diff options
Diffstat (limited to 'h')
| -rw-r--r-- | h/getopt.h | 133 | ||||
| -rw-r--r-- | h/number.h | 153 |
2 files changed, 286 insertions, 0 deletions
diff --git a/h/getopt.h b/h/getopt.h new file mode 100644 index 0000000..f3696d9 --- /dev/null +++ b/h/getopt.h @@ -0,0 +1,133 @@ +/* Declarations for getopt. + Copyright (C) 1989, 90, 91, 92, 93, 94 Free Software Foundation, Inc. + +This file is part of the GNU C Library. Its master source is NOT part of +the C library, however. The master source lives in /gd/gnu/lib. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#ifndef _GETOPT_H +#define _GETOPT_H 1 + +#ifdef __cplusplus +extern "C" { +#endif + +/* For communication from `getopt' to the caller. + When `getopt' finds an option that takes an argument, + the argument value is returned here. + Also, when `ordering' is RETURN_IN_ORDER, + each non-option ARGV-element is returned here. */ + +extern char *optarg; + +/* Index in ARGV of the next element to be scanned. + This is used for communication to and from the caller + and for communication between successive calls to `getopt'. + + On entry to `getopt', zero means this is the first call; initialize. + + When `getopt' returns EOF, this is the index of the first of the + non-option elements that the caller should itself scan. + + Otherwise, `optind' communicates from one call to the next + how much of ARGV has been scanned so far. */ + +extern int optind; + +/* Callers store zero here to inhibit the error message `getopt' prints + for unrecognized options. */ + +extern int opterr; + +/* Set to an option character which was unrecognized. */ + +extern int optopt; + +/* Describe the long-named options requested by the application. + The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector + of `struct option' terminated by an element containing a name which is + zero. + + The field `has_arg' is: + no_argument (or 0) if the option does not take an argument, + required_argument (or 1) if the option requires an argument, + optional_argument (or 2) if the option takes an optional argument. + + If the field `flag' is not NULL, it points to a variable that is set + to the value given in the field `val' when the option is found, but + left unchanged if the option is not found. + + To have a long-named option do something other than set an `int' to + a compiled-in constant, such as set a value from `optarg', set the + option's `flag' field to zero and its `val' field to a nonzero + value (the equivalent single-letter option character, if there is + one). For long options that have a zero `flag' field, `getopt' + returns the contents of the `val' field. */ + +struct option +{ +#if defined (__STDC__) && __STDC__ + const char *name; +#else + char *name; +#endif + /* has_arg can't be an enum because some compilers complain about + type mismatches in all the code that assumes it is an int. */ + int has_arg; + int *flag; + int val; +}; + +/* Names for the values of the `has_arg' field of `struct option'. */ + +#define no_argument 0 +#define required_argument 1 +#define optional_argument 2 + +#if defined (__STDC__) && __STDC__ +#ifdef __GNU_LIBRARY__ +/* Many other libraries have conflicting prototypes for getopt, with + differences in the consts, in stdlib.h. To avoid compilation + errors, only prototype getopt for the GNU C library. */ +extern int getopt (int argc, char *const *argv, const char *shortopts); +#else /* not __GNU_LIBRARY__ */ +extern int getopt (); +#endif /* __GNU_LIBRARY__ */ +extern int getopt_long (int argc, char *const *argv, const char *shortopts, + const struct option *longopts, int *longind); +extern int getopt_long_only (int argc, char *const *argv, + const char *shortopts, + const struct option *longopts, int *longind); + +/* Internal only. Users should not call this directly. */ +extern int _getopt_internal (int argc, char *const *argv, + const char *shortopts, + const struct option *longopts, int *longind, + int long_only); +#else /* not __STDC__ */ +extern