forked from OSchip/llvm-project
37 lines
958 B
C++
37 lines
958 B
C++
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// Test that ASan doesn't raise false alarm when MSG_TRUNC is present.
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//
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// RUN: %clangxx %s -o %t && %run %t 2>&1
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//
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// UNSUPPORTED: android
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/ip.h>
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#include <assert.h>
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int main() {
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int fd_0 = socket(AF_INET, SOCK_DGRAM, 0);
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int fd_1 = socket(AF_INET, SOCK_DGRAM, 0);
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struct sockaddr_in sin;
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socklen_t len = sizeof(sin);
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char *buf = (char *)malloc(1);
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sin.sin_family = AF_INET;
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// Choose a random port to bind.
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sin.sin_port = 0;
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sin.sin_addr.s_addr = INADDR_ANY;
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assert(bind(fd_1, (struct sockaddr *)&sin, sizeof(sin)) == 0);
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// Get the address and port binded.
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assert(getsockname(fd_1, (struct sockaddr *)&sin, &len) == 0);
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assert(sendto(fd_0, "hello", strlen("hello"), MSG_DONTWAIT,
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(struct sockaddr *)&sin, sizeof(sin)) != -1);
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assert(recv(fd_1, buf, 1, MSG_TRUNC) != -1);
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free(buf);
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return 0;
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}
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