newlib/winsup/cygwin/devices.cc

441 lines
14 KiB
C++

/* ANSI-C code produced by gperf version 2.7.2 */
/* Command-line: gperf -c --key-positions=5-8,1-2,9-10 -r -t -C -E -T -L ANSI-C -Hdevhash -Ndevice::lookup -Z devstring -7 -G /cygnus/src/uberbaum/winsup/cygwin/devices.gperf */
#include "winsup.h"
#include <sys/types.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include "devices.h"
#include "sys/cygwin.h"
#include "tty.h"
#include "pinfo.h"
#undef __GNUC__
static unsigned int devhash (const char *, unsigned)
__attribute__ ((regparm (2)));
#define bad_dev (&dev_bad_storage)
enum
{
TOTAL_KEYWORDS = 54,
MIN_WORD_LENGTH = 5,
MAX_WORD_LENGTH = 14,
MIN_HASH_VALUE = 106,
MAX_HASH_VALUE = 288
};
/* maximum key range = 183, duplicates = 0 */
#ifdef __GNUC__
__inline
#else
#ifdef __cplusplus
inline
#endif
#endif
static unsigned int
devhash (register const char *str, register unsigned int len)
{
static const unsigned short asso_values[] =
{
289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
289, 289, 289, 289, 289, 289, 289, 2, 289, 289,
289, 289, 289, 289, 289, 289, 289, 289, 62, 289,
289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
289, 289, 289, 289, 289, 289, 289, 289, 289, 289,
289, 289, 289, 27, 289, 289, 289, 289, 289, 289,
289, 289, 289, 289, 289, 289, 289, 29, 28, 12,
45, 59, 32, 39, 24, 11, 19, 53, 55, 2,
57, 35, 21, 54, 62, 9, 52, 8, 37, 10,
16, 33, 43, 289, 289, 289, 289, 289
};
register int hval = len;
switch (hval)
{
default:
case 10:
hval += asso_values[(unsigned) cyg_tolower (str[9])];
case 9:
hval += asso_values[(unsigned) cyg_tolower (str[8])];
case 8:
hval += asso_values[(unsigned) cyg_tolower (str[7])];
case 7:
hval += asso_values[(unsigned) cyg_tolower (str[6])];
case 6:
hval += asso_values[(unsigned) cyg_tolower (str[5])];
case 5:
hval += asso_values[(unsigned) cyg_tolower (str[4])];
case 4:
case 3:
case 2:
hval += asso_values[(unsigned) cyg_tolower (str[1])];
case 1:
hval += asso_values[(unsigned) cyg_tolower (str[0])];
break;
}
return hval;
}
static NO_COPY const struct device wordlist[] =
{
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""},
{"/dev/com", FH_SERIAL, "\\.\\com%d", 1, 99},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""},
{"/dev/st", FH_TAPE, "\\Device\\Tape%d", 0, 127},
{""}, {""},
{"/dev/mem", FH_MEM, "\\dev\\mem", 0, 0, 0, 0},
{""}, {""},
{"/dev/scd", FH_CDROM, "\\Device\\CdRom%d", 0, 15},
{""}, {""}, {""},
{"/dev/sr", FH_CDROM, "\\Device\\CdRom%d", 0, 15},
{"/dev/hdm", FH_SDM, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 191},
{""}, {""}, {""},
{"/dev/dsp", FH_OSS_DSP, "\\dev\\dsp", 0, 0, 0, 0},
{"/dev/fd", FH_FLOPPY, "\\Device\\Floppy%d", 0, 15},
{"/dev/hdu", FH_SDU, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 319},
{"/dev/hds", FH_SDS, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 287},
{"/dev/hdw", FH_SDW, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 351},
{"/dev/hdi", FH_SDI, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 127},
{"/dev/hdc", FH_SDC, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 31},
{""}, {""}, {""},
{"/dev/hdx", FH_SDX, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 367},