int getopt (); +extern int getopt_long (); +extern int getopt_long_only (); + +extern int _getopt_internal (); +#endif /* __STDC__ */ + +#ifdef __cplusplus +} +#endif + +#endif /* _GETOPT_H */ diff --git a/h/number.h b/h/number.h new file mode 100644 index 0000000..8d78120 --- /dev/null +++ b/h/number.h @@ -0,0 +1,153 @@ +/* number.h: Arbitrary precision numbers header file. */ +/* + Copyright (C) 1991, 1992, 1993, 1994, 1997, 2000 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License , or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to: + + The Free Software Foundation, Inc. + 59 Temple Place, Suite 330 + Boston, MA 02111-1307 USA. + + + You may contact the author by: + e-mail: philnelson@acm.org + us-mail: Philip A. Nelson + Computer Science Department, 9062 + Western Washington University + Bellingham, WA 98226-9062 + +*************************************************************************/ + +#ifndef _NUMBER_H_ +#define _NUMBER_H_ + +typedef enum {PLUS, MINUS} sign; + +typedef struct bc_struct *bc_num; + +typedef struct bc_struct + { + sign n_sign; + int n_len; /* The number of digits before the decimal point. */ + int n_scale; /* The number of digits after the decimal point. */ + int n_refs; /* The number of pointers to this number. */ + bc_num n_next; /* Linked list for available list. */ + char *n_ptr; /* The pointer to the actual storage. + If NULL, n_value points to the inside of + another number (bc_multiply...) and should + not be "freed." */ + char *n_value; /* The number. Not zero char terminated. + May not point to the same place as n_ptr as + in the case of leading zeros generated. */ + } bc_struct; + + +/* The base used in storing the numbers in n_value above. + Currently this MUST be 10. */ + +#define BASE 10 + +/* Some useful macros and constants. */ + +#define CH_VAL(c) (c - '0') +#define BCD_CHAR(d) (d + '0') + +#ifdef MIN +#undef MIN +#undef MAX +#endif +#define MAX(a,b) ((a)>(b)?(a):(b)) +#define MIN(a,b) ((a)>(b)?(b):(a)) +#define ODD(a) ((a)&1) + +#ifndef TRUE +#define TRUE 1 +#define FALSE 0 +#endif + +#ifndef LONG_MAX +#define LONG_MAX 0x7ffffff +#endif + + +/* Global numbers. */ +extern bc_num _zero_; +extern bc_num _one_; +extern bc_num _two_; + + +/* Function Prototypes */ + +/* Define the _PROTOTYPE macro if it is needed. */ + +#ifndef _PROTOTYPE +#ifdef __STDC__ +#define _PROTOTYPE(func, args) func args +#else +#define _PROTOTYPE(func, args) func() +#endif +#endif + +_PROTOTYPE(void bc_init_numbers, (void)); + +_PROTOTYPE(bc_num bc_new_num, (int length, int scale)); + +_PROTOTYPE(void bc_free_num, (bc_num *num)); + +_PROTOTYPE(bc_num bc_copy_num, (bc_num num)); + +_PROTOTYPE(void bc_init_num, (bc_num *num)); + +_PROTOTYPE(void bc_str2num, (bc_num *num, char *str, int scale)); + +_PROTOTYPE(char *bc_num2str, (bc_num num)); + +_PROTOTYPE(void bc_int2num, (bc_num *num, int val)); + +_PROTOTYPE(long bc_num2long, (bc_num num)); + +_PROTOTYPE(int bc_compare, (bc_num n1, bc_num n2)); + +_PROTOTYPE(char bc_is_zero, (bc_num num)); + +_PROTOTYPE(char bc_is_near_zero, (bc_num num, int scale)); + +_PROTOTYPE(char bc_is_neg, (bc_num num)); + +_PROTOTYPE(void bc_add, (bc_num n1, bc_num n2, bc_num *result, int scale_min)); + +_PROTOTYPE(void bc_sub, (bc_num n1, bc_num n2, bc_num *result, int scale_min)); + +_PROTOTYPE(void bc_multiply, (bc_num n1, bc_num n2, bc_num *prod, int scale)); + +_PROTOTYPE(int bc_divide, (bc_num n1, bc_num n2, bc_num *quot, int scale)); + +_PROTOTYPE(int bc_modulo, (bc_num num1, bc_num num2, bc_num *result, + int scale)); + +_PROTOTYPE(int bc_divmod, (bc_num num1, bc_num num2, bc_num *quot, + bc_num *rem, int scale)); + +_PROTOTYPE(int bc_raisemod, (bc_num base, bc_num expo, bc_num mod, + bc_num *result, int scale)); + +_PROTOTYPE(void bc_raise, (bc_num num1, bc_num num2, bc_num *result, + int scale)); + +_PROTOTYPE(int bc_sqrt, (bc_num *num, int scale)); + +_PROTOTYPE(void bc_out_num, (bc_num num, int o_base, void (* out_char)(int), + int leading_zero)); + +#endif |