version 1.18, 2025/04/11 16:23:18
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version 1.22, 2025/04/13 04:22:43
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Line 24
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Line 24
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* along with FreeM. If not, see <https://www.gnu.org/licenses/>. |
* along with FreeM. If not, see <https://www.gnu.org/licenses/>. |
* |
* |
* $Log$ |
* $Log$ |
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* Revision 1.22 2025/04/13 04:22:43 snw |
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* Fix snprintf calls |
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* |
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* Revision 1.21 2025/04/11 20:55:49 snw |
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* Disable -Wunused-result where possible |
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* |
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* Revision 1.20 2025/04/11 18:24:32 snw |
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* Fix bug in memory cache |
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* |
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* Revision 1.19 2025/04/11 16:52:05 snw |
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* Fix indentation in global handler |
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* |
* Revision 1.18 2025/04/11 16:23:18 snw |
* Revision 1.18 2025/04/11 16:23:18 snw |
* Avoid re-reading the same block consecutively when possible |
* Avoid re-reading the same block consecutively when possible |
* |
* |
Line 102 short g_numeric (char *str);
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Line 114 short g_numeric (char *str);
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void close_all_globals(void); |
void close_all_globals(void); |
static void panic (void); |
static void panic (void); |
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#define ROOT 0L |
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/* end of line symbol in global module is 30, which is a code not */ |
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/* otherwise used in subscripts */ |
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#define g_EOL 30 |
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#define EOL1 EOL |
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/* numerics (('.'<<1)&037)==28 ; (('-'<<1)&037)==26; */ |
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#define POINT 28 |
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#define MINUS 26 |
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/* ALPHA and OMEGA are dummy subscripts in $order processing */ |
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/* ALPHA sorts before all other subscripts */ |
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/* OMEGA sorts after all other subscripts */ |
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/* e.g. ("abc") -> "abc",OMEGA ; ("abc","") -> "abc",ALPHA */ |
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#define OMEGA 29 |
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#define ALPHA 31 |
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/* length of blocks. status bytes defined as offset to blocklength */ |
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/* BLOCKLEN 1024 is defined in mpsdef0 include file */ |
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#define DATALIM (BLOCKLEN-11) |
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#define LLPTR (BLOCKLEN-10) |
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#define NRBLK LLPTR |
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#define COLLA (BLOCKLEN- 7) |
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#define RLPTR (BLOCKLEN- 6) |
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#define FREE RLPTR |
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#define BTYP (BLOCKLEN- 3) |
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#define OFFS (BLOCKLEN- 2) |
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/* length of blockpointers in bytes */ |
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#define PLEN 3 |
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#define EMPTY 0 |
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#define FBLK 1 |
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#define POINTER 2 |
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#define BOTTOM 6 |
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#define DATA 8 |
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#if !defined(__OpenBSD__) && !defined(_AIX) && !defined(__osf__) && !defined(MSDOS) && !defined(__vax__) && !defined(__OS2__) |
#if !defined(__OpenBSD__) && !defined(_AIX) && !defined(__osf__) && !defined(MSDOS) && !defined(__vax__) && !defined(__OS2__) |
long time (); |
long time (); |
#endif |
#endif |
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inline long gbl_path(char *key, char *buf) |
inline long gbl_path(char *key, char *buf) |
Line 306 int gbl_write_initial_header(global_hand
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Line 279 int gbl_write_initial_header(global_hand
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lseek (g->fd, 0, SEEK_SET); |
lseek (g->fd, 0, SEEK_SET); |
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if (write (g->fd, &hdr, sizeof (global_header)) == -1) { |
