Esempio n. 1
0
static void
execute(           /* process a file */
char  *file
)
{
	int  conditional = vardefined("cond");
	long  nrecs = 0;
	long  nout = 0;
	FILE  *fp;
	
	if (file == NULL)
		fp = stdin;
	else if ((fp = fopen(file, "r")) == NULL) {
		eputs(file);
		eputs(": cannot open\n");
		quit(1);
	}
	if (inpfmt != NULL)
		initinp(fp);
	
	while (getinputrec(fp)) {
		varset("recno", '=', (double)++nrecs);
		varset("outno", '=', (double)(nout+1));
		colflg = 0;
		eclock++;
		if (!conditional || varvalue("cond") > 0.0) {
			putout();
			++nout;
		}
	}
	fclose(fp);
}
Esempio n. 2
0
static char *
evalvar(char *p, int flag)
{
	int subtype;
	int varflags;
	char *var;
	const char *val;
	int patloc;
	int c;
	int set;
	int special;
	int startloc;
	int varlen;
	int varlenb;
	int easy;
	int quotes = flag & (EXP_FULL | EXP_CASE);
	int record = 0;

	varflags = (unsigned char)*p++;
	subtype = varflags & VSTYPE;
	var = p;
	special = 0;
	if (! is_name(*p))
		special = 1;
	p = strchr(p, '=') + 1;
again: /* jump here after setting a variable with ${var=text} */
	if (varflags & VSLINENO) {
		set = 1;
		special = 1;
		val = NULL;
	} else if (special) {
		set = varisset(var, varflags & VSNUL);
		val = NULL;
	} else {
		val = bltinlookup(var, 1);
		if (val == NULL || ((varflags & VSNUL) && val[0] == '\0')) {
			val = NULL;
			set = 0;
		} else
			set = 1;
	}
	varlen = 0;
	startloc = expdest - stackblock();
	if (!set && uflag && *var != '@' && *var != '*') {
		switch (subtype) {
		case VSNORMAL:
		case VSTRIMLEFT:
		case VSTRIMLEFTMAX:
		case VSTRIMRIGHT:
		case VSTRIMRIGHTMAX:
		case VSLENGTH:
			error("%.*s: parameter not set", (int)(p - var - 1),
			    var);
		}
	}
	if (set && subtype != VSPLUS) {
		/* insert the value of the variable */
		if (special) {
			if (varflags & VSLINENO)
				STPUTBIN(var, p - var - 1, expdest);
			else
			varvalue(var, varflags & VSQUOTE, subtype, flag);
			if (subtype == VSLENGTH) {
				varlenb = expdest - stackblock() - startloc;
				varlen = varlenb;
				if (localeisutf8) {
					val = stackblock() + startloc;
					for (;val != expdest; val++)
						if ((*val & 0xC0) == 0x80)
							varlen--;
				}
				STADJUST(-varlenb, expdest);
			}
		} else {
			if (subtype == VSLENGTH) {
				for (;*val; val++)
					if (!localeisutf8 ||
					    (*val & 0xC0) != 0x80)
						varlen++;
			}
				else
				strtodest(val, flag, subtype,
				    varflags & VSQUOTE);
		}
	}

	if (subtype == VSPLUS)
		set = ! set;

	easy = ((varflags & VSQUOTE) == 0 ||
		(*var == '@' && shellparam.nparam != 1));


	switch (subtype) {
	case VSLENGTH:
		expdest = cvtnum(varlen, expdest);
		record = 1;
		break;

	case VSNORMAL:
		record = easy;
		break;

	case VSPLUS:
	case VSMINUS:
		if (!set) {
			argstr(p, flag | (flag & EXP_FULL ? EXP_SPLIT_LIT : 0) |
			    (varflags & VSQUOTE ? EXP_LIT_QUOTED : 0));
			break;
		}
		record = easy;
		break;

	case VSTRIMLEFT:
	case VSTRIMLEFTMAX:
	case VSTRIMRIGHT:
	case VSTRIMRIGHTMAX:
		if (!set)
			break;
		/*
		 * Terminate the string and start recording the pattern
		 * right after it
		 */
		STPUTC('\0', expdest);
		patloc = expdest - stackblock();
		if (subevalvar(p, NULL, patloc, subtype,
		    startloc, varflags, quotes) == 0) {
			int amount = (expdest - stackblock() - patloc) + 1;
			STADJUST(-amount, expdest);
		}
		/* Remove any recorded regions beyond start of variable */
		removerecordregions(startloc);
		record = 1;
		break;

