/*
* testext.c - tests for the extension API.
*/
/*
* Copyright (C) 2012, 2013, 2014, 2015
* 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
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "gawkapi.h"
static const gawk_api_t *api; /* for convenience macros to work */
static awk_ext_id_t ext_id;
static const char *ext_version = "testext extension: version 1.0";
int plugin_is_GPL_compatible;
static void fill_in_array(awk_value_t *value);
#ifdef __MINGW32__
unsigned int
getuid (void)
{
/* See pc/getid.c. */
return 0;
}
#endif
/* valrep2str --- turn a value into a string */
static const char *
valrep2str(const awk_value_t *value)
{
static char buf[BUFSIZ];
int size = BUFSIZ - 3;
switch (value->val_type) {
case AWK_UNDEFINED:
strcpy(buf, "<undefined>");
break;
case AWK_ARRAY:
strcpy(buf, "<array>");
break;
case AWK_SCALAR:
strcpy(buf, "<scalar>");
break;
case AWK_VALUE_COOKIE:
strcpy(buf, "<value-cookie>");
break;
case AWK_REGEX:
case AWK_STRNUM:
case AWK_STRING:
if (value->str_value.len < size)
size = value->str_value.len;
sprintf(buf, "\"%.*s\"",
size,
value->str_value.str);
break;
case AWK_NUMBER:
sprintf(buf, "%g", value->num_value);
break;
}
return buf;
}
/*
* The awk code for these tests is embedded in this file and then extracted
* dynamically to create the script that is run together with this extension.
* Extraction requires the format for awk code where test code is enclosed
* in a BEGIN block, with the BEGIN and close brace on lines by themselves
* and at the front of the lines.
*/
/*
@load "testext"
BEGIN {
n = split("blacky rusty sophie raincloud lucky", pets)
printf("pets has %d elements\n", length(pets))
ret = dump_array_and_delete("pets", "3")
printf("dump_array_and_delete(pets) returned %d\n", ret)
if ("3" in pets)
printf("dump_array_and_delete() did NOT remove index \"3\"!\n")
else
printf("dump_array_and_delete() did remove index \"3\"!\n")
print ""
}
*/
static awk_value_t *
dump_array_and_delete(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
awk_value_t value, value2, value3;
awk_flat_array_t *flat_array;
size_t count;
char *name;
int i;
assert(result != NULL);
make_number(0.0, result);
if (nargs != 2) {
printf("dump_array_and_delete: nargs not right (%d should be 2)\n", nargs);
goto out;
}
/* get argument named array as flat array and print it */
if (get_argument(0, AWK_STRING, & value)) {
name = value.str_value.str;
if (sym_lookup(name, AWK_ARRAY, & value2))
printf("dump_array_and_delete: sym_lookup of %s passed\n", name);
else {
printf("dump_array_and_delete: sym_lookup of %s failed\n", name);
goto out;
}
} else {
printf("dump_array_and_delete: get_argument(0) failed\n");
goto out;
}
if (! get_element_count(value2.array_cookie, & count)) {
printf("dump_array_and_delete: get_element_count failed\n");
goto out;
}
printf("dump_array_and_delete: incoming size is %lu\n", (unsigned long) count);
if (! flatten_array(value2.array_cookie, & flat_array)) {
printf("dump_array_and_delete: could not flatten array\n");
goto out;
}
if (flat_array->count != count) {
printf("dump_array_and_delete: flat_array->count (%lu) != count (%lu)\n",
(unsigned long) flat_array->count,
(unsigned long) count);
goto out;
}
if (! get_argument(1, AWK_STRING, & value3)) {
printf("dump_array_and_delete: get_argument(1) failed\n");
goto out;
}
for (i = 0; i < flat_array->count; i++) {
printf("\t%s[\"%.*s\"] = %s\n",
name,
(int) flat_array->elements[i].index.str_value.len,
flat_array->elements[i].index.str_value.str,
valrep2str(& flat_array->elements[i].value));
if (strcmp(value3.str_value.str, flat_array->elements[i].index.str_value.str) == 0) {
