merge from gcc
This commit is contained in:
DJ Delorie
parent
fd49b9b373
commit
995b61fe5b
13 changed files with 202 additions and 26 deletions
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@ -1,3 +1,13 @@
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2012-10-08 Jason Merrill <jason@redhat.com>
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* demangle.h (enum demangle_component_type): Add
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DEMANGLE_COMPONENT_TLS_INIT and DEMANGLE_COMPONENT_TLS_WRAPPER.
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2012-09-18 Florian Weimer <fweimer@redhat.com>
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PR other/54411
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* objalloc.h (objalloc_alloc): Do not use fast path on wraparound.
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2012-09-27 Anthony Green <green@moxielogic.com>
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* opcode/moxie.h (MOXIE_BAD): New define.
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@ -272,6 +272,9 @@ enum demangle_component_type
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/* A guard variable. This has one subtree, the name for which this
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is a guard variable. */
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DEMANGLE_COMPONENT_GUARD,
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/* The init and wrapper functions for C++11 thread_local variables. */
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DEMANGLE_COMPONENT_TLS_INIT,
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DEMANGLE_COMPONENT_TLS_WRAPPER,
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/* A reference temporary. This has one subtree, the name for which
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this is a temporary. */
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DEMANGLE_COMPONENT_REFTEMP,
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@ -1,5 +1,5 @@
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/* objalloc.h -- routines to allocate memory for objects
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Copyright 1997, 2001 Free Software Foundation, Inc.
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Copyright 1997-2012 Free Software Foundation, Inc.
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Written by Ian Lance Taylor, Cygnus Solutions.
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This program is free software; you can redistribute it and/or modify it
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@ -91,7 +91,7 @@ extern void *_objalloc_alloc (struct objalloc *, unsigned long);
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if (__len == 0) \
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__len = 1; \
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__len = (__len + OBJALLOC_ALIGN - 1) &~ (OBJALLOC_ALIGN - 1); \
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(__len <= __o->current_space \
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(__len != 0 && __len <= __o->current_space \
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? (__o->current_ptr += __len, \
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__o->current_space -= __len, \
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(void *) (__o->current_ptr - __len)) \
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@ -1,3 +1,26 @@
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2012-10-08 Jason Merrill <jason@redhat.com>
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* cp-demangle.c (d_special_name, d_dump): Handle TH and TW.
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(d_make_comp, d_print_comp): Likewise.
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2012-09-18 Ian Lance Taylor <iant@google.com>
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* strnlen.c: New file.
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* configure.ac: Check for strnlen, add it to AC_LIBOBJ if it's not
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present.
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* Makefile.in: Rebuild dependencies.
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(CFILES): Add strnlen.c.
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(CONFIGURED_OFILES): Add ./strnlen.$(objext).
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* configure, config.in, functions.texi: Rebuild.
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* maint-tool: Accept .def files in the include directory.
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2012-09-18 Florian Weimer <fweimer@redhat.com>
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PR other/54411
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* objalloc.c (_objalloc_alloc): Add overflow check covering
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alignment and CHUNK_HEADER_SIZE addition.
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2011-08-28 H.J. Lu <hongjiu.lu@intel.com>
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* argv.c (dupargv): Replace malloc with xmalloc. Don't check
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@ -151,7 +151,7 @@ CFILES = alloca.c argv.c asprintf.c atexit.c \
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spaces.c splay-tree.c stack-limit.c stpcpy.c stpncpy.c \
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strcasecmp.c strchr.c strdup.c strerror.c strncasecmp.c \
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strncmp.c strrchr.c strsignal.c strstr.c strtod.c strtol.c \
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strtoul.c strndup.c strverscmp.c \
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strtoul.c strndup.c strnlen.c strverscmp.c \
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timeval-utils.c tmpnam.c \
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unlink-if-ordinary.c \
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vasprintf.c vfork.c vfprintf.c vprintf.c vsnprintf.c vsprintf.c \
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@ -215,9 +215,9 @@ CONFIGURED_OFILES = ./asprintf.$(objext) ./atexit.$(objext) \
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./sigsetmask.$(objext) ./snprintf.$(objext) \
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./stpcpy.$(objext) ./stpncpy.$(objext) ./strcasecmp.$(objext) \
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./strchr.$(objext) ./strdup.$(objext) ./strncasecmp.$(objext) \
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./strncmp.$(objext) ./strndup.$(objext) ./strrchr.$(objext) \
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./strstr.$(objext) ./strtod.$(objext) ./strtol.$(objext) \
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./strtoul.$(objext) ./strverscmp.$(objext) \
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./strncmp.$(objext) ./strndup.$(objext) ./strnlen.$(objext) \
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./strrchr.$(objext) ./strstr.$(objext) ./strtod.$(objext) \
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./strtol.$(objext) ./strtoul.$(objext) ./strverscmp.$(objext) \
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./tmpnam.$(objext) \
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./vasprintf.$(objext) ./vfork.$(objext) ./vfprintf.$(objext) \
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./vprintf.$(objext) ./vsnprintf.$(objext) ./vsprintf.$(objext) \
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@ -622,8 +622,8 @@ $(CONFIGURED_OFILES): stamp-picdir
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else true; fi
