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Llr.c
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/*----------------------------------------------------------------------
| This file contains routines and global variables that are common for
| all operating systems the program has been ported to. It is included
| in one of the source code files of each port. See Llr.h for the
| common #defines and common routine definitions.
+---------------------------------------------------------------------*/
#define CHECK_IF_ANY_ERROR(X,J,N,K) \
checknumber = K;\
restarting = FALSE;\
will_try_larger_fft = FALSE;\
\
/* Check for excessive roundoff error */\
\
if (MAXERR > maxroundoff) {\
lasterr_point = J;\
if (J == last_bit[K] &&\
MAXERR == last_maxerr[K] && !abonroundoff && !care/*will_try_larger_fft*/) {\
clearline(100);\
OutputBoth (ERROK);\
GWERROR = 0;\
clearline(100);\
IniWriteInt(INI_FILE, (char*)"Error_Count", error_count = IniGetInt(INI_FILE, (char*)"Error_Count", 0) + 1);\
if (error_count > MAX_ERROR_COUNT) {\
OutputBoth (ERRMSG9);\
IniWriteString(INI_FILE, (char*)"Error_Count", NULL);\
will_try_larger_fft = TRUE;\
last_bit[K] = 0;\
last_maxerr[K] = 0.0;\
maxerr_recovery_mode[K] = FALSE;\
}\
else {\
OutputBoth (ERRMSG6);\
maxerr_recovery_mode[K] = TRUE;\
}\
sleep5 = FALSE;\
restarting = TRUE;\
goto error;\
} else {\
char msg[80];\
sprintf (msg, ERRMSG1C, MAXERR, maxroundoff);\
sprintf (buf, ERRMSG0L, J, N, msg);\
clearline(100);\
OutputBoth (buf);\
if (J == last_bit[K])\
will_try_larger_fft = TRUE;\
if (will_try_larger_fft) {\
OutputBoth (ERRMSG8);\
IniWriteString(INI_FILE, (char*)"Error_Count", NULL);\
last_bit[K] = 0;\
last_maxerr[K] = 0.0;\
}\
else {\
last_bit[K] = J;\
last_maxerr[K] = MAXERR;\
}\
maxerr_recovery_mode[K] = FALSE;\
sleep5 = FALSE;\
restarting = TRUE;\
goto error;\
}\
}\
\
if (ERRCHK) {\
if (MAXERR < reallyminerr && J > 30)\
reallyminerr = MAXERR;\
if (MAXERR > reallymaxerr)\
reallymaxerr = MAXERR;\
}
extern void print (double*, int); // debugging tool...
int it = 0; //cuda ; init to zero, JP 22/06/17
ssize_t wc = 0; // default return value for write function. JP 29/11/20
unsigned long format;
// Some ABC format strings
char ckstring[] = "(2^$a$b)^2-2"; // Carol/Kynea
char eckstring[] = "($a^$b$c)^2-2"; // Extended Carol/Kynea or Extended Square minus two
char cwstring[] = "$a*$b^$a$c"; // Cullen/Woodall
char ffstring[] = "$a*2^$b+1"; // FermFact output
char ffmstring[] = "$a*2^$b-1"; // Lei output
char gmstring[] = "4^$a+1"; // Gaussian Mersenne norms
char gfstring[] = "$a^$b+1"; // Special primality test for generalized Fermat numbers
char spstring[] = "(2^$a+1)/3"; // Special SPRP test for Wagstaff numbers
char dpstring[] = "DivPhi($a*$b^$c+1)"; // like-PRP test for DivPhi(...,2)
char repustring[] = "(10^$a-1)/9"; // PRP test for repunits numbers
char grepustring[] = "($a^$b-1)/($a-1)";// PRP test for generalized repunits numbers
char diffnumpstring[] = "$a^$b-$a^$c+%d";// If $b>$c, it is [$a^($b-$c)-1]*$a^$c+%d so, form K*B^N+C
char diffnummstring[] = "$a^$b-$a^$c-%d";// If $b>$c, it is [$a^($b-$c)-1]*$a^$c-%d so, form K*B^N+C
char diffnumstring[] = "$a^$b-$a^$c$d"; // General diffnum format
