __reject)
+ ++__result;
+ return __result;
+}
+compat_symbol (libc, __old_strcspn_c1, __strcspn_c1, GLIBC_2_1_1);
+
+size_t
+__old_strcspn_c2 (const char *__s, int __reject1, int __reject2)
+{
+ size_t __result = 0;
+ while (__s[__result] != '\0' && __s[__result] != __reject1
+ && __s[__result] != __reject2)
+ ++__result;
+ return __result;
+}
+compat_symbol (libc, __old_strcspn_c2, __strcspn_c2, GLIBC_2_1_1);
+
+size_t
+__old_strcspn_c3 (const char *__s, int __reject1, int __reject2,
+ int __reject3)
+{
+ size_t __result = 0;
+ while (__s[__result] != '\0' && __s[__result] != __reject1
+ && __s[__result] != __reject2 && __s[__result] != __reject3)
+ ++__result;
+ return __result;
+}
+compat_symbol (libc, __old_strcspn_c3, __strcspn_c3, GLIBC_2_1_1);
+
+size_t
+__old_strspn_c1 (const char *__s, int __accept)
+{
+ size_t __result = 0;
+ /* Please note that __accept never can be '\0'. */
+ while (__s[__result] == __accept)
+ ++__result;
+ return __result;
+}
+compat_symbol (libc, __old_strspn_c1, __strspn_c1, GLIBC_2_1_1);
+
+size_t
+__old_strspn_c2 (const char *__s, int __accept1, int __accept2)
+{
+ size_t __result = 0;
+ /* Please note that __accept1 and __accept2 never can be '\0'. */
+ while (__s[__result] == __accept1 || __s[__result] == __accept2)
+ ++__result;
+ return __result;
+}
+compat_symbol (libc, __old_strspn_c2, __strspn_c2, GLIBC_2_1_1);
+
+size_t
+__old_strspn_c3 (const char *__s, int __accept1, int __accept2,
+ int __accept3)
+{
+ size_t __result = 0;
+ /* Please note that __accept1 to __accept3 never can be '\0'. */
+ while (__s[__result] == __accept1 || __s[__result] == __accept2
+ || __s[__result] == __accept3)
+ ++__result;
+ return __result;
+}
+compat_symbol (libc, __old_strspn_c3, __strspn_c3, GLIBC_2_1_1);
+
+char *
+__old_strpbrk_c2 (const char *__s, int __accept1, int __accept2)
+{
+ /* Please note that __accept1 and __accept2 never can be '\0'. */
+ while (*__s != '\0' && *__s != __accept1 && *__s != __accept2)
+ ++__s;
+ return *__s == '\0' ? NULL : (char *) (size_t) __s;
+}
+compat_symbol (libc, __old_strpbrk_c2, __strpbrk_c2, GLIBC_2_1_1);
+
+char *
+__old_strpbrk_c3 (const char *__s, int __accept1, int __accept2, int __accept3)
+{
+ /* Please note that __accept1 to __accept3 never can be '\0'. */
+ while (*__s != '\0' && *__s != __accept1 && *__s != __accept2
+ && *__s != __accept3)
+ ++__s;
+ return *__s == '\0' ? NULL : (char *) (size_t) __s;
+}
+compat_symbol (libc, __old_strpbrk_c3, __strpbrk_c3, GLIBC_2_1_1);
+
+# if defined __mc68020__ || defined __s390__ || defined __i386__
+# define _STRING_INLINE_unaligned 1
+# else
+# define _STRING_INLINE_unaligned 0
+/* These are a few types we need for the optimizations if we cannot
+ use unaligned memory accesses. */
+# define __STRING2_COPY_TYPE(N) \
+ typedef struct { unsigned char __arr[N]; } \
+ __attribute__ ((__packed__)) __STRING2_COPY_ARR##N
+__STRING2_COPY_TYPE (2);
+__STRING2_COPY_TYPE (3);
+__STRING2_COPY_TYPE (4);
+__STRING2_COPY_TYPE (5);
+__STRING2_COPY_TYPE (6);
+__STRING2_COPY_TYPE (7);
+__STRING2_COPY_TYPE (8);
+# undef __STRING2_COPY_TYPE
+# endif
+
+# if _STRING_INLINE_unaligned
+void *
+__old_mempcpy_small (void *__dest1,
+ char __src0_1, char __src2_1, char __src4_1, char __src6_1,
+ __uint16_t __src0_2, __uint16_t __src4_2,
+ __uint32_t __src0_4, __uint32_t __src4_4,
+ size_t __srclen)
+{
+ union {
+ __uint32_t __ui;
+ __uint16_t __usi;