	case VSASSIGN:
	case VSQUESTION:
		if (!set) {
			if (subevalvar(p, var, 0, subtype, startloc, varflags,
			    quotes)) {
				varflags &= ~VSNUL;
				/*
				 * Remove any recorded regions beyond
				 * start of variable
				 */
				removerecordregions(startloc);
				goto again;
			}
			break;
		}
		record = easy;
		break;

	case VSERROR:
		c = p - var - 1;
		error("${%.*s%s}: Bad substitution", c, var,
		    (c > 0 && *p != CTLENDVAR) ? "..." : "");

	default:
		abort();
	}

	if (record)
		recordregion(startloc, expdest - stackblock(),
		    varflags & VSQUOTE || (ifsset() && ifsval()[0] == '\0' &&
		    (*var == '@' || *var == '*')));

	if (subtype != VSNORMAL) {	/* skip to end of alternative */
		int nesting = 1;
		for (;;) {
			if ((c = *p++) == CTLESC)
				p++;
			else if (c == CTLBACKQ || c == (CTLBACKQ|CTLQUOTE)) {
				if (set)
					argbackq = argbackq->next;
			} else if (c == CTLVAR) {
				if ((*p++ & VSTYPE) != VSNORMAL)
					nesting++;
			} else if (c == CTLENDVAR) {
				if (--nesting == 0)
					break;
			}
		}
	}
	return p;
}
Esempio n. 3
0
STATIC char *
evalvar(shinstance *psh, char *p, int flag)
{
	int subtype;
	int varflags;
	char *var;
	char *val;
	int patloc;
	int c;
	int set;
	int special;
	int startloc;
	int varlen;
	int apply_ifs;
	int quotes = flag & (EXP_FULL | EXP_CASE);

	varflags = (unsigned char)*p++;
	subtype = varflags & VSTYPE;
	var = p;
	special = !is_name(*p);
	p = strchr(p, '=') + 1;

again: /* jump here after setting a variable with ${var=text} */
	if (special) {
		set = varisset(psh, var, varflags & VSNUL);
		val = NULL;
	} else {
		val = lookupvar(psh, var);
		if (val == NULL || ((varflags & VSNUL) && val[0] == '\0')) {
			val = NULL;
			set = 0;
		} else
			set = 1;
	}

	varlen = 0;
	startloc = (int)(psh->expdest - stackblock(psh));

	if (!set && uflag(psh)) {
		switch (subtype) {
		case VSNORMAL:
		case VSTRIMLEFT:
		case VSTRIMLEFTMAX:
		case VSTRIMRIGHT:
		case VSTRIMRIGHTMAX:
		case VSLENGTH:
			error(psh, "%.*s: parameter not set", p - var - 1, var);
			/* NOTREACHED */
		}
	}

	if (set && subtype != VSPLUS) {
		/* insert the value of the variable */
		if (special) {
			varvalue(psh, var, varflags & VSQUOTE, subtype, flag);
			if (subtype == VSLENGTH) {
				varlen = (int)(psh->expdest - stackblock(psh) - startloc);
				STADJUST(psh, -varlen, psh->expdest);
			}
		} else {
			char const *syntax = (varflags & VSQUOTE) ? DQSYNTAX
								  : BASESYNTAX;

			if (subtype == VSLENGTH) {
				for (;*val; val++)
					varlen++;
			} else {
				while (*val) {
					if (quotes && syntax[(int)*val] == CCTL)
						STPUTC(psh, CTLESC, psh->expdest);
					STPUTC(psh, *val++, psh->expdest);
				}

