Partial misc.c gotoectomy.

This commit is contained in:
Eric S. Raymond 2017-06-07 16:30:51 -04:00
parent ed80d6dd2f
commit 1d3a087c39

396
misc.c
View file

@ -28,7 +28,7 @@ L10: L=labs(LINES[K])-1;
LNPOSN=1;
STATE=0;
for (I=K; I<=L; I++) {
PUTTXT(LINES[I],STATE,2);
PUTTXT(LINES[I],STATE,2);
} /* end loop */
LNPOSN=0;
L30: LNPOSN=LNPOSN+1;
@ -111,48 +111,43 @@ L40: if(BLANK)TYPE0();
return;
}
void PSPEAK(vocab_t MSG,int SKIP) {
long I, M;
/* Find the skip+1st message from msg and print it. MSG should be the index of
* the inventory message for object. (INVEN+N+1 message is game.prop=N message). */
void PSPEAK(vocab_t MSG,int SKIP)
/* Find the skip+1st message from msg and print it. MSG should be
* the index of the inventory message for object. (INVEN+N+1 message
* is game.prop=N message). */
{
long I, M;
M=PTEXT[MSG];
if(SKIP < 0) goto L9;
if(SKIP < 0)
goto L9;
for (I=0; I<=SKIP; I++) {
L1: M=labs(LINES[M]);
if(LINES[M] >= 0) goto L1;
/*etc*/ ;
} /* end loop */
if(LINES[M] >= 0)
goto L1;
}
L9: SPEAK(M);
return;
}
void RSPEAK(vocab_t I) {
/* Print the I-TH "random" message (section 6 of database). */
if(I != 0)SPEAK(RTEXT[I]);
return;
void RSPEAK(vocab_t i)
/* Print the i-th "random" message (section 6 of database). */
{
if (i != 0)
SPEAK(RTEXT[i]);
}
void SETPRM(long FIRST, long P1, long P2) {
;
void SETPRM(long first, long p1, long p2)
/* Stores parameters into the PRMCOM parms array for use by speak. P1 and P2
* are stored into PARMS(FIRST) and PARMS(FIRST+1). */
if(FIRST >= 25)BUG(29);
PARMS[FIRST]=P1;
{long x = FIRST+1; PARMS[x]=P2;}
return;
* are stored into PARMS(first) and PARMS(first+1). */
{
if(first >= MAXPARMS)
BUG(29);
else {
PARMS[first] = p1;
PARMS[first+1] = p2;
}
}
#undef GETIN
#define WORD1 (*wORD1)
#define WORD1X (*wORD1X)
@ -359,53 +354,50 @@ L2: LNLENG=LNLENG+DELTA;
}
void TYPE0() {
long TEMP;
void TYPE0(void)
/* Type a blank line. This procedure is provided as a convenience for callers
* who otherwise have no use for MAPCOM. */
{
long temp;
TEMP=LNLENG;
LNLENG=0;
TYPE();
LNLENG=TEMP;
return;
temp=LNLENG;
LNLENG=0;
TYPE();
LNLENG=temp;
return;
}
/* Suspend/resume I/O routines (SAVWDS, SAVARR, SAVWRD) */
#undef SAVWDS
void fSAVWDS(long *W1, long *W2, long *W3, long *W4, long *W5, long *W6, long *W7) {
/* Write or read 7 variables. See SAVWRD. */
SAVWRD(0,(*W1));
SAVWRD(0,(*W2));
SAVWRD(0,(*W3));
SAVWRD(0,(*W4));
SAVWRD(0,(*W5));
SAVWRD(0,(*W6));
SAVWRD(0,(*W7));
return;
void fSAVWDS(long *W1, long *W2, long *W3, long *W4,
long *W5, long *W6, long *W7)
/* Write or read 7 variables. See SAVWRD. */
{
SAVWRD(0,(*W1));
SAVWRD(0,(*W2));
SAVWRD(0,(*W3));
SAVWRD(0,(*W4));
SAVWRD(0,(*W5));
SAVWRD(0,(*W6));
SAVWRD(0,(*W7));
return;
}
#define SAVWDS(W1,W2,W3,W4,W5,W6,W7) fSAVWDS(&W1,&W2,&W3,&W4,&W5,&W6,&W7)
#undef SAVARR
void fSAVARR(long ARR[], long N) {
long I;
void fSAVARR(long arr[], long n)
/* Write or read an array of n words. See SAVWRD. */
{
long i;
/* Write or read an array of N words. See SAVWRD. */
for (I=1; I<=N; I++) {
SAVWRD(0,ARR[I]);
} /* end loop */