// Fixed k and c forms for k*b^n+c
char fkpstring[] = ""$LLF"*$a^$b+%d";
char fkmstring[] = ""$LLF"*$a^$b-%d";
// Fixed b and c forms for k*b^n+c
char fbpstring[] = "$a*"$LLF"^$b+%d";
char fbmstring[] = "$a*"$LLF"^$b-%d";
// Fixed n and c forms for k*b^n+c
char fnpstring[] = "$a*$b^%lu+%d";
char fnmstring[] = "$a*$b^%lu-%d";
// Fixed k forms for k*b^n+c
char fkastring[] = ""$LLF"*$a^$b$c";
// Fixed b forms for k*b^n+c
char fbastring[] = "$a*"$LLF"^$b$c";
// Fixed n forms for k*b^n+c
char fnastring[] = "$a*$b^%lu$c";
// Fixed c forms for k*b^n+c
char abcpstring[] = "$a*$b^$c+%d";
char abcmstring[] = "$a*$b^$c-%d";
// General k*b^n+c format
char abcastring[] = "$a*$b^$c$d";
// k*b^n+c format with k, b, c fixed
char abcnstring[] = "%lu*%lu^n%d";
// General (k*b^n+c)/d format
char abcadstring[] = "($a*$b^$c$d)/$e";
// (k*b^n+c)/d format with k, b, c, d fixed
char abcndstring[] = "(%lu*%lu^n%d)/%lu";
// Test the primality of a number given as a string
char numberstring[] = "$a";
// Test if $a is a base $b Wieferich prime
char wftstring[] = "$a$b";
// Search for base $c Wieferich primes in the range $a to $b
char wfsstring[] = "$a$b$c";
#define ABCVARAQS 19 // k, b, n, c and divisor specified on each input line or header
#define ABCVARAS 18 // k, b, n, and c specified on each input line or header
#define ABCDP 28 // Format used for DivPhi()
#define ABCECK 29 // Format used for Extended square minus two
/* Process a number from newpgen output file */
/* NEWPGEN output files use the mask as defined below: */
#define MODE_PLUS 0x01 /* k.b^n+1 */
#define MODE_MINUS 0x02 /* k.b^n-1 */
#define MODE_2PLUS 0x04 /* k.b^(n+1)+1 (*) */
#define MODE_2MINUS 0x08 /* k.b^(n+1)-1 (*) */
#define MODE_4PLUS 0x10 /* k.b^(n+2)+1 (*) */
#define MODE_4MINUS 0x20 /* k.b^(n+2)-1 (*) */
#define MODE_PRIMORIAL 0x40 /* PRIMORIAL - can't handle this */
#define MODE_PLUS5 0x80 /* k.b^n+5 */
#define MODE_2MINUS3 0x2000 /* 2k.b^n-3 JP 20/07/23 */
#define MODE_AP 0x200 /* 2^n+2k-1 */
#define MODE_PLUS7 0x800 /* k.b^n+7 */
#define MODE_2PLUS3 0x1000 /* 2k.b^n+3 */
#define MODE_DUAL 0x8000
#define MODE_PLUS_DUAL 0x8001 /* b^n+k */
#define MODE_MINUS_DUAL 0x8002 /* b^n-k */
#define MODE_NOTGENERALISED 0x400
/* Define the world/group/owner read/write attributes for creating files */
/* I've always used 0666 in Unix (everyone gets R/W access), but MSVC 8 */
/* now refuses to work with that setting -- insisting on 0600 instead. */
#ifdef _WIN32
#define CREATE_FILE_ACCESS 0600
#else
#define CREATE_FILE_ACCESS 0666
#endif
#define IBSIZE 300
#define _log2(x) log(x)/log(2)
char greatbuf[10001] = {0};
char INI_FILE[80] = {0};
char SVINI_FILE[80] = {0};
char RESFILE[80] = {0};
char LOGFILE[80] = {0};
char EXTENSION[8] = {0};
int ERRCHK = 0;
unsigned int PRIORITY = 1;
unsigned int CPU_AFFINITY = 99;
unsigned int CPU_MASK = 0;
unsigned int CPU_TYPE = 0;
unsigned long volatile ITER_OUTPUT = 0;
unsigned long volatile ITER_OUTPUT_RES = 99999999;
unsigned long volatile DISK_WRITE_TIME = 30;
unsigned long INTERIM_FILES = 0;
unsigned long INTERIM_RESIDUES = 0;
int CLASSIC_OUTPUT = 0;
int OUTPUT_ROUNDOFF = 0;
int CUMULATIVE_ROUNDOFF = 1;
int NUM_BACKUP_FILES = 3; // was 3
