/*
** Write into memory obtained from lsm_malloc().
*/
char *lsmMallocPrintf(lsm_env *pEnv, const char *zFormat, ...){
LsmString s;
va_list ap, ap2;
lsmStringInit(&s, pEnv);
va_start(ap, zFormat);
va_start(ap2, zFormat);
lsmStringVAppendf(&s, zFormat, ap, ap2);
va_end(ap);
va_end(ap2);
if( s.n<0 ) return 0;
return (char *)lsmReallocOrFree(pEnv, s.z, s.n+1);
}
static int lsmPosixOsFullpath(
lsm_env *pEnv,
const char *zName,
char *zOut,
int *pnOut
){
int nBuf = *pnOut;
int nReq;
if( zName[0]!='/' ){
char *z;
char *zTmp;
int nTmp = 512;
zTmp = lsmMalloc(pEnv, nTmp);
while( zTmp ){
z = getcwd(zTmp, nTmp);
if( z || errno!=ERANGE ) break;
nTmp = nTmp*2;
zTmp = lsmReallocOrFree(pEnv, zTmp, nTmp);
}
if( zTmp==0 ) return LSM_NOMEM_BKPT;
if( z==0 ) return LSM_IOERR_BKPT;
assert( z==zTmp );
nTmp = strlen(zTmp);
nReq = nTmp + 1 + strlen(zName) + 1;
if( nReq<=nBuf ){
memcpy(zOut, zTmp, nTmp);
zOut[nTmp] = '/';
memcpy(&zOut[nTmp+1], zName, strlen(zName)+1);
}
lsmFree(pEnv, zTmp);
}else{
nReq = strlen(zName)+1;
if( nReq<=nBuf ){
memcpy(zOut, zName, strlen(zName)+1);
}
}
*pnOut = nReq;
return LSM_OK;
}