flat_array->elements[i].flags |= AWK_ELEMENT_DELETE;
printf("dump_array_and_delete: marking element \"%s\" for deletion\n",
flat_array->elements[i].index.str_value.str);
}
}
if (! release_flattened_array(value2.array_cookie, flat_array)) {
printf("dump_array_and_delete: could not release flattened array\n");
goto out;
}
make_number(1.0, result);
out:
return result;
}
/*
BEGIN {
ENVIRON["testext"]++
try_modify_environ()
if ("testext" in ENVIRON)
print "try_del_environ() could not delete element - pass"
else
print "try_del_environ() deleted element! - fail"
if ("testext2" in ENVIRON)
print "try_del_environ() added an element - fail"
else
print "try_del_environ() could not add an element - pass"
}
*/
static awk_value_t *
try_modify_environ(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
awk_value_t value, index, newvalue;
awk_flat_array_t *flat_array;
awk_array_t environ_array;
size_t count;
int i;
assert(result != NULL);
make_number(0.0, result);
if (nargs != 0) {
printf("try_modify_environ: nargs not right (%d should be 0)\n", nargs);
goto out;
}
/* get ENVIRON array */
if (sym_lookup("ENVIRON", AWK_ARRAY, & value))
printf("try_modify_environ: sym_lookup of ENVIRON passed\n");
else {
printf("try_modify_environ: sym_lookup of ENVIRON failed\n");
goto out;
}
environ_array = value.array_cookie;
if (! get_element_count(environ_array, & count)) {
printf("try_modify_environ: get_element_count failed\n");
goto out;
}
/* setting an array element should fail */
(void) make_const_string("testext2", 8, & index);
(void) make_const_string("a value", 7, & value);
if (set_array_element(environ_array, & index, & newvalue)) {
printf("try_modify_environ: set_array_element of ENVIRON passed\n");
} else {
printf("try_modify_environ: set_array_element of ENVIRON failed\n");
gawk_free(index.str_value.str);
gawk_free(value.str_value.str);
}
if (! flatten_array(environ_array, & flat_array)) {
printf("try_modify_environ: could not flatten array\n");
goto out;
}
if (flat_array->count != count) {
printf("try_modify_environ: flat_array->count (%lu) != count (%lu)\n",
(unsigned long) flat_array->count,
(unsigned long) count);
goto out;
}
for (i = 0; i < flat_array->count; i++) {
/* don't print */
/*
printf("\t%s[\"%.*s\"] = %s\n",
name,
(int) flat_array->elements[i].index.str_value.len,
flat_array->elements[i].index.str_value.str,
valrep2str(& flat_array->elements[i].value));
*/
if (strcmp("testext", flat_array->elements[i].index.str_value.str) == 0) {
flat_array->elements[i].flags |= AWK_ELEMENT_DELETE;
printf("try_modify_environ: marking element \"%s\" for deletion\n",
flat_array->elements[i].index.str_value.str);
}
}
if (! release_flattened_array(environ_array, flat_array)) {
printf("try_modify_environ: could not release flattened array\n");
goto out;
}
make_number(1.0, result);
out:
return result;
}
/*
BEGIN {
testvar = "One Adam Twelve"
ret = var_test("testvar")
printf("var_test() returned %d, test_var = %s\n", ret, testvar)
print ""
}
*/
static awk_value_t *
var_test(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
awk_value_t value, value2;
awk_value_t *valp;
assert(result != NULL);
make_number(0.0, result);
if (nargs != 1) {
printf("var_test: nargs not right (%d should be 1)\n", nargs);
goto out;
}
/* look up PROCINFO - should succeed fail */
if (sym_lookup("PROCINFO", AWK_ARRAY, & value))
printf("var_test: sym_lookup of PROCINFO passed - got a value!\n");
else
printf("var_test: sym_lookup of PROCINFO failed - did not get a value\n");
/* look up a reserved variable - should pass */
if (sym_lookup("ARGC", AWK_NUMBER, & value))
printf("var_test: sym_lookup of ARGC passed - got a value!\n");
