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* 10/25/89 |
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*/ |
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< |
#include <stdio.h> |
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#include "standard.h" |
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#include "color.h" |
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#include "driver.h" |
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int (*wrnvec)(), (*errvec)(), (*cmdvec)(); /* error vectors, unused */ |
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struct driver *dev = NULL; /* output device */ |
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FILE *devin, *devout; /* communications channels */ |
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/* set up I/O */ |
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progname = argv[0]; |
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if (argc < 3) { |
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< |
stderr_v("arg count\n"); |
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> |
eputs("arg count\n"); |
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quit(1); |
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} |
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devin = fdopen(atoi(argv[1]), "r"); |
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devout = fdopen(atoi(argv[2]), "w"); |
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if (devin == NULL || devout == NULL || getw(devin) != COM_SENDM) { |
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< |
stderr_v("connection failure\n"); |
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> |
eputs("connection failure\n"); |
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quit(1); |
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} |
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/* open device */ |
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/* loop on requests */ |
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while ((com = getc(devin)) != EOF) { |
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if (com >= NREQUESTS || dev_func[com] == NULL) { |
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stderr_v("invalid request\n"); |
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> |
eputs("invalid request\n"); |
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quit(1); |
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} |
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(*dev_func[com])(); /* process request */ |
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} |
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stderr_v(s) /* put string to stderr */ |
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> |
eputs(s) /* put string to stderr */ |
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register char *s; |
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{ |
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static int midline = 0; |
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+ |
if (!*s) |
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return; |
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if (!midline++) { |
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fputs(progname, stderr); |
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fputs(": ", stderr); |
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} |
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fputs(s, stderr); |
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< |
if (*s && s[strlen(s)-1] == '\n') { |
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> |
if (s[strlen(s)-1] == '\n') { |
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fflush(stderr); |
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midline = 0; |
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} |