if (write (g->fd, &hdr, sizeof (global_header)) == -1) { |
snprintf (msg, sizeof (msg), "error %d writing global header for %s", errno, g->global_name); |
snprintf (msg, sizeof (msg) - 1, "error %d writing global header for %s", errno, g->global_name); |
m_fatal (msg); |
m_fatal (msg); |
} |
} |
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Line 331 int gbl_write_header(global_handle *g, g
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Line 304 int gbl_write_header(global_handle *g, g
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lseek (g->fd, 0, SEEK_SET); |
lseek (g->fd, 0, SEEK_SET); |
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if (write (g->fd, hdr, sizeof (global_header)) == -1) { |
if (write (g->fd, hdr, sizeof (global_header)) == -1) { |
snprintf (msg, sizeof (msg), "error %d writing global header for %s", errno, g->global_name); |
snprintf (msg, sizeof (msg) - 1, "error %d writing global header for %s", errno, g->global_name); |
m_fatal (msg); |
m_fatal (msg); |
} |
} |
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Line 496 int gbl_read_block(global_handle *g, uns
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Line 469 int gbl_read_block(global_handle *g, uns
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g->use_count++; |
g->use_count++; |
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fstat (g->fd, &gstat); |
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if (!g->locked) gbl_lock (g, 1); |
if (!g->locked) gbl_lock (g, 1); |
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fstat (g->fd, &gstat); |
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if ((g->last_block == blocknum) && |
if ((g->last_block == blocknum) && |
(g->have_cached_block) && |
(g->have_cached_block) && |
Line 506 int gbl_read_block(global_handle *g, uns
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Line 478 int gbl_read_block(global_handle *g, uns
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(gstat.st_mtime < g->last_read_time)) { |
(gstat.st_mtime < g->last_read_time)) { |
/* the global has not been modified since the last read; grab from memory */ |
/* the global has not been modified since the last read; grab from memory */ |
g->memory_reads++; |
g->memory_reads++; |
g->last_read_time = time (0L); |
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memcpy (block, g->last_block_accessed, g->header.block_size); |
memcpy (block, g->last_block_accessed, g->header.block_size); |
} |
} |
else { |
else { |
Line 517 int gbl_read_block(global_handle *g, uns
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Line 488 int gbl_read_block(global_handle *g, uns
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/* update cache */ |
/* update cache */ |
memcpy (g->last_block_accessed, block, g->header.block_size); |
memcpy (g->last_block_accessed, block, g->header.block_size); |
g->have_cached_block = TRUE; |
g->have_cached_block = TRUE; |
g->last_read_time = time (0L); |
g->cached_block_num = blocknum; |
g->cached_block_num = blocknum; |
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g->last_block = blocknum; |
g->last_block = blocknum; |
g->use_count++; |
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g->read_ops++; |
g->read_ops++; |
} |
} |
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g->last_read_time = time (0L); |
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g->use_count++; |
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if (g->locked) gbl_unlock (g); |
if (g->locked) gbl_unlock (g); |
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return TRUE; |
return TRUE; |
Line 547 int gbl_write_block(global_handle *g, un
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Line 518 int gbl_write_block(global_handle *g, un
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errno = 0; |
errno = 0; |
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lseek (g->fd, hdr_offset + (blocknum * g->header.block_size), SEEK_SET); |
lseek (g->fd, hdr_offset + (blocknum * g->header.block_size), SEEK_SET); |
write (g->fd, block, BLOCKLEN); |
write (g->fd, block, g->header.block_size); |
errsav = errno; |
errsav = errno; |
g->last_block = blocknum; |
g->last_block = blocknum; |
g->use_count++; |
g->use_count++; |
Line 736 void global_bltin (short action, char *k
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Line 707 void global_bltin (short action, char *k
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static char block[BLOCKLEN]; |
static char block[BLOCKLEN]; |
static int getnflag; /* flag 1=$ZO-variable 0=$Q-function */ |
static int getnflag; /* flag 1=$ZO-variable 0=$Q-function */ |
static int tryfast; /* try fast access if get_sym on */ |
static int tryfast; /* try fast access if get_sym on */ |
/* previous global */ |
/* previous global */ |
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int iresult; |
int iresult; |
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Line 745 void global_bltin (short action, char *k
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Line 716 void global_bltin (short action, char *k
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register long int k; |
register long int k; |
register long int ch; |
register long int ch; |
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j = 0; |
j = 0; |
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hdr_offset = sizeof (global_header); |
hdr_offset = sizeof (global_header); |
