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Annotation of researchv10no/cmd/books.c, revision 1.1

1.1     ! root        1: #include <stdio.h>
        !             2: #include <signal.h>
        !             3: #include <time.h>
        !             4: 
        !             5: inter()
        !             6: {
        !             7:        printf("interrupted - no orders sent\n");
        !             8:        exit(0);
        !             9: }
        !            10: 
        !            11: struct Data {
        !            12:        char *prompt;
        !            13:        char store[512];
        !            14: } data[] = {
        !            15:        { "Book title", "" },
        !            16:        { "Author(s)",  "" },
        !            17:        { "Publisher", "" },
        !            18:        { "Publication Date", "" },
        !            19:        { "ISBN",       "" },
        !            20:        { "Other info (e.g. volume,edition,paperback)", "" },
        !            21:        { "Estimated price",    "" },
        !            22:        { "Number of copies",   "" },
        !            23:        { 0, 0 }
        !            24: };
        !            25: 
        !            26: main(argc, argv)
        !            27:        char *argv[];
        !            28: {
        !            29:        int i, cnt=0; char More[8];
        !            30:        FILE *fd, *fdtmp;
        !            31:        char Tmp[L_tmpnam], User[64], Log1[512], Log2[512], Sharon[512];
        !            32:        long clock = time(0L);
        !            33:        struct tm *tm = localtime(&clock);
        !            34: 
        !            35:        signal(SIGINT, inter);
        !            36:        printf("1127 - Fast(er) Book Ordering System\n");
        !            37:        printf("====================================\n");
        !            38:        fflush(stdout);
        !            39: 
        !            40:        if ((fd = fopen("/lib/book_orders", "a")) == NULL)
        !            41:        {       printf("error: cannot open /lib/book_orders\n");
        !            42:                exit(1);
        !            43:        }
        !            44:        tmpnam(Tmp);
        !            45:        if ((fdtmp = fopen(Tmp, "w")) == NULL)
        !            46:        {       printf("error: cannot create temporary file\n");
        !            47:                exit(1);
        !            48:        }
        !            49: 
        !            50:        getlogname(User);
        !            51:        sprintf(Log1, "Book Order by %s, %s", User, asctime(tm));
        !            52: 
        !            53: again: cnt++;
        !            54:        for (i = 0; data[i].prompt; i++)
        !            55:        {       printf("%s: ", data[i].prompt);
        !            56:                fflush(stdout);
        !            57:                fgets(data[i].store, 510, stdin);
        !            58:        }
        !            59:        fprintf(fdtmp, "\n%s", Log1);
        !            60:        fprintf(fdtmp, "================================================\n");
        !            61:        fprintf(fd, "%s", data[0].store); fflush(fd);
        !            62: 
        !            63:        for (i = 0; data[i].prompt; i++)
        !            64:        {       fprintf(fdtmp, "%s: %s", data[i].prompt, data[i].store);
        !            65:                memset(data[i].store, 0, 512);
        !            66:        }
        !            67:        fprintf(fdtmp, "      ==forwarded to [email protected]==        \n");
        !            68:        fflush(fdtmp);
        !            69: 
        !            70:        printf("More (y/n)? ");
        !            71:        fflush(stdout);
        !            72:        fgets(More, 6, stdin);
        !            73:        if (strcmp(More, "y\n") == 0)
        !            74:                goto again;
        !            75: 
        !            76:        sprintf(Log2, "%d x %s", cnt, Log1);
        !            77:        fprintf(fd, "%s", Log2); fflush(fd);
        !            78:        fclose(fd);
        !            79:        sprintf(Sharon, "/bin/mail %s sharon [email protected] < %s; rm -f %s",
        !            80:                User, Tmp, Tmp);
        !            81:        if (system(Sharon) == 127)
        !            82:        {       printf("error on logfile - mail sharon\n");
        !            83:                exit(1);
        !            84:        }
        !            85:        printf("\n%d order%s sent\n", cnt, (cnt>1)?"s":"");
        !            86: }

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