int NUM_JACOBI_BACKUP_FILES = 2; // was 2
int RUN_ON_BATTERY = 1;
int TRAY_ICON = TRUE;
int HIDE_ICON = FALSE;
int mul_final = 0;
double UNOFFICIAL_CPU_SPEED = 0.0;
unsigned int WORKTODO_COUNT = 0;/* Count of valid work lines */
unsigned int ROLLING_AVERAGE = 0;
unsigned int PRECISION = 2;
unsigned long NUM_CPUS = 1; /* Number of CPUs/Cores in the computer */
unsigned long NUM_WORKER_THREADS = 1;
int TWO_BACKUP_FILES = 1;
int HIGH_RES_TIMER = 0;
int usingDivPhi_m = 0;
int string_rep_truncated = FALSE;
int recovering = FALSE;
unsigned long CPU_SPEED = 25;
int ZERO_PADDED_FFT;
int GWERROR = 0;
double maxdiffmult = 1.0;
/* PRP and LLR global variables */
#define sgkbufsize 20000
giant N = NULL; /* Number being tested */
giant NP = NULL; /* Number being tested */
giant M = NULL; /* Gaussian Mersenne modulus = N*NP */
giant gk = NULL; /* k multiplier */
giant gb = NULL; /* Generalized Fermat base may be a large integer... */
unsigned long Nlen = 0; /* Bit length of number being LLRed or PRPed */
unsigned long klen = 0; /* Number of bits of k multiplier */
unsigned long n_orig; /* exponent associated to initial base sgb */
long OLDFFTLEN = 0; /* previous value of FFTLEN, used by setuponly option */
unsigned long ndiff = 0;/* used for b^n-b^m+c number processing */
unsigned long gformat; /* used for b^n-b^m+c number processing */
unsigned long possiblyfalsenegative = 0;
struct work_unit *w = NULL; // Work to do data as described in Prime95
/* Other gwypnum globals */
giant testn, testnp;
unsigned long facn = 0, facnp = 0;
int resn = 0, resnp = 0;
char facnstr[80], facnpstr[80];
char multiplier[IBSIZE], base[IBSIZE], exponent[IBSIZE], exponent2[IBSIZE], addin[IBSIZE], divisors[IBSIZE];
char string_rep[80];
char sgd[sgkbufsize];
char sgb[sgkbufsize];
char bpfstring[sgkbufsize];
char cMAXBPD[10]={0};
static unsigned long last_bit[10] = {0};
static double last_suminp[10] = {0.0};
static double last_sumout[10] = {0.0};
static double last_maxerr[10] = {0.0};
static double maxroundoff = 0.40;
double MAXBPD = 37.0;
static unsigned long mask;
extern int zcomplex; // CUDA
extern int cufftonly; // CUDA
unsigned int fermat_only = FALSE;
unsigned int strong = TRUE;
unsigned int quotient = FALSE;
unsigned int vrbareix = FALSE;
unsigned int dualtest = FALSE;
unsigned int bpsw = FALSE;
unsigned int setuponly = FALSE;
unsigned int nosaving = FALSE;
unsigned int abonillsum = FALSE;
unsigned int abonmismatch = FALSE;
unsigned int testgm = FALSE;
unsigned int testgq = FALSE;
unsigned int testfac = FALSE;
unsigned int nofac = FALSE;
unsigned int general = FALSE;
unsigned int eps2 = FALSE;
unsigned int vdebug = FALSE;
unsigned int restarting = FALSE;
// Actually set by Roundoff error condition ; reset by the macro.
unsigned int care = FALSE; // Set after a careful iteration ; reset after a normal one.
unsigned int nbfftinc = 0; // Number of required FFT increments.
unsigned int maxfftinc = 3; // Maximum accepted FFT increments.
unsigned int aborted = FALSE;
unsigned int abonroundoff = FALSE;
unsigned int will_try_larger_fft = FALSE;
unsigned int checknumber = 0;
unsigned int error_count = 0;
// Number of reproducible errors that previously occured.