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/* process optional limitations */ |
/* process optional limitations */ |
if (glvnflag.all && key[0] >= '%' && key[0] <= 'z') { |
if (glvnflag.all && key[0] >= '%' && key[0] <= 'z') { |
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if ((i = glvnflag.one[0])) { /* number of significant chars */ |
if ((i = glvnflag.one[0])) { /* number of significant chars */ |
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j = 0; |
j = 0; |
while ((k = key[j]) != DELIM && k != EOL) { |
while ((k = key[j]) != DELIM && k != EOL) { |
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if (j >= i) { |
if (j >= i) { |
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while ((k = key[++j]) != DELIM && k != EOL); |
while ((k = key[++j]) != DELIM && k != EOL); |
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stcpy (&key[i], &key[j]); |
stcpy (&key[i], &key[j]); |
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break; |
break; |
} |
} |
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j++; |
j++; |
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} |
} |
} |
} |
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if (glvnflag.one[1]) { /* upper/lower sensitivity */ |
if (glvnflag.one[1]) { /* upper/lower sensitivity */ |
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j = 0; |
j = 0; |
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while ((k = key[j]) != DELIM && k != EOL) { |
while ((k = key[j]) != DELIM && k != EOL) { |
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if (k >= 'a' && k <= 'z') key[j] = k - 32; |
if (k >= 'a' && k <= 'z') key[j] = k - 32; |
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j++; |
j++; |
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} |
} |
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} |
} |
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if ((i = glvnflag.one[2])) { |
if ((i = glvnflag.one[2])) { |
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if (stlen (key) > i) { |
if (stlen (key) > i) { |
merr_raise (M75); |
merr_raise (M75); |
return; |
return; |
} /* key length limit */ |
} /* key length limit */ |
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} |
} |
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if ((i = glvnflag.one[3])) { /* subscript length limit */ |
if ((i = glvnflag.one[3])) { /* subscript length limit */ |
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j = 0; |
j = 0; |
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while ((k = key[j++]) != DELIM && k != EOL); |
while ((k = key[j++]) != DELIM && k != EOL); |
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if (k == DELIM) { |
if (k == DELIM) { |
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k = 0; |
k = 0; |
for (;;) { |
for (;;) { |
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k = key[j++]; |
k = key[j++]; |
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if (k == DELIM || k == EOL) { |
if (k == DELIM || k == EOL) { |
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if (k > i) { |
if (k > i) { |
merr_raise (M75); |
merr_raise (M75); |
return; |
return; |
} |
} |
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k = 0; |
k = 0; |
} |
} |
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if (k == EOL) break; |
if (k == EOL) break; |
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k++; |
k++; |
} |
} |
} |
} |
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} |
} |
} |
} |
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Line 884 void global_bltin (short action, char *k
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Line 834 void global_bltin (short action, char *k
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} |
} |
} |
} |
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if (v22ptr) { |
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procv22 (key); |
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if (key[0] != '^') { |
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char losav[256]; |
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stcpy (losav, l_o_val); |
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symtab (action, key, data); |
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stcpy (g_o_val, l_o_val); |
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stcpy (l_o_val, losav); |
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return; |
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} |
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} |
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g = gbl_handle (key); |
g = gbl_handle (key); |
i = gbl_path (key, filnam); |
i = gbl_path (key, filnam); |
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Line 964 void global_bltin (short action, char *k
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Line 898 void global_bltin (short action, char *k
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compactkey[k++] = ch << 1; |
compactkey[k++] = ch << 1; |
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} |
} |
else if (ch < SP || ch >= DEL) { |
else if (ch < SP || ch >= DEL) { |
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/* no CTRLs */ |
/*no CTRLs */ |
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merr_raise (SBSCR); |
merr_raise (SBSCR); |
return; |
return; |
} |
} |
Line 1040 void global_bltin (short action, char *k