else
printf("var_test: sym_lookup of ARGC failed - did not get a value\n");
/* now try to set it - should fail */
value.num_value++;
if (sym_update("ARGC", & value))
printf("var_test: sym_update of ARGC passed and should not have!\n");
else
printf("var_test: sym_update of ARGC failed - correctly\n");
/* look up variable whose name is passed in, should pass */
if (get_argument(0, AWK_STRING, & value)) {
if (sym_lookup(value.str_value.str, AWK_STRING, & value2)) {
/* change the value, should be reflected in awk script */
valp = make_number(42.0, & value2);
if (sym_update(value.str_value.str, valp)) {
printf("var_test: sym_update(\"%s\") succeeded\n", value.str_value.str);
} else {
printf("var_test: sym_update(\"%s\") failed\n", value.str_value.str);
goto out;
}
} else {
printf("var_test: sym_lookup(\"%s\") failed\n", value.str_value.str);
goto out;
}
} else {
printf("var_test: get_argument() failed\n");
goto out;
}
make_number(1.0, result);
out:
return result;
}
/*
BEGIN {
ERRNO = ""
ret = test_errno()
printf("test_errno() returned %d, ERRNO = %s\n", ret, ERRNO)
print ""
}
*/
static awk_value_t *
test_errno(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
assert(result != NULL);
make_number(0.0, result);
if (nargs != 0) {
printf("test_errno: nargs not right (%d should be 0)\n", nargs);
goto out;
}
update_ERRNO_int(ECHILD);
make_number(1.0, result);
out:
return result;
}
/*
* 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, struct awk_ext_func *unused)
{
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
printf("length of test_array is %d, should be 10\n", length(test_array))
ret = test_array_size(test_array);
printf("test_array_size() returned %d, length is now %d\n", ret, length(test_array))
print ""
}
*/
static awk_value_t *
test_array_size(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
awk_value_t value;
size_t count = 0;
assert(result != NULL);
make_number(0.0, result);
if (nargs != 1) {
printf("test_array_size: nargs not right (%d should be 1)\n", nargs);
goto out;
}
/* get element count and print it; should match length(array) from awk script */
if (! get_argument(0, AWK_ARRAY, & value)) {
printf("test_array_size: get_argument failed\n");
goto out;
}
if (! get_element_count(value.array_cookie, & count)) {
printf("test_array_size: get_element_count failed\n");
goto out;
}
printf("test_array_size: incoming size is %lu\n", (unsigned long) count);
/* clear array - length(array) should then go to zero in script */
if (! clear_array(value.array_cookie)) {
printf("test_array_size: clear_array failed\n");
goto out;
}
make_number(1.0, result);
out:
return result;
}
/*
BEGIN {
n = split("one two three four five six", test_array2)
ret = test_array_elem(test_array2, "3")
printf("test_array_elem() returned %d, test_array2[3] = %g\n", ret, test_array2[3])
if ("5" in test_array2)
printf("error: test_array_elem() did not remove element \"5\"\n")
else
printf("test_array_elem() did remove element \"5\"\n")
if ("7" in test_array2)
printf("test_array_elem() added element \"7\" --> %s\n", test_array2[7])
else
printf("test_array_elem() did not add element \"7\"\n")
if ("subarray" in test_array2) {
if (isarray(test_array2["subarray"])) {
for (i in test_array2["subarray"])
printf("test_array2[\"subarray\"][\"%s\"] = %s\n",
i, test_array2["subarray"][i])
} else
printf("test_array_elem() added element \"subarray\" as scalar\n")
} else
printf("test_array_elem() did not add element \"subarray\"\n")
print ""
}
*/
static awk_value_t *
test_array_elem(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
awk_value_t array, index, index2, value;