unsigned int sleep5 = FALSE, showdigits = FALSE;
unsigned int maxerr_recovery_mode [10] = {0};
unsigned int lasterr_point = 0;
unsigned long primolimit = 30000;
unsigned long ifnear = FALSE;
unsigned long maxaprcl = 400;
unsigned long interimFiles, interimResidues, throttle, facfrom, facto;
unsigned long factored = 0, eliminated = 0;
unsigned long pdivisor = 1000000, pquotient = 1;
unsigned long bpf[30], bpc[30], vpf[30];
// Base prime factors, cofactors, power of p.f.
unsigned long *t = NULL,*ta = NULL;// Precrible arrays, dynamically allocated.
unsigned long smallprime[168] = // Small primes < 1000
{2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,
73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,
179, 181, 191, 193, 197, 199, 211, 223, 227, 229,
233, 239, 241, 251, 257, 263, 269, 271, 277, 281,
283, 293, 307, 311, 313, 317, 331, 337, 347, 349,
353, 359, 367, 373, 379, 383, 389, 397, 401, 409,
419, 421, 431, 433, 439, 443, 449, 457, 461, 463,
467, 479, 487, 491, 499, 503, 509, 521, 523, 541,
547, 557, 563, 569, 571, 577, 587, 593, 599, 601,
607, 613, 617, 619, 631, 641, 643, 647, 653, 659,
661, 673, 677, 683, 691, 701, 709, 719, 727, 733,
739, 743, 751, 757, 761, 769, 773, 787, 797, 809,
811, 821, 823, 827, 829, 839, 853, 857, 859, 863,
877, 881, 883, 887, 907, 911, 919, 929, 937, 941,
947, 953, 967, 971, 977, 983, 991, 997};
unsigned long smallphi[10] = {1,2,4,6,10,12,16,18,22,28};
giantstruct* gbpf[30] = {NULL}; // Large integer prime factors
giantstruct* gbpc[30] = {NULL}; // Large integer cofactors
unsigned long nrestarts = 0;
// Nb. of restarts for an N+1 or N-1 prime test
int nbdg = 0, nbdg1, nbdg2;
unsigned long globalb = 2; // base of the candidate in a global
double globalk = 1.0; // k value of the candidate in a global
double pcfftlim = 0.5;
int readlg, writelg; // Values returned by low level I/O
double smargin = 0.0;
int genProthBase(giant, uint32_t);
long generalLucasBase(giant , uint32_t *, uint32_t *);
unsigned long gcd (
unsigned long x,
unsigned long y);
unsigned long ulbitlen (unsigned long);
unsigned long ulbitval (unsigned long, unsigned long);
/* Utility output routines */
void LineFeed ()
{
#ifndef WIN32
OutputStr ((char*)"\r");
#elif defined (_CONSOLE)
OutputStr ((char*)"\r");
#else
OutputStr ((char*)"\n");
#endif
}
void OutputNum (
unsigned long num)
{
char buf[20];
sprintf (buf, "%lu", num);
OutputStr (buf);
}
#define MAX_ERROR_COUNT 5
/* Routines missing from GMP */
#define mpz_add_si(d,s,addin) if (addin >= 0) mpz_add_ui(d,s,(unsigned int)addin); else mpz_sub_ui(d,s,(unsigned int)(-addin));
#define mpz_mul_d(d,s,flt) { mpz_t t; mpz_init_set_d(t,flt); mpz_mul(d,s,t); mpz_clear(t); }
#define mpz_eq(a,b) mpz_cmp(a,b) == 0
char ERROK[] = "Disregard last error. Result is reproducible and thus not a hardware problem.\n";
char ERRMSG0L[] = "Iter: %ld/%ld, %s";
char ERRMSG0[] = "Bit: %ld/%ld, %s";
char ERRMSG1A[] = "ERROR: ILLEGAL SUMOUT\n";
char ERRMSG1B[] = "ERROR: SUM(INPUTS) != SUM(OUTPUTS), %.16g != %.16g\n";
char ERRMSG1C[] = "ERROR: ROUND OFF (%.10g) > %.10g\n";
char ERRMSG2[] = "Possible hardware failure, consult the readme file.\n";
char ERRMSG3[] = "Continuing from last save file.\n";
char ERRMSG4[] = "Waiting five minutes before restarting.\n";
char ERRMSG5[] = "Fatal Error, Check Number = %d, test of %s aborted\n";
char ERRMSG6[] = "For added safety, redoing iteration using a slower, more reliable method.\n";
char ERRMSG7[] = "Fatal Error, divisibility test of %d^(N-1)-1 aborted\n";
char ERRMSG8[] = "Unrecoverable error, Restarting with larger FFT length...\n";
char ERRMSG9[] = "Too much errors ; Restarting with larger FFT length...\n";
char ERRMSG60[] = "ERROR: Comparing double-check values failed. Rolling back to iteration %lu.\n";
char ERRMSG70[] = "ERROR: Comparing Gerbicz checksum values failed. Rolling back to iteration %lu.\n";
char ERRMSG80[] = "ERROR: Invalid FFT data. Restarting from last save file.\n";
char ERRMSG90[] = "ERROR: Invalid PRP state. Restarting from last save file.\n";
char WRITEFILEERR[] = "Error writing intermediate file: %s\n";
void trace(int n) { // Debugging tool...
