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(Also, correct a comment that claimed that expr detects integer
overflow; it does so only when converting from strings.)
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so that unistd-safer.h (GPL'ed code) need not be included.
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(setup_dir, free_dir): New functions.
(enter_dir, leave_dir): Define trivial
alternatives of _LGPL_PACKAGE. Move to fts-cycle.c if !_LGPL_PACKAGE.
(HT_INITIAL_SIZE, ENTER_DIR): Remove. All uses removed.
(LEAVE_DIR): Fix typo: pass Fts and Ent to leave_dir.
(struct Active_dir, AD_compare, AD_hash, enter_dir, leave_dir):
Move to fts-cycle.c.
(fts_open): Use setup_dir.
(fts_close): Use free_dir.
(fts_read): Have just one copy of the ENTER_DIR code rather than three.
This adds a label and some gotos, but the alternatives were messier.
Check for memory allocation failure when entering a dir.
(fts_stat) [_LGPL_PACKAGE]: Bring back glibc cycle detection code.
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(FTS): New member fts_cycle, that is a union that contains the
old active_dir_ht and cycle_state. All uses changed to mention
fts_cycle.ht and fts_cycle.state.
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(gl_FUNC_FTS, gl_FUNC_FTS_LGPL): New macros.
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(gl_FUNC_FTS, gl_FUNC_FTS_LGPL): New macros.
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fts.c, with the following changes:
(setup_dir, free_dir): New functions.
(enter_dir): Now returns bool. Return true if successful, false
if memory exhausted. All callers changed.
Do not bother partly cleaning up on
memory allocation failure; that is free_dir's job.
However, free ad if hash_insert fails, to avoid memory leak.
(enter_dir, leave_dir): Accommodate change to FTS by inspecting
fts->fts_options to see which union member to use.
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Spotted by Paul Eggert.
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Remove inaccurate-but-harmless `const' attributes.
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`error (EXIT_FAILURE, ...' to avoid a gcc warning in caller,
about variables being used uninitialized.
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Use #define rather than a static function, to avoid a warning
when the function was not used.
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it's always true now.
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(factor_LDADD): Remove, as factor no longer needs sqrt.
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(gl_PREREQ): Add gl_LOCALCHARSET.
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(cu_LIB_CHECK): Renamed from gl_LIB_CHECK.
Don't check for sqrt; factor no longer needs it.
Revamp tests for floor, modf, rint, to define SEQ_LIBM.
Redo tests for fesetround to act like the other wons.
Use "cu_saved_libs" for local var name, not "ac_su_saved_lib".
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Don't check for memcpy, strchr, strerror, strrchr, float.h.
Use AC_REQUIRE on AM_LANGINFO_CODESET and gl_GLIBC21 rather
than invoking them directly.
(gl_CHECK_ALL_HEADERS): Don't check for errno.h, float.h,
limits.h, stddef.h, since we assume C89 now.
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GETTIMEOFDAY_CLOBBERS_LOCALTIME_BUFFER, since nobody uses it.
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don't use its results.
Don't check for fcntl.h, stddef.h, stdlib.h, string.h, unistd.h,
since we include them unconditionally. Don't require
AM_STDBOOL_H, since stdbool is a prerequisite.
Don't require AC_C_CONST, AC_TYPE_SIZE_T or check for ptrdiff_t
since we assume C89 or better.
Don't require AC_FUNC_CLOSEDIR_VOID, AC_FUNC_LSTAT, or AC_FUNC_STAT,
as we don't use their results.
Don't check for fchdir, memmove, memset, strrchr, as we use
them unconditionally.
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(FTS): Use struct hash_table * instead of Hash_table, so that
we no longer need to include hash.h here.
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Do not include intprops.h; no longer needed.
Include cycle-check.h and hash.h, since fts_.h no longer does.
Remove unnecessary casts of closedir to void.
(fts_build): Use a simpler method (not involving TYPE_SIGNED) to
decide whether to decrement nlinks.
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