			}
		}
	}


	apply_ifs = ((varflags & VSQUOTE) == 0 ||
		(*var == '@' && psh->shellparam.nparam != 1));

	switch (subtype) {
	case VSLENGTH:
		psh->expdest = cvtnum(psh, varlen, psh->expdest);
		break;

	case VSNORMAL:
		break;

	case VSPLUS:
		set = !set;
		/* FALLTHROUGH */
	case VSMINUS:
		if (!set) {
		        argstr(psh, p, flag | (apply_ifs ? EXP_IFS_SPLIT : 0));
			/*
			 * ${x-a b c} doesn't get split, but removing the
			 * 'apply_ifs = 0' apparantly breaks ${1+"$@"}..
			 * ${x-'a b' c} should generate 2 args.
			 */
			/* We should have marked stuff already */
			apply_ifs = 0;
		}
		break;

	case VSTRIMLEFT:
	case VSTRIMLEFTMAX:
	case VSTRIMRIGHT:
	case VSTRIMRIGHTMAX:
		if (!set)
			break;
		/*
		 * Terminate the string and start recording the pattern
		 * right after it
		 */
		STPUTC(psh, '\0', psh->expdest);
		patloc = (int)(psh->expdest - stackblock(psh));
		if (subevalvar(psh, p, NULL, patloc, subtype,
			       startloc, varflags) == 0) {
			int amount = (int)(psh->expdest - stackblock(psh) - patloc) + 1;
			STADJUST(psh, -amount, psh->expdest);
		}
		/* Remove any recorded regions beyond start of variable */
		removerecordregions(psh, startloc);
		apply_ifs = 1;
		break;

	case VSASSIGN:
	case VSQUESTION:
		if (set)
			break;
		if (subevalvar(psh, p, var, 0, subtype, startloc, varflags)) {
			varflags &= ~VSNUL;
			/*
			 * Remove any recorded regions beyond
			 * start of variable
			 */
			removerecordregions(psh, startloc);
			goto again;
		}
		apply_ifs = 0;
		break;

	default:
		sh_abort(psh);
	}

	if (apply_ifs)
		recordregion(psh, startloc, (int)(psh->expdest - stackblock(psh)),
			     varflags & VSQUOTE);

	if (subtype != VSNORMAL) {	/* skip to end of alternative */
		int nesting = 1;
		for (;;) {
			if ((c = *p++) == CTLESC)
				p++;
			else if (c == CTLBACKQ || c == (CTLBACKQ|CTLQUOTE)) {
				if (set)
					psh->argbackq = psh->argbackq->next;
			} else if (c == CTLVAR) {
				if ((*p++ & VSTYPE) != VSNORMAL)
					nesting++;
			} else if (c == CTLENDVAR) {
				if (--nesting == 0)
					break;
			}
		}
	}
	return p;
}
Esempio n. 4
0
void dynamic_context::set_environment_variables()
{
  if (!theEnvironmentVariables)
    theEnvironmentVariables = new EnvVarMap();

#if defined (WIN32)
    LPTCH envVarsCH = GetEnvironmentStrings();
    LPTSTR envVarsSTR = (LPTSTR) envVarsCH;

    while (*envVarsSTR)
    {
      int size = lstrlen(envVarsSTR);

      char * envVar = new char[size+1];

      WideCharToMultiByte( CP_ACP,
                           WC_NO_BEST_FIT_CHARS|WC_COMPOSITECHECK|WC_DEFAULTCHAR,
                           envVarsSTR,
                           size+1,
                           envVar,
                           size+1,
                           NULL,
                           NULL);

      zstring envVarZS(envVar);

      int eqPos = envVarZS.find_first_of("=");

      if (eqPos > 0)
      {
        zstring varname(envVarZS.substr(0, eqPos));
        zstring varvalue(envVarZS.substr(eqPos+1, size));

        if (!varname.empty() || !varvalue.empty())
          theEnvironmentVariables->insert(std::pair<zstring, zstring>(varname,varvalue));
      }

      delete envVar;
      envVarsSTR += lstrlen(envVarsSTR) + 1;
    }

    FreeEnvironmentStrings(envVarsCH);
#else
    const char* invalid_char;
    for (char **env = environ; *env; ++env)
    {
      zstring envVarZS(*env);

      if ((invalid_char = utf8::validate(envVarZS.c_str())) != NULL)
        throw XQUERY_EXCEPTION(err::FOCH0001,
          ERROR_PARAMS(zstring("#x") +
          BUILD_STRING(std::uppercase << std::hex
            << (static_cast<unsigned int>(*invalid_char)&0xFF))));

      if ((invalid_char = utf8::validate(envVarZS.c_str())) != NULL)
      {
        throw XQUERY_EXCEPTION(err::FOCH0001,
        ERROR_PARAMS(zstring("#x") +
        BUILD_STRING(std::uppercase << std::hex
                     << (static_cast<unsigned int>(*invalid_char) & 0xFF)) ));
      }

      int size = envVarZS.size();

      int eqPos = envVarZS.find_first_of("=");

      if (eqPos > 0)
      {
        zstring varname(envVarZS.substr(0, eqPos));
        zstring varvalue(envVarZS.substr(eqPos+1, size));

        if (!varname.empty() || !varvalue.empty())
          theEnvironmentVariables->insert(std::pair<zstring, zstring>(varname,varvalue));
      }
    }

