int filelength (int handle){ struct stat fileinfo;
if (fstat (handle,&fileinfo) == -1)
{
fprintf (stderr,"Error fstating");
exit (1);
}
return fileinfo.st_size;
}
int tell (int handle)
{
return lseek (handle, 0, L_INCR);
}
char *strupr (char *start)
{
char *in;
in = start;
while (*in)
{
*in = toupper(*in);
in++;
}
return start;
}
char *getcwd (char *path, int length)
{
return getwd(path);
}
#endif/* globals for command line args */#ifdef __NeXT__extern int NXArgc;extern char **NXArgv;#define myargc NXArgc#define myargv NXArgv#endif#ifdef __WATCOMC__extern int _argc;extern char **_argv;#define myargc _argc#define myargv _argv#endif/*============================================================================= MISC FUNCTIONS=============================================================================*//*=================== Error== For abnormal program terminations==================*/void Error (char *error, ...){ va_list argptr;#ifndef __NeXT__ if ( *(byte *)0x449 == 0x13) TextMode ();#endif va_start (argptr,error); vprintf (error,argptr); va_end (argptr); printf ("\n"); exit (1);}/*=================== CheckParm== Checks for the given parameter in the program's command line arguments== Returns the argument number (1 to argc-1) or 0 if not present==================*/int CheckParm (char *check){ int i; char *parm; for (i = 1;i<myargc;i++) { parm = myargv[i]; if ( !isalpha(*parm) ) // skip - / \ etc.. in front of parm if (!*++parm) continue; // parm was only one char if ( !stricmp(check,parm) ) return i; } return 0;}int SafeOpenWrite (char *filename){ int handle; handle = open(filename,O_RDWR | O_BINARY | O_CREAT | O_TRUNC , 0666); if (handle == -1) Error ("Error opening %s: %s",filename,strerror(errno)); return handle;}int SafeOpenRead (char *filename){ int handle; handle = open(filename,O_RDONLY | O_BINARY); if (handle == -1) Error ("Error opening %s: %s",filename,strerror(errno)); return handle;}void SafeRead (int handle, void *buffer, long count){ unsigned iocount; while (count) { iocount = count > 0x8000 ? 0x8000 : count; if (read (handle,buffer,iocount) != iocount) Error ("File read failure"); buffer = (void *)( (byte *)buffer + iocount ); count -= iocount; }}void SafeWrite (int handle, void *buffer, long count){ unsigned iocount; while (count) { iocount = count > 0x8000 ? 0x8000 : count; if (write (handle,buffer,iocount) != iocount) Error ("File write failure"); buffer = (void *)( (byte *)buffer + iocount ); count -= iocount; }}void *SafeMalloc (long size){ void *ptr; ptr = malloc (size); if (!ptr) Error ("Malloc failure for %lu bytes",size); return ptr;}/*================ LoadFile===============*/long LoadFile (char *filename, void **bufferptr){ int handle; long length; void *buffer; handle = SafeOpenRead (filename); length = filelength (handle); buffer = SafeMalloc (length); SafeRead (handle, buffer, length); close (handle); *bufferptr = buffer; return length;}/*================ SaveFile===============*/void SaveFile (char *filename, void *buffer, long count){ int handle; handle = SafeOpenWrite (filename); SafeWrite (handle, buffer, count); close (handle);}void DefaultExtension (char *path, char *extension){ char *src;//// if path doesn't have a .EXT, append extension// (extension should include the .)// src = path + strlen(path) - 1; while (*src != PATHSEPERATOR && src != path) { if (*src == '.') return; // it has an extension src--; } strcat (path, extension);}void DefaultPath (char *path, char *basepath){ char temp[128]; if (path[0] == PATHSEPERATOR) return; // absolute path location strcpy (temp,path); strcpy (path,basepath); strcat (path,temp);}void StripFilename (char *path){ int length; length = strlen(path)-1; while (length > 0 && path[length] != PATHSEPERATOR) length--; path[length] = 0;}void StripExtension (char *path){ int length; length = strlen(path)-1; while (length > 0 && path[length] != '.') length--;
if (length)
path[length] = 0;}void ExtractFileBase (char *path, char *dest){ char *src; int length; src = path + strlen(path) - 1;//// back up until a \ or the start// while (src != path && *(src-1) != PATHSEPERATOR) src--;//// copy up to eight characters// memset (dest,0,8); length = 0; while (*src && *src != '.') { if (++length == 9) Error ("Filename base of %s >8 chars",path); *dest++ = toupper(*src++); }}/*================ ParseNum / ParseHex===============*/long ParseHex (char *hex){ char *str; long num; num = 0; str = hex; while (*str) { num <<= 4; if (*str >= '0' && *str <= '9') num += *str-'0'; else if (*str >= 'a' && *str <= 'f') num += 10 + *str-'a'; else if (*str >= 'A' && *str <= 'F') num += 10 + *str-'A'; else Error ("Bad hex number: %s",hex); str++; } return num;}long ParseNum (char *str){ if (str[0] == '$') return ParseHex (str+1); if (str[0] == '0' && str[1] == 'x') return ParseHex (str+2); return atol (str);}
int GetKey (void)
{
#ifdef __NeXT__
return getchar ();
#else
return _bios_keybrd (_KEYBRD_READ)&0xff;#endif
}
/*============================================================================ BYTE ORDER FUNCTIONS============================================================================*/#ifdef __BIG_ENDIAN__