make_number(0.0, result); /* default return until full success */
assert(result != NULL);
if (nargs != 2) {
printf("test_array_elem: nargs not right (%d should be 2)\n", nargs);
goto out;
}
/* look up an array element and print the value */
if (! get_argument(0, AWK_ARRAY, & array)) {
printf("test_array_elem: get_argument 0 (array) failed\n");
goto out;
}
if (! get_argument(1, AWK_STRING, & index)) {
printf("test_array_elem: get_argument 1 (index) failed\n");
goto out;
}
(void) make_const_string(index.str_value.str, index.str_value.len, & index2);
if (! get_array_element(array.array_cookie, & index2, AWK_UNDEFINED, & value)) {
printf("test_array_elem: get_array_element failed\n");
goto out;
}
printf("test_array_elem: a[\"%.*s\"] = %s\n",
(int) index.str_value.len,
index.str_value.str,
valrep2str(& value));
/* change the element - "3" */
(void) make_number(42.0, & value);
(void) make_const_string(index.str_value.str, index.str_value.len, & index2);
if (! set_array_element(array.array_cookie, & index2, & value)) {
printf("test_array_elem: set_array_element failed\n");
goto out;
}
/* delete another element - "5" */
(void) make_const_string("5", 1, & index);
if (! del_array_element(array.array_cookie, & index)) {
printf("test_array_elem: del_array_element failed\n");
goto out;
}
/* add a new element - "7" */
(void) make_const_string("7", 1, & index);
(void) make_const_string("seven", 5, & value);
if (! set_array_element(array.array_cookie, & index, & value)) {
printf("test_array_elem: set_array_element failed\n");
goto out;
}
/* add a subarray */
(void) make_const_string("subarray", 8, & index);
fill_in_array(& value);
if (! set_array_element(array.array_cookie, & index, & value)) {
printf("test_array_elem: set_array_element (subarray) failed\n");
goto out;
}
/* change and deletion should be reflected in awk script */
make_number(1.0, result);
out:
return result;
}
/*
BEGIN {
ret = test_array_param(a_new_array)
printf("test_array_param() returned %d\n", ret)
printf("isarray(a_new_array) = %d\n", isarray(a_new_array))
if (isarray(a_new_array))
for (i in a_new_array)
printf("a_new_array[\"%s\"] = %s\n",
i, a_new_array[i])
a_scalar = 42
ret = test_array_param(a_scalar)
printf("test_array_param() returned %d\n", ret)
printf("isarray(a_scalar) = %d\n", isarray(a_scalar))
print ""
}
*/
static awk_value_t *
test_array_param(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
awk_value_t new_array;
awk_value_t arg0;
(void) nargs; /* silence warnings */
make_number(0.0, result);
if (! get_argument(0, AWK_UNDEFINED, & arg0)) {
printf("test_array_param: could not get argument\n");
goto out;
}
if (arg0.val_type != AWK_UNDEFINED) {
printf("test_array_param: argument is not undefined (%d)\n",
arg0.val_type);
goto out;
}
fill_in_array(& new_array);
if (! set_argument(0, new_array.array_cookie)) {
printf("test_array_param: could not change type of argument\n");
goto out;
}
make_number(1.0, result);
out:
return result; /* for now */
}
/*
BEGIN {
printf("Initial value of LINT is %d\n", LINT)
ret = print_do_lint();
printf("print_do_lint() returned %d\n", ret)
LINT = ! LINT
printf("Changed value of LINT is %d\n", LINT)
ret = print_do_lint();
printf("print_do_lint() returned %d\n", ret)
print ""
}
*/
static awk_value_t *
print_do_lint(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
assert(result != NULL);
make_number(0.0, result);
if (nargs != 0) {
printf("print_do_lint: nargs not right (%d should be 0)\n", nargs);
goto out;
}
printf("print_do_lint: lint = %d\n", do_lint);
make_number(1.0, result);
out:
return result;
}
/*
BEGIN {
n = split("1 3 5 7 9 11", nums)