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$(COMPILE.c) $(srcdir)/crc32.c $(OUTPUT_OPTION)
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./dwarfnames.$(objext): $(srcdir)/dwarfnames.c $(INCDIR)/dwarf2.h \
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$(INCDIR)/dwarf2.def
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./dwarfnames.$(objext): $(srcdir)/dwarfnames.c $(INCDIR)/dwarf2.def \
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$(INCDIR)/dwarf2.h
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if [ x"$(PICFLAG)" != x ]; then \
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$(COMPILE.c) $(PICFLAG) $(srcdir)/dwarfnames.c -o pic/$@; \
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else true; fi
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@ -656,7 +656,8 @@ $(CONFIGURED_OFILES): stamp-picdir
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else true; fi
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$(COMPILE.c) $(srcdir)/fibheap.c $(OUTPUT_OPTION)
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./filename_cmp.$(objext): $(srcdir)/filename_cmp.c config.h $(INCDIR)/filenames.h \
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./filename_cmp.$(objext): $(srcdir)/filename_cmp.c config.h $(INCDIR)/ansidecl.h \
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$(INCDIR)/filenames.h $(INCDIR)/hashtab.h \
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$(INCDIR)/safe-ctype.h
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if [ x"$(PICFLAG)" != x ]; then \
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$(COMPILE.c) $(PICFLAG) $(srcdir)/filename_cmp.c -o pic/$@; \
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@ -757,7 +758,7 @@ $(CONFIGURED_OFILES): stamp-picdir
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$(COMPILE.c) $(srcdir)/insque.c $(OUTPUT_OPTION)
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./lbasename.$(objext): $(srcdir)/lbasename.c config.h $(INCDIR)/ansidecl.h \
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$(INCDIR)/filenames.h $(INCDIR)/libiberty.h \
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$(INCDIR)/filenames.h $(INCDIR)/hashtab.h $(INCDIR)/libiberty.h \
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$(INCDIR)/safe-ctype.h
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if [ x"$(PICFLAG)" != x ]; then \
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$(COMPILE.c) $(PICFLAG) $(srcdir)/lbasename.c -o pic/$@; \
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@ -1043,7 +1044,7 @@ $(CONFIGURED_OFILES): stamp-picdir
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else true; fi
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$(COMPILE.c) $(srcdir)/splay-tree.c $(OUTPUT_OPTION)
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./stack-limit.$(objext): $(srcdir)/stack-limit.c config.h
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./stack-limit.$(objext): $(srcdir)/stack-limit.c config.h $(INCDIR)/ansidecl.h
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if [ x"$(PICFLAG)" != x ]; then \
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$(COMPILE.c) $(PICFLAG) $(srcdir)/stack-limit.c -o pic/$@; \
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else true; fi
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@ -1104,6 +1105,12 @@ $(CONFIGURED_OFILES): stamp-picdir
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else true; fi
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$(COMPILE.c) $(srcdir)/strndup.c $(OUTPUT_OPTION)
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./strnlen.$(objext): $(srcdir)/strnlen.c config.h
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if [ x"$(PICFLAG)" != x ]; then \
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$(COMPILE.c) $(PICFLAG) $(srcdir)/strnlen.c -o pic/$@; \
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else true; fi
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$(COMPILE.c) $(srcdir)/strnlen.c $(OUTPUT_OPTION)
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./strrchr.$(objext): $(srcdir)/strrchr.c $(INCDIR)/ansidecl.h
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if [ x"$(PICFLAG)" != x ]; then \
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$(COMPILE.c) $(PICFLAG) $(srcdir)/strrchr.c -o pic/$@; \
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@ -262,6 +262,9 @@
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/* Define to 1 if you have the `strndup' function. */
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#undef HAVE_STRNDUP
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/* Define to 1 if you have the `strnlen' function. */
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#undef HAVE_STRNLEN
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/* Define to 1 if you have the `strrchr' function. */
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#undef HAVE_STRRCHR
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13
libiberty/configure
vendored
13
libiberty/configure
vendored
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@ -5340,6 +5340,7 @@ funcs="$funcs strchr"
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funcs="$funcs strdup"
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funcs="$funcs strncasecmp"
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funcs="$funcs strndup"
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funcs="$funcs strnlen"
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funcs="$funcs strrchr"
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funcs="$funcs strstr"
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funcs="$funcs strtod"
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@ -5380,8 +5381,8 @@ if test "x" = "y"; then
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random realpath rename rindex \
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sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
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stpcpy stpncpy strcasecmp strchr strdup \
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strerror strncasecmp strndup strrchr strsignal strstr strtod strtol \
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strtoul strverscmp sysconf sysctl sysmp \
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strerror strncasecmp strndup strnlen strrchr strsignal strstr strtod \
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strtol strtoul strverscmp sysconf sysctl sysmp \
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table times tmpnam \
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vasprintf vfprintf vprintf vsprintf \
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wait3 wait4 waitpid
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@ -5662,6 +5663,12 @@ esac
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;;
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esac
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case " $LIBOBJS " in
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*" strnlen.$ac_objext "* ) ;;
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*) LIBOBJS="$LIBOBJS strnlen.$ac_objext"
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;;
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esac
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case " $LIBOBJS " in
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*" strverscmp.$ac_objext "* ) ;;
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*) LIBOBJS="$LIBOBJS strverscmp.$ac_objext"
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@ -5683,7 +5690,7 @@ esac
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for f in $funcs; do
