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- /*LINTLIBRARY*/
- #include <stdio.h>
- #include <string.h>
- #include <stdlib.h>
- #include <dos.h>
-
- #if defined(max)
- # undef max
- #endif
- #define max(A,B) (((A)<(B))?(B):(A))
-
- extern int access();
- int _access();
-
- /* MSC stdio.h defines P_tmpdir, so let's undo it here */
- /* Under DOS leave the default tmpdir pointing here! */
- #ifdef P_tmpdir
- #undef P_tmpdir
- #endif
- static char *P_tmpdir = "";
-
- char *
- tempnam(dir, prefix)
- char *dir; /* use this directory please (if non-NULL) */
- char *prefix; /* use this (if non-NULL) as filename prefix */
- {
- static int count = 0;
- register char *p, *q, *tmpdir;
- int tl=0, dl=0, pl;
- char buf[30];
-
- pl = strlen(P_tmpdir);
-
- if( (tmpdir = getenv("TMPDIR")) != NULL )
- tl = strlen(tmpdir);
- else if( (tmpdir = getenv("TMP")) != NULL )
- tl = strlen(tmpdir);
- if( dir != NULL ) dl = strlen(dir);
-
- if( (p = malloc((unsigned)(max(max(dl,tl),pl)+13))) == NULL )
- return(NULL);
-
- *p = '\0';
-
- if( (tl == 0) || (_access( strcpy(p, tmpdir), 0) != 0) )
- if( (dl == 0) || (_access( strcpy(p, dir), 0) != 0) )
- if( _access( strcpy(p, P_tmpdir), 0) != 0 )
- if( !prefix )
- prefix = "tp";
-
- if(prefix)
- {
- *(p+strlen(p)+2) = '\0';
- (void)strncat(p, prefix, 2);
- }
-
- #ifdef OS2
- sprintf( buf, "%08x", getpid() );
- #else
- sprintf( buf, "%08x", _psp );
- #endif
- buf[6]='\0';
- (void)strcat(p, buf );
- sprintf( buf, "%04d", count++ );
- q=p+strlen(p)-6;
- *q++ = buf[0]; *q++ = buf[1];
- *q++ = buf[2]; *q++ = buf[3];
-
- if( (q = strrchr(p,'.')) != NULL ) *q = '\0';
-
- return strlwr(p);
- }
-
-
-
- _access( name, flag )
- char *name;
- int flag;
- {
- char *p;
- int r;
-
- if( name == NULL || !*name ) return(1); /* NULL dir means current dir */
- p = name+strlen(name)-1;
- if(*p == ':' ) strcat( p++, "\\" );
- r = access( name, flag );
- if(*p != '/' && *p != '\\') strcat( p, "\\" );
-
- return( r );
- }
-