#endif

}
Esempio n. 5
0
static char *
evalvar(char *p, int flag, struct worddest *dst)
{
	int subtype;
	int varflags;
	char *var;
	const char *val;
	int patloc;
	int c;
	int set;
	int special;
	int startloc;
	int varlen;
	int varlenb;
	char buf[21];

	varflags = (unsigned char)*p++;
	subtype = varflags & VSTYPE;
	var = p;
	special = 0;
	if (! is_name(*p))
		special = 1;
	p = strchr(p, '=') + 1;
again: /* jump here after setting a variable with ${var=text} */
	if (varflags & VSLINENO) {
		set = 1;
		special = 1;
		val = NULL;
	} else if (special) {
		set = varisset(var, varflags & VSNUL);
		val = NULL;
	} else {
		val = bltinlookup(var, 1);
		if (val == NULL || ((varflags & VSNUL) && val[0] == '\0')) {
			val = NULL;
			set = 0;
		} else
			set = 1;
	}
	varlen = 0;
	startloc = expdest - stackblock();
	if (!set && uflag && *var != '@' && *var != '*') {
		switch (subtype) {
		case VSNORMAL:
		case VSTRIMLEFT:
		case VSTRIMLEFTMAX:
		case VSTRIMRIGHT:
		case VSTRIMRIGHTMAX:
		case VSLENGTH:
			error("%.*s: parameter not set", (int)(p - var - 1),
			    var);
		}
	}
	if (set && subtype != VSPLUS) {
		/* insert the value of the variable */
		if (special) {
			if (varflags & VSLINENO) {
				if (p - var > (ptrdiff_t)sizeof(buf))
					abort();
				memcpy(buf, var, p - var - 1);
				buf[p - var - 1] = '\0';
				strtodest(buf, flag, subtype,
				    varflags & VSQUOTE, dst);
			} else
				varvalue(var, varflags & VSQUOTE, subtype, flag,
				    dst);
			if (subtype == VSLENGTH) {
				varlenb = expdest - stackblock() - startloc;
				varlen = varlenb;
				if (localeisutf8) {
					val = stackblock() + startloc;
					for (;val != expdest; val++)
						if ((*val & 0xC0) == 0x80)
							varlen--;
				}
				STADJUST(-varlenb, expdest);
			}
		} else {
			if (subtype == VSLENGTH) {
				for (;*val; val++)
					if (!localeisutf8 ||
					    (*val & 0xC0) != 0x80)
						varlen++;
			}
			else
				strtodest(val, flag, subtype,
				    varflags & VSQUOTE, dst);
		}
	}

	if (subtype == VSPLUS)
		set = ! set;

	switch (subtype) {
	case VSLENGTH:
		cvtnum(varlen, buf);
		strtodest(buf, flag, VSNORMAL, varflags & VSQUOTE, dst);
		break;

	case VSNORMAL:
		break;

	case VSPLUS:
	case VSMINUS:
		if (!set) {
			argstr(p, flag | (flag & EXP_SPLIT ? EXP_SPLIT_LIT : 0) |
			    (varflags & VSQUOTE ? EXP_LIT_QUOTED : 0), dst);
			break;
		}
		break;

	case VSTRIMLEFT:
	case VSTRIMLEFTMAX:
	case VSTRIMRIGHT:
	case VSTRIMRIGHTMAX:
		if (!set)
			break;
		/*
		 * Terminate the string and start recording the pattern
		 * right after it
		 */
		STPUTC('\0', expdest);
		patloc = expdest - stackblock();
		subevalvar_trim(p, patloc, subtype, startloc);
		reprocess(startloc, flag, VSNORMAL, varflags & VSQUOTE, dst);
		if (flag & EXP_SPLIT && *var == '@' && varflags & VSQUOTE)
			dst->state = WORD_QUOTEMARK;
		break;