return;
for (i=1; i<=n; i++) {
SAVWRD(0,arr[i]);
}
return;
}
#define SAVARR(ARR,N) fSAVARR(ARR,N)
#undef SAVWRD
#define WORD (*wORD)
void fSAVWRD(long OP, long *wORD) {
@ -566,110 +558,107 @@ L8: game.link[TEMP]=game.link[OBJECT];
return;
}
void DROP(long OBJECT, long WHERE) {
void DROP(long object, long where)
/* Place an object at a given loc, prefixing it onto the game.atloc list. Decr
* game.holdng if the object was being toted. */
if(OBJECT > NOBJECTS) goto L1;
if(game.place[OBJECT] == -1)game.holdng=game.holdng-1;
game.place[OBJECT]=WHERE;
goto L2;
L1: {long x = OBJECT-NOBJECTS; game.fixed[x]=WHERE;}
L2: if(WHERE <= 0)return;
game.link[OBJECT]=game.atloc[WHERE];
game.atloc[WHERE]=OBJECT;
{
if(object > NOBJECTS) goto L1;
if(game.place[object] == -1)
game.holdng=game.holdng-1;
game.place[object]=where;
goto L2;
L1: game.fixed[object-NOBJECTS]=where;
L2: if(where <= 0)
return;
game.link[object]=game.atloc[where];
game.atloc[where]=object;
}
long ATDWRF(long WHERE) {
long AT, I;
long ATDWRF(long where)
/* Return the index of first dwarf at the given location, zero if no dwarf is
* there (or if dwarves not active yet), -1 if all dwarves are dead. Ignore
* the pirate (6th dwarf). */
{
long at, i;
AT=0;
if(game.dflag < 2)return(AT);
AT= -1;
for (I=1; I<=NDWARVES-1; I++) {
if(game.dloc[I] == WHERE) goto L2;
if(game.dloc[I] != 0)AT=0;
} /* end loop */
return(AT);
L2: AT=I;
return(AT);
at=0;
if(game.dflag < 2)
return(at);
at= -1;
for (i=1; i<=NDWARVES-1; i++) {
if(game.dloc[i] == where)
return i;
if(game.dloc[i] != 0)
at=0;
} /* end loop */
return(at);
}
/* Utility routines (SETBIT, TSTBIT, set_seed, get_next_lcg_value,
* randrange, RNDVOC, BUG) */
long SETBIT(long bit) {
long SETBIT(long bit)
/* Returns 2**bit for use in constructing bit-masks. */
{
return(2 << bit);
}
bool TSTBIT(long mask, int bit) {
bool TSTBIT(long mask, int bit)
/* Returns true if the specified bit is set in the mask. */
return((mask & (1 << bit)) != 0);
{
return (mask & (1 << bit)) != 0;
}
void set_seed(long seedval)
/* Set the LCG seed */
{
lcgstate.x = (unsigned long) seedval % lcgstate.m;
lcgstate.x = (unsigned long) seedval % lcgstate.m;
}
unsigned long get_next_lcg_value(void)
/* Return the LCG's current value, and then iterate it. */
{
/* Return the LCG's current value, and then iterate it. */
unsigned long old_x = lcgstate.x;
lcgstate.x = (lcgstate.a * lcgstate.x + lcgstate.c) % lcgstate.m;
return(old_x);
unsigned long old_x = lcgstate.x;
lcgstate.x = (lcgstate.a * lcgstate.x + lcgstate.c) % lcgstate.m;
return old_x;
}
long randrange(long range)
/* Return a random integer from [0, range). */
{
/* Return a random integer from [0, range). */
long result = range * get_next_lcg_value() / lcgstate.m;
return(result);
return range * get_next_lcg_value() / lcgstate.m;
}
long RNDVOC(long CHAR, long FORCE) {
/* Searches the vocabulary for a word whose second character is char, and
* changes that word such that each of the other four characters is a
* random letter. If force is non-zero, it is used as the new word.
