xenocara/app/fvwm/libs/System.c

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/*
** System.c: code for dealing with various OS system call variants
*/
#include "config.h"
#include <unistd.h>
#if HAVE_UNAME
#include <sys/utsname.h>
#endif
/*
** just in case...
*/
#ifndef FD_SETSIZE
#define FD_SETSIZE 2048
#endif
int GetFdWidth(void)
{
#if HAVE_SYSCONF
return min(sysconf(_SC_OPEN_MAX),FD_SETSIZE);
#else
return min(getdtablesize(),FD_SETSIZE);
#endif
}
/* return a string indicating the OS type (i.e. "Linux", "SINIX-D", ... ) */
int getostype(char *buf, int max)
{
#if HAVE_UNAME
struct utsname sysname;
if ( uname( &sysname ) >= 0 ) {
strlcpy( buf, sysname.sysname, max);
return 0;
}
#endif
strlcpy (buf,"",max);
return -1;
}