	case VSASSIGN:
	case VSQUESTION:
		if (!set) {
			if (subevalvar_misc(p, var, subtype, startloc,
			    varflags)) {
				varflags &= ~VSNUL;
				goto again;
			}
			break;
		}
		break;

	case VSERROR:
		c = p - var - 1;
		error("${%.*s%s}: Bad substitution", c, var,
		    (c > 0 && *p != CTLENDVAR) ? "..." : "");

	default:
		abort();
	}

	if (subtype != VSNORMAL) {	/* skip to end of alternative */
		int nesting = 1;
		for (;;) {
			if ((c = *p++) == CTLESC)
				p++;
			else if (c == CTLBACKQ || c == (CTLBACKQ|CTLQUOTE)) {
				if (set)
					argbackq = argbackq->next;
			} else if (c == CTLVAR) {
				if ((*p++ & VSTYPE) != VSNORMAL)
					nesting++;
			} else if (c == CTLENDVAR) {
				if (--nesting == 0)
					break;
			}
		}
	}
	return p;
}
Esempio n. 6
0
STATIC char *
evalvar(char *p, int flag)
{
	int subtype;
	int varflags;
	char *var;
	char *val;
	int patloc;
	int c;
	int set;
	int special;
	int startloc;
	int varlen;
	int easy;
	int quotes = flag & (EXP_FULL | EXP_CASE | EXP_REDIR);

	varflags = (unsigned char)*p++;
	subtype = varflags & VSTYPE;
	var = p;
	special = 0;
	if (! is_name(*p))
		special = 1;
	p = strchr(p, '=') + 1;
again: /* jump here after setting a variable with ${var=text} */
	if (varflags & VSLINENO) {
		set = 1;
		special = 0;
		val = var;
		p[-1] = '\0';	/* temporarily overwrite '=' to have \0
				   terminated string */
	} else if (special) {
		set = varisset(var, varflags & VSNUL);
		val = NULL;
	} else {
		val = bltinlookup(var, 1);
		if (val == NULL || ((varflags & VSNUL) && val[0] == '\0')) {
			val = NULL;
			set = 0;
		} else
			set = 1;
	}
	varlen = 0;
	startloc = expdest - stackblock();
	if (!set && uflag) {
		switch (subtype) {
		case VSNORMAL:
		case VSTRIMLEFT:
		case VSTRIMLEFTMAX:
		case VSTRIMRIGHT:
		case VSTRIMRIGHTMAX:
		case VSLENGTH:
			error("%.*s: parameter not set", (int)(p - var - 1),
			    var);
		}
	}
	if (set && subtype != VSPLUS) {
		/* insert the value of the variable */
		if (special) {
			varvalue(var, varflags & VSQUOTE, subtype, flag);
			if (subtype == VSLENGTH) {
				varlen = expdest - stackblock() - startloc;
				STADJUST(-varlen, expdest);
			}
		} else {
			char const *syntax = (varflags & VSQUOTE) ? DQSYNTAX
								  : BASESYNTAX;

			if (subtype == VSLENGTH) {
				for (;*val; val++)
					varlen++;
			}
			else {
				while (*val) {
					if (quotes &&
					    syntax[(int)*val] == CCTL)
						STPUTC(CTLESC, expdest);
					STPUTC(*val++, expdest);
				}

			}
		}
	}

	if (subtype == VSPLUS)
		set = ! set;

	easy = ((varflags & VSQUOTE) == 0 ||
		(*var == '@' && shellparam.nparam != 1));


	switch (subtype) {
	case VSLENGTH:
		expdest = cvtnum(varlen, expdest);
		goto record;

	case VSNORMAL:
		if (!easy)
			break;
record:
		recordregion(startloc, expdest - stackblock(),
			     varflags & VSQUOTE);
		break;

	case VSPLUS:
	case VSMINUS:
		if (!set) {
			argstr(p, flag);
			break;
		}
		if (easy)
			goto record;
		break;

	case VSTRIMLEFT:
	case VSTRIMLEFTMAX:
	case VSTRIMRIGHT:
	case VSTRIMRIGHTMAX:
		if (!set)
			break;
		/*
		 * Terminate the string and start recording the pattern
		 * right after it
		 */
		STPUTC('\0', expdest);
		patloc = expdest - stackblock();
		if (subevalvar(p, NULL, patloc, subtype,
			       startloc, varflags) == 0) {
			int amount = (expdest - stackblock() - patloc) + 1;
			STADJUST(-amount, expdest);
		}
		/* Remove any recorded regions beyond start of variable */
		removerecordregions(startloc);
		goto record;