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case "$f" in
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asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strverscmp | vasprintf | waitpid)
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asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strnlen | strverscmp | vasprintf | waitpid)
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;;
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*)
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n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
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@ -322,6 +322,7 @@ funcs="$funcs strchr"
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funcs="$funcs strdup"
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funcs="$funcs strncasecmp"
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funcs="$funcs strndup"
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funcs="$funcs strnlen"
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funcs="$funcs strrchr"
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funcs="$funcs strstr"
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funcs="$funcs strtod"
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@ -362,8 +363,8 @@ if test "x" = "y"; then
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random realpath rename rindex \
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sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
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stpcpy stpncpy strcasecmp strchr strdup \
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strerror strncasecmp strndup strrchr strsignal strstr strtod strtol \
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strtoul strverscmp sysconf sysctl sysmp \
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strerror strncasecmp strndup strnlen strrchr strsignal strstr strtod \
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strtol strtoul strverscmp sysconf sysctl sysmp \
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table times tmpnam \
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vasprintf vfprintf vprintf vsprintf \
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wait3 wait4 waitpid)
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@ -442,13 +443,14 @@ if test -n "${with_target_subdir}"; then
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AC_LIBOBJ([stpcpy])
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AC_LIBOBJ([stpncpy])
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AC_LIBOBJ([strndup])
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AC_LIBOBJ([strnlen])
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AC_LIBOBJ([strverscmp])
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AC_LIBOBJ([vasprintf])
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AC_LIBOBJ([waitpid])
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for f in $funcs; do
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case "$f" in
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asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strverscmp | vasprintf | waitpid)
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asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strnlen | strverscmp | vasprintf | waitpid)
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;;
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*)
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n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
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@ -696,6 +696,12 @@ d_dump (struct demangle_component *dc, int indent)
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case DEMANGLE_COMPONENT_PACK_EXPANSION:
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printf ("pack expansion\n");
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break;
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case DEMANGLE_COMPONENT_TLS_INIT:
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printf ("tls init function\n");
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break;
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case DEMANGLE_COMPONENT_TLS_WRAPPER:
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printf ("tls wrapper function\n");
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break;
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}
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d_dump (d_left (dc), indent + 2);
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@ -832,6 +838,8 @@ d_make_comp (struct d_info *di, enum demangle_component_type type,
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case DEMANGLE_COMPONENT_COVARIANT_THUNK:
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case DEMANGLE_COMPONENT_JAVA_CLASS:
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case DEMANGLE_COMPONENT_GUARD:
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case DEMANGLE_COMPONENT_TLS_INIT:
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case DEMANGLE_COMPONENT_TLS_WRAPPER:
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case DEMANGLE_COMPONENT_REFTEMP:
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case DEMANGLE_COMPONENT_HIDDEN_ALIAS:
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case DEMANGLE_COMPONENT_TRANSACTION_CLONE:
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@ -1867,6 +1875,14 @@ d_special_name (struct d_info *di)
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return d_make_comp (di, DEMANGLE_COMPONENT_JAVA_CLASS,
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cplus_demangle_type (di), NULL);
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case 'H':
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return d_make_comp (di, DEMANGLE_COMPONENT_TLS_INIT,
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d_name (di), NULL);
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case 'W':
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return d_make_comp (di, DEMANGLE_COMPONENT_TLS_WRAPPER,
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d_name (di), NULL);
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default:
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return NULL;
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}
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@ -4072,6 +4088,16 @@ d_print_comp (struct d_print_info *dpi, int options,
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d_print_comp (dpi, options, d_left (dc));
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return;
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case DEMANGLE_COMPONENT_TLS_INIT:
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d_append_string (dpi, "TLS init function for ");
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d_print_comp (dpi, options, d_left (dc));
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return;
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case DEMANGLE_COMPONENT_TLS_WRAPPER:
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d_append_string (dpi, "TLS wrapper function for ");
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d_print_comp (dpi, options, d_left (dc));
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return;
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case DEMANGLE_COMPONENT_REFTEMP:
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d_append_string (dpi, "reference temporary #");
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d_print_comp (dpi, options, d_right (dc));
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@ -84,7 +84,7 @@ is respectively less than, matching, or greater than the array member.