char buf[100];
sprintf(buf, "OK until number %d\n", n);
if (verbose)
OutputBoth (buf);
else
OutputStr (buf);
}
// giant divg, gcdg and invert functions implementations using GNU MP library functions
void gwypuldivg (unsigned long divisor, giant theg) {
mpz_t rop, op1, op2;
mpz_init (rop); // allocate mpz memory
mpz_init (op1);
mpz_init (op2);
gtompz (theg, op1); // theg ==> op1
mpz_set_ui (op2, divisor);
mpz_divexact (rop, op1, op2);
mpztog (rop, theg);
mpz_clear (rop);
mpz_clear (op1);
mpz_clear (op2);
}
void gwypdivg (giant divisor, giant theg) {
mpz_t rop, op1, op2;
mpz_init (rop); // allocate mpz memory
mpz_init (op1);
mpz_init (op2);
gtompz (theg, op1); // theg ==> op1
gtompz (divisor,op2); // divisor ==> op2
mpz_divexact (rop, op1, op2);
mpztog (rop, theg); // rop ==> theg
mpz_clear (rop);
mpz_clear (op1);
mpz_clear (op2);
}
unsigned long gwypgcdui (giant g, unsigned long x) {
mpz_t rop, op1;
unsigned long result;
mpz_init (rop); // allocate mpz memory
mpz_init (op1);
gtompz (g, op1); // g ==> op1
result = mpz_gcd_ui (rop, op1, x); // returns zero if x is zero, but then, gcd is g...
mpz_clear (rop); // free mpz memory
mpz_clear (op1);
return (result);
}
void gwypgcdg (giant g1, giant g2) {
mpz_t rop, op1, op2;
mpz_init (rop); // allocate mpz memory
mpz_init (op1);
mpz_init (op2);
gtompz (g1, op1); // g1 ==> op1
gtompz (g2, op2); // g2 ==> op2
mpz_gcd (rop, op1, op2); // gcd (op1, op2) ==> rop
mpztog (rop, g2); // rop ==> g2
mpz_clear (rop); // free mpz memory
mpz_clear (op1);
mpz_clear (op2);
}
int gwypinvg (giant g1, giant g2) {
int result;
mpz_t rop, op1, op2;
mpz_init (rop); // allocate mpz memory
mpz_init (op1);
mpz_init (op2);
gtompz (g1, op1); // g1 ==> op1
gtompz (g2, op2); // g2 ==> op2
result = mpz_invert (rop, op2, op1); // invert of op2 mod op1 ==> rop
if (result == 0) {
mpz_gcd (rop, op1, op2);
OutputBoth ((char*)"inverse does not exist, so, gcd is returned in second operand...\n");
}
mpztog (rop, g2); // rop ==> g2
mpz_clear (rop); // free mpz memory
mpz_clear (op1);
mpz_clear (op2);
return (result);
}
//*******************************************************************************
void clearline (int size) {
char buf[256];
int i;
for (i=0; i<256; i++)
buf[i] = '\0';
for (i=0; i<size; i++)
buf[i] = ' ';
buf[size-1] = '\r';
#if !defined(WIN32) || defined(_CONSOLE)
OutputStr(buf);
#endif
}
void clearbuf (char *b) {
int i;
for (i=0;i<strlen (b);i++)
b[i] = ' ';
b[i] = '\0';
}
int digitstrcmp (const char *s1, const char *s2) {
if (strlen (s1) < strlen (s2))
return (-1);
else if (strlen (s1) > strlen (s2))
return (1);
else
return (strcmp (s1, s2));
}
int SleepFive ()
{
int i;
OutputStr (ERRMSG4);
BlinkIcon (10); /* Blink icon for 10 seconds */
Sleep (10000);
ChangeIcon (IDLE_ICON); /* Idle icon for rest of 5 minutes */
for (i = 0; i < 290; i++) {
Sleep (1000);
if (escapeCheck ()) return (FALSE);
}
ChangeIcon (WORKING_ICON);
/* And back to the working icon */
return (TRUE);
}
/* Generate the scaling factors for ITER_OUTPUT in the rare cases where the user */
/* has used some undoc.txt settings to change how often the title is output or to */
/* make the frequency roughly the same in all windows even if using different FFT sizes. */
void calc_output_frequencies (