	case VSASSIGN:
	case VSQUESTION:
		if (!set) {
			if (subevalvar(p, var, 0, subtype, startloc, varflags)) {
				varflags &= ~VSNUL;
				/*
				 * Remove any recorded regions beyond
				 * start of variable
				 */
				removerecordregions(startloc);
				goto again;
			}
			break;
		}
		if (easy)
			goto record;
		break;

	case VSERROR:
		c = p - var - 1;
		error("${%.*s%s}: Bad substitution", c, var,
		    (c > 0 && *p != CTLENDVAR) ? "..." : "");

	default:
		abort();
	}
	p[-1] = '=';	/* recover overwritten '=' */

	if (subtype != VSNORMAL) {	/* skip to end of alternative */
		int nesting = 1;
		for (;;) {
			if ((c = *p++) == CTLESC)
				p++;
			else if (c == CTLBACKQ || c == (CTLBACKQ|CTLQUOTE)) {
				if (set)
					argbackq = argbackq->next;
			} else if (c == CTLVAR) {
				if ((*p++ & VSTYPE) != VSNORMAL)
					nesting++;
			} else if (c == CTLENDVAR) {
				if (--nesting == 0)
					break;
			}
		}
	}
	return p;
}
Esempio n. 7
0
static int
getfield(                             /* get next field */
register struct field  *f
)
{
	static char  buf[RMAXWORD+1];            /* no recursion! */
	int  delim, inword;
	double  d;
	char  *np;
	register char  *cp;