* Returns the new word. */
long RNDVOC(long second, long force)
/* Searches the vocabulary ATAB for a word whose second character is
* char, and changes that word such that each of the other four
* characters is a random letter. If force is non-zero, it is used
* as the new word. Returns the new word. */
{
long rnd = force;
long RND;
RND=FORCE;
if (RND == 0) {
for (int I = 1; I <= 5; I++) {
long J = 11 + randrange(26);
if (I == 2)
J = CHAR;
RND = RND * 64 + J;
}
if (rnd == 0) {
for (int i = 1; i <= 5; i++) {
long j = 11 + randrange(26);
if (i == 2)
j = second;
rnd = rnd * 64 + j;
}
}
long DIV = 64L * 64L * 64L;
for (int I = 1; I <= TABSIZ; I++) {
if (MOD(ATAB[I]/DIV, 64L) == CHAR)
{
ATAB[I] = RND;
break;
}
long div = 64L * 64L * 64L;
for (int i = 1; i <= TABSIZ; i++) {
if (MOD(ATAB[i]/div, 64L) == second)
{
ATAB[i] = rnd;
break;
}
}
return(RND);
return rnd;
}
void BUG(long NUM) {
void BUG(long num)
/* The following conditions are currently considered fatal bugs. Numbers < 20
* are detected while reading the database; the others occur at "run time".
* 0 Message line > 70 characters
@ -694,92 +683,90 @@ void BUG(long NUM) {
* 27 Hint number exceeds goto list
* 28 Invalid month returned by date function
* 29 Too many parameters given to SETPRM */
{
printf("Fatal error %ld. See source code for interpretation.\n",
NUM);
exit(0);
printf("Fatal error %ld. See source code for interpretation.\n", num);
exit(0);
}
/* Machine dependent routines (MAPLIN, TYPE, MPINIT, SAVEIO) */
void MAPLIN(FILE *OPENED) {
long I, VAL;
void MAPLIN(FILE *OPENED)
{
long I, VAL;
/* Read a line of input, from the specified input source,
* translate the chars to integers in the range 0-126 and store
* them in the common array "INLINE". Integer values are as follows:
* 0 = space [ASCII CODE 40 octal, 32 decimal]
* 1-2 = !" [ASCII 41-42 octal, 33-34 decimal]
* 3-10 = '()*+,-. [ASCII 47-56 octal, 39-46 decimal]
* 11-36 = upper-case letters
* 37-62 = lower-case letters
* 63 = percent (%) [ASCII 45 octal, 37 decimal]
* 64-73 = digits, 0 through 9
* Remaining characters can be translated any way that is convenient;
* The "TYPE" routine below is used to map them back to characters when
* necessary. The above mappings are required so that certain special
* characters are known to fit in 6 bits and/or can be easily spotted.
* Array elements beyond the end of the line should be filled with 0,
* and LNLENG should be set to the index of the last character.
*
* If the data file uses a character other than space (e.g., tab) to
* separate numbers, that character should also translate to 0.
*
* This procedure may use the map1,map2 arrays to maintain static data for
* the mapping. MAP2(1) is set to 0 when the program starts
* and is not changed thereafter unless the routines on this page choose
* to do so. */
/* Read a line of input, from the specified input source,
* translate the chars to integers in the range 0-126 and store
* them in the common array "INLINE". Integer values are as follows:
* 0 = space [ASCII CODE 40 octal, 32 decimal]
* 1-2 = !" [ASCII 41-42 octal, 33-34 decimal]
* 3-10 = '()*+,-. [ASCII 47-56 octal, 39-46 decimal]
* 11-36 = upper-case letters
* 37-62 = lower-case letters
* 63 = percent (%) [ASCII 45 octal, 37 decimal]
* 64-73 = digits, 0 through 9
* Remaining characters can be translated any way that is convenient;
* The "TYPE" routine below is used to map them back to characters when
* necessary. The above mappings are required so that certain special
* characters are known to fit in 6 bits and/or can be easily spotted.