double *output_frequency, /* Calculated adjustment to ITER_OUTPUT */
double *output_title_frequency)/* Calculated adjustment to ITER_OUTPUT for title */
{
int title_freq;
// double exp, temp;
*output_frequency = 1.0;
/* Calculate the title frequency as a fraction of the output frequency */
title_freq = (int) IniGetInt (INI_FILE, (char*)"TitleOutputFrequency", 1);
if (title_freq < 1) title_freq = 1;
*output_title_frequency = *output_frequency / (double) title_freq;
}
/* Truncate a percentage to the requested number of digits. */
/* Truncating prevents 99.5% from showing up as 100% complete. */
double trunc_percent (
double percent)
{
if (percent > 100.0) percent = 100.0;
percent -= 0.5 * pow (10.0, - (double) PRECISION);
if (percent < 0.0)
return (0.0);
return (percent);
}
// Test if a string contains only valid digits.
int isDigitString(char *s) {
while (*s) {
if (!isdigit(*s))
return (FALSE);
s++;
}
return (TRUE);
}
// The eight timer routines are now in the gwypnum.cu file
void OutputTimeStamp ()
{
time_t this_time;
char tbuf[40], buf[40];
time (&this_time);
strcpy (tbuf, ctime (&this_time)+4);
tbuf[12] = 0;
sprintf (buf, "[%s] ", tbuf);
OutputStr (buf);
}
/* Determine if a small number is prime */
int isPrime (
unsigned long p)
{
unsigned long i;
if (p < 2) // 1 is not prime.
return (FALSE);
for (i = 2; (i < 65536) && (i*i <= p); i = (i + 1) | 1)
// Avoid an overflow when computing i*i ...
if (p % i == 0)
return (FALSE);
return (TRUE);
}
/* Determine the names of the INI files */
void nameIniFiles (
int named_ini_files)
{
char buf[120];
if (named_ini_files < 0) {
strcpy (INI_FILE, "llr.ini");
strcpy (RESFILE, "lresults.txt");
strcpy (LOGFILE, "lprime.log");
strcpy (EXTENSION, "");
}
else {
sprintf (INI_FILE, "llr%04d.ini", named_ini_files);
sprintf (RESFILE, "lresu%04d.txt", named_ini_files);
sprintf (LOGFILE, "lprim%04d.log", named_ini_files);
sprintf (EXTENSION, ".%03d", named_ini_files);
}
/* Let the user rename these files and pick a different working directory */
IniGetString (INI_FILE, (char*)"WorkingDir", buf, sizeof(buf), NULL);
IniGetString (INI_FILE, (char*)"results.txt", RESFILE, 80, RESFILE);
IniGetString (INI_FILE, (char*)"prime.log", LOGFILE, 80, LOGFILE);
IniGetString (INI_FILE, (char*)"prime.ini", INI_FILE, 80, INI_FILE);
if (buf[0]) {
if (_chdir (buf))
printf ("Could not change the working directory...\n");
;
IniFileOpen (INI_FILE, 0);
}
}
/* Read the INI files */
void readIniFiles ()
{
int temp;
const char *p;
char cpustring[100];
PRECISION = (unsigned int) IniGetInt (INI_FILE, (char*)"PercentPrecision", 2);
if (PRECISION > 6)
PRECISION = 6;
ITER_OUTPUT = IniGetInt (INI_FILE, (char*)"OutputIterations", 10000);
if (ITER_OUTPUT <= 0)
ITER_OUTPUT = 1;
ITER_OUTPUT_RES = IniGetInt (INI_FILE,
(char*)"ResultsFileIterations", 99999999);
if (ITER_OUTPUT_RES < 1000)
ITER_OUTPUT_RES = 1000;
DISK_WRITE_TIME = IniGetInt (INI_FILE, (char*)"DiskWriteTime", 30);
TWO_BACKUP_FILES = (int) IniGetInt (INI_FILE,
(char*)"TwoBackupFiles", 1);
RUN_ON_BATTERY = (int) IniGetInt (INI_FILE, (char*)"RunOnBattery",
1);
temp = (int) IniGetInt (INI_FILE, (char*)"ErrorCheck", 0);
ERRCHK = (temp != 0);
PRIORITY = (unsigned int) IniGetInt (INI_FILE, (char*)"Priority",
1);
