diff options
Diffstat (limited to 'extension')
| -rw-r--r-- | extension/CMakeLists.txt | 84 | ||||
| -rw-r--r-- | extension/ChangeLog | 190 | ||||
| -rw-r--r-- | extension/configure.ac | 4 | ||||
| -rw-r--r-- | extension/filefuncs.c | 2 | ||||
| -rw-r--r-- | extension/readfile.c | 4 | ||||
| -rw-r--r-- | extension/rwarray.c | 4 | ||||
| -rw-r--r-- | extension/rwarray0.c | 4 | ||||
| -rw-r--r-- | extension/testext.c | 205 |
8 files changed, 488 insertions, 9 deletions
diff --git a/extension/CMakeLists.txt b/extension/CMakeLists.txt new file mode 100644 index 00000000..1bb4ceb1 --- /dev/null +++ b/extension/CMakeLists.txt @@ -0,0 +1,84 @@ +# +# extension/CMakeLists.txt --- CMake input file for gawk +# +# Copyright (C) 2013 +# the Free Software Foundation, Inc. +# +# This file is part of GAWK, the GNU implementation of the +# AWK Programming Language. +# +# GAWK is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# GAWK is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA +# + +## process this file with CMake to produce Makefile + +# Remove the definition of GAWK because of gawkapi.h. +remove_definitions(-DGAWK) + +MACRO(BuildExtension name sources) + add_library (${name} MODULE ${sources} ${ARGN}) + target_link_libraries(${name} ${EXTRA_LIBS}) + set_target_properties(${name} PROPERTIES PREFIX "") + install(PROGRAMS ${CMAKE_BINARY_DIR}/extension/${name}${CMAKE_SHARED_LIBRARY_SUFFIX} DESTINATION lib) +ENDMACRO(BuildExtension) + +if (${HAVE_STRUCT_STAT_ST_BLKSIZE}) + BuildExtension(filefuncs filefuncs.c stack.c gawkfts.c) +else() + message(STATUS "extension filefuncs cannot be built because HAVE_STRUCT_STAT_ST_BLKSIZE is missing") +endif() + +if (HAVE_FNMATCH AND HAVE_FNMATCH_H) + BuildExtension(fnmatch fnmatch.c) +else() + message(STATUS "extension fnmatch cannot be built because function fnmatch or fnmatch.h is missing") +endif() + +if (${HAVE_SYS_WAIT_H}) + BuildExtension(fork fork.c) +else() + message(STATUS "extension fork cannot be built because HAVE_SYS_WAIT_H is missing") +endif() + +if (${HAVE_MKSTEMP}) + BuildExtension(inplace inplace.c) +else() + message(STATUS "extension inplace cannot be built because HAVE_MKSTEMP is missing") +endif() + +BuildExtension(ordchr ordchr.c) + +if (HAVE_DIRENT_H AND HAVE_DIRFD) + BuildExtension(readdir readdir.c) +else() + message(STATUS "extension readdir cannot be built because function readdir is missing") +endif() + +BuildExtension(readfile readfile.c) + +BuildExtension(revoutput revoutput.c) + +if (${HAVE_GETDTABLESIZE}) + BuildExtension(revtwoway revtwoway.c) +else() + message(STATUS "extension revtwoway cannot be built because function getdtablesize is missing") +endif() + +BuildExtension(rwarray rwarray.c) + +BuildExtension(time time.c) + +BuildExtension(testext testext.c) + diff --git a/extension/ChangeLog b/extension/ChangeLog index f8d1517e..d179b8e4 100644 --- a/extension/ChangeLog +++ b/extension/ChangeLog @@ -11,6 +11,11 @@ where configure didn't work correctly. Thanks to Nelson Beebe. Update copyright year. +2016-05-26 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * filefuncs.c (func_table): Update "stat" to indicate that the + max # of expected args is 3, not 2. + 2016-01-27 Arnold D. Robbins <arnold@skeeve.com> * filefuncs.c (do_statvfs): Define out f_fsid on AIX. @@ -81,11 +86,19 @@ * 4.1.2: Release tar ball made. +2015-04-16 Arnold D. Robbins <arnold@skeeve.com> + + * configure.ac: Updated by autoupdate. + 2015-04-08 Arnold D. Robbins <arnold@skeeve.com> * Makefile.am, filefuncs.c, inplace.3am, inplace.c: Update copyright years. +2015-03-27 Arnold D. Robbins <arnold@skeeve.com> + + * testext.c: Move test for deferred variables here. + 2015-03-18 Arnold D. Robbins <arnold@skeeve.com> * configure: Updated to libtool 2.4.6. @@ -122,11 +135,86 @@ * testext.c (var_test): Adjust for PROCINFO now being there. +2015-01-06 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * testext.c (test_deferred): New function to help with testing + of deferred variable instantiation. + (do_get_file): Remove unused variable array. + (func_table): Add test_deferred. + +2015-01-05 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * testext.c (test_get_file): Fix error message. + (do_get_file): Implement new function providing low-level access + to the get_file API. + (func_table): Add "get_file" -> do_get_file. + (init_testext): If TESTEXT_QUIET has been set to a numeric value, + return quietly. + +2015-01-02 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * testext.c (test_get_file): The get_file hook no longer takes a + typelen argument. + +2015-01-02 Andrew J. Schorr <aschorr@telemetry-investments.com> + + Remove the select extension, since it will be part of gawkextlib. + * select.c, siglist.h: Deleted. + * Makefile.am (pkgextension_LTLIBRARIES): Remove select.la. + (select_la_SOURCES, select_la_LDFLAGS, select_la_LIBADD): Remove. + (EXTRA_DIST): Remove siglist.h. + * configure.ac (AC_CHECK_HEADERS): Remove signal.h. + (AC_CHECK_FUNCS): Remove fcntl, kill, sigaction, and sigprocmask. + +2014-12-14 Andrew J. Schorr <aschorr@telemetry-investments.com> + + Remove the errno extension, since it is now part of gawkextlib. + * errno.c, errlist.h: Deleted. + * Makefile.am (pkgextension_LTLIBRARIES): Remove errno.la. + (errno_la_SOURCES, errno_la_LDFLAGS, errno_la_LIBADD): Remove. + (EXTRA_DIST): Remove errlist.h. + +2014-12-14 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * readfile.c (read_file_to_buffer): Do not waste a byte at the end of + a string. + * rwarray.c (read_value): Ditto. + * rwarray0.c (read_value): Ditto. + 2014-11-23 Arnold D. Robbins <arnold@skeeve.com> * inplace.c (do_inplace_begin): Jump through hoops to silence GCC warnings about return value of chown. +2014-11-09 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * select.c (do_input_fd): New function to return the input file + descriptor associated with a file/command. + (do_output_fd): New function to return the output file descriptor + associated with a file/command. + (func_table): Add new functions "input_fd" and "output_fd". + * testext.c (test_get_file): Do not use __func__, since it is a C99 + feature, and gawk does not assume C99. + +2014-11-06 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * errno.c (do_errno2name, do_name2errno): Remove unused variable 'str'. + * select.c (do_signal): Remove unused variable 'override'. + (grabfd): New helper function to map a gawk file to the appropriate + fd for use in the arguments to selectd. + (do_select): get_file has 3 new arguments and returns info about both + the input and output buf. + (do_set_non_blocking): Support changes to get_file API. + * testext.c (test_get_file): New test function to check that extension + file creation via the get_file API is working. + +2014-11-05 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * select.c (set_retry): New function to set PROCINFO[<name>, "RETRY"]. + (do_set_non_blocking): If called with a file name as opposed to a file + descriptor, call the set_retry function to configure PROCINFO to tell + io.c to retry I/O for temporary failures. + 2014-10-12 Arnold D. Robbins <arnold@skeeve.com> * Makefile.am (uninstall-so): Remove *.lib too, per suggestion @@ -298,6 +386,108 @@ * gawkdirfd.h (FAKE_FD_VALUE): Move definition up in the file to give clean compile on MinGW. +2013-07-07 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * configure.ac (AC_CHECK_FUNCS): Check for fcntl. + * select.c (set_non_blocking): Check that fcntl and O_NONBLOCK are + available. + +2013-07-07 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * select.c (signal_handler): On platforms lacking sigaction, reset + the signal handler each time a signal is trapped to protect in case + the system resets it to default. + +2013-07-05 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * select.c (signal_result): New function to set result string from + signal function and detect when we need to roll back. + (do_signal): Now takes an optional 3rd override argument. Instead + of returning -1 or 0, we now return information about the previously + installed signal handler: default, ignore, trap, or unknown. An + empty string is returned on error. If it is an unknown handler, + and override is not non-zero, we roll back the handler and return "". + +2013-07-05 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * select.c (set_non_blocking): Do not attempt F_SETFL if F_GETFL fails. + (do_set_non_blocking): Add support for case when called with a single + "" argument. + +2013-07-05 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * select.c (do_signal): If sigaction is unavailable, fall back to + signal and hope that it does the right thing. + +2013-07-05 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * configure.ac (AC_CHECK_FUNCS): Add kill and sigprocmask. + * select.c (get_signal_number): Change error messages since now may + be called by "kill" as well as "select_signal". + (do_signal): Add a lint warning if there are more than 2 args. + (do_kill): Add new function to send a signal. + (do_select): Support platforms where sigprocmask is not available. + There will be a race condition on such platforms, but that is not + easily avoided. + +2013-07-02 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * select.c (do_select): Now that the API flatten_array call has been + patched to ensure that the index values are strings, we can remove + the code to check for the AWK_NUMBER case. + +2013-07-02 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * select.c (do_select): Do not treat a numeric command value as a + file descriptor unless the command type is empty. + +2013-07-02 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * Makefile.am (EXTRA_DIST): Add errlist.h and siglist.h. + +2013-07-02 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * select.c (set_non_blocking): New helper function to call fcntl. + (do_set_non_blocking): Add support for the case where there's a single + integer fd argument. + +2013-07-01 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * select.c (do_set_non_blocking): Implement new set_non_blocking + function. + (func_table): Add set_non_blocking. + +2013-07-01 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * errlist.h: New file containing a list of all the errno values I could + find. + * errno.c: Implement a new errno extension providing strerror, + errno2name, and name2errno. + * Makefile.am (pkgextension_LTLIBRARIES): Add errno.la. + (errno_la_SOURCES, errno_la_LDFLAGS, errno_la_LIBADD): Build new errno + extension. + * select.c (ext_version): Fix version string. + * siglist.h: Update to newest glibc version. + +2013-07-01 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * siglist.h: New file copied from glibc to provide a mapping between + signal number and