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Line 972 void global_bltin (short action, char *k
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reopen: |
reopen: |
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gbl_open (g, action); |
if (!gbl_open (g, action)) { |
if (g->fd == -1) { |
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/* file not found */ |
/* file not found */ |
if (action != set_sym) { |
if (action != set_sym) { |
Line 1124 reopen:
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Line 1055 reopen:
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block[BTYP] = DATA; /* type */ |
block[BTYP] = DATA; /* type */ |
block[OFFS] = i / 256; |
block[OFFS] = i / 256; |
block[OFFS + 1] = i % 256; |
block[OFFS + 1] = i % 256; |
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for (;;) { |
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errno = 0; |
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write (g->fd, block, BLOCKLEN); |
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if (errno == 0) break; |
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lseek (g->fd, hdr_offset + ((ROOT + 1L) * BLOCKLEN), SEEK_SET); |
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panic (); |
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} |
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gbl_write_block (g, ROOT + 1, block); |
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gbl_close (g); |
gbl_close (g); |
gbl_unlock (g); |
gbl_unlock (g); |
gbl_open (g, action); |
gbl_open (g, action); |
Line 1155 reopen:
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Line 1076 reopen:
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if (action == get_sym) { |
if (action == get_sym) { |
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tfast0: |
tfast0: |
gbl_lock (g, 3); |
gbl_lock (g, 3); |
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if (g->fast_path > 0) goto tfast1; /* try again last block */ |
if (g->fast_path > 0) { |
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goto tfast1; /* try again last block */ |
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} |
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blknbr = g->last_block = ROOT; /* start with ROOT block */ |
blknbr = g->last_block = ROOT; /* start with ROOT block */ |
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for (;;) { |
for (;;) { |
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tfast1: |
tfast1: |
gbl_read_block (g, blknbr, block); |
gbl_read_block (g, blknbr, block); |
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Line 1172 reopen:
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Line 1093 reopen:
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tfast2: |
tfast2: |
*/ |
*/ |
if ((typ = block[BTYP]) == DATA) { /* scan data block: here we test for equality only */ |
if ((typ = block[BTYP]) == DATA) { /* scan data block: here we test for equality only */ |
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offset = UNSIGN (block[OFFS]) * 256 + |
offset = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
j = UNSIGN (block[0]); |
j = UNSIGN (block[0]); |
Line 1181 reopen:
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Line 1101 reopen:
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stcpy0 (key1, &block[2], j); /* get first key */ |
stcpy0 (key1, &block[2], j); /* get first key */ |
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ch = keyl; /* ch is a register! */ |
ch = keyl; /* ch is a register! */ |
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while (i < offset) { |
while (i < offset) { |
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j = UNSIGN (block[i++]); /* length of key - offset */ |
j = UNSIGN (block[i++]); /* length of key - offset */ |
k = UNSIGN (block[i++]); /* offset into previous entry */ |
k = UNSIGN (block[i++]); /* offset into previous entry */ |
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Line 1191 reopen:
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Line 1109 reopen:
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while (k < j) key1[k++] = block[i++]; /* get key */ |
while (k < j) key1[k++] = block[i++]; /* get key */ |
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if (j != ch) { /* keys have different length */ |
if (j != ch) { /* keys have different length */ |
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i += UNSIGN (block[i]); |
i += UNSIGN (block[i]); |
i++; |
i++; |
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continue; |
continue; |
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} |
} |
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j = ch; |
j = ch; |
Line 1205 reopen:
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Line 1121 reopen:
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do { |
do { |
j--; |
j--; |
} while (compactkey[j] == key1[j]); /* compare keys */ |
} while (compactkey[j] == key1[j]); /* compare keys */ |
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if (j < 0) { |
if (j < 0) { |
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k = UNSIGN (block[i++]); |
k = UNSIGN (block[i++]); |
stcpy0 (data, &block[i], k); /* get value */ |
stcpy0 (data, &block[i], k); /* get value */ |
data[k] = EOL1; /* append EOL */ |
data[k] = EOL1; /* append EOL */ |
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goto quit; |
goto quit; |