{""}, {""},
{"/dev/hdj", FH_SDJ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 143},
{""},
{"/dev/hdp", FH_SDP, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 239},
{""},
{"/dev/ptmx", FH_PTYM, "\\dev\\ptmx", 0, 0, 0, 0},
{"/dev/hdh", FH_SDH, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 111},
{""}, {""}, {""},
{"/dev/hdb", FH_SDB, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 15},
{"/dev/hda", FH_SDA, "\\Device\\Harddisk%d\\Partition%d", 1, 16, -1},
{""},
{":bad:", FH_BAD, ":bad:", 0, 0, 0, 0},
{"/dev/hdf", FH_SDF, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 79},
{"/dev/hdy", FH_SDY, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 383},
{""},
{"/dev/hdo", FH_SDO, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 223},
{""},
{"/dev/hdv", FH_SDV, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 335},
{""},
{"/dev/hdg", FH_SDG, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 95},
{""}, {""},
{"/dev/fifo", FH_FIFO, "\\dev\\fifo", 0, 0, 0, 0},
{"/dev/hdz", FH_SDZ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 399},
{"/dev/pipe", FH_PIPE, "\\dev\\pipe", 0, 0, 0, 0},
{"/dev/hdd", FH_SDD, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 47},
{""}, {""},
{"/dev/kmem", FH_KMEM, "\\dev\\mem", 0, 0, 0, 0},
{"/dev/nst", FH_NTAPE, "\\Device\\Tape%d", 0, 127},
{""}, {""},
{"/dev/hdt", FH_SDT, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 303},
{"/dev/hdk", FH_SDK, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 159},
{"/dev/hdq", FH_SDQ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 255 /* FIXME 8 bit lunacy */},
{"/dev/hdl", FH_SDL, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 175},
{""},
{"/dev/hdn", FH_SDN, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 207},
{""},
{"/dev/hde", FH_SDE, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 63},
{""}, {""},
{"/dev/hdr", FH_SDR, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 271},
{""},
{"/dev/clipboard", FH_CLIPBOARD, "\\dev\\clipboard", 0, 0, 0, 0},
{""}, {""}, {""},
{"/dev/tty", FH_TTY, "\\dev\\tty", 0, 0, 0, 0},
{""}, {""},
{"/dev/ttym", FH_TTYM, "\\dev\\ttym", 0, 255, 0, 0},
{""}, {""}, {""}, {""}, {""}, {""},
{"/dev/ttys", FH_TTYS, "\\dev\\tty%d", 0, 255, 0, 0},
{""}, {""},
{"/dev/conout", FH_CONOUT, "conout", 0, 0, 0, 0},
{""},
{"/dev/console", FH_CONSOLE, "\\dev\\console", 0, 0, 0, 0},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{"/dev/windows", FH_WINDOWS, "\\dev\\windows", 0, 0, 0, 0},
{""}, {""},
{"/dev/ttyS", FH_SERIAL, "\\.\\com%d", 0, 99, -1},
{""}, {""}, {""}, {""}, {""},
{"/dev/port", FH_PORT, "\\dev\\port", 0, 0, 0, 0},
{""}, {""},
{"/dev/conin", FH_CONIN, "conin", 0, 0, 0, 0},
{""},
{"/dev/null", FH_NULL, "nul", 0, 0, 0, 0},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""},
{"/dev/zero", FH_ZERO, "\\dev\\zero", 0, 0, 0, 0},
{""}, {""}, {""}, {""},
{"/dev/urandom", FH_URANDOM, "\\dev\\urandom", 0, 0, 0, 0},
{""}, {""}, {""}, {""}, {""}, {""}, {""},
{"/dev/rawdrive", FH_RAWDRIVE, "\\DosDevices\\%c:", 0, 0, 0, 0},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
{"/dev/random", FH_RANDOM, "\\dev\\random", 0, 0, 0, 0}
};
const device dev_cygdrive_storage =
{"/cygdrive", FH_CYGDRIVE, "/cygdrive", 0, 0, 0, 0};
const device dev_fs_storage =
{"", FH_FS, "", 0, 0, 0, 0};
const device dev_proc_storage =
{"", FH_PROC, "", 0, 0, 0, 0};
const device dev_registry_storage =
{"", FH_REGISTRY, "", 0, 0, 0, 0};
const device dev_process_storage =
{"", FH_PROCESS, "", 0, 0, 0, 0};
const device dev_tcp_storage =
{"/dev/inet/tcp", FH_TCP, "", 0, 0, 0, 0};
const device dev_udp_storage =
{"/dev/inet/udp", FH_UCP, "", 0, 0, 0, 0};
const device dev_icmp_storage =
{"/dev/inet/icmp", FH_ICMP, "", 0, 0, 0, 0};
const device dev_unix_storage =
{"/dev/inet/unix", FH_UNIX, "", 0, 0, 0, 0};
const device dev_stream_storage =
{"/dev/inet/stream", FH_STREAM, "", 0, 0, 0, 0};
const device dev_dgram_storage =
{"/dev/inet/dgram", FH_DGRAM, "", 0, 0, 0, 0};
const device dev_piper_storage =
{"", FH_PIPER, "", 0, 0, 0, 0};
const device dev_pipew_storage =
{"", FH_PIPEW, "", 0, 0, 0, 0};
const device dev_fs =
{"", FH_FS, "", 0, 0, 0, 0};
const device dev_bad_storage = wordlist[157];
const device dev_cdrom_storage = wordlist[123];
const device dev_cdrom1_storage = wordlist[127];
const device dev_clipboard_storage = wordlist[190];
const device dev_conin_storage = wordlist[231];
const device dev_conout_storage = wordlist[207];
const device dev_console_storage = wordlist[209];
const device dev_fifo_storage = wordlist[168];
const device dev_floppy_storage = wordlist[133];
const device dev_kmem_storage = wordlist[174];
const device dev_mem_storage = wordlist[120];
const device dev_ntape_storage = wordlist[175];
const device dev_null_storage = wordlist[233];
const device dev_oss_dsp_storage = wordlist[132];
const device dev_pipe_storage = wordlist[170];
const device dev_port_storage = wordlist[228];
const device dev_ptym_storage = wordlist[149];
const device dev_random_storage = wordlist[288];
const device dev_rawdrive_storage = wordlist[270];
const device dev_sda_storage = wordlist[155];
const device dev_sdb_storage = wordlist[154];
const device dev_sdc_storage = wordlist[138];
const device dev_sdd_storage = wordlist[171];
const device dev_sde_storage = wordlist[185];
const device dev_sdf_storage = wordlist[158];
const device dev_sdg_storage = wordlist[165];
const device dev_sdh_storage = wordlist[150];
const device dev_sdi_storage = wordlist[137];
const device dev_sdj_storage = wordlist[145];
const device dev_sdk_storage = wordlist[179];
const device dev_sdl_storage = wordlist[181];
const device dev_sdm_storage = wordlist[128];
const device dev_sdn_storage = wordlist[183];
const device dev_sdo_storage = wordlist[161];
const device dev_sdp_storage = wordlist[147];
const device dev_sdq_storage = wordlist[180];
const device dev_sdr_storage = wordlist[188];
const device dev_sds_storage = wordlist[135];
const device dev_sdt_storage = wordlist[178];
const device dev_sdu_storage = wordlist[134];
const device dev_sdv_storage = wordlist[163];
const device dev_sdw_storage = wordlist[136];
const device dev_sdx_storage = wordlist[142];
const device dev_sdy_storage = wordlist[159];
const device dev_sdz_storage = wordlist[169];
const device dev_serial_storage = wordlist[106];
const device dev_serial1_storage = wordlist[222];