	switch (f->type & F_TYP) {
	case T_LIT:
		cp = f->f.sl;
		do {
			if (blnkeq && isblnk(*cp)) {
				if (!isblnk(ipb.chr))
					return(-1);
				do
					cp++;
				while (isblnk(*cp));
				do
					scaninp();
				while (isblnk(ipb.chr));
			} else if (*cp == ipb.chr) {
				cp++;
				scaninp();
			} else
				return(-1);
		} while (*cp);
		return(0);
	case T_STR:
		if (f->next == NULL || (f->next->type & F_TYP) != T_LIT)
			delim = EOF;
		else
			delim = f->next->f.sl[0];
		cp = buf;
		do {
			if (ipb.chr == EOF || ipb.chr == '\n')
				inword = 0;
			else if (blnkeq && delim != EOF)
				inword = isblnk(delim) ?
						!isblnk(ipb.chr)
						: ipb.chr != delim;
			else
				inword = cp-buf < (f->type & F_WID);
			if (inword) {
				*cp++ = ipb.chr;
				scaninp();
			}
		} while (inword && cp < &buf[RMAXWORD]);
		*cp = '\0';
		if (f->f.sv->val == NULL)
			f->f.sv->val = savqstr(buf);	/* first setting */
		else if (strcmp(f->f.sv->val, buf))
			return(-1);			/* doesn't match! */
		return(0);
	case T_NUM:
		if (f->next == NULL || (f->next->type & F_TYP) != T_LIT)
			delim = EOF;
		else
			delim = f->next->f.sl[0];
		np = NULL;
		cp = buf;
		do {
			if (!((np==NULL&&isblnk(ipb.chr)) || isnum(ipb.chr)))
				inword = 0;
			else if (blnkeq && delim != EOF)
				inword = isblnk(delim) ?
						!isblnk(ipb.chr)
						: ipb.chr != delim;
			else
				inword = cp-buf < (f->type & F_WID);
			if (inword) {
				if (np==NULL && !isblnk(ipb.chr))
					np = cp;
				*cp++ = ipb.chr;
				scaninp();
			}
		} while (inword && cp < &buf[RMAXWORD]);
		*cp = '\0';
		d = np==NULL ? 0. : atof(np);
		if (!vardefined(f->f.nv))
			varset(f->f.nv, '=', d);	/* first setting */
		else if ((d = (varvalue(f->f.nv)-d)/(d==0.?1.:d)) > .001
				|| d < -.001)
			return(-1);			/* doesn't match! */
		return(0);
	}
	return -1; /* pro forma return */
}
Esempio n. 8
0
int
main(
	int	argc,
	char	*argv[]
)
{
	int	original;
	double	f;
	int	a;
	SET_DEFAULT_BINARY();
	SET_FILE_BINARY(stdin);
	SET_FILE_BINARY(stdout);
	progname = argv[0];
						/* scan options */
	for (a = 1; a < argc; a++) {
		if (argv[a][0] == '-')
			switch (argv[a][1]) {
			case 'x':
			case 'y':
				a++;
				continue;
			case 'w':
				nowarn = !nowarn;
				continue;
			case 'h':
				echoheader = !echoheader;
				continue;
			case 'f':
			case 'e':
				a++;
				continue;
			}
		break;
	}
	newheader("RADIANCE", stdout);	/* start header */
	fputnow(stdout);
					/* process files */
	for (nfiles = 0; nfiles < MAXINP; nfiles++) {
		setcolor(input[nfiles].coef, 1.0, 1.0, 1.0);
		setcolor(input[nfiles].expos, 1.0, 1.0, 1.0);
		input[nfiles].vw = stdview;
		input[nfiles].pa = 1.0;
	}
	nfiles = 0;
	original = 0;
	for ( ; a < argc; a++) {
		if (nfiles >= MAXINP) {
			eputs(argv[0]);
			eputs(": too many picture files\n");
			quit(1);
		}
		if (argv[a][0] == '-')
			switch (argv[a][1]) {
			case '\0':
				input[nfiles].name = StandardInput;
				input[nfiles].fp = stdin;
				break;
			case 'o':
				original++;
				continue;
			case 's':
				f = atof(argv[++a]);
				scalecolor(input[nfiles].coef, f);
				continue;
			case 'c':
				colval(input[nfiles].coef,RED)*=atof(argv[++a]);
				colval(input[nfiles].coef,GRN)*=atof(argv[++a]);
				colval(input[nfiles].coef,BLU)*=atof(argv[++a]);
				continue;
			default:
				goto usage;
			}
		else {
			if (argv[a][0] == '!') {
				input[nfiles].name = Command;
				input[nfiles].fp = popen(argv[a]+1, "r");
			} else {
				input[nfiles].name = argv[a];
				input[nfiles].fp = fopen(argv[a], "r");
			}
			if (input[nfiles].fp == NULL) {
				perror(argv[a]);
				quit(1);
			}
		}
		checkfile();
		if (original) {
			colval(input[nfiles].coef,RED) /=
					colval(input[nfiles].expos,RED);
			colval(input[nfiles].coef,GRN) /=
					colval(input[nfiles].expos,GRN);
			colval(input[nfiles].coef,BLU) /=
					colval(input[nfiles].expos,BLU);
			setcolor(input[nfiles].expos, 1.0, 1.0, 1.0);
		}
		nfiles++;
		original = 0;
	}
	init();				/* set constants */
					/* go back and get expressions */
	for (a = 1; a < argc; a++) {
		if (argv[a][0] == '-')
			switch (argv[a][1]) {
			case 'x':
				varset(vxres, ':', eval(argv[++a]));
				continue;
			case 'y':
				varset(vyres, ':', eval(argv[++a]));
				continue;
			case 'w':
				continue;
			case 'h':
				continue;
			case 'f':
				fcompile(argv[++a]);
				continue;
			case 'e':
				scompile(argv[++a], NULL, 0);
				continue;
			}
		break;
	}
						/* set/get output resolution */
	if (!vardefined(vxres))
		varset(vxres, ':', (double)xmax);
	if (!vardefined(vyres))
		varset(vyres, ':', (double)ymax);
	xres = varvalue(vxres) + .5;
	yres = varvalue(vyres) + .5;
	if (xres <= 0 || yres <= 0) {
		eputs(argv[0]);
		eputs(": illegal output resolution\n");
		quit(1);
	}
						/* complete header */
	printargs(argc, argv, stdout);
	if (strcmp(ourfmt, PICFMT))
		fputformat(ourfmt, stdout);	/* print format if known */
	putchar('\n');
	fprtresolu(xres, yres, stdout);
						/* combine pictures */
	combine();
	quit(0);
usage:
	eputs("Usage: ");
	eputs(argv[0]);
	eputs(
" [-w][-h][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] hdr ..]\n");
	quit(1);
	return 1; /* pro forma return */
}