X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/72108f2bbce08927d9d0b7d1a4f1b603819f136a..9e7ded3f8151b7f66398bfd77fca0565ee90166a:/Porting/findrfuncs diff --git a/Porting/findrfuncs b/Porting/findrfuncs old mode 100644 new mode 100755 index 36fb7e8..c9a7ff8 --- a/Porting/findrfuncs +++ b/Porting/findrfuncs @@ -1,11 +1,14 @@ -#!/usr/bin/perl -w +#!/usr/bin/perl -ws # # findrfuncs: find reentrant variants of functions used in an executable. +# # Requires a functional "nm -u". Searches headers in /usr/include # to find available *_r functions and looks for non-reentrant # variants used in the supplied executable. # +# Requires debug info in the shared libraries/executables. +# # Gurusamy Sarathy # gsar@ActiveState.com # @@ -61,16 +64,57 @@ find(sub { # delete bogus symbols grepped out of comments and such delete $rfuncs{setlocale_r} if $^O eq 'linux'; +# delete obsolete (as promised by man pages) symbols +my $netdb_r_obsolete; +if ($^O eq 'hpux') { + delete $rfuncs{crypt_r}; + delete $rfuncs{drand48_r}; + delete $rfuncs{endgrent_r}; + delete $rfuncs{endpwent_r}; + delete $rfuncs{getgrent_r}; + delete $rfuncs{getpwent_r}; + delete $rfuncs{setlocale_r}; + delete $rfuncs{srand48_r}; + delete $rfuncs{strerror_r}; + $netdb_r_obsolete = 1; +} elsif ($^O eq 'dec_osf') { + delete $rfuncs{crypt_r}; + delete $rfuncs{strerror_r}; + $netdb_r_obsolete = 1; +} +if ($netdb_r_obsolete) { + delete @rfuncs{qw(endhostent_r + endnetent_r + endprotoent_r + endservent_r + gethostbyaddr_r + gethostbyname_r + gethostent_r + getnetbyaddr_r + getnetbyname_r + getnetent_r + getprotobyname_r + getprotobynumber_r + getprotoent_r + getservbyname_r + getservbyport_r + getservent_r + sethostent_r + setnetent_r + setprotoent_r + setservent_r)}; +} + my %syms; for my $exe (@EXES) { # warn "#--- $exe\n"; - for my $sym (`$NMU $exe`) { + for my $sym (`$NMU $exe 2>/dev/null`) { chomp $sym; $sym =~ s/^\s+//; $sym =~ s/^([0-9A-Fa-f]+\s+)?[Uu]\s+//; $sym =~ s/\s+[Uu]\s+-$//; - next if /\s/; + next if $sym =~ /\s/; $sym =~ s/\@.*\z//; # remove @@GLIBC_2.0 etc # warn "#### $sym\n"; if (exists $rfuncs{"${sym}_r"} && ! $syms{"$sym:$exe"}++) { @@ -87,4 +131,3 @@ for my $exe (@EXES) { } @syms = (); } -