ARPDAS_QNX6: tmlib/src/tm_open

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00001 /* tm_open_name.c */
00002 #include <limits.h>
00003 #include <errno.h>
00004 #include <string.h>
00005 #include "tm.h"
00006 #include "nortlib.h"
00007 
00008 int tm_open_name( const char * name, const char *node, int flags ) {
00009   const char *fname;
00010   char fullname[PATH_MAX];
00011   int fd;
00012   
00013   if ( node == NULL ) fname = name;
00014   else {
00015         int nb;
00016         nb = snprintf( fullname, PATH_MAX, "/net/%s%s", node, name );
00017         if ( nb >= PATH_MAX ) {
00018           if (nl_response)
00019                 nl_error(nl_response,
00020                   "node-qualified path is too long: /net/%s%s",
00021                   node, name );
00022           errno = ENAMETOOLONG;
00023           return -1;
00024         }
00025         fname = fullname;
00026   }
00027   fd = open( fname, flags );
00028   if ( fd < 0 ) {
00029         if ( nl_response )
00030           nl_error( nl_response,
00031             "Error %d opening %s: %s", errno, fname, strerror(errno)
00032                 );
00033   }
00034   return fd;
00035 }