CPU_AFFINITY = (unsigned int) IniGetInt (INI_FILE,
(char*)"Affinity", 99);
if (CPU_AFFINITY!=99) {
CPU_MASK = 1<<CPU_AFFINITY;
IniGetString (INI_FILE, (char*)"Affinity", cpustring, 100, (char*)"99");
p = strchr (cpustring, ',');
while (p != NULL) {
p++;
sscanf (p, "%d", &CPU_AFFINITY);
CPU_MASK |= 1<<CPU_AFFINITY;
p = strchr (p, ',');
}
printf ("CPU_MASK = %d\n", CPU_MASK);
}
HIDE_ICON = (int) IniGetInt (INI_FILE, (char*)"HideIcon", 0);
TRAY_ICON = (int) IniGetInt (INI_FILE, (char*)"TrayIcon", 1);
/* Other oddball options */
CUMULATIVE_TIMING = IniGetInt (INI_FILE, (char*)"CumulativeTiming",
0);
}
/*----------------------------------------------------------------------
| Portable routines to read and write ini files! NOTE: These only
| work if you open no more than 5 ini files. Also you must not
| change the working directory at any time during program execution.
+---------------------------------------------------------------------*/
struct IniLine {
char *keyword;
char *value;
int active;
};
struct IniCache {
char *filename;
int immediate_writes;
int dirty;
unsigned int num_lines;
unsigned int array_size;
struct IniLine **lines;
};
void growIniLineArray (
struct IniCache *p)
{
struct IniLine **newlines;
if (p->num_lines != p->array_size) return;
newlines = (struct IniLine **)
malloc ((p->num_lines + 100) * sizeof (struct IniLine **));
if (p->num_lines) {
memcpy (newlines, p->lines, p->num_lines * sizeof (struct IniLine *));
gwypfree (p->lines);
}
p->lines = newlines;
p->array_size = p->num_lines + 100;
}
struct IniCache *openIniFile (
char *filename,
int forced_read)
{
static struct IniCache *cache[10] = {0};
struct IniCache *p;
FILE *fd;
unsigned int i;
char line[80];
char *val;
/* See if file is cached */
for (i = 0; i < 10; i++) {
p = cache[i];
if (p == NULL) {
p = (struct IniCache *) malloc (sizeof (struct IniCache));
p->filename = (char *) malloc (strlen (filename) + 1);
strcpy (p->filename, filename);
p->immediate_writes = 1;
p->dirty = 0;
p->num_lines = 0;
p->array_size = 0;
p->lines = NULL;
forced_read = 1;
cache[i] = p;
break;
}
if (strcmp (filename, p->filename) == 0)
break;
}
/* Skip reading the ini file if appropriate */
if (!forced_read) return (p);
if (p->dirty) return (p);
/* Free the data if we've already read some in */
for (i = 0; i < p->num_lines; i++) {
gwypfree (p->lines[i]->keyword);
gwypfree (p->lines[i]->value);
gwypfree (p->lines[i]);
}
p->num_lines = 0;
/* Read the IniFile */
fd = fopen (filename, "r");
if (fd == NULL)
return (p);
while (fgets (line, 80, fd)) {
if (line[strlen(line)-1] == '\n')
line[strlen(line)-1] = 0;
if (line[0] == 0)
continue;
if (line[strlen(line)-1] == '\r')
line[strlen(line)-1] = 0;
if (line[0] == 0)
continue;
val = strchr (line, '=');
if (val == NULL) {
char buf[130];
sprintf (buf, "Illegal line in INI file: %s\n", line);
OutputSomewhere (buf);
continue;
}
*val++ = 0;
growIniLineArray (p);
/* Allocate and fill in a new line structure */
i = p->num_lines++;
p->lines[i] = (struct IniLine *) malloc (sizeof (struct IniLine));
p->lines[i]->keyword = (char *) malloc (strlen (line) + 1);
p->lines[i]->value = (char *) malloc (strlen (val) + 1);
p->lines[i]->active = TRUE;
strcpy (p->lines[i]->keyword, line);
strcpy (p->lines[i]->value, val);
