/* Function declarations for libiberty.
+
+ Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2006, 2007, 2008, 2009, 2010, 2011 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., 51 Franklin Street - Fifth Floor,
+ Boston, MA 02110-1301, USA.
+
Written by Cygnus Support, 1994.
The libiberty library provides a number of functions which are
#include "ansidecl.h"
+/* Get a definition for size_t. */
+#include <stddef.h>
+/* Get a definition for va_list. */
+#include <stdarg.h>
+
+#include <stdio.h>
+
+/* If the OS supports it, ensure that the supplied stream is setup to
+ avoid any multi-threaded locking. Otherwise leave the FILE pointer
+ unchanged. If the stream is NULL do nothing. */
+
+extern void unlock_stream (FILE *);
+
+/* If the OS supports it, ensure that the standard I/O streams, stdin,
+ stdout and stderr are setup to avoid any multi-threaded locking.
+ Otherwise do nothing. */
+
+extern void unlock_std_streams (void);
+
+/* Open and return a FILE pointer. If the OS supports it, ensure that
+ the stream is setup to avoid any multi-threaded locking. Otherwise
+ return the FILE pointer unchanged. */
+
+extern FILE *fopen_unlocked (const char *, const char *);
+extern FILE *fdopen_unlocked (int, const char *);
+extern FILE *freopen_unlocked (const char *, const char *, FILE *);
+
/* Build an argument vector from a string. Allocates memory using
malloc. Use freeargv to free the vector. */
-extern char **buildargv PARAMS ((char *)) ATTRIBUTE_MALLOC;
+extern char **buildargv (const char *) ATTRIBUTE_MALLOC;
/* Free a vector returned by buildargv. */
-extern void freeargv PARAMS ((char **));
+extern void freeargv (char **);
/* Duplicate an argument vector. Allocates memory using malloc. Use
freeargv to free the vector. */
-extern char **dupargv PARAMS ((char **)) ATTRIBUTE_MALLOC;
+extern char **dupargv (char **) ATTRIBUTE_MALLOC;
+
+/* Expand "@file" arguments in argv. */
+
+extern void expandargv PARAMS ((int *, char ***));
+
+/* Write argv to an @-file, inserting necessary quoting. */
+
+extern int writeargv PARAMS ((char **, FILE *));
+
+/* Return the number of elements in argv. */
+extern int countargv (char**);
/* Return the last component of a path name. Note that we can't use a
prototype here because the parameter is declared inconsistently
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 *));
+#if !HAVE_DECL_BASENAME
+#if defined (__GNU_LIBRARY__ ) || defined (__linux__) || defined (__FreeBSD__) || defined (__OpenBSD__) || defined(__NetBSD__) || defined (__CYGWIN__) || defined (__CYGWIN32__) || defined (__MINGW32__) || defined (HAVE_DECL_BASENAME)
+extern char *basename (const char *);
#else
-# if !defined (HAVE_DECL_BASENAME)
-extern char *basename ();
-# endif
+/* Do not allow basename to be used if there is no prototype seen. We
+ either need to use the above prototype or have one from
+ autoconf which would result in HAVE_DECL_BASENAME being set. */
+#define basename basename_cannot_be_used_without_a_prototype
#endif
+#endif
+
+/* A well-defined basename () that is always compiled in. */
+
+extern const char *lbasename (const char *);
+
+/* Same, but assumes DOS semantics (drive name, backslash is also a
+ dir separator) regardless of host. */
+
+extern const char *dos_lbasename (const char *);
-/* Concatenate an arbitrary number of strings, up to (char *) NULL.
