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eaff70b558
The semantics of the example remain unchanged. This change is in preparation for the new Clang based header generator, which will parse most files in C++ mode. `ptrace`'s first argument cannot me implicitly converted from `int` in C++. PiperOrigin-RevId: 343280691 Change-Id: Ibc5318b19a48f1dad441e7dcdc318dc5ea6837f6
100 lines
2.0 KiB
C
100 lines
2.0 KiB
C
// Copyright 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/ptrace.h>
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int sumsymbol = 5;
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typedef struct sum_params_s {
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int a;
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int b;
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int ret;
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} sum_params;
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extern int ftest(FILE *f) {
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return f->_offset;
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}
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extern int sum(int a, int b) {
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return a + b;
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}
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extern void sums(sum_params* params) {
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params->ret = params->a + params->b;
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}
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extern long double addf(float a, double b, long double c) {
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return a + b + c;
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}
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extern int sub(int a, int b) {
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return a - b;
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}
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extern int mul(int a, int b) {
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return a * b;
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}
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extern int divs(int a, int b) {
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return a / b;
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}
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extern double muld(double a, float b) {
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return a * b;
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}
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extern void crash(void) {
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void(*die)() = (void(*)())(0x0000dead);
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die();
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}
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extern void violate(void) {
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// Issue a PTRACE_CONT that will always fail, since we are not in stopped
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// state. The actual call should be caught by the sandbox policy.
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ptrace(PTRACE_CONT, 0, NULL, NULL);
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}
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extern int sumarr(int* input, size_t nelem) {
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int s = 0, i;
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for (i = 0; i < nelem; i++) {
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s += input[i];
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}
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return s;
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}
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extern void testptr(void *ptr) {
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if (ptr) {
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puts("Is Not a NULL-ptr");
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} else {
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puts("Is a NULL-ptr");
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}
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}
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extern int read_int(int fd) {
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char buf[10] = {0};
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int ret = read(fd, buf, sizeof(buf) - 1);
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if(ret > 0) {
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ret = atoi(buf);
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}
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return ret;
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}
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extern void sleep_for_sec(int sec) {
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sleep(sec);
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}
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