name. + * select.c: Add a new "select_signal" function and provide support + for trapping signals. + (do_select): Add support for a 5th argument to contain an array + of returned signals. Improve the argument processing, and add + better warning messages. + +2013-06-30 Andrew J. Schorr <aschorr@telemetry-investments.com> + + * Makefile.am (pkgextension_LTLIBRARIES): Add select.la. + (select_la_SOURCES, select_la_LDFLAGS, select_la_LIBADD): Build new + select extension. + * configure.ac (AC_CHECK_HEADERS): Add signal.h. + (AC_CHECK_FUNCS): Add sigaction. + * select.c: Implement the new select extension. + 2013-06-10 Arnold D. Robbins <arnold@skeeve.com> * configure.ac (AC_HEADER_MAJOR): New macro added. diff --git a/extension/configure.ac b/extension/configure.ac index d0eed3cc..b5b27d03 100644 --- a/extension/configure.ac +++ b/extension/configure.ac @@ -23,7 +23,7 @@ dnl dnl Process this file with autoconf to produce a configure script. -AC_INIT([GNU Awk Bundled Extensions], 4.1.4, bug-gawk@gnu.org, gawk-extensions) +AC_INIT([GNU Awk Bundled Extensions],[4.1.4],[bug-gawk@gnu.org],[gawk-extensions]) AC_CONFIG_MACRO_DIR([m4]) AC_CONFIG_AUX_DIR([build-aux]) @@ -42,7 +42,7 @@ AC_CHECK_MEMBERS([struct stat.st_blksize]) AM_PROG_AR AC_SYS_LARGEFILE AC_DISABLE_STATIC -AC_PROG_LIBTOOL +LT_INIT dnl AC_PROG_INSTALL AC_SUBST([pkgextensiondir], ['${libdir}/gawk']) diff --git a/extension/filefuncs.c b/extension/filefuncs.c index b33fcf1f..00387cf9 100644 --- a/extension/filefuncs.c +++ b/extension/filefuncs.c @@ -929,7 +929,7 @@ out: static awk_ext_func_t func_table[] = { { "chdir", do_chdir, 1 }, - { "stat", do_stat, 2 }, + { "stat", do_stat, 3 }, #ifndef __MINGW32__ { "fts", do_fts, 3 }, #endif diff --git a/extension/readfile.c b/extension/readfile.c index d4b4aef9..7673589f 100644 --- a/extension/readfile.c +++ b/extension/readfile.c @@ -82,8 +82,8 @@ read_file_to_buffer(int fd, const struct stat *sbuf) goto done; } - emalloc(text, char *, sbuf->st_size + 2, "do_readfile"); - memset(text, '\0', sbuf->st_size + 2); + emalloc(text, char *, sbuf->st_size + 1, "do_readfile"); + memset(text, '\0', sbuf->st_size + 1); if ((ret = read(fd, text, sbuf->st_size)) != sbuf->st_size) { update_ERRNO_int(errno); diff --git a/extension/rwarray.c b/extension/rwarray.c index 155cc47c..e751ea2c 100644 --- a/extension/rwarray.c +++ b/extension/rwarray.c @@ -457,8 +457,8 @@ read_value(FILE *fp, awk_value_t *value) len = ntohl(len); value->val_type = AWK_STRING; value->str_value.len = len; - value->str_value.str = gawk_malloc(len + 2); - memset(value->str_value.str, '\0', len + 2); + value->str_value.str = gawk_malloc(len + 1); + memset(value->str_value.str, '\0', len + 1); if (fread(value->str_value.str, 1, len, fp) != (ssize_t) len) { gawk_free(value->str_value.str); diff --git a/extension/rwarray0.c b/extension/rwarray0.c index e2de3cf5..ec3663cc 100644 --- a/extension/rwarray0.c +++ b/extension/rwarray0.c @@ -452,8 +452,8 @@ read_value(int fd, awk_value_t *value) len = ntohl(len); value->val_type = AWK_STRING; value->str_value.len = len; - value->str_value.str = malloc(len + 2); - memset(value->str_value.str, '\0', len + 2); + value->str_value.str = malloc(len + 1); + memset(value->str_value.str, '\0', len + 1); if (read(fd, value->str_value.str, len) != (ssize_t) len) { free(value->str_value.str); diff --git a/extension/testext.c b/extension/testext.c index 4a1e7032..e2ddbe87 100644 --- a/extension/testext.c +++ b/extension/testext.c @@ -37,6 +37,7 @@ #include <sys/types.h> #include <sys/stat.h> +#include <fcntl.h> #include "gawkapi.h" @@ -374,6 +375,84 @@ out: } /* + * 3/2015: This test is no longer strictly necessary, + * since PROCINFO is no longer a deferred variable. + * But we leave it in for safety, anyway. + */ +/* +BEGIN { + print "test_deferred returns", test_deferred() + print "" +} +*/ +static awk_value_t * +test_deferred(int nargs, awk_value_t *result) +{ + awk_value_t arr; + awk_value_t index, value; + const struct nval { + const char *name; + double val; + } seed[] = { + { "fubar", 9.0, }, + { "rumpus", -5.0, }, + }; + struct nval sysval[] = { + { "uid", getuid(), }, + { "api_major", GAWK_API_MAJOR_VERSION, }, + }; + size_t i; + + assert(result != NULL); + make_number(0.0, result); + + if (nargs != 0) { + printf("test_deferred: nargs not right (%d should be 0)\n", nargs); + goto out; + } + + if (! sym_lookup("PROCINFO", AWK_ARRAY, & arr)) { + printf("test_deferred: %d: sym_lookup failed\n", __LINE__); + goto out; + } + + for (i = 0; i < sizeof(seed)/sizeof(seed[0]); i++) { + make_const_string(seed[i].name, strlen(seed[i].name), & index); + make_number(seed[i].val, & value); + if (! set_array_element(arr.array_cookie, & index, & value)) { + printf("test_deferred: %d: set_array_element(%s) failed\n", __LINE__, seed[i].name); + goto out; + } + } + + /* test that it still contains the values we loaded */ + for (i = 0; i < sizeof(seed)/sizeof(seed[0]); i++) { + make_const_string(seed[i].name, strlen(seed[i].name), & index); + make_null_string(& value); + if (! get_array_element(arr.array_cookie, &index, AWK_NUMBER, & value)) { + printf("test_deferred: %d: get_array_element(%s) failed\n", __LINE__, seed[i].name); + goto out; + } + printf("%s = %g\n", seed[i].name, value.num_value); + } + + /* check a few automatically-supplied values */ + for (i = 0; i < sizeof(sysval)/sizeof(sysval[0]); i++) { + make_const_string(sysval[i].name, strlen(sysval[i].name), & index); + make_null_string(& value); + if (! get_array_element(arr.array_cookie, &index, AWK_NUMBER, & value)) { + printf("test_deferred: %d: get_array_element(%s) failed\n", __LINE__, sysval[i].name); + goto out; + } + printf("%s matches %d\n", sysval[i].name, (value.num_value == sysval[i].val)); + } + + make_number(1.0, result); +out: + return result; +} + +/* BEGIN { for (i = 1; i <= 10; i++) test_array[i] = i + 2 @@ -710,6 +789,7 @@ BEGIN { ret = test_indirect_vars() # should get correct value of NR printf("test_indirect_var() return %d\n", ret) delete ARGV[1] + print "" } */ @@ -742,6 +822,124 @@ out: return result; } +/* +BEGIN { + outfile = "testexttmp.txt" + alias = ".test.alias" + print "line 1" > outfile + print "line 2" > outfile + print "line 3" > outfile + close(outfile) + ret = test_get_file(outfile, alias) + printf "test_get_file returned %d\n", ret + nr = 0 + while ((getline < alias) > 0) + printf "File [%s] nr [%s]: %s\n", alias, ++nr, $0 + close(alias) + system("rm " outfile) + print "" +} +*/ + +/* test_get_file --- test that we can create a file */ + +static awk_value_t * +test_get_file(int nargs, awk_value_t *result) +{ + awk_value_t filename, alias; + int fd; + const awk_input_buf_t *ibuf; + const awk_output_buf_t *obuf; + + if (nargs != 2) { + printf("%s: nargs not right (%d should be 2)\n", "test_get_file", nargs); + return make_number(-1.0, result); + } + + if (! get_argument(0, AWK_STRING, & filename)) { + printf("%s: cannot get first arg\n", "test_get_file"); + return make_number(-1.0, result); + } + if (! get_argument(1, AWK_STRING, & alias)) { + printf("%s: cannot get second arg\n", "test_get_file"); + return make_number(-1.0, result); + } + if ((fd = open(filename.str_value.str, O_RDONLY)) < 0) { + printf("%s: open(%s) failed\n", "test_get_file", filename.str_value.str); + return make_number(-1.0, result); + } + if (! get_file(alias.str_value.str, strlen(alias.str_value.str), "<", fd, &ibuf, &obuf)) { + printf("%s: get_file(%s) failed\n", "test_get_file", alias.str_value.str); + return make_number(-1.0, result); + } + if (! ibuf || ibuf->fd != fd) { + printf("%s: get_file(%s) returned fd %d instead of %d\n", "test_get_file", alias.str_value.str, ibuf ? ibuf->fd : -1, fd); + return make_number(-1.0, result); + } + return make_number(0.0, result); +} + +/* do_get_file --- provide access to get_file API */ + +static awk_value_t * +do_get_file(int nargs, awk_value_t *result) +{ + awk_value_t filename, filetype, fd, res; + const awk_input_buf_t *ibuf; + const awk_output_buf_t *obuf; + + if (nargs != 4) { + printf("%s: nargs not right (%d should be 4)\n", "get_file", nargs); + return make_number(-1.0, result); + } + + if (! get_argument(0, AWK_STRING, & filename)) { + printf("%s: cannot get first arg\n", "get_file"); + return make_number(-1.0, result); + } + if (! get_argument(1, AWK_STRING, & filetype)) { + printf("%s: cannot get second arg\n", "get_file"); + return make_number(-1.0, result); + } + if (! get_argument(2, AWK_NUMBER, & fd)) { + printf("%s: cannot get third arg\n", "get_file"); + return make_number(-1.0, result); + } + if (! get_argument(3, AWK_ARRAY, & res)) { + printf("%s: cannot get fourth arg\n", "get_file"); + return make_number(-1.0, result); + } + clear_array(res.array_cookie); + + if (! get_file(filename.str_value.str, strlen(filename.str_value.str), filetype.str_value.str, fd.num_value, &ibuf, &obuf)) { + printf("%s: get_file(%s, %s, %d) failed\n", "get_file", filename.str_value.str, filetype.str_value.str, (int)(fd.num_value)); + return make_number(0.0, result); + } + + if (ibuf) { + awk_value_t idx, val; + set_array_element(res.array_cookie, + make_const_string("input", 5, & idx), + make_number(ibuf->fd, & val)); + if (ibuf->name) + set_array_element(res.array_cookie, + make_const_string("input_name", 10, & idx), + make_const_string(ibuf->name, strlen(ibuf->name), & val)); + } + if (obuf) { + awk_value_t idx, val; + set_array_element(res.array_cookie, + make_const_string("output", 6, & idx), + make_number(obuf->fp ? fileno(obuf->fp) : -1, + & val)); + if (obuf->name) + set_array_element(res.array_cookie, + make_const_string("output_name", 11, & idx), + make_const_string(obuf->name, strlen(obuf->name), & val)); + } + return make_number(1.0, result); +} + /* fill_in_array --- fill in a new array */ static void @@ -829,6 +1027,7 @@ static awk_ext_func_t func_table[] = { { "dump_array_and_delete", dump_array_and_delete, 2 }, { "try_modify_environ", try_modify_environ, 0 }, { "var_test", var_test, 1 }, + { "test_deferred", test_deferred, 0 }, { "test_errno", test_errno, 0 }, { "test_array_size", test_array_size, 1 }, { "test_array_elem", test_array_elem, 2 }, @@ -837,6 +1036,8 @@ static awk_ext_func_t func_table[] = { { "test_scalar", test_scalar, 1 }, { "test_scalar_reserved", test_scalar_reserved, 0 }, { "test_indirect_vars", test_indirect_vars, 0 }, + { "test_get_file", test_get_file, 2 }, + { "get_file", do_get_file, 4 }, }; /* init_testext --- additional initialization function */ @@ -847,6 +1048,10 @@ static awk_bool_t init_testext(void) static const char message[] = "hello, world"; /* of course */ static const char message2[] = "i am a scalar"; + /* This is used by the getfile test */ + if (sym_lookup("TESTEXT_QUIET", AWK_NUMBER, & value)) + return awk_true; + /* add at_exit functions */ awk_atexit(at_exit0, NULL); awk_atexit(at_exit1, & data_for_1); |