- Allocates memory using xmalloc. */
+/* Same, but assumes Unix semantics (absolute paths always start with
+ a slash, only forward slash is accepted as dir separator)
+ regardless of host. */
-extern char *concat PARAMS ((const char *, ...)) ATTRIBUTE_MALLOC;
+extern const char *unix_lbasename (const char *);
+
+/* A well-defined realpath () that is always compiled in. */
+
+extern char *lrealpath (const char *);
+
+/* Concatenate an arbitrary number of strings. You must pass NULL as
+ the last argument of this function, to terminate the list of
+ strings. Allocates memory using xmalloc. */
+
+extern char *concat (const char *, ...) ATTRIBUTE_MALLOC ATTRIBUTE_SENTINEL;
+
+/* Concatenate an arbitrary number of strings. You must pass NULL as
+ the last argument of this function, to terminate the list of
+ strings. Allocates memory using xmalloc. The first argument is
+ not one of the strings to be concatenated, but if not NULL is a
+ pointer to be freed after the new string is created, similar to the
+ way xrealloc works. */
+
+extern char *reconcat (char *, const char *, ...) ATTRIBUTE_MALLOC ATTRIBUTE_SENTINEL;
+
+/* Determine the length of concatenating an arbitrary number of
+ strings. You must pass NULL as the last argument of this function,
+ to terminate the list of strings. */
+
+extern unsigned long concat_length (const char *, ...) ATTRIBUTE_SENTINEL;
+
+/* Concatenate an arbitrary number of strings into a SUPPLIED area of
+ memory. You must pass NULL as the last argument of this function,
+ to terminate the list of strings. The supplied memory is assumed
+ to be large enough. */
+
+extern char *concat_copy (char *, const char *, ...) ATTRIBUTE_SENTINEL;
+
+/* Concatenate an arbitrary number of strings into a GLOBAL area of
+ memory. You must pass NULL as the last argument of this function,
+ to terminate the list of strings. The supplied memory is assumed
+ to be large enough. */
+
+extern char *concat_copy2 (const char *, ...) ATTRIBUTE_SENTINEL;
+
+/* This is the global area used by concat_copy2. */
+
+extern char *libiberty_concat_ptr;
+
+/* Concatenate an arbitrary number of strings. You must pass NULL as
+ the last argument of this function, to terminate the list of
+ strings. Allocates memory using alloca. The arguments are
+ evaluated twice! */
+#define ACONCAT(ACONCAT_PARAMS) \
+ (libiberty_concat_ptr = (char *) alloca (concat_length ACONCAT_PARAMS + 1), \
+ concat_copy2 ACONCAT_PARAMS)
/* Check whether two file descriptors refer to the same file. */
-extern int fdmatch PARAMS ((int fd1, int fd2));
+extern int fdmatch (int fd1, int fd2);
+
+/* Return the position of the first bit set in the argument. */
+/* Prototypes vary from system to system, so we only provide a
+ prototype on systems where we know that we need it. */
+#if defined (HAVE_DECL_FFS) && !HAVE_DECL_FFS
+extern int ffs(int);
+#endif
/* Get the working directory. The result is cached, so don't call
chdir() between calls to getpwd(). */
-extern char * getpwd PARAMS ((void));
+extern char * getpwd (void);
+
+/* Get the current time. */
+/* Prototypes vary from system to system, so we only provide a
+ prototype on systems where we know that we need it. */
+#ifdef __MINGW32__
+/* Forward declaration to avoid #include <sys/time.h>. */
+struct timeval;
+extern int gettimeofday (struct timeval *, void *);
+#endif
/* Get the amount of time the process has run, in microseconds. */
-extern long get_run_time PARAMS ((void));
+extern long get_run_time (void);
+
+/* Generate a relocated path to some installation directory. Allocates
+ return value using malloc. */
+
+extern char *make_relative_prefix (const char *, const char *,
+ const char *) ATTRIBUTE_MALLOC;
+
+/* Generate a relocated path to some installation directory without
+ attempting to follow any soft links. Allocates
+ return value using malloc. */
+
+extern char *make_relative_prefix_ignore_links (const char *, const char *,
+ const char *) ATTRIBUTE_MALLOC;
/* Choose a temporary directory to use for scratch files. */
-extern char *choose_temp_base PARAMS ((void)) ATTRIBUTE_MALLOC;
+extern char *choose_temp_base (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;
+extern char *make_temp_file (const char *) ATTRIBUTE_MALLOC;
+
+/* Remove a link to a file unless it is special. */
+
+extern int unlink_if_ordinary (const char *);
/* Allocate memory filled with spaces. Allocates using malloc. */
-extern const char *spaces PARAMS ((int count));
+extern const char *spaces (int count);
/* Return the maximum error number for which strerror will return a
string. */
-extern int errno_max PARAMS ((void));
+extern int errno_max (void);
/* Return the name of an errno value (e.g., strerrno (EINVAL) returns
"EINVAL"). */
-extern const char *strerrno PARAMS ((int));
+extern const char *strerrno (int);
/* Given the name of an errno value, return the value. */
-extern int strtoerrno PARAMS ((const char *));
+extern int strtoerrno (const char *);
/* ANSI's strerror(), but more robust. */
-extern char *xstrerror PARAMS ((int));
+extern char *xstrerror (int);
/* Return the maximum signal number for which strsignal will return a
string. */
-extern int signo_max PARAMS ((void));
+extern int signo_max (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));*/
+/*extern const char *strsignal (int);*/
/* Return the name of a signal number (e.g., strsigno (SIGHUP) returns
"SIGHUP"). */
-extern const char *strsigno PARAMS ((int));
+extern const char *strsigno (int);
/* Given the name of a signal, return its number. */
-extern int strtosigno PARAMS ((const char *));
+extern int strtosigno (const char *);
/* