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  • Committer: Bazaar Package Importer
  • Author(s): Colin Watson
  • Date: 2004-12-08 10:45:17 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20041208104517-dddigjyt093j9ql6
Tags: 1:3.2.4-1ubuntu1
Resynchronise with Debian.

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proc/devname.c
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#include "version.h"
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#include "devname.h"
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#include <asm/page.h>
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#ifndef PAGE_SIZE
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#define PAGE_SIZE (sizeof(long)*1024)
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#endif
 
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// This is the buffer size for a tty name. Any path is legal,
 
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// which makes PAGE_SIZE appropriate (see kernel source), but
 
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// that is only 99% portable and utmp only holds 32 anyway.
 
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#define NAME_SIZE 128
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/* Who uses what:
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 *
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"AM0",  "AM1",  "AM2",  "AM3",  "AM4",  "AM5",  "AM6",  "AM7",
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"AM8",  "AM9",  "AM10", "AM11", "AM12", "AM13", "AM14", "AM15",
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"DB0",  "DB1",  "DB2",  "DB3",  "DB4",  "DB5",  "DB6",  "DB7",
 
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"SG0",
 
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"SMX0",  "SMX1",  "SMX2",
 
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"MM0",  "MM1",
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};
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/* Try to guess the device name (useful until /proc/PID/tty is added) */
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  char path[32];
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  int count;
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  sprintf(path, "/proc/%d/%s", pid, name);  /* often permission denied */
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  count = readlink(path,buf,PAGE_SIZE-1);
 
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  count = readlink(path,buf,NAME_SIZE-1);
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  if(count == -1) return 0;
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  buf[count] = '\0';
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  if(stat(buf, &sbuf) < 0) return 0;
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/* number --> name */
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unsigned dev_to_tty(char *restrict ret, unsigned chop, dev_t dev_t_dev, int pid, unsigned int flags) {
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  static char buf[PAGE_SIZE];
 
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  static char buf[NAME_SIZE];
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  char *restrict tmp = buf;
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  unsigned dev = dev_t_dev;
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  unsigned i = 0;