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Annotation of researchv10no/cmd/dist/v10/dispatch.c, revision 1.1.1.1

1.1       root        1: /* usage: dispatch <ipc args> */
                      2: /* TODO: connect input to /dev/null if peer wants no output,
                      3:    connect output to logfile if peer wants no input.  */
                      4: 
                      5: #include <ipc.h>
                      6: #include <string.h>
                      7: #include "../paths.h"
                      8: 
                      9: int
                     10: main(int argc, char *argv[])
                     11: {
                     12:        char c, d;
                     13:        char *args[4];
                     14:        int fd;
                     15: 
                     16:        if (chdir(LDIR) < 0)
                     17:                return 1;
                     18: 
                     19:        (args[1] = strchr(argv[1], '=')) && ++args[1];
                     20:        (args[2] = strchr(argv[2], '=')) && ++args[2];
                     21:        args[3] = 0;
                     22: 
                     23:        if (read(0, &c, 1) != 1)
                     24:                return 1;
                     25:        do
                     26:                if (read(0, &d, 1) != 1)
                     27:                        return 1;
                     28:        while (d);
                     29: 
                     30:        fd = open("/dev/null", 1);
                     31:        dup2(fd, 2);
                     32:        if (fd > 2)
                     33:                close(fd);
                     34: 
                     35:        switch (c) {
                     36:        case 's':
                     37:                args[0] = "showq";
                     38:                execv("showq", args);
                     39:                break;
                     40:        case 't':
                     41:                args[0] = "transmit";
                     42:                execv("transmit", args);
                     43:                break;
                     44:        case 'n':
                     45:                args[0] = "notice";
                     46:                execv("notice", args);
                     47:                break;
                     48:        }
                     49: 
                     50:        return 1;
                     51: }

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