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| author | Yuuki Harano <masm+github@masm11.me> | 2021-01-30 23:37:19 +0900 |
|---|---|---|
| committer | Yuuki Harano <masm+github@masm11.me> | 2021-01-30 23:37:19 +0900 |
| commit | 50c76b844bc79309b4f5d9e28a2386b9a6f735b7 (patch) | |
| tree | 29f8273d8afccae1f16b723c36548cee150cb0bc /lib/canonicalize-lgpl.c | |
| parent | 563a0d94c379292bd88e83f18560ed21c497cea9 (diff) | |
| parent | 96f20120c97a0a329fff81a0cc3747082a8a2c55 (diff) | |
| download | emacs-50c76b844bc79309b4f5d9e28a2386b9a6f735b7.tar.gz emacs-50c76b844bc79309b4f5d9e28a2386b9a6f735b7.tar.bz2 emacs-50c76b844bc79309b4f5d9e28a2386b9a6f735b7.zip | |
Merge branch 'master' of git.sv.gnu.org:/srv/git/emacs into feature/pgtk
Diffstat (limited to 'lib/canonicalize-lgpl.c')
| -rw-r--r-- | lib/canonicalize-lgpl.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/lib/canonicalize-lgpl.c b/lib/canonicalize-lgpl.c index b6dc3a447ab..b7dba08994d 100644 --- a/lib/canonicalize-lgpl.c +++ b/lib/canonicalize-lgpl.c @@ -85,10 +85,6 @@ # define IF_LINT(Code) /* empty */ #endif -/* True if adding two valid object sizes might overflow idx_t. - As a practical matter, this cannot happen on 64-bit machines. */ -enum { NARROW_ADDRESSES = IDX_MAX >> 31 >> 31 == 0 }; - #ifndef DOUBLE_SLASH_IS_DISTINCT_ROOT # define DOUBLE_SLASH_IS_DISTINCT_ROOT false #endif @@ -145,11 +141,11 @@ suffix_requires_dir_check (char const *end) macOS 10.13 <https://bugs.gnu.org/30350>, and should also work on platforms like AIX 7.2 that need at least "/.". */ -#if defined _LIBC || defined LSTAT_FOLLOWS_SLASHED_SYMLINK +# if defined _LIBC || defined LSTAT_FOLLOWS_SLASHED_SYMLINK static char const dir_suffix[] = "/"; -#else +# else static char const dir_suffix[] = "/./"; -#endif +# endif /* Return true if DIR is a searchable dir, false (setting errno) otherwise. DIREND points to the NUL byte at the end of the DIR string. @@ -191,13 +187,13 @@ get_path_max (void) to pacify GCC is known; even an explicit #pragma does not pacify GCC. When the GCC bug is fixed this workaround should be limited to the broken GCC versions. */ -#if __GNUC_PREREQ (10, 1) -# if defined GCC_LINT || defined lint +# if __GNUC_PREREQ (10, 1) +# if defined GCC_LINT || defined lint __attribute__ ((__noinline__)) -# elif __OPTIMIZE__ && !__NO_INLINE__ -# define GCC_BOGUS_WRETURN_LOCAL_ADDR +# elif __OPTIMIZE__ && !__NO_INLINE__ +# define GCC_BOGUS_WRETURN_LOCAL_ADDR +# endif # endif -#endif static char * realpath_stk (const char *name, char *resolved, struct scratch_buffer *rname_buf) @@ -343,7 +339,7 @@ realpath_stk (const char *name, char *resolved, if (end_in_extra_buffer) end_idx = end - extra_buf; size_t len = strlen (end); - if (NARROW_ADDRESSES && INT_ADD_OVERFLOW (len, n)) + if (INT_ADD_OVERFLOW (len, n)) { __set_errno (ENOMEM); goto error_nomem; @@ -443,7 +439,8 @@ __realpath (const char *name, char *resolved) } libc_hidden_def (__realpath) versioned_symbol (libc, __realpath, realpath, GLIBC_2_3); -#endif /* !FUNC_REALPATH_WORKS || defined _LIBC */ + +#endif /* defined _LIBC || !FUNC_REALPATH_WORKS */ #if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3) |