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1.1 root 1: /*
2: Hatari
3:
4: Misc functions
5: */
6:
7: #include "main.h"
8: #include "debug.h"
9: #include "errlog.h"
10: #include "file.h"
11: #include "m68000.h"
12: #include "memAlloc.h"
13: #include "misc.h"
14:
15: long RandomNum;
16:
1.1.1.2 ! root 17:
! 18: /*-----------------------------------------------------------------------*/
1.1 root 19: /*
20: Fill end of string out with spaces
21: */
22: void Misc_PadStringWithSpaces(char *pszString,int nChars)
23: {
24: int i;
25:
26: for(i=nChars; i>=(int)strlen(pszString); i--) {
27: pszString[i] = ' ';
28: }
29: pszString[nChars] = '\0';
30: }
31:
1.1.1.2 ! root 32:
! 33: /*-----------------------------------------------------------------------*/
1.1 root 34: /*
35: Remove any spaces from string
36: */
37: void Misc_RemoveSpacesFromString(char *pszSrcString, char *pszDestString)
38: {
39: int i=0,j=0;
40:
1.1.1.2 ! root 41: /* Copy string */
1.1 root 42: while(pszSrcString[i]!='\0') {
1.1.1.2 ! root 43: if (pszSrcString[i]!=' ') { /* Copy character if not a white-space */
1.1 root 44: pszDestString[j] = pszSrcString[i];
45: j++;
46: }
47: i++;
48: }
49:
1.1.1.2 ! root 50: pszDestString[j] = '\0'; /* Term */
1.1 root 51: }
52:
1.1.1.2 ! root 53:
! 54: /*-----------------------------------------------------------------------*/
1.1 root 55: /*
56: Remove 'white-space' from beginning of text string
57: */
58: void Misc_RemoveWhiteSpace(char *pszString,int Length)
59: {
60: while( (*pszString==' ') || (*pszString=='\t') ) {
1.1.1.2 ! root 61: /* Copy line left one character */
1.1 root 62: memmove(pszString,pszString+1,Length-1);
63: }
64: }
65:
1.1.1.2 ! root 66:
! 67: /*-----------------------------------------------------------------------*/
1.1 root 68: /*
69: Find working directory, and store to 'szWorkingDir'
70: */
71: void Misc_FindWorkingDirectory(void)
72: {
73: /* FIXME!!!!*/
74: /*
75: char szSrcDrive[_MAX_DRIVE],szSrcDir[_MAX_DIR],szSrcName[_MAX_FNAME],szSrcExt[_MAX_EXT];
76:
77: // Find name of '.exe'
78: GetModuleFileName(NULL,szWorkingDir,MAX_FILENAME_LENGTH);
79: _splitpath(szWorkingDir,szSrcDrive,szSrcDir,szSrcName,szSrcExt);
80: _makepath(szWorkingDir,szSrcDrive,szSrcDir,"","");
81: // And remove trailing backslash
82: if (strlen(szWorkingDir)>0) {
83: if (szWorkingDir[strlen(szWorkingDir)-1]=='/')
84: szWorkingDir[strlen(szWorkingDir)-1]='\0';
85: }
86: */
87: }
88:
1.1.1.2 ! root 89:
! 90: /*-----------------------------------------------------------------------*/
1.1 root 91: /*
92: Limit integer between min/max range
93: */
94: int Misc_LimitInt(int Value, int MinRange, int MaxRange)
95: {
96: if (Value<MinRange)
97: Value = MinRange;
98: else if (Value>MaxRange)
99: Value = MaxRange;
100:
101: return(Value);
102: }
103:
1.1.1.2 ! root 104:
! 105: /*-----------------------------------------------------------------------*/
1.1 root 106: /*
107: Convert value to 2-digit BCD
108: */
109: unsigned char Misc_ConvertToBCD(unsigned short int Value)
110: {
111: return( ((Value&0xf0)>>4)*10 + (Value&0x0f) );
112: }
113:
1.1.1.2 ! root 114:
! 115: /*-----------------------------------------------------------------------*/
1.1 root 116: /*
117: See own random number(must be !=0)
118: */
119: void Misc_SeedRandom(unsigned long Seed)
120: {
121: RandomNum = Seed;
122: }
123:
1.1.1.2 ! root 124:
! 125: /*-----------------------------------------------------------------------*/
1.1 root 126: /*
127: Get mext random number
128: */
129: long Misc_NextLongRand(long Seed)
130: {
131: unsigned long Lo, Hi;
132:
133: Lo = 16807 * (long)(Seed & 0xffff);
134: Hi = 16807 * (long)((unsigned long)Seed >> 16);
135: Lo += (Hi & 0x7fff) << 16;
136: if (Lo > 2147483647L) {
137: Lo &= 2147483647L;
138: ++Lo;
139: }
140: Lo += Hi >> 15;
141: if (Lo > 2147483647L) {
142: Lo &= 2147483647L;
143: ++Lo;
144: }
145: return((long)Lo);
146: }
147:
1.1.1.2 ! root 148:
! 149: /*-----------------------------------------------------------------------*/
1.1 root 150: /*
151: Get own random number
152: */
153: long Misc_GetRandom(void)
154: {
155: RandomNum = Misc_NextLongRand(RandomNum);
156: return(RandomNum);
157: }
158:
1.1.1.2 ! root 159:
! 160: /*-----------------------------------------------------------------------*/
1.1 root 161: /*
162: Convert Time/Date to DOS format
163: */
164: /*
165: void Misc_TimeDataToDos(FILETIME *pFileTime, WORD *pFatDate, WORD *pFatTime)
166: {
167: // Convert FILETIME to DOS format(same as GemDOS format)
168: if (FileTimeToDosDateTime(pFileTime,pFatDate,pFatTime))
169: return;
170:
171: // Ooops, date/time outside range so just NULL
172: *pFatDate = *pFatTime = 0;
173: }
174: */
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