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- /*****************************************************************************
- * replacer for the MSDOS functions. *
- * *
- * Written by: Gershon Elber Ver 1.0, Aug. 1991 *
- *****************************************************************************/
-
- #include <math.h>
- #include <time.h>
- #include <stdio.h>
- #include <string.h>
- #include <ctype.h>
- #ifdef OS2GCC
- #define INCL_DOSPROCESS
- #include <os2.h>
- #endif /* OS2GCC */
- #ifdef SGINAP
- #include <limits.h>
- #endif /* SGINAP */
- #ifdef __WINNT__
- #include <windows.h>
- #else
- #include <sys/types.h>
- #if !(defined(AMIGA) && defined(__SASC))
- #include <sys/times.h>
- #include <sys/param.h>
- #endif /* !(AMIGA && __SASC) */
- #ifndef HZ
- #define HZ 60
- #endif /* HZ */
- #endif /* __WINNT__ */
-
- #include "irit_sm.h"
- #include "imalloc.h"
-
- /*****************************************************************************
- * Routine to duplicate a string. Exists in some implementations. *
- *****************************************************************************/
- char *IritStrdup(char *s)
- {
- char
- *p = IritMalloc(strlen(s) + 1);
-
- if (p == NULL)
- return NULL;
-
- strcpy(p, s);
-
- return p;
- }
-
- /*****************************************************************************
- * Routine to force a process to sleep. *
- *****************************************************************************/
- void IritSleep(int MiliSeconds)
- {
- #ifdef USLEEP
- usleep(MiliSeconds * 1000);
- #else
- #ifdef SGINAP
- sginap((long) (MAX(CLK_TCK * MiliSeconds / 1000, 1)));
- #else
- #ifdef OS2GCC
- DosSleep(MiliSeconds);
- #else
- #ifdef __WINNT__
- Sleep(MiliSeconds);
- #else
- int i;
-
- for (i = MiliSeconds * 1000; i > 0; i--);
- #endif /* __WINNT__ */
- #endif /* OS2GCC */
- #endif /* SGINAP */
- #endif /* USLEEP */
- }
-
- /*****************************************************************************
- * Routine to initialize the random number generator. *
- *****************************************************************************/
- void IritRandomInit(long Seed)
- {
- #ifdef RAND
- srand(Seed);
- #else
- #ifdef RAND48
- srand48(Seed);
- #else
- srandom(Seed);
- #endif /* RAND48 */
- #endif /* RAND */
- }
-
- /*****************************************************************************
- * Routine to compute a random number in a specified range. *
- *****************************************************************************/
- RealType IritRandom(RealType Min, RealType Max)
- {
- long R;
-
- #ifdef RAND
- R = rand();
- #else
- #ifdef RAND48
- R = lrand48();
- #else
- R = random();
- #endif /* RAND48 */
- #endif /* RAND */
-
- #if defined(OS2GCC) || defined(sgi)
- return Min + (Max - Min) * (R & RAND_MAX) / ((double) RAND_MAX);
- #else
- return Min + (Max - Min) * (R & 0x7fffffff) / ((double) 0x7fffffff);
- #endif /* OS2GCC || sgi */
- }
-
- /*****************************************************************************
- * Routine to compute the cpu time of the running process. *
- * If Reset, then time count is cleared to zero. *
- *****************************************************************************/
- RealType IritCPUTime(int Reset)
- {
- static RealType
- LastTime = 0.0;
- RealType Time;
-
- if (Reset) {
- #ifdef TIMES
- struct tms tim;
-
- times(&tim);
-
- LastTime = (tim.tms_utime + tim.tms_stime) / ((RealType) HZ);
- #else
- LastTime = time(NULL); /* No real timing routines!? */
- #endif /* __WINNT__ */
-
- return 0.0;
- }
-
- #ifdef TIMES
- {
- struct tms tim;
-
- times(&tim);
-
- Time = (tim.tms_utime + tim.tms_stime) / ((RealType) HZ) - LastTime;
- }
- #else
- Time = time(NULL) - LastTime;
- #endif /* TIMES */
-
- return Time;
- }
-
- /*****************************************************************************
- * Routine to create and return a string describing current date and time. *
- *****************************************************************************/