m = split("the quick brown fox jumps over the lazy dog", strings)
for (i in nums) {
ret = test_scalar(nums[i] + 0)
printf("test_scalar(%d) returned %d, the_scalar is %d\n", nums[i], ret, the_scalar)
}
for (i in strings) {
ret = test_scalar(strings[i])
printf("test_scalar(%s) returned %d, the_scalar is %s\n", strings[i], ret, the_scalar)
}
}
*/
/* test_scalar --- test scalar cookie */
static awk_value_t *
test_scalar(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
awk_value_t new_value, new_value2;
awk_value_t the_scalar;
(void) nargs; /* silence warnings */
make_number(0.0, result);
if (! sym_lookup("the_scalar", AWK_SCALAR, & the_scalar)) {
printf("test_scalar: could not get scalar cookie\n");
goto out;
}
if (! get_argument(0, AWK_UNDEFINED, & new_value)) {
printf("test_scalar: could not get argument\n");
goto out;
} else if (new_value.val_type != AWK_STRING && new_value.val_type != AWK_NUMBER) {
printf("test_scalar: argument is not a scalar\n");
goto out;
}
if (new_value.val_type == AWK_STRING) {
make_const_string(new_value.str_value.str, new_value.str_value.len, & new_value2);
} else {
new_value2 = new_value;
}
if (! sym_update_scalar(the_scalar.scalar_cookie, & new_value2)) {
printf("test_scalar: could not update new_value2!\n");
goto out;
}
make_number(1.0, result);
out:
return result;
}
/*
BEGIN {
test_scalar_reserved()
}
*/
/* test_scalar_reserved --- test scalar cookie on special variable */
static awk_value_t *
test_scalar_reserved(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
awk_value_t new_value;
awk_value_t the_scalar;
(void) nargs; /* silence warnings */
make_number(0.0, result);
/* look up a reserved variable - should pass */
if (sym_lookup("ARGC", AWK_SCALAR, & the_scalar)) {
printf("test_scalar_reserved: sym_lookup of ARGC passed - got a value!\n");
} else {
printf("test_scalar_reserved: sym_lookup of ARGC failed - did not get a value\n");
goto out;
}
/* updating it should fail */
make_number(42.0, & new_value);
if (! sym_update_scalar(the_scalar.scalar_cookie, & new_value)) {
printf("test_scalar_reserved: could not update new_value2 for ARGC - pass\n");
} else {
printf("test_scalar_reserved: was able to update new_value2 for ARGC - fail\n");
goto out;
}
make_number(1.0, result);
out:
return result;
}
/*
BEGIN {
print "line 1" > "testexttmp.txt"
print "line 2" > "testexttmp.txt"
print "line 3" > "testexttmp.txt"
close("testexttmp.txt")
ARGV[1] = "testexttmp.txt"
ARGC = 2
getline
getline
getline # now NR should be 3
# system("rm testexttmp.txt")
ret = test_indirect_vars() # should get correct value of NR
printf("test_indirect_var() return %d\n", ret)
delete ARGV[1]
print ""
}
*/
/* test_indirect_vars --- test that access to NR, NF, get correct vales */
static awk_value_t *
test_indirect_vars(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
awk_value_t value;
char *name = "NR";
(void) nargs; /* silence warnings */
assert(result != NULL);
make_number(0.0, result);
/* system("rm testexttmp.txt") */
(void) unlink("testexttmp.txt");
if (sym_lookup(name, AWK_NUMBER, & value))
printf("test_indirect_var: sym_lookup of %s passed\n", name);
else {
printf("test_indirect_var: sym_lookup of %s failed\n", name);
goto out;
}
printf("test_indirect_var: value of NR is %g\n", value.num_value);
make_number(1.0, result);
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, struct awk_ext_func *unused)
{
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, struct awk_ext_func *unused)
{
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
fill_in_array(awk_value_t *new_array)
{
awk_array_t a_cookie;
awk_value_t index, value;