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} |
} |
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i += UNSIGN (block[i]); |
i += UNSIGN (block[i]); |
i++; /* skip data */ |
i++; /* skip data */ |
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} |
} |
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/* fast access failed. try normal path */ |
/* fast access failed. try normal path */ |
Line 1259 reopen:
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Line 1171 reopen:
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addr += UNSIGN (block[addr]) + 2; /* skip key */ |
addr += UNSIGN (block[addr]) + 2; /* skip key */ |
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if ((blknbr = UNSIGN (block[addr]) * 65536 + UNSIGN (block[addr + 1]) * 256 + UNSIGN (block[addr + 2])) == g->last_block) { |
if ((blknbr = UNSIGN (block[addr]) * 65536 + UNSIGN (block[addr + 1]) * 256 + UNSIGN (block[addr + 2])) == g->last_block) { |
merr_raise (DBDGD); |
merr_raise (DBDGD); |
goto quit; |
goto quit; |
} |
} |
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addr += PLEN; /* skip data */ |
addr += PLEN; /* skip data */ |
g->last_block = blknbr; |
g->last_block = blknbr; |
g->fast_path = 1; |
g->fast_path = 1; |
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if (merr () == INRPT) goto quit; |
if (merr () == INRPT) goto quit; |
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} |
} |
} /* end of get_sym */ |
} /* end of get_sym */ |
Line 1351 k_again: /* entry point for repeated
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Line 1263 k_again: /* entry point for repeated
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datal = stlen (data); |
datal = stlen (data); |
offset = UNSIGN (block[OFFS]) * 256 + |
offset = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
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if (found != 2) { /* new entry */ |
if (found != 2) { /* new entry */ |
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Line 1377 k_again: /* entry point for repeated
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Line 1289 k_again: /* entry point for repeated
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} |
} |
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s10: { |
s10: |
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{ |
long len; /* insert key */ |
long len; /* insert key */ |
char key0[256]; |
char key0[256]; |
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Line 1528 s10: {
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Line 1441 s10: {
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goto splitd; |
goto splitd; |
} |
} |
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s20: |
s20: |
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i = offset; |
i = offset; |
k = addr + olddatal; |
k = addr + olddatal; |
Line 1588 s20:
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Line 1501 s20:
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/* get following entry, eventually in the next blk */ |
/* get following entry, eventually in the next blk */ |
offset = UNSIGN (block[OFFS]) * 256 + |
offset = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
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if (addr >= offset) { |
if (addr >= offset) { |
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Line 1723 s20:
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Line 1636 s20:
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while (i < keyl) if (compactkey[i++] & 01) |
while (i < keyl) if (compactkey[i++] & 01) |
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j1++; |
j1++; |
i = 0; |
i = 0; |
j = 0; |
j = 0; |
k = 0; |
k = 0; |
Line 1756 s20:
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Line 1669 s20:
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while ((ch = UNSIGN (scratch[i++])) != g_EOL) { |
while ((ch = UNSIGN (scratch[i++])) != g_EOL) { |
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ch0 = (ch >= SP ? (ch >> 1) : /* 'string' chars */ |
ch0 = (ch >= SP ? (ch >> 1) : /* 'string' chars */ |
(ch < 20 ? (ch >> 1) + '0' : /* 0...9 */ |
(ch < 20 ? (ch >> 1) + '0' : /* 0...9 */ |
(ch >> 1) + SP)); /* '.' or '-' */ |
(ch >> 1) + SP)); /* '.' or '-' */ |
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if (ch0 == DEL) { |
if (ch0 == DEL) { |
Line 1836 s20:
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Line 1749 s20:
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addr = 0; |
addr = 0; |
offset = UNSIGN (block[OFFS]) * 256 + |
offset = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
} |
} |
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} |
} |
Line 1903 s20:
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Line 1816 s20:
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while ((ch = UNSIGN (key0[i++])) != g_EOL) { |
while ((ch = UNSIGN (key0[i++])) != g_EOL) { |
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ch0 = (ch >= SP ? (ch >> 1) : /* 'string' chars */ |
ch0 = (ch >= SP ? (ch >> 1) : /* 'string' chars */ |
(ch < 20 ? (ch >> 1) + '0' : /* 0...9 */ |
(ch < 20 ? (ch >> 1) + '0' : /* 0...9 */ |
(ch >> 1) + SP)); /* '.' or '-' */ |
(ch >> 1) + SP)); /* '.' or '-' */ |
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if (ch0 == DEL) { |
if (ch0 == DEL) { |
Line 1980 s20:
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Line 1893 s20:
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} |
} |
