forked from KolibriOS/kolibrios
263 lines
8.4 KiB
C
263 lines
8.4 KiB
C
/* Function declarations for libiberty.
|
|
|
|
Copyright 2001 Free Software Foundation, Inc.
|
|
|
|
Note - certain prototypes declared in this header file are for
|
|
functions whoes implementation copyright does not belong to the
|
|
FSF. Those prototypes are present in this file for reference
|
|
purposes only and their presence in this file should not construed
|
|
as an indication of ownership by the FSF of the implementation of
|
|
those functions in any way or form whatsoever.
|
|
|
|
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, 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; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA.
|
|
|
|
Written by Cygnus Support, 1994.
|
|
|
|
The libiberty library provides a number of functions which are
|
|
missing on some operating systems. We do not declare those here,
|
|
to avoid conflicts with the system header files on operating
|
|
systems that do support those functions. In this file we only
|
|
declare those functions which are specific to libiberty. */
|
|
|
|
#ifndef LIBIBERTY_H
|
|
#define LIBIBERTY_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "ansidecl.h"
|
|
|
|
#ifdef ANSI_PROTOTYPES
|
|
/* Get a definition for size_t. */
|
|
#include <stddef.h>
|
|
/* Get a definition for va_list. */
|
|
#include <stdarg.h>
|
|
#endif
|
|
|
|
/* Build an argument vector from a string. Allocates memory using
|
|
malloc. Use freeargv to free the vector. */
|
|
|
|
extern char **buildargv PARAMS ((char *)) ATTRIBUTE_MALLOC;
|
|
|
|
/* Free a vector returned by buildargv. */
|
|
|
|
extern void freeargv PARAMS ((char **));
|
|
|
|
/* Duplicate an argument vector. Allocates memory using malloc. Use
|
|
freeargv to free the vector. */
|
|
|
|
extern char **dupargv PARAMS ((char **)) ATTRIBUTE_MALLOC;
|
|
|
|
|
|
/* Return the last component of a path name. Note that we can't use a
|
|
prototype here because the parameter is declared inconsistently
|
|
across different systems, sometimes as "char *" and sometimes as
|
|
"const char *" */
|
|
|
|
/* HAVE_DECL_* is a three-state macro: undefined, 0 or 1. If it is
|
|
undefined, we haven't run the autoconf check so provide the
|
|
declaration without arguments. If it is 0, we checked and failed
|
|
to find the declaration so provide a fully prototyped one. If it
|
|
is 1, we found it so don't provide any declaration at all. */
|
|
#if defined (__GNU_LIBRARY__ ) || defined (__linux__) || defined (__FreeBSD__) || defined (__OpenBSD__) || defined (__CYGWIN__) || defined (__CYGWIN32__) || (defined (HAVE_DECL_BASENAME) && !HAVE_DECL_BASENAME)
|
|
extern char *basename PARAMS ((const char *));
|
|
#else
|
|
# if !defined (HAVE_DECL_BASENAME)
|
|
extern char *basename ();
|
|
# endif
|
|
#endif
|
|
|
|
/* A well-defined basename () that is always compiled in. */
|
|
|
|
extern char *lbasename PARAMS ((const char *));
|
|
|
|
/* Concatenate an arbitrary number of strings, up to (char *) NULL.
|
|
Allocates memory using xmalloc. */
|
|
|
|
extern char *concat PARAMS ((const char *, ...)) ATTRIBUTE_MALLOC;
|
|
|
|
/* Check whether two file descriptors refer to the same file. */
|
|
|
|
extern int fdmatch PARAMS ((int fd1, int fd2));
|
|
|
|
/* Get the working directory. The result is cached, so don't call
|
|
chdir() between calls to getpwd(). */
|
|
|
|
extern char * getpwd PARAMS ((void));
|
|
|
|
/* Get the amount of time the process has run, in microseconds. */
|
|
|
|
extern long get_run_time PARAMS ((void));
|
|
|
|
/* Choose a temporary directory to use for scratch files. */
|
|
|
|
extern char *choose_temp_base PARAMS ((void)) ATTRIBUTE_MALLOC;
|
|
|
|
/* Return a temporary file name or NULL if unable to create one. */
|
|
|
|
extern char *make_temp_file PARAMS ((const char *)) ATTRIBUTE_MALLOC;
|
|
|
|
/* Allocate memory filled with spaces. Allocates using malloc. */
|
|
|
|
extern const char *spaces PARAMS ((int count));
|
|
|
|
/* Return the maximum error number for which strerror will return a
|
|
string. */
|
|
|
|
extern int errno_max PARAMS ((void));
|
|
|
|
/* Return the name of an errno value (e.g., strerrno (EINVAL) returns
|
|
"EINVAL"). */
|
|
|
|
extern const char *strerrno PARAMS ((int));
|
|
|
|
/* Given the name of an errno value, return the value. */
|
|
|
|
extern int strtoerrno PARAMS ((const char *));
|
|
|
|
/* ANSI's strerror(), but more robust. */
|
|
|
|
extern char *xstrerror PARAMS ((int));
|
|
|
|
/* Return the maximum signal number for which strsignal will return a
|
|
string. */
|
|
|
|
extern int signo_max PARAMS ((void));
|
|
|
|
/* Return a signal message string for a signal number
|
|
(e.g., strsignal (SIGHUP) returns something like "Hangup"). */
|
|
/* This is commented out as it can conflict with one in system headers.