* Array elements beyond the end of the line should be filled with 0,
* and LNLENG should be set to the index of the last character.
*
* If the data file uses a character other than space (e.g., tab) to
* separate numbers, that character should also translate to 0.
*
* This procedure may use the map1,map2 arrays to maintain static data for
* the mapping. MAP2(1) is set to 0 when the program starts
* and is not changed thereafter unless the routines on this page choose
* to do so. */
if(MAP2[1] == 0)MPINIT();
if(MAP2[1] == 0)MPINIT();
if (!oldstyle && OPENED == stdin)
fputs("> ", stdout);
do {
IGNORE(fgets(rawbuf,sizeof(rawbuf)-1,OPENED));
} while
(!feof(OPENED) && rawbuf[0] == '#');
if (feof(OPENED)) {
if (logfp && OPENED == stdin)
fclose(logfp);
} else {
if (logfp && OPENED == stdin)
IGNORE(fputs(rawbuf, logfp));
else if (!isatty(0))
IGNORE(fputs(rawbuf, stdout));
strcpy(INLINE+1, rawbuf);
LNLENG=0;
for (I=1; I<=(long)sizeof(INLINE) && INLINE[I]!=0; I++) {
VAL=INLINE[I]+1;
INLINE[I]=MAP1[VAL];
if(INLINE[I] != 0)LNLENG=I;
} /* end loop */
LNPOSN=1;
}
if (!oldstyle && OPENED == stdin)
fputs("> ", stdout);
do {
IGNORE(fgets(rawbuf,sizeof(rawbuf)-1,OPENED));
} while
(!feof(OPENED) && rawbuf[0] == '#');
if (feof(OPENED)) {
if (logfp && OPENED == stdin)
fclose(logfp);
} else {
if (logfp && OPENED == stdin)
IGNORE(fputs(rawbuf, logfp));
else if (!isatty(0))
IGNORE(fputs(rawbuf, stdout));
strcpy(INLINE+1, rawbuf);
LNLENG=0;
for (I=1; I<=(long)sizeof(INLINE) && INLINE[I]!=0; I++) {
VAL=INLINE[I]+1;
INLINE[I]=MAP1[VAL];
if(INLINE[I] != 0)LNLENG=I;
} /* end loop */
LNPOSN=1;
}
}
void TYPE(void) {
long I, VAL;
void TYPE(void)
/* Type the first "LNLENG" characters stored in inline, mapping them
* from integers to text per the rules described above. INLINE(I),
* I=1,LNLENG may be changed by this routine. */
* from integers to text per the rules described above. INLINE
* may be changed by this routine. */
{
long i;
if(LNLENG != 0) goto L10;
if(LNLENG == 0) {
printf("\n");
return;
}
L10: if(MAP2[1] == 0)MPINIT();
for (I=1; I<=LNLENG; I++) {
VAL=INLINE[I];
{long x = VAL+1; INLINE[I]=MAP2[x];}
} /* end loop */
{long x = LNLENG+1; INLINE[x]=0;}
printf("%s\n",INLINE+1);
return;
if(MAP2[1] == 0)
MPINIT();
for (i=1; i<=LNLENG; i++) {
INLINE[i]=MAP2[INLINE[i]+1];
}
INLINE[LNLENG+1]=0;
printf("%s\n", INLINE+1);
return;
}
void MPINIT(void) {
@ -846,11 +833,12 @@ L30: if(IN)IGNORE(fread(ARR,sizeof(long),250,F));
}
void DATIME(long* D, long* T) {
struct timeval tv;
gettimeofday(&tv, NULL);
*D = (long) tv.tv_sec;
*T = (long) tv.tv_usec;
void DATIME(long* D, long* T)
{
struct timeval tv;
gettimeofday(&tv, NULL);
*D = (long) tv.tv_sec;
*T = (long) tv.tv_usec;
}
long MOD(N,M)long N, M; {return(N%M);}