forked from OSchip/llvm-project
70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
// RUN: %clangxx -std=c++11 -O0 -g %s -o %t
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// RUN: %clangxx -fno-sanitize=all -std=c++11 -O0 -g %s -o %t.nosan
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// RUN: diff <(%run %t 2>&1) <(%run %t.nosan 2>&1)
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// REQUIRES: !android
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#include <assert.h>
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#include <errno.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <string>
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std::string any_name;
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int total_count;
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void print_protoent(protoent *curr_entry) {
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fprintf(stderr, "%s (%d)\n", curr_entry->p_name, curr_entry->p_proto);
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char **aliases = curr_entry->p_aliases;
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while (char *alias = *aliases++) {
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fprintf(stderr, " alias %s\n", alias);
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}
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}
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void print_all_protoent() {
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protoent entry;
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char buf[1024];
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protoent *curr_entry;
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while (getprotoent_r(&entry, buf, sizeof(buf), &curr_entry) != ENOENT && curr_entry) {
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++total_count;
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any_name = curr_entry->p_name;
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print_protoent(curr_entry);
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}
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}
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void print_protoent_by_name(const char *name) {
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protoent entry;
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char buf[1024];
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protoent *curr_entry;
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int res = getprotobyname_r(name, &entry, buf, sizeof(buf), &curr_entry);
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assert(!res && curr_entry);
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print_protoent(curr_entry);
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}
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void print_protoent_by_num(int num) {
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protoent entry;
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char buf[1024];
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protoent *curr_entry;
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int res = getprotobynumber_r(num, &entry, buf, sizeof(buf), &curr_entry);
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assert(!res && curr_entry);
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print_protoent(curr_entry);
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}
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int main() {
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fprintf(stderr, "All protoent\n");
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print_all_protoent();
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if (!total_count)
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return 0;
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fprintf(stderr, "Protoent by name\n");
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print_protoent_by_name(any_name.c_str());
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fprintf(stderr, "Protoent by num\n");
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print_protoent_by_num(total_count / 2);
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return 0;
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}
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