59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
// This is a personal academic project. Dear PVS-Studio, please check it.
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// PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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#include "include/client.h"
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void setSockAddress(int argc, char *argv[], struct sockaddr_in * address);
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int main(int argc, char *argv[]) {
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int fd;
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if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
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printSystemError("User: socket()");
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struct sockaddr_in serv_addr;
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setSockAddress(argc, argv, &serv_addr);
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if (connect(fd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0)
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printSystemError("User: connect()");
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char input[MAX_LEN] = {0};
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int readChars;
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while ((readChars = read(STDIN_FILENO, input, MAX_LEN - 1)) != 0) {
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if (readChars < 0)
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printSystemError("User: read()");
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input[readChars] = '\0';
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if (write(fd, input, readChars) < 0)
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printSystemError("User: write()");
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}
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close(fd);
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return EXIT_SUCCESS;
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}
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void setSockAddress(int argc, char *argv[], struct sockaddr_in * address) {
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address->sin_family = AF_INET;
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if (argc == 1) {
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address->sin_addr.s_addr = inet_addr(ADDRESS);
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address->sin_port = htons(PORT);
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}
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int opt;
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while ((opt = getopt(argc, argv, "a:p:")) != -1) {
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switch (opt) {
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case 'a':
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if (optarg[0] == '-')
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printError("Usage: server [-a address] [-p port]\n");
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address->sin_addr.s_addr = inet_addr(optarg);
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break;
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case 'p':
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if (optarg[0] == '-')
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printError("Usage: server [-a address] [-p port]\n");
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address->sin_port = htons(atoi(optarg));
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break;
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default:
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printError("Usage: server [-a address] [-p port]\n");
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}
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}
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} |