+ unsigned char __uc;
+ unsigned char __c;
+ } *__u = __dest1;
+ switch ((unsigned int) __srclen)
+ {
+ case 1:
+ __u->__c = __src0_1;
+ __u = __extension__ ((void *) __u + 1);
+ break;
+ case 2:
+ __u->__usi = __src0_2;
+ __u = __extension__ ((void *) __u + 2);
+ break;
+ case 3:
+ __u->__usi = __src0_2;
+ __u = __extension__ ((void *) __u + 2);
+ __u->__c = __src2_1;
+ __u = __extension__ ((void *) __u + 1);
+ break;
+ case 4:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ break;
+ case 5:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__c = __src4_1;
+ __u = __extension__ ((void *) __u + 1);
+ break;
+ case 6:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__usi = __src4_2;
+ __u = __extension__ ((void *) __u + 2);
+ break;
+ case 7:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__usi = __src4_2;
+ __u = __extension__ ((void *) __u + 2);
+ __u->__c = __src6_1;
+ __u = __extension__ ((void *) __u + 1);
+ break;
+ case 8:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__ui = __src4_4;
+ __u = __extension__ ((void *) __u + 4);
+ break;
+ }
+ return (void *) __u;
+}
+
+# else
+
+void *
+__old_mempcpy_small (void *__dest, char __src1,
+ __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3,
+ __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5,
+ __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7,
+ __STRING2_COPY_ARR8 __src8, size_t __srclen)
+{
+ union {
+ char __c;
+ __STRING2_COPY_ARR2 __sca2;
+ __STRING2_COPY_ARR3 __sca3;
+ __STRING2_COPY_ARR4 __sca4;
+ __STRING2_COPY_ARR5 __sca5;
+ __STRING2_COPY_ARR6 __sca6;
+ __STRING2_COPY_ARR7 __sca7;
+ __STRING2_COPY_ARR8 __sca8;
+ } *__u = __dest;
+ switch ((unsigned int) __srclen)
+ {
+ case 1:
+ __u->__c = __src1;
+ break;
+ case 2:
+ __extension__ __u->__sca2 = __src2;
+ break;
+ case 3:
+ __extension__ __u->__sca3 = __src3;
+ break;
+ case 4:
+ __extension__ __u->__sca4 = __src4;
+ break;
+ case 5:
+ __extension__ __u->__sca5 = __src5;
+ break;
+ case 6:
+ __extension__ __u->__sca6 = __src6;
+ break;
+ case 7:
+ __extension__ __u->__sca7 = __src7;
+ break;
+ case 8:
+ __extension__ __u->__sca8 = __src8;
+ break;
+ }
+ return __extension__ ((void *) __u + __srclen);
+}
+# endif
+compat_symbol (libc, __old_mempcpy_small, __mempcpy_small, GLIBC_2_1_1);
+
+# if _STRING_INLINE_unaligned
+char *
+__old_strcpy_small (char *__dest,
+ __uint16_t __src0_2, __uint16_t __src4_2,
+ __uint32_t __src0_4, __uint32_t __src4_4,
+ size_t __srclen)
+{
+ union {
+ __uint32_t __ui;
+ __uint16_t __usi;
+ unsigned char __uc;
+ } *__u = (void *) __dest;
+ switch ((unsigned int) __srclen)
+ {
+ case 1:
+ __u->__uc = '\0';
+ break;
+ case 2:
+ __u->__usi = __src0_2;
+ break;
+ case 3:
+ __u->__usi = __src0_2;
+ __u = __extension__ ((void *) __u + 2);
+ __u->__uc = '\0';
+ break;
+ case 4:
+ __u->__ui = __src0_4;
+ break;
+ case 5:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__uc = '\0';
+ break;
+ case 6:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__usi = __src4_2;
+ break;
+ case 7:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__usi = __src4_2;
+ __u = __extension__ ((void *) __u + 2);
+ __u->__uc = '\0';
+ break;
+ case 8:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__ui = __src4_4;
+ break;
+ }
+ return __dest;
+}
+
+# else
+
+char *
+__old_strcpy_small (char *__dest,
+ __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3,