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ch0 = (ch >= SP ? (ch >> 1) : /* 'string' chars */ |
ch0 = (ch >= SP ? (ch >> 1) : /* 'string' chars */ |
(ch < 20 ? (ch >> 1) + '0' : /* 0...9 */ |
(ch < 20 ? (ch >> 1) + '0' : /* 0...9 */ |
(ch >> 1) + SP)); /* '.' or '-' */ |
(ch >> 1) + SP)); /* '.' or '-' */ |
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if (ch0 == DEL) { |
if (ch0 == DEL) { |
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Line 2025 s20:
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Line 1938 s20:
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case kill_sym: /* search and destroy */ |
case kill_sym: /* search and destroy */ |
|
|
killo: /* entry from killone section */ |
killo: /* entry from killone section */ |
offset = UNSIGN (block[OFFS]) * 256 + UNSIGN (block[OFFS + 1]); |
offset = UNSIGN (block[OFFS]) * 256 + UNSIGN (block[OFFS + 1]); |
|
|
i = 0; |
i = 0; |
Line 2070 killo: /* entry from killone section
|
Line 1983 killo: /* entry from killone section
|
addr += UNSIGN (block[addr]); |
addr += UNSIGN (block[addr]); |
addr += (2 + PLEN); /* skip previous entry */ |
addr += (2 + PLEN); /* skip previous entry */ |
offset = UNSIGN (block[OFFS]) * 256 + |
offset = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
traceadr[trx] = addr; |
traceadr[trx] = addr; |
|
|
if (addr < offset) break; |
if (addr < offset) break; |
|
|
traceadr[trx] = 0; |
traceadr[trx] = 0; |
traceblk[trx] = UNSIGN (block[RLPTR]) * 65536 + |
traceblk[trx] = UNSIGN (block[RLPTR]) * 65536 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 2]); |
UNSIGN (block[RLPTR + 2]); |
|
|
} |
} |
|
|
Line 2087 killo: /* entry from killone section
|
Line 2000 killo: /* entry from killone section
|
gbl_read_block (g, blknbr, block); |
gbl_read_block (g, blknbr, block); |
|
|
offset = UNSIGN (block[OFFS]) * 256 + |
offset = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
addr = 0; |
addr = 0; |
k = UNSIGN (block[0]); |
k = UNSIGN (block[0]); |
stcpy0 (key0, &block[2], k); |
stcpy0 (key0, &block[2], k); |
Line 2176 killo: /* entry from killone section
|
Line 2089 killo: /* entry from killone section
|
if ((begadr == 0) && (endadr == offset)) { /* block becomes empty */ |
if ((begadr == 0) && (endadr == offset)) { /* block becomes empty */ |
|
|
long left, |
long left, |
right; |
right; |
char block0[BLOCKLEN]; |
char block0[BLOCKLEN]; |
|
|
p_empty: /* entry if pointer block goes empty */ |
p_empty: /* entry if pointer block goes empty */ |
|
|
left = UNSIGN (block[LLPTR]) * 65536 + |
left = UNSIGN (block[LLPTR]) * 65536 + |
UNSIGN (block[LLPTR + 1]) * 256 + |
UNSIGN (block[LLPTR + 1]) * 256 + |
UNSIGN (block[LLPTR + 2]); |
UNSIGN (block[LLPTR + 2]); |
right = UNSIGN (block[RLPTR]) * 65536 + |
right = UNSIGN (block[RLPTR]) * 65536 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 2]); |
UNSIGN (block[RLPTR + 2]); |
|
|
if (left) { |
if (left) { |
|
|
Line 2227 p_empty: /* entry if pointer block goes
|
Line 2140 p_empty: /* entry if pointer block goes
|
|
|
gbl_read_block (g, blknbr, block); |
gbl_read_block (g, blknbr, block); |
offset = UNSIGN (block[OFFS]) * 256 + |
offset = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
freecnt = UNSIGN (block[addr]) + 2 + PLEN; |
freecnt = UNSIGN (block[addr]) + 2 + PLEN; |
|
|
/* delete key */ |
/* delete key */ |
Line 2300 p_empty: /* entry if pointer block goes
|
Line 2213 p_empty: /* entry if pointer block goes
|
j = block[begadr + 1]; |
j = block[begadr + 1]; |
k = 0; |
k = 0; |
if (begadr) |
if (begadr) |
while (key0[k] == key1[k]) |
while (key0[k] == key1[k]) |
k++; /* new key_offset */ |
k++; /* new key_offset */ |
if (k < j) { |
if (k < j) { |
ch = j - k; /* space requirement */ |
ch = j - k; /* space requirement */ |
block[begadr] = i + ch; /* new key_length */ |
block[begadr] = i + ch; /* new key_length */ |
block[begadr + 1] = k; /* new key_offset */ |
block[begadr + 1] = k; /* new key_offset */ |
i = offset; |
i = offset; |
j = i + ch; |
j = i + ch; |
offset = j; |
offset = j; |
begadr++; |
begadr++; |
while (i > begadr) |
while (i > begadr) |
block[j--] = block[i--]; |
block[j--] = block[i--]; |
stcpy0 (&block[begadr + 1], &key0[k], ch); |
stcpy0 (&block[begadr + 1], &key0[k], ch); |
} |
} |
} |
} |
block[OFFS] = offset / 256; |
block[OFFS] = offset / 256; |
Line 2330 p_empty: /* entry if pointer block goes
|
Line 2243 p_empty: /* entry if pointer block goes
|
|
|
break; |
break; |
|
|
zinv: |
zinv: |
|
|
{ |
{ |
long len; |
long len; |
Line 2348 zinv:
|
Line 2261 zinv:
|
gbl_read_block (g, blknbr, block); |
gbl_read_block (g, blknbr, block); |
|
|
addr = UNSIGN (block[OFFS]) * 256 + |
addr = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
|
|
} |
} |
|
|
Line 2423 zinv:
|
Line 2336 zinv:
|
while ((ch = UNSIGN (scratch[i++])) != g_EOL) { |
while ((ch = UNSIGN (scratch[i++])) != g_EOL) { |
|
|
ch0 = (ch >= SP ? (ch >> 1) : /* 'string' chars */ |
ch0 = (ch >= SP ? (ch >> 1) : /* 'string' chars */ |
(ch < 20 ? (ch >> 1) + '0' : /* 0...9 */ |
(ch < 20 ? (ch >> 1) + '0' : /* 0...9 */ |
(ch >> 1) + SP)); /* '.' or '-' */ |
(ch >> 1) + SP)); /* '.' or '-' */ |
|
|
if (ch0 == DEL) { |
if (ch0 == DEL) { |
|
|
Line 2469 zinv:
|
Line 2382 zinv:
|
|
|
case zdata: /* nonstandard data function */ |
case zdata: /* nonstandard data function */ |
|
|
{ |
{ |
long counties[128]; |
long counties[128]; |
char key0[256]; |
char key0[256]; |
int icnt, icnt0, len; |
int icnt, icnt0, len; |
|
|
i = 0; |
i = 0; |
|
|