|
|
We still document its existence though. */
|
|
|
|
/*extern const char *strsignal PARAMS ((int));*/
|
|
|
|
/* Return the name of a signal number (e.g., strsigno (SIGHUP) returns
|
|
"SIGHUP"). */
|
|
|
|
extern const char *strsigno PARAMS ((int));
|
|
|
|
/* Given the name of a signal, return its number. */
|
|
|
|
extern int strtosigno PARAMS ((const char *));
|
|
|
|
/* Register a function to be run by xexit. Returns 0 on success. */
|
|
|
|
extern int xatexit PARAMS ((void (*fn) (void)));
|
|
|
|
/* Exit, calling all the functions registered with xatexit. */
|
|
|
|
extern void xexit PARAMS ((int status)) ATTRIBUTE_NORETURN;
|
|
|
|
/* Set the program name used by xmalloc. */
|
|
|
|
extern void xmalloc_set_program_name PARAMS ((const char *));
|
|
|
|
/* Report an allocation failure. */
|
|
extern void xmalloc_failed PARAMS ((size_t)) ATTRIBUTE_NORETURN;
|
|
|
|
/* Allocate memory without fail. If malloc fails, this will print a
|
|
message to stderr (using the name set by xmalloc_set_program_name,
|
|
if any) and then call xexit. */
|
|
|
|
extern PTR xmalloc PARAMS ((size_t)) ATTRIBUTE_MALLOC;
|
|
|
|
/* Reallocate memory without fail. This works like xmalloc. Note,
|
|
realloc type functions are not suitable for attribute malloc since
|
|
they may return the same address across multiple calls. */
|
|
|
|
extern PTR xrealloc PARAMS ((PTR, size_t));
|
|
|
|
/* Allocate memory without fail and set it to zero. This works like
|
|
xmalloc. */
|
|
|
|
extern PTR xcalloc PARAMS ((size_t, size_t)) ATTRIBUTE_MALLOC;
|
|
|
|
/* Copy a string into a memory buffer without fail. */
|
|
|
|
extern char *xstrdup PARAMS ((const char *)) ATTRIBUTE_MALLOC;
|
|
|
|
/* Copy an existing memory buffer to a new memory buffer without fail. */
|
|
|
|
extern PTR xmemdup PARAMS ((const PTR, size_t, size_t)) ATTRIBUTE_MALLOC;
|
|
|
|
/* hex character manipulation routines */
|
|
|
|
#define _hex_array_size 256
|
|
#define _hex_bad 99
|
|
extern char _hex_value[_hex_array_size];
|
|
extern void hex_init PARAMS ((void));
|
|
#define hex_p(c) (hex_value (c) != _hex_bad)
|
|
/* If you change this, note well: Some code relies on side effects in
|
|
the argument being performed exactly once. */
|
|
#define hex_value(c) (_hex_value[(unsigned char) (c)])
|
|
|
|
/* Definitions used by the pexecute routine. */
|
|
|
|
#define PEXECUTE_FIRST 1
|
|
#define PEXECUTE_LAST 2
|
|
#define PEXECUTE_ONE (PEXECUTE_FIRST + PEXECUTE_LAST)
|
|
#define PEXECUTE_SEARCH 4
|
|
#define PEXECUTE_VERBOSE 8
|
|
|
|
/* Execute a program. */
|
|
|
|
extern int pexecute PARAMS ((const char *, char * const *, const char *,
|
|
const char *, char **, char **, int));
|
|
|
|
/* Wait for pexecute to finish. */
|
|
|
|
extern int pwait PARAMS ((int, int *, int));
|
|
|
|
/* Like sprintf but provides a pointer to malloc'd storage, which must
|
|
be freed by the caller. */
|
|
|
|
extern int asprintf PARAMS ((char **, const char *, ...)) ATTRIBUTE_PRINTF_2;
|
|
|
|
/* Like vsprintf but provides a pointer to malloc'd storage, which
|
|
must be freed by the caller. */
|
|
|
|
extern int vasprintf PARAMS ((char **, const char *, va_list))
|
|
ATTRIBUTE_PRINTF(2,0);
|
|
|
|
#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
|
|
|
|
/* Drastically simplified alloca configurator. If we're using GCC,
|
|
we use __builtin_alloca; otherwise we use the C alloca. The C
|
|
alloca is always available. You can override GCC by defining
|
|
USE_C_ALLOCA yourself. The canonical autoconf macro C_ALLOCA is
|
|
also set/unset as it is often used to indicate whether code needs
|
|
to call alloca(0). */
|
|
extern PTR C_alloca PARAMS((size_t));
|
|
#undef alloca
|
|
#if GCC_VERSION >= 2000 && !defined USE_C_ALLOCA
|
|
# define alloca(x) __builtin_alloca(x)
|
|
# undef C_ALLOCA
|
|
#else
|
|
# define alloca(x) C_alloca(x)
|
|
# undef USE_C_ALLOCA
|
|
# define USE_C_ALLOCA 1
|
|
# undef C_ALLOCA
|
|
# define C_ALLOCA 1
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
|
|
#endif /* ! defined (LIBIBERTY_H) */
|