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@end deftypefn
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@c argv.c:142
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@c argv.c:135
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@deftypefn Extension char** buildargv (char *@var{sp})
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Given a pointer to a string, parse the string extracting fields
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@ -95,7 +95,7 @@ remains unchanged. The last element of the vector is followed by a
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@code{NULL} element.
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All of the memory for the pointer array and copies of the string
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is obtained from @code{malloc}. All of the memory can be returned to the
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is obtained from @code{xmalloc}. All of the memory can be returned to the
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system with the single function call @code{freeargv}, which takes the
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returned result of @code{buildargv}, as it's argument.
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@ -166,6 +166,14 @@ pointer encountered. Pointers to empty strings are ignored.
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@end deftypefn
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@c argv.c:470
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@deftypefn Extension int countargv (char **@var{argv})
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Return the number of elements in @var{argv}.
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Returns zero if @var{argv} is NULL.
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@end deftypefn
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@c crc32.c:141
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@deftypefn Extension {unsigned int} crc32 (const unsigned char *@var{buf}, @
|
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int @var{len}, unsigned int @var{init})
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@ -224,7 +232,7 @@ symbolic name or message.
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@end deftypefn
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@c argv.c:361
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@c argv.c:341
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@deftypefn Extension void expandargv (int *@var{argcp}, char ***@var{argvp})
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|
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The @var{argcp} and @code{argvp} arguments are pointers to the usual
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@ -296,7 +304,24 @@ and backward slashes are equal.
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@end deftypefn
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@c filename_cmp.c:81
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@c filename_cmp.c:178
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@deftypefn Extension int filename_eq (const void *@var{s1}, const void *@var{s2})
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Return non-zero if file names @var{s1} and @var{s2} are equivalent.
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This function is for use with hashtab.c hash tables.
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@end deftypefn
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@c filename_cmp.c:147
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@deftypefn Extension hashval_t filename_hash (const void *@var{s})
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Return the hash value for file name @var{s} that will be compared
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using filename_cmp.
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This function is for use with hashtab.c hash tables.
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@end deftypefn
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@c filename_cmp.c:89
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@deftypefn Extension int filename_ncmp (const char *@var{s1}, const char *@var{s2}, size_t @var{n})
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Return zero if the two file names @var{s1} and @var{s2} are equivalent
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@ -376,7 +401,7 @@ unchanged.
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@end deftypefn
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@c argv.c:97
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@c argv.c:90
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@deftypefn Extension void freeargv (char **@var{vector})
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|
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Free an argument vector that was built using @code{buildargv}. Simply
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@ -1465,6 +1490,13 @@ deallocate values.
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@end deftypefn
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||||
@c stack-limit.c:28
|
||||
@deftypefn Extension void stack_limit_increase (unsigned long @var{pref})
|
||||
|
||||
Attempt to increase stack size limit to @var{pref} bytes if possible.
|
||||
|
||||
@end deftypefn
|
||||
|
||||
@c stpcpy.c:23
|
||||
@deftypefn Supplemental char* stpcpy (char *@var{dst}, const char *@var{src})
|
||||
|
||||
|
|
@ -1574,6 +1606,16 @@ memory was available. The result is always NUL terminated.
|
|||
|
||||
@end deftypefn
|
||||
|
||||
@c strnlen.c:6
|
||||
@deftypefn Supplemental size_t strnlen (const char *@var{s}, size_t @var{maxlen})
|
||||
|
||||
Returns the length of @var{s}, as with @code{strlen}, but never looks
|
||||
past the first @var{maxlen} characters in the string. If there is no
|
||||
'\0' character in the first @var{maxlen} characters, returns
|
||||
@var{maxlen}.