while (i < 128) counties[i++] = 0L; /* init count; */ |
while (i < 128) counties[i++] = 0L; /* init count; */ |
|
|
if (found == 2) { /* ... advance to next entry */ |
if (found == 2) { /* ... advance to next entry */ |
addr += UNSIGN (block[addr]); |
addr += UNSIGN (block[addr]); |
addr += 2; /* skip key */ |
addr += 2; /* skip key */ |
addr += UNSIGN (block[addr]); |
addr += UNSIGN (block[addr]); |
addr++; /* skip data */ |
addr++; /* skip data */ |
|
|
counties[0] = 1L; |
counties[0] = 1L; |
} |
} |
|
|
offset = UNSIGN (block[OFFS]) * 256 + UNSIGN (block[OFFS + 1]); |
offset = UNSIGN (block[OFFS]) * 256 + UNSIGN (block[OFFS + 1]); |
icnt = 0; |
icnt = 0; |
i = 0; |
i = 0; |
|
|
while ((ch = compactkey[i++]) != g_EOL) { |
while ((ch = compactkey[i++]) != g_EOL) { |
|
|
if (ch & 01) { |
|
icnt++; |
|
} |
|
|
|
|
if (ch & 01) { |
|
icnt++; |
} |
} |
|
|
len = i - 1; |
} |
i = 0; |
|
|
|
while (i < addr) { /* compute offset complete key */ |
len = i - 1; |
|
i = 0; |
|
|
|
while (i < addr) { /* compute offset complete key */ |
|
|
icnt0 = UNSIGN (block[i++]); |
icnt0 = UNSIGN (block[i++]); |
icnt0 += (j = UNSIGN (block[i++])); |
icnt0 += (j = UNSIGN (block[i++])); |
|
|
while (j < icnt0) key0[j++] = block[i++]; |
while (j < icnt0) key0[j++] = block[i++]; |
|
|
key0[j] = g_EOL; |
key0[j] = g_EOL; |
i += UNSIGN (block[i]); |
i += UNSIGN (block[i]); |
|
|
i++; /* skip data */ |
i++; /* skip data */ |
|
|
} |
} |
|
|
for (;;) { /* is it still a descendant ??? */ |
for (;;) { /* is it still a descendant ??? */ |
|
|
if (addr >= offset) { /* look in next block */ |
if (addr >= offset) { /* look in next block */ |
|
|
if ((blknbr = UNSIGN (block[RLPTR]) * 65536 + UNSIGN (block[RLPTR + 1]) * 256 + UNSIGN (block[RLPTR + 2])) == 0) { |
if ((blknbr = UNSIGN (block[RLPTR]) * 65536 + UNSIGN (block[RLPTR + 1]) * 256 + UNSIGN (block[RLPTR + 2])) == 0) { |
break; /* no next block */ |
break; /* no next block */ |
} |
} |
|
|
gbl_read_block (g, blknbr, block); |
gbl_read_block (g, blknbr, block); |
|
|
addr = 0; |
addr = 0; |
offset = UNSIGN (block[OFFS]) * 256 + |
offset = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
|
|
} |
} |
|
|
i = UNSIGN (block[addr++]); |
i = UNSIGN (block[addr++]); |
i += (j = UNSIGN (block[addr++])); |
i += (j = UNSIGN (block[addr++])); |
|
|
while (j < i) key0[j++] = block[addr++]; |
while (j < i) key0[j++] = block[addr++]; |
|
|
addr += UNSIGN (block[addr]); |
addr += UNSIGN (block[addr]); |
addr++; /* skip data */ |
addr++; /* skip data */ |
icnt0 = 0; |
icnt0 = 0; |
i = 0; |
i = 0; |
|
|
while (i < j) if (key0[i++] & 01) |
while (i < j) if (key0[i++] & 01) |
|
|
icnt0++; |
icnt0++; |
|
|
if (icnt0 <= icnt) break; |
if (icnt0 <= icnt) break; |
|
|
i = 0; |
i = 0; |
|
|
while (i < len) { |
while (i < len) { |
|
|
if (key0[i] != compactkey[i]) break; |
if (key0[i] != compactkey[i]) break; |
|
|
i++; |
i++; |
|
|
} |
} |
|
|
if (i < len) break; |
if (i < len) break; |
|
|
counties[icnt0 - icnt]++; |
counties[icnt0 - icnt]++; |
|
|
} |
} |
|
|
i = 128; |
i = 128; |
|
|
while (counties[--i] == 0L); |
while (counties[--i] == 0L); |
|
|
lintstr (data, counties[0]); |
lintstr (data, counties[0]); |
|
|
j = 1; |
j = 1; |
tmp1[0] = ','; |
tmp1[0] = ','; |
|
|
while (j <= i) { |
while (j <= i) { |
lintstr (&tmp1[1], counties[j++]); |
lintstr (&tmp1[1], counties[j++]); |
stcat (data, tmp1); |
stcat (data, tmp1); |
} |
|
|
|
} |
} |
|
|
|
} |
|
|
break; |
break; |
|
|
case getinc: |
case getinc: |
|
|
{ |
{ |
int setopsav; |
int setopsav; |
|
|
setopsav = setop; |
setopsav = setop; |
setop = '+'; |
setop = '+'; |
data[0] = '1'; |
data[0] = '1'; |
data[1] = EOL; |
data[1] = EOL; |
|
|
global (set_sym, key, data); |
global (set_sym, key, data); |
|
|
setop = setopsav; |
setop = setopsav; |
|
|
return; |
return; |
} |
} |
|
|
case killone: |
case killone: |
|
{ |
{ |
if (found == 2) goto killo; /* entry found use normal kill routine */ |
if (found == 2) goto killo; /* entry found use normal kill routine */ |
|
|
|
goto quit; |
goto quit; |
} |
} |
|
|
case merge_sym: |
|
|
|
printf("MERGE NOT IMPLEMENTED FOR GLOBALS\n"); |
|
|
|
#ifdef DEBUG_GBL |
|
|
|
int loop; |
|
|
|
printf ("DEBUG MERGE: "); |
|
printf ("[key] is ["); |
|
|
|
for (loop = 0; key[loop] != EOL; loop++) printf ("%c", (key[loop] == DELIM) ? '!' : key[loop]); |
|
|
|
printf ("]\r\n"); |
|
printf ("[data] is ["); |
|
|
|
for(loop = 0; data[loop] != EOL; loop++) printf ("%c", (data[loop] == DELIM) ? '!' : data[loop]); |
|
|
|
printf("]\r\n"); |
|
|
|
#endif |
|
return; |
|
|
|
default: |
default: |
|
|
Line 2660 splitd: /* split data block in two se
|
Line 2549 splitd: /* split data block in two se
|
|
|
if (addr >= offset) { |
if (addr >= offset) { |
long right, |
long right, |
right1, |
right1, |
right2; |
right2; |
|
|
right = UNSIGN (block[RLPTR]); |
right = UNSIGN (block[RLPTR]); |
right1 = UNSIGN (block[RLPTR + 1]); |
right1 = UNSIGN (block[RLPTR + 1]); |
Line 2734 splitd: /* split data block in two se
|
Line 2623 splitd: /* split data block in two se
|
} |
} |
|
|
/* other is ***always*** zero !!! |
/* other is ***always*** zero !!! |
* if (other=left*65536+left1*256+left2) up-date RL-PTR of LL-block |
* if (other=left*65536+left1*256+left2) up-date RL-PTR of LL-block |
* { char block0[BLOCKLEN]; |
* { char block0[BLOCKLEN]; |
* lseek(filedes,(long)other*(long)(BLOCKLEN),0); |
* lseek(filedes,(long)other*(long)(BLOCKLEN),0); |
* read(filedes,block0,BLOCKLEN); |
* read(filedes,block0,BLOCKLEN); |
