Category : OS/2 Files
Archive   : GNUGREP.ZIP
Filename : STD.C

/* std.c - compensate for a few missing library functions.
In the Public Domain; written by Mike Haertel. */

#include "std.h"
#include "unix.h"

#ifdef X_memmove
PTR
DEFUN(memmove, (d, s, n), PTR d AND PTRCONST s AND size_t n)
{
char *dd;
const char *ss;

dd = d;
ss = s;
if (dd > ss && dd < ss + n)
{
dd += n;
ss += n;
while (n--)
*--dd = *--ss;
}
else
while (n--)
*dd++ = *ss++;
return d;
}
#endif /* X_memmove */

#ifdef X_remove
#if defined(unix) || defined(__unix__)
int
DEFUN(remove, (filename), const char *filename)
{
extern int EXFUN(unlink, (const char *));

return unlink(filename);
}
#endif /* unix */
#endif /* X_strerror */

#ifdef X_strerror
#if defined(unix) || defined(__unix__)
char *
DEFUN(strerror, (errnum), int errnum)
{
extern int sys_nerr;
extern char *sys_errlist[];

if (errnum > 0 && errnum < sys_nerr)
return sys_errlist[errnum];
return "";
}
#endif /* unix */
#endif /* X_strerror */