a_cookie = create_array();
(void) make_const_string("hello", 5, & index);
(void) make_const_string("world", 5, & value);
if (! set_array_element(a_cookie, & index, & value)) {
printf("fill_in_array:%d: set_array_element failed\n", __LINE__);
return;
}
(void) make_const_string("answer", 6, & index);
(void) make_number(42.0, & value);
if (! set_array_element(a_cookie, & index, & value)) {
printf("fill_in_array:%d: set_array_element failed\n", __LINE__);
return;
}
new_array->val_type = AWK_ARRAY;
new_array->array_cookie = a_cookie;
}
/* create_new_array --- create a named array */
static void
create_new_array()
{
awk_value_t value;
fill_in_array(& value);
if (! sym_update("new_array", & value))
printf("create_new_array: sym_update(\"new_array\") failed!\n");
}
/* at_exit0 --- first at_exit program, runs last */
static void at_exit0(void *data, int exit_status)
{
printf("at_exit0 called (should be third):");
if (data)
printf(" data = %p,", data);
else
printf(" data = NULL,");
printf(" exit_status = %d\n", exit_status);
}
/* at_exit1 --- second at_exit program, runs second */
static int data_for_1 = 0xDeadBeef;
static void at_exit1(void *data, int exit_status)
{
int *data_p = (int *) data;
printf("at_exit1 called (should be second):");
if (data) {
if (data == & data_for_1)
printf(" (data is & data_for_1),");
else
printf(" (data is NOT & data_for_1),");
printf(" data value = %#x,", *data_p);
} else
printf(" data = NULL,");
printf(" exit_status = %d\n", exit_status);
}
/* at_exit2 --- third at_exit program, runs first */
static void at_exit2(void *data, int exit_status)
{
printf("at_exit2 called (should be first):");
if (data)
printf(" data = %p,", data);
else
printf(" data = NULL,");
printf(" exit_status = %d\n", exit_status);
}
static awk_ext_func_t func_table[] = {
{ "dump_array_and_delete", dump_array_and_delete, 2, 2, awk_false, NULL },
{ "try_modify_environ", try_modify_environ, 0, 0, awk_false, NULL },
{ "var_test", var_test, 1, 1, awk_false, NULL },
{ "test_deferred", test_deferred, 0, 0, awk_false, NULL },
{ "test_errno", test_errno, 0, 0, awk_false, NULL },
{ "test_array_size", test_array_size, 1, 1, awk_false, NULL },
{ "test_array_elem", test_array_elem, 2, 2, awk_false, NULL },
{ "test_array_param", test_array_param, 1, 1, awk_false, NULL },
{ "print_do_lint", print_do_lint, 0, 0, awk_false, NULL },
{ "test_scalar", test_scalar, 1, 1, awk_false, NULL },
{ "test_scalar_reserved", test_scalar_reserved, 0, 0, awk_false, NULL },
{ "test_indirect_vars", test_indirect_vars, 0, 0, awk_false, NULL },
{ "test_get_file", test_get_file, 2, 2, awk_false, NULL },
{ "get_file", do_get_file, 4, 4, awk_false, NULL },
};
/* init_testext --- additional initialization function */
static awk_bool_t init_testext(void)
{
awk_value_t value;
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);
awk_atexit(at_exit2, NULL);
/*
BEGIN {
printf("answer_num = %g\n", answer_num);
printf("message_string = %s\n", message_string);
for (i in new_array)
printf("new_array[\"%s\"] = \"%s\"\n", i, new_array[i])
print ""
}
*/
/* install some variables */
if (! sym_update("answer_num", make_number(42, & value)))
printf("testext: sym_update(\"answer_num\") failed!\n");
if (! sym_update("message_string",
make_const_string(message, strlen(message), & value)))
printf("testext: sym_update(\"answer_num\") failed!\n");
if (! sym_update("the_scalar",
make_const_string(message2, strlen(message2), & value)))
printf("testext: sym_update(\"the_scalar\") failed!\n");
create_new_array();
return awk_true;
}
static awk_bool_t (*init_func)(void) = init_testext;
dl_load_func(func_table, testext, "")