}
fclose (fd);
return (p);
}
void writeIniFile (
struct IniCache *p)
{
int fd;
unsigned int j;
char buf[100];
/* Delay writing the file unless this INI file is written */
/* to immediately */
if (!p->immediate_writes) {
p->dirty = 1;
return;
}
/* Create and write out the INI file */
fd = _open (p->filename, _O_CREAT | _O_TRUNC | _O_WRONLY | _O_TEXT, 0666);
if (fd < 0) return;
for (j = 0; j < p->num_lines; j++) {
strcpy (buf, p->lines[j]->keyword);
strcat (buf, "=");
strcat (buf, p->lines[j]->value);
strcat (buf, "\n");
wc = _write (fd, buf, strlen (buf));
}
p->dirty = 0;
_close (fd);
}
void save_IniFile (char *filename, char *savedfilename) {
struct IniCache *p;
p = openIniFile (filename, 1); // open and read the source IniFile.
p->filename = savedfilename;
// put the target filename in the structure.
writeIniFile (p); // Write the target.
p->filename = filename; // Restore the structure in memory.
}
void truncated_strcpy (
char *buf,
unsigned int bufsize,
char *val)
{
if (strlen (val) >= bufsize) {
memcpy (buf, val, bufsize-1);
buf[bufsize-1] = 0;
}
else {
strcpy (buf, val);
}
}
void IniGetString (
char *filename,
char *keyword,
char *val,
unsigned int val_bufsize,
char *default_val)
{
struct IniCache *p;
unsigned int i;
/* Open ini file */
p = openIniFile (filename, 1);
/* Look for the keyword */
for (i = 0; ; i++) {
if (i == p->num_lines) {
if (default_val == NULL) {
val[0] = 0;
}
else {
truncated_strcpy (val, val_bufsize, default_val);
}
return;
}
if (p->lines[i]->active &&
stricmp (keyword, p->lines[i]->keyword) == 0)
break;
}
/* Copy info from the line structure to the user buffers */
truncated_strcpy (val, val_bufsize, p->lines[i]->value);
}
long IniGetInt (
char *filename,
char *keyword,
long default_val)
{
char buf[20], defval[20];
sprintf (defval, "%ld", default_val);
IniGetString (filename, keyword, buf, 20, defval);
return (atol (buf));
}
void IniWriteString (
char *filename,
char *keyword,
char *val)
{
struct IniCache *p;
unsigned int i, j;
/* Open ini file */
p = openIniFile (filename, 1);
/* Look for the keyword */
for (i = 0; ; i++) {
if (i == p->num_lines ||
stricmp (p->lines[i]->keyword, "Time") == 0) {
/* Ignore request if we are deleting line */
if (val == NULL) return;
/* Make sure the line array has room for the new line */
growIniLineArray (p);
/* Shuffle entries down to make room for this entry */
for (j = p->num_lines; j > i; j--)
p->lines[j] = p->lines[j-1];
/* Allocate and fill in a new line structure */
p->lines[i] = (struct IniLine *) malloc (sizeof (struct IniLine));
p->lines[i]->keyword = (char *) malloc (strlen (keyword) + 1);
strcpy (p->lines[i]->keyword, keyword);
p->lines[i]->value = NULL;
p->num_lines++;
break;
}
if (p->lines[i]->active &&
stricmp (keyword, p->lines[i]->keyword) == 0) {
if (val != NULL && strcmp (val, p->lines[i]->value) == 0)
return;
break;
}
}
/* Delete the line if requested */
if (val == NULL) {
IniDeleteLine (filename, i+1);
return;
}
/* Replace the value associated with the keyword */
gwypfree (p->lines[i]->value);
p->lines[i]->value = (char *) malloc (strlen (val) + 1);
strcpy (p->lines[i]->value, val);
/* Write the INI file back to disk */
writeIniFile (p);
}
void IniWriteInt (
char *filename,