home *** CD-ROM | disk | FTP | other *** search
- #include <stdlib.h>
- #include <endian.h>
- #include <stdio.h>
- #include <errno.h>
- #include <string.h>
-
- extern long buffering_write(int outf, char *buffer, long num);
- extern int buffering_close(int fd);
-
- /* I wonder how many alignment issues this is gonna trip in the
- future... it shouldn't trip any... I guess we'll find out :) */
-
- static inline int bigendianp(void){
- int test=1;
- char *hack=(char *)(&test);
- if(hack[0])return(0);
- return(1);
- }
-
- static inline int32_t swap32(int32_t x){
- return((((u_int32_t)x & 0x000000ffU) << 24) |
- (((u_int32_t)x & 0x0000ff00U) << 8) |
- (((u_int32_t)x & 0x00ff0000U) >> 8) |
- (((u_int32_t)x & 0xff000000U) >> 24));
- }
-
- static inline int16_t swap16(int16_t x){
- return((((u_int16_t)x & 0x00ffU) << 8) |
- (((u_int16_t)x & 0xff00U) >> 8));
- }
-
- #if BYTE_ORDER == LITTLE_ENDIAN
-
- static inline int32_t be32_to_cpu(int32_t x){
- return(swap32(x));
- }
-
- static inline int16_t be16_to_cpu(int16_t x){
- return(swap16(x));
- }
-
- static inline int32_t le32_to_cpu(int32_t x){
- return(x);
- }
-
- static inline int16_t le16_to_cpu(int16_t x){
- return(x);
- }
-
- #else
-
- static inline int32_t be32_to_cpu(int32_t x){
- return(x);
- }
-
- static inline int16_t be16_to_cpu(int16_t x){
- return(x);
- }
-
- static inline int32_t le32_to_cpu(int32_t x){
- return(swap32(x));
- }
-
- static inline int16_t le16_to_cpu(int16_t x){
- return(swap16(x));
- }
-
-
- #endif
-
- static inline int32_t cpu_to_be32(int32_t x){
- return(be32_to_cpu(x));
- }
-
- static inline int32_t cpu_to_le32(int32_t x){
- return(le32_to_cpu(x));
- }
-
- static inline int16_t cpu_to_be16(int16_t x){
- return(be16_to_cpu(x));
- }
-
- static inline int16_t cpu_to_le16(int16_t x){
- return(le16_to_cpu(x));
- }
-
- static inline char *copystring(const char *s){
- if(s){
- char *ret=malloc((strlen(s)+1)*sizeof(char));
- strcpy(ret,s);
- return(ret);
- }
- return(NULL);
- }
-
- static inline char *catstring(char *buff,const char *s){
- if(s){
- if(buff)
- buff=realloc(buff,strlen(buff)+strlen(s)+1);
- else
- buff=calloc(strlen(s)+1,1);
- strcat(buff,s);
- }
- return(buff);
- }
-
-