* block0[RLPTR ]=blknbr/65536; |
* block0[RLPTR ]=blknbr/65536; |
* block0[RLPTR+1]=blknbr%65536/256; |
* block0[RLPTR+1]=blknbr%65536/256; |
* block0[RLPTR+2]=blknbr%256; |
* block0[RLPTR+2]=blknbr%256; |
* lseek(filedes,(long)other*(long)(BLOCKLEN),0); |
* lseek(filedes,(long)other*(long)(BLOCKLEN),0); |
* write(filedes,block0,BLOCKLEN); |
* write(filedes,block0,BLOCKLEN); |
* } |
* } |
*/ |
*/ |
|
|
goto spltex; |
goto spltex; |
|
|
Line 2826 splitd: /* split data block in two se
|
Line 2715 splitd: /* split data block in two se
|
|
|
/* update rightlink and leftlink pointers */ |
/* update rightlink and leftlink pointers */ |
other = UNSIGN (block[RLPTR]) * 65536 + |
other = UNSIGN (block[RLPTR]) * 65536 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 2]); |
UNSIGN (block[RLPTR + 2]); |
block0[RLPTR] = block[RLPTR]; |
block0[RLPTR] = block[RLPTR]; |
block0[RLPTR + 1] = block[RLPTR + 1]; |
block0[RLPTR + 1] = block[RLPTR + 1]; |
block0[RLPTR + 2] = block[RLPTR + 2]; |
block0[RLPTR + 2] = block[RLPTR + 2]; |
Line 2863 splitd: /* split data block in two se
|
Line 2752 splitd: /* split data block in two se
|
/* save old block away and make new block the current block */ |
/* save old block away and make new block the current block */ |
/* update rightlink and leftlink pointers */ |
/* update rightlink and leftlink pointers */ |
other = UNSIGN (block[RLPTR]) * 65536 + |
other = UNSIGN (block[RLPTR]) * 65536 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 2]); |
UNSIGN (block[RLPTR + 2]); |
block0[RLPTR] = block[RLPTR]; |
block0[RLPTR] = block[RLPTR]; |
block0[RLPTR + 1] = block[RLPTR + 1]; |
block0[RLPTR + 1] = block[RLPTR + 1]; |
block0[RLPTR + 2] = block[RLPTR + 2]; |
block0[RLPTR + 2] = block[RLPTR + 2]; |
Line 2957 static void splitp (global_handle *g, ch
|
Line 2846 static void splitp (global_handle *g, ch
|
|
|
/* update number of blocks ! */ |
/* update number of blocks ! */ |
i = UNSIGN (block0[NRBLK]) * 65536 + |
i = UNSIGN (block0[NRBLK]) * 65536 + |
UNSIGN (block0[NRBLK + 1]) * 256 + |
UNSIGN (block0[NRBLK + 1]) * 256 + |
UNSIGN (block0[NRBLK + 2]) + 1; |
UNSIGN (block0[NRBLK + 2]) + 1; |
|
|
block0[NRBLK] = i / 65536; |
block0[NRBLK] = i / 65536; |
block0[NRBLK + 1] = i % 65536 / 256; |
block0[NRBLK + 1] = i % 65536 / 256; |
Line 3024 static void splitp (global_handle *g, ch
|
Line 2913 static void splitp (global_handle *g, ch
|
|
|
/* update rightlink and leftlink pointers */ |
/* update rightlink and leftlink pointers */ |
other = UNSIGN (block[RLPTR]) * 65536 + |
other = UNSIGN (block[RLPTR]) * 65536 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 2]); |
UNSIGN (block[RLPTR + 2]); |
block0[RLPTR] = block[RLPTR]; |
block0[RLPTR] = block[RLPTR]; |
block0[RLPTR + 1] = block[RLPTR + 1]; |
block0[RLPTR + 1] = block[RLPTR + 1]; |
block0[RLPTR + 2] = block[RLPTR + 2]; |
block0[RLPTR + 2] = block[RLPTR + 2]; |
Line 3060 static void splitp (global_handle *g, ch
|
Line 2949 static void splitp (global_handle *g, ch
|
|
|
/* update rightlink and leftlink pointers */ |
/* update rightlink and leftlink pointers */ |
other = UNSIGN (block[RLPTR]) * 65536 + |
other = UNSIGN (block[RLPTR]) * 65536 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 1]) * 256 + |
UNSIGN (block[RLPTR + 2]); |
UNSIGN (block[RLPTR + 2]); |
|
|
block0[RLPTR] = block[RLPTR]; |
block0[RLPTR] = block[RLPTR]; |
block0[RLPTR + 1] = block[RLPTR + 1]; |
block0[RLPTR + 1] = block[RLPTR + 1]; |
Line 3134 static void update (global_handle *g, ch
|
Line 3023 static void update (global_handle *g, ch
|
j = oldkeyl - keyl; |
j = oldkeyl - keyl; |
|
|
offset = UNSIGN (block[OFFS]) * 256 + |
offset = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
|
|
if (j > 0) { /* surplus space */ |
if (j > 0) { /* surplus space */ |
|
|
Line 3208 static void insert (global_handle *g, ch
|
Line 3097 static void insert (global_handle *g, ch
|
gbl_read_block (g, blk, block); |
gbl_read_block (g, blk, block); |
|
|
offset = UNSIGN (block[OFFS]) * 256 + |
offset = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
|
|
if (traceadr[trx + 1] != (-1)) { |
if (traceadr[trx + 1] != (-1)) { |
addr += UNSIGN (block[addr]); |
addr += UNSIGN (block[addr]); |
Line 3278 static void b_free (global_handle *g, un
|
Line 3167 static void b_free (global_handle *g, un
|
gbl_read_block (g, free, block0); |
gbl_read_block (g, free, block0); |
|
|
other = UNSIGN (block0[RLPTR]) * 65536 + |
other = UNSIGN (block0[RLPTR]) * 65536 + |
UNSIGN (block0[RLPTR + 1]) * 256 + |
UNSIGN (block0[RLPTR + 1]) * 256 + |
UNSIGN (block0[RLPTR + 2]); |
UNSIGN (block0[RLPTR + 2]); |
|
|
if (other == 0) break; |
if (other == 0) break; |
|
|
Line 3295 static void b_free (global_handle *g, un
|
Line 3184 static void b_free (global_handle *g, un
|
offset -= PLEN; |
offset -= PLEN; |
other = UNSIGN (block0[offset]) * 65536 + |
other = UNSIGN (block0[offset]) * 65536 + |
|
|
UNSIGN (block0[offset + 1]) * 256 + |
UNSIGN (block0[offset + 1]) * 256 + |
UNSIGN (block0[offset + 2]); |
UNSIGN (block0[offset + 2]); |
|
|
block0[offset] = 0; |
block0[offset] = 0; |
block0[offset + 1] = 0; |
block0[offset + 1] = 0; |
Line 3420 static void scandblk (char *block, long
|
Line 3309 static void scandblk (char *block, long
|
char key0[256]; |
char key0[256]; |
|
|
offset = UNSIGN (block[OFFS]) * 256 + |
offset = UNSIGN (block[OFFS]) * 256 + |
UNSIGN (block[OFFS + 1]); |
UNSIGN (block[OFFS + 1]); |
|
|
while (i < offset) { |
while (i < offset) { |
|
|