const device dev_tape_storage = wordlist[117];
const device dev_tty_storage = wordlist[194];
const device dev_ttym_storage = wordlist[197];
const device dev_ttys_storage = wordlist[204];
const device dev_urandom_storage = wordlist[262];
const device dev_windows_storage = wordlist[219];
const device dev_zero_storage = wordlist[257];
const device *unit_devices[] =
{
&wordlist[123] /* cdrom */,
&wordlist[106] /* serial */,
&wordlist[197] /* ttym */,
&wordlist[204] /* ttys */,
&wordlist[133] /* floppy */,
&dev_tcp_storage /* tcp */,
&wordlist[270] /* rawdrive */,
&wordlist[117] /* tape */
};
const device *uniq_devices[] =
{
&wordlist[157] /* bad */,
&dev_fs_storage /* fs */,
&dev_process_storage /* process */,
&dev_registry_storage /* registry */,
&dev_proc_storage /* proc */,
&wordlist[168] /* fifo */,
&dev_pipew_storage /* pipew */,
&dev_piper_storage /* piper */,
&wordlist[170] /* pipe */,
&wordlist[120] /* mem */,
&wordlist[174] /* kmem */,
&wordlist[233] /* null */,
&wordlist[257] /* zero */,
&wordlist[228] /* port */,
&wordlist[288] /* random */,
&wordlist[262] /* urandom */,
&wordlist[194] /* tty */,
&wordlist[209] /* console */,
&wordlist[149] /* ptym */,
&wordlist[207] /* conout */,
&wordlist[231] /* conin */,
&wordlist[190] /* clipboard */,
&wordlist[219] /* windows */,
&wordlist[132] /* oss_dsp */,
&wordlist[106] /* serial */
};
#ifdef __GNUC__
__inline
#endif
const struct device *
device::lookup (register const char *str, register unsigned int len)
{
if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
{
register int key = devhash (str, len);
if (key <= MAX_HASH_VALUE && key >= 0)
{
register const char *s = wordlist[key].name;
if (strncasematch (str, s, len))
return &wordlist[key];
}
}
return 0;
}
void
device::parse (const char *s)
{
size_t len = strlen (s);
const device *dev = lookup (s, len);
unsigned unit = 0;
if (!dev || !*dev)
{
size_t prior_len = len;
while (len-- > 0 && isdigit (s[len]))
continue;
if (++len < prior_len)
{
dev = lookup (s, len);
if (!dev || (!dev->upper && !dev->devn == FH_TTY))
dev = NULL;
else
{
unsigned n = atoi (s + len);
if (dev->devn == FH_TTY)
dev = ttys_dev; // SIGH
if (n >= dev->lower && n <= dev->upper)
unit = n;
}
}
}
if (!dev || !*dev)
*this = *fs_dev;
else if (dev->devn == FH_TTY)
tty_to_real_device ();
else
{
*this = *dev;
if (!setunit (unit))
devn = 0;
}
}
void
device::init ()
{
/* nothing to do... yet */
}
void
device::parse (_major_t major, _minor_t minor)
{
_dev_t dev = FHDEV (major, 0);
devn = 0;
unsigned i;
for (i = 0; i < (sizeof (unit_devices) / sizeof (unit_devices[0])); i++)
if (unit_devices[i]->devn == dev)
{
*this = *unit_devices[i];
this->setunit (minor);
goto out;
}
dev = FHDEV (major, minor);
for (i = 0; i < (sizeof (uniq_devices) / sizeof (uniq_devices[0])); i++)
if (uniq_devices[i]->devn == dev)
{
*this = *uniq_devices[i];
break;
}
out:
if (!*this)
devn = FHDEV (major, minor);
return;
}
void
device::parse (_dev_t dev)
{
parse (_major (dev), _minor (dev));
}
void
device::tty_to_real_device ()
{
if (!real_tty_attached (myself))
*this = myself->ctty < 0 ? *bad_dev : *console_dev;
else
{
*this = *ttys_dev;
setunit (myself->ctty);
}
}