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#include <endian.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
/* 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)+9)*sizeof(char)); /* +9 to get around a linux
libc 5 bug. below too */
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)+9);
else
buff=calloc(strlen(s)+9,1);
strcat(buff,s);
}
return(buff);
}
static void cderror(cdrom_drive *d,const char *s){
if(s && d){
switch(d->errordest){
case CDDA_MESSAGE_PRINTIT:
write(STDERR_FILENO,s,strlen(s));
break;
case CDDA_MESSAGE_LOGIT:
d->errorbuf=catstring(d->errorbuf,s);
break;
case CDDA_MESSAGE_FORGETIT:
default:
break;
}
}
}
static void cdmessage(cdrom_drive *d,const char *s){
if(s && d){
switch(d->messagedest){
case CDDA_MESSAGE_PRINTIT:
write(STDERR_FILENO,s,strlen(s));
break;
case CDDA_MESSAGE_LOGIT:
d->messagebuf=catstring(d->messagebuf,s);
break;
case CDDA_MESSAGE_FORGETIT:
default:
break;
}
}
}
static void idperror(int messagedest,char **messages,const char *f,
const char *s){
char *buffer;
int malloced=0;
if(!f)
buffer=(char *)s;
else
if(!s)
buffer=(char *)f;
else{
buffer=malloc(strlen(f)+strlen(s)+9);
sprintf(buffer,f,s);
malloced=1;
}
if(buffer){
switch(messagedest){
case CDDA_MESSAGE_PRINTIT:
write(STDERR_FILENO,buffer,strlen(buffer));
if(errno){
write(STDERR_FILENO,": ",2);
write(STDERR_FILENO,strerror(errno),strlen(strerror(errno)));
write(STDERR_FILENO,"\n",1);
}
break;
case CDDA_MESSAGE_LOGIT:
if(messages){
*messages=catstring(*messages,buffer);
if(errno){
*messages=catstring(*messages,": ");
*messages=catstring(*messages,strerror(errno));
*messages=catstring(*messages,"\n");
}
}
break;
case CDDA_MESSAGE_FORGETIT:
default:
break;
}
}
if(malloced)free(buffer);
}
static void idmessage(int messagedest,char **messages,const char *f,
const char *s){
char *buffer;
int malloced=0;
if(!f)
buffer=(char *)s;
else
if(!s)
buffer=(char *)f;
else{
buffer=malloc(strlen(f)+strlen(s)+10);
sprintf(buffer,f,s);
strcat(buffer,"\n");
malloced=1;
}
if(buffer){
switch(messagedest){
case CDDA_MESSAGE_PRINTIT:
write(STDERR_FILENO,buffer,strlen(buffer));
if(!malloced)write(STDERR_FILENO,"\n",1);
break;
case CDDA_MESSAGE_LOGIT:
if(messages){
*messages=catstring(*messages,buffer);
if(!malloced)*messages=catstring(*messages,"\n");
}
break;
case CDDA_MESSAGE_FORGETIT:
default:
break;
}
}
if(malloced)free(buffer);
}
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