- char *IritRealTimeDate(void)
- {
- static char StrTime[LINE_LEN];
- int i;
- long
- t = (long) time(NULL);
-
- strncpy(StrTime, ctime(&t), LINE_LEN - 1);
-
- /* Remove trailing EOL. */
- for (i = strlen(StrTime) - 1; StrTime[i] < ' ' && i >= 0; i--);
- StrTime[i + 1] = 0;
-
- return StrTime;
- }
-
- #ifndef AMIGA
- /*****************************************************************************
- * Routine to move a block in memory. Unlike memcpy/bcopy, this routine *
- * should support overlaying blocks. This stupid implemetation will copy it *
- * twice - to a temporary block and back again. The temporary block size will *
- * be allocated by demand. *
- *****************************************************************************/
- void movmem(VoidPtr Src, VoidPtr Dest, int Len)
- {
- VoidPtr
- p = IritMalloc(Len);
-
- memcpy(p, Src, Len);
- memcpy(Dest, p, Len);
-
- IritFree(p);
- }
- #endif /* AMIGA */
-
- /*****************************************************************************
- * Routine to concat a full path to a given name - used in non MSDOS *
- * environment only, and in that case assumes path is in IRIT_PATH variable. *
- *****************************************************************************/
- char *searchpath(char *Name)
- {
- static char FullPath[LINE_LEN_LONG];
- char *p;
-
- if ((p = getenv("IRIT_PATH")) != NULL) {
- strcpy(FullPath, p);
- strcat(FullPath, Name);
- }
- else {
- static int Printed = FALSE;
-
- strcpy(FullPath, Name);
-
- if (!Printed) {
- fprintf(stderr,
- "IRIT_PATH env. not set. Only current directory is being searched.\n");
- Printed = TRUE;
- }
- }
- return FullPath;
- }
-
- #ifdef STRICMP
- /*****************************************************************************
- * Routine to compare two strings, ignoring case, up to given length. *
- *****************************************************************************/
- int strnicmp(char *s1, char *s2, int n)
- {
- /* Use to be simply 'return strncasecmp(s1, s2, n);' but seems that some */
- /* unix systems (sun4?) does have it so here it is explicitly. */
- /* Written by Reiner Wilhelms <reiner@shs.ohio-state.edu>. */
- int i;
- char c1, c2;
-
- for (i = 0; i < n; i++) {
- if (islower(s1[i]))
- c1 = toupper(s1[i]);
- else
- c1 = s1[i];
- if (islower(s2[i]))
- c2 = toupper(s2[i]);
- else
- c2 = s2[i];
-
- if (c1 != c2) {
- if (c1 > c2)
- return 1;
- if (c1 < c2)
- return -1;
- }
- }
- return 0;
- }
-
- /*****************************************************************************
- * Routine to compare two strings, ignoring their case. *
- *****************************************************************************/
- int stricmp(char *s1, char *s2)
- {
- int i;
- char *u1, *u2;
-
- if (s1 == NULL)
- return s2 != NULL;
- else if (s2 == NULL)
- return 1;
-
- u1 = IritStrdup(s1);
- u2 = IritStrdup(s2);
-
- for (i = 0; i < (int) strlen(u1); i++)
- if (islower(u1[i]))
- u1[i] = toupper(u1[i]);
- for (i = 0; i < (int) strlen(u2); i++)
- if (islower(u2[i]))
- u2[i] = toupper(u2[i]);
-
- i = strcmp(u1, u2);
-
- IritFree(u1);
- IritFree(u2);
-
- return i;
- }
- #endif /* STRICMP */
-
- #ifdef STRSTR
- /*****************************************************************************
- * Routine to search for pattern (no regular expression) in s. Returns *
- * address in s of first occurance of patern, NULL if non found. *
- *****************************************************************************/
- char *strstr(char *s, char *Pattern)
- {
- int Len = strlen(Pattern);
- char
- *p = (char *) s;
-
- while (p = strchr(p, Pattern[0]))
- if (strncmp(p, Pattern, Len) == 0)
- return p;
- else
- p++;
-
- return NULL;
- }
- #endif /* STRSTR */
-
- #ifdef GETCWD
- /*****************************************************************************
- * Get current working directory - BSD4.3. *
- *****************************************************************************/
- char *getcwd(char *s, int Len)
- {
- getwd(s);
-
- return s;
- }
- #endif /* GETCWD */
-