|
||||
|
||||
@end deftypefn
|
||||
|
||||
@c strrchr.c:6
|
||||
@deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c})
|
||||
|
||||
|
|
@ -1728,6 +1770,22 @@ This function is especially useful when dealing with filename sorting,
|
|||
because filenames frequently hold indices/version numbers.
|
||||
@end deftypefun
|
||||
|
||||
@c timeval-utils.c:43
|
||||
@deftypefn Extension void timeval_add (struct timeval *@var{a}, @
|
||||
struct timeval *@var{b}, struct timeval *@var{result})
|
||||
|
||||
Adds @var{a} to @var{b} and stores the result in @var{result}.
|
||||
|
||||
@end deftypefn
|
||||
|
||||
@c timeval-utils.c:67
|
||||
@deftypefn Extension void timeval_sub (struct timeval *@var{a}, @
|
||||
struct timeval *@var{b}, struct timeval *@var{result})
|
||||
|
||||
Subtracts @var{b} from @var{a} and stores the result in @var{result}.
|
||||
|
||||
@end deftypefn
|
||||
|
||||
@c tmpnam.c:3
|
||||
@deftypefn Supplemental char* tmpnam (char *@var{s})
|
||||
|
||||
|
|
@ -1829,7 +1887,7 @@ does the return value. The third argument is unused in @libib{}.
|
|||
|
||||
@end deftypefn
|
||||
|
||||
@c argv.c:306
|
||||
@c argv.c:286
|
||||
@deftypefn Extension int writeargv (const char **@var{argv}, FILE *@var{file})
|
||||
|
||||
Write each member of ARGV, handling all necessary quoting, to the file
|
||||
|
|
|
|||
|
|
@ -222,7 +222,7 @@ sub deps {
|
|||
|
||||
opendir(INC, $incdir);
|
||||
while ($f = readdir INC) {
|
||||
next unless $f =~ /\.h$/;
|
||||
next unless $f =~ /\.h$/ || $f =~ /\.def$/;
|
||||
$mine{$f} = "\$(INCDIR)/$f";
|
||||
$deps{$f} = join(' ', &deps_for("$incdir/$f"));
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/* objalloc.c -- routines to allocate memory for objects
|
||||
Copyright 1997 Free Software Foundation, Inc.
|
||||
Copyright 1997-2012 Free Software Foundation, Inc.
|
||||
Written by Ian Lance Taylor, Cygnus Solutions.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify it
|
||||
|
|
@ -112,8 +112,10 @@ objalloc_create (void)
|
|||
/* Allocate space from an objalloc structure. */
|
||||
|
||||
PTR
|
||||
_objalloc_alloc (struct objalloc *o, unsigned long len)
|
||||
_objalloc_alloc (struct objalloc *o, unsigned long original_len)
|
||||
{
|
||||
unsigned long len = original_len;
|
||||
|
||||
/* We avoid confusion from zero sized objects by always allocating
|
||||
at least 1 byte. */
|
||||
if (len == 0)
|
||||
|
|
@ -121,6 +123,11 @@ _objalloc_alloc (struct objalloc *o, unsigned long len)
|
|||
|
||||
len = (len + OBJALLOC_ALIGN - 1) &~ (OBJALLOC_ALIGN - 1);
|
||||
|
||||
/* Check for overflow in the alignment operation above and the
|
||||
malloc argument below. */
|
||||
if (len + CHUNK_HEADER_SIZE < original_len)
|
||||
return NULL;
|
||||
|
||||
if (len <= o->current_space)
|
||||
{
|
||||
o->current_ptr += len;
|
||||
|
|
|
|||
30
libiberty/strnlen.c
Normal file
30
libiberty/strnlen.c
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
/* Portable version of strnlen.
|
||||
This function is in the public domain. */
|
||||
|
||||
/*
|
||||
|
||||
@deftypefn Supplemental size_t strnlen (const char *@var{s}, size_t @var{maxlen})
|
||||
|
||||
Returns the length of @var{s}, as with @code{strlen}, but never looks
|
||||
past the first @var{maxlen} characters in the string. If there is no
|
||||
'\0' character in the first @var{maxlen} characters, returns
|
||||
@var{maxlen}.
|
||||
|
||||
@end deftypefn
|
||||
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <stddef.h>
|
||||
|
||||
size_t
|
||||
strnlen (const char *s, size_t maxlen)
|
||||
{
|
||||
size_t i;
|
||||
|
||||
for (i = 0; i < maxlen; ++i)
|
||||
if (s[i] == '\0')
|
||||
break;
|
||||
return i;
|
||||
}
|
||||
Loading…
Reference in a new issue