+ __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5,
+ __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7,
+ __STRING2_COPY_ARR8 __src8, size_t __srclen)
+{
+ union {
+ char __c;
+ __STRING2_COPY_ARR2 __sca2;
+ __STRING2_COPY_ARR3 __sca3;
+ __STRING2_COPY_ARR4 __sca4;
+ __STRING2_COPY_ARR5 __sca5;
+ __STRING2_COPY_ARR6 __sca6;
+ __STRING2_COPY_ARR7 __sca7;
+ __STRING2_COPY_ARR8 __sca8;
+ } *__u = (void *) __dest;
+ switch ((unsigned int) __srclen)
+ {
+ case 1:
+ __u->__c = '\0';
+ break;
+ case 2:
+ __extension__ __u->__sca2 = __src2;
+ break;
+ case 3:
+ __extension__ __u->__sca3 = __src3;
+ break;
+ case 4:
+ __extension__ __u->__sca4 = __src4;
+ break;
+ case 5:
+ __extension__ __u->__sca5 = __src5;
+ break;
+ case 6:
+ __extension__ __u->__sca6 = __src6;
+ break;
+ case 7:
+ __extension__ __u->__sca7 = __src7;
+ break;
+ case 8:
+ __extension__ __u->__sca8 = __src8;
+ break;
+ }
+ return __dest;
+}
+# endif
+compat_symbol (libc, __old_strcpy_small, __strcpy_small, GLIBC_2_1_1);
+
+# if _STRING_INLINE_unaligned
+char *
+__old_stpcpy_small (char *__dest,
+ __uint16_t __src0_2, __uint16_t __src4_2,
+ __uint32_t __src0_4, __uint32_t __src4_4,
+ size_t __srclen)
+{
+ union {
+ unsigned int __ui;
+ unsigned short int __usi;
+ unsigned char __uc;
+ char __c;
+ } *__u = (void *) __dest;
+ switch ((unsigned int) __srclen)
+ {
+ case 1:
+ __u->__uc = '\0';
+ break;
+ case 2:
+ __u->__usi = __src0_2;
+ __u = __extension__ ((void *) __u + 1);
+ break;
+ case 3:
+ __u->__usi = __src0_2;
+ __u = __extension__ ((void *) __u + 2);
+ __u->__uc = '\0';
+ break;
+ case 4:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 3);
+ break;
+ case 5:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__uc = '\0';
+ break;
+ case 6:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__usi = __src4_2;
+ __u = __extension__ ((void *) __u + 1);
+ break;
+ case 7:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__usi = __src4_2;
+ __u = __extension__ ((void *) __u + 2);
+ __u->__uc = '\0';
+ break;
+ case 8:
+ __u->__ui = __src0_4;
+ __u = __extension__ ((void *) __u + 4);
+ __u->__ui = __src4_4;
+ __u = __extension__ ((void *) __u + 3);
+ break;
+ }
+ return &__u->__c;
+}
+
+# else
+
+char *
+__old_stpcpy_small (char *__dest,
+ __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3,
+ __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5,
+ __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7,
+ __STRING2_COPY_ARR8 __src8, size_t __srclen)
+{
+ union {
+ char __c;
+ __STRING2_COPY_ARR2 __sca2;
+ __STRING2_COPY_ARR3 __sca3;
+ __STRING2_COPY_ARR4 __sca4;
+ __STRING2_COPY_ARR5 __sca5;
+ __STRING2_COPY_ARR6 __sca6;
+ __STRING2_COPY_ARR7 __sca7;
+ __STRING2_COPY_ARR8 __sca8;
+ } *__u = (void *) __dest;
+ switch ((unsigned int) __srclen)
+ {
+ case 1:
+ __u->__c = '\0';
+ break;
+ case 2:
+ __extension__ __u->__sca2 = __src2;
+ break;
+ case 3:
+ __extension__ __u->__sca3 = __src3;
+ break;
+ case 4:
+ __extension__ __u->__sca4 = __src4;
+ break;
+ case 5:
+ __extension__ __u->__sca5 = __src5;
+ break;
+ case 6:
+ __extension__ __u->__sca6 = __src6;
+ break;
+ case 7:
+ __extension__ __u->__sca7 = __src7;
+ break;
+ case 8:
+ __extension__ __u->__sca8 = __src8;
+ break;
+ }
+ return __dest + __srclen - 1;
+}
+# endif
+compat_symbol (libc, __old_stpcpy_small, __stpcpy_small, GLIBC_2_1_1);
+
+#endif
projects / thirdparty / glibc.git / blobdiff