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Workaround b/16818336 which fails build under aggressive inlining.

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Change-Id: Ifcd596714c427a2ec39502b9c0af9082ded91884
This commit is contained in:
Dehao Chen 2014-08-05 15:23:00 -07:00
parent 1b1966d944
commit 7aa27e1c1a
1 changed files with 0 additions and 33 deletions
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33
libc/include/string.h
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@ -94,9 +94,6 @@ extern size_t strxfrm_l(char* __restrict, const char* __restrict, size_t, locale
#if defined(__BIONIC_FORTIFY) #if defined(__BIONIC_FORTIFY)
__errordecl(__memcpy_dest_size_error, "memcpy: prevented write past end of buffer");
__errordecl(__memcpy_src_size_error, "memcpy: prevented read past end of buffer");
__BIONIC_FORTIFY_INLINE __BIONIC_FORTIFY_INLINE
void* memcpy(void* __restrict dest, const void* __restrict src, size_t copy_amount) { void* memcpy(void* __restrict dest, const void* __restrict src, size_t copy_amount) {
char *d = (char *) dest; char *d = (char *) dest;
@ -104,14 +101,6 @@ void* memcpy(void* __restrict dest, const void* __restrict src, size_t copy_amou
size_t s_len = __bos0(s); size_t s_len = __bos0(s);
size_t d_len = __bos0(d); size_t d_len = __bos0(d);
if (__builtin_constant_p(copy_amount) && (copy_amount > d_len)) {
__memcpy_dest_size_error();
}
if (__builtin_constant_p(copy_amount) && (copy_amount > s_len)) {
__memcpy_src_size_error();
}
return __builtin___memcpy_chk(dest, src, copy_amount, d_len); return __builtin___memcpy_chk(dest, src, copy_amount, d_len);
} }
@ -130,16 +119,12 @@ char* strcpy(char* __restrict dest, const char* __restrict src) {
return __builtin___strcpy_chk(dest, src, __bos(dest)); return __builtin___strcpy_chk(dest, src, __bos(dest));
} }
__errordecl(__stpncpy_error, "stpncpy: prevented write past end of buffer");
extern char* __stpncpy_chk2(char* __restrict, const char* __restrict, size_t, size_t, size_t); extern char* __stpncpy_chk2(char* __restrict, const char* __restrict, size_t, size_t, size_t);
__BIONIC_FORTIFY_INLINE __BIONIC_FORTIFY_INLINE
char* stpncpy(char* __restrict dest, const char* __restrict src, size_t n) { char* stpncpy(char* __restrict dest, const char* __restrict src, size_t n) {
size_t bos_dest = __bos(dest); size_t bos_dest = __bos(dest);
size_t bos_src = __bos(src); size_t bos_src = __bos(src);
if (__builtin_constant_p(n) && (n > bos_dest)) {
__stpncpy_error();
}
if (bos_src == __BIONIC_FORTIFY_UNKNOWN_SIZE) { if (bos_src == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
return __builtin___stpncpy_chk(dest, src, n, bos_dest); return __builtin___stpncpy_chk(dest, src, n, bos_dest);
@ -157,16 +142,12 @@ char* stpncpy(char* __restrict dest, const char* __restrict src, size_t n) {
return __stpncpy_chk2(dest, src, n, bos_dest, bos_src); return __stpncpy_chk2(dest, src, n, bos_dest, bos_src);
} }
__errordecl(__strncpy_error, "strncpy: prevented write past end of buffer");
extern char* __strncpy_chk2(char* __restrict, const char* __restrict, size_t, size_t, size_t); extern char* __strncpy_chk2(char* __restrict, const char* __restrict, size_t, size_t, size_t);
__BIONIC_FORTIFY_INLINE __BIONIC_FORTIFY_INLINE
char* strncpy(char* __restrict dest, const char* __restrict src, size_t n) { char* strncpy(char* __restrict dest, const char* __restrict src, size_t n) {
size_t bos_dest = __bos(dest); size_t bos_dest = __bos(dest);
size_t bos_src = __bos(src); size_t bos_src = __bos(src);
if (__builtin_constant_p(n) && (n > bos_dest)) {
__strncpy_error();
}
if (bos_src == __BIONIC_FORTIFY_UNKNOWN_SIZE) { if (bos_src == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
return __builtin___strncpy_chk(dest, src, n, bos_dest); return __builtin___strncpy_chk(dest, src, n, bos_dest);
@ -201,7 +182,6 @@ void* memset(void *s, int c, size_t n) {
extern size_t __strlcpy_real(char* __restrict, const char* __restrict, size_t) extern size_t __strlcpy_real(char* __restrict, const char* __restrict, size_t)
__asm__(__USER_LABEL_PREFIX__ "strlcpy"); __asm__(__USER_LABEL_PREFIX__ "strlcpy");
__errordecl(__strlcpy_error, "strlcpy: prevented write past end of buffer");
extern size_t __strlcpy_chk(char *, const char *, size_t, size_t); extern size_t __strlcpy_chk(char *, const char *, size_t, size_t);
__BIONIC_FORTIFY_INLINE __BIONIC_FORTIFY_INLINE
@ -219,12 +199,6 @@ size_t strlcpy(char* __restrict dest, const char* __restrict src, size_t size) {
if (__builtin_constant_p(size) && (size <= bos)) { if (__builtin_constant_p(size) && (size <= bos)) {
return __strlcpy_real(dest, src, size); return __strlcpy_real(dest, src, size);
} }
// Compiler can prove, at compile time, that the passed in size
// is always > the actual object size. Force a compiler error.
if (__builtin_constant_p(size) && (size > bos)) {
__strlcpy_error();
}
#endif /* !defined(__clang__) */ #endif /* !defined(__clang__) */
return __strlcpy_chk(dest, src, size, bos); return __strlcpy_chk(dest, src, size, bos);
@ -232,7 +206,6 @@ size_t strlcpy(char* __restrict dest, const char* __restrict src, size_t size) {
extern size_t __strlcat_real(char* __restrict, const char* __restrict, size_t) extern size_t __strlcat_real(char* __restrict, const char* __restrict, size_t)
__asm__(__USER_LABEL_PREFIX__ "strlcat"); __asm__(__USER_LABEL_PREFIX__ "strlcat");
__errordecl(__strlcat_error, "strlcat: prevented write past end of buffer");
extern size_t __strlcat_chk(char* __restrict, const char* __restrict, size_t, size_t); extern size_t __strlcat_chk(char* __restrict, const char* __restrict, size_t, size_t);
@ -251,12 +224,6 @@ size_t strlcat(char* __restrict dest, const char* __restrict src, size_t size) {
if (__builtin_constant_p(size) && (size <= bos)) { if (__builtin_constant_p(size) && (size <= bos)) {
return __strlcat_real(dest, src, size); return __strlcat_real(dest, src, size);
} }
// Compiler can prove, at compile time, that the passed in size
// is always > the actual object size. Force a compiler error.
if (__builtin_constant_p(size) && (size > bos)) {
__strlcat_error();
}
#endif /* !defined(__clang__) */ #endif /* !defined(__clang__) */
return __strlcat_chk(dest, src, size, bos); return __strlcat_chk(dest, src, size, bos);