BSD 3 development

[unix-history] / usr / src / cmd / pxp / subr.c

/* Copyright (c) 1979 Regents of the University of California */
/*
* pi - Pascal interpreter code translator
*
* Charles Haley, Bill Joy UCB
* Version 1.2 January 1979
*
*
* pxp - Pascal execution profiler
*
* Bill Joy UCB
* Version 1.2 January 1979
*/

#include "0.h"

#ifndef PI1
/*
* Does the string fp end in '.' and the character c ?
*/
dotted(fp, c)
       register char *fp;
       char c;
{
       register int i;

       i = strlen(fp);
       return (i > 1 && fp[i - 2] == '.' && fp[i - 1] == c);
}

/*
* Toggle the option c.
*/
togopt(c)
       char c;
{
       register char *tp;

       tp = &opts[c-'a'];
       *tp = 1 - *tp;
}

/*
* Set the time vector "tvec" to the
* modification time stamp of the current file.
*/
#include <sys/types.h>
#include <stat.h>
gettime()
{
       struct stat stb;

       stat(filename, &stb);
       tvec = stb.st_mtime;
}

/*
* Convert a "ctime" into a Pascal styple time line
*/
myctime(tv)
       long *tv;
{
       register char *cp, *dp;
       char *cpp;
       register i;
       static char mycbuf[26];

       cpp = ctime(tv);
       dp = mycbuf;
       cp = cpp;
       cpp[16] = 0;
       while (*dp++ = *cp++);
       dp--;
       cp = cpp+19;
       cpp[24] = 0;
       while (*dp++ = *cp++);
       return (mycbuf);
}

/*
* Is "fp" in the command line list of names ?
*/
inpflist(fp)
       char *fp;
{
       register i, *pfp;

       pfp = pflist;
       for (i = pflstc; i > 0; i--)
               if (strcmp(fp, *pfp++) == 0)
                       return (1);
       return (0);
}
#endif

extern  int errno;
extern  char *sys_errlist[];

/*
* Boom!
*/
Perror(file, error)
       char *file, *error;
{

       errno = 0;
       sys_errlist[0] = error;
       perror(file);
}

char *
alloc(size)
       int size;
{

       return (calloc(size, 1));
}

copy(to, from, bytes)
       register char *to, *from;
       register int bytes;
{

       if (bytes != 0)
               do
                       *to++ = *from++;
               while (--bytes);
}

/*
* Is ch one of the characters in the string cp ?
*/
any(cp, ch)
       register char *cp;
       char ch;
{

       while (*cp)
               if (*cp++ == ch)
                       return (1);
       return (0);
}

opush(c)
       register CHAR c;
{

       c =- 'a';
       optstk[c] =<< 1;
       optstk[c] =| opts[c];
       opts[c] = 1;
#ifdef PI0
       send(ROPUSH, c);
#endif
}

opop(c)
       register CHAR c;
{

       c =- 'a';
       opts[c] = optstk[c] & 1;
       optstk[c] =>> 1;
#ifdef PI0
       send(ROPOP, c);
#endif
}