diff options
Diffstat (limited to 'src/common/utils.c')
| -rw-r--r-- | src/common/utils.c | 94 |
1 files changed, 74 insertions, 20 deletions
diff --git a/src/common/utils.c b/src/common/utils.c index 9a7d4971b..4e6cb49c2 100644 --- a/src/common/utils.c +++ b/src/common/utils.c @@ -2,33 +2,35 @@ // See the LICENSE file // Portions Copyright (c) Athena Dev Teams -#include "../common/cbasetypes.h" -#include "../common/mmo.h" -#include "../common/malloc.h" -#include "../common/showmsg.h" -#include "../common/core.h" -#include "socket.h" +#define HERCULES_CORE + #include "utils.h" -#include <stdio.h> +#include <math.h> // floor() #include <stdarg.h> +#include <stdio.h> #include <stdlib.h> #include <string.h> -#include <math.h> // floor() +#include <sys/stat.h> // cache purposes [Ind/Hercules] + +#include "../common/cbasetypes.h" +#include "../common/core.h" +#include "../common/malloc.h" +#include "../common/mmo.h" +#include "../common/showmsg.h" +#include "../common/socket.h" #ifdef WIN32 - #include "../common/winapi.h" - #ifndef F_OK - #define F_OK 0x0 - #endif /* F_OK */ +# include "../common/winapi.h" +# ifndef F_OK +# define F_OK 0x0 +# endif /* F_OK */ #else - #include <unistd.h> - #include <dirent.h> - #include <sys/stat.h> +# include <dirent.h> +# include <sys/stat.h> +# include <unistd.h> #endif -#include <sys/stat.h> // cache purposes [Ind/Hercules] - struct HCache_interface HCache_s; /// Dumps given buffer into file pointed to by a handle. @@ -198,7 +200,7 @@ void findfile(const char *p, const char *pat, void (func)(const char*)) sprintf(tmppath,"%s%c%s",path, PATHSEP, entry->d_name); - // check if the pattern matchs. + // check if the pattern matches. if (entry->d_name && strstr(entry->d_name, pattern)) { func( tmppath ); } @@ -209,7 +211,7 @@ void findfile(const char *p, const char *pat, void (func)(const char*)) } // is this a directory? if (S_ISDIR(dir_stat.st_mode)) { - // decent recursivly + // decent recursively findfile(tmppath, pat, func); } }//end while @@ -264,6 +266,58 @@ uint32 MakeDWord(uint16 word0, uint16 word1) ( (uint32)(word1 << 0x10) ); } +/************************************* +* Big-endian compatibility functions * +*************************************/ + +// Converts an int16 from current machine order to little-endian +int16 MakeShortLE(int16 val) +{ + unsigned char buf[2]; + buf[0] = (unsigned char)( (val & 0x00FF) ); + buf[1] = (unsigned char)( (val & 0xFF00) >> 0x08 ); + return *((int16*)buf); +} + +// Converts an int32 from current machine order to little-endian +int32 MakeLongLE(int32 val) +{ + unsigned char buf[4]; + buf[0] = (unsigned char)( (val & 0x000000FF) ); + buf[1] = (unsigned char)( (val & 0x0000FF00) >> 0x08 ); + buf[2] = (unsigned char)( (val & 0x00FF0000) >> 0x10 ); + buf[3] = (unsigned char)( (val & 0xFF000000) >> 0x18 ); + return *((int32*)buf); +} + +// Reads an uint16 in little-endian from the buffer +uint16 GetUShort(const unsigned char* buf) +{ + return ( ((uint16)(buf[0])) ) + |( ((uint16)(buf[1])) << 0x08 ); +} + +// Reads an uint32 in little-endian from the buffer +uint32 GetULong(const unsigned char* buf) +{ + return ( ((uint32)(buf[0])) ) + |( ((uint32)(buf[1])) << 0x08 ) + |( ((uint32)(buf[2])) << 0x10 ) + |( ((uint32)(buf[3])) << 0x18 ); +} + +// Reads an int32 in little-endian from the buffer +int32 GetLong(const unsigned char* buf) +{ + return (int32)GetULong(buf); +} + +// Reads a float (32 bits) from the buffer +float GetFloat(const unsigned char* buf) +{ + uint32 val = GetULong(buf); + return *((float*)(void*)&val); +} /// calculates the value of A / B, in percent (rounded down) unsigned int get_percentage(const unsigned int A, const unsigned int B) @@ -272,7 +326,7 @@ unsigned int get_percentage(const unsigned int A, const unsigned int B) if( B == 0 ) { - ShowError("get_percentage(): divison by zero! (A=%u,B=%u)\n", A, B); + ShowError("get_percentage(): division by zero! (A=%u,B=%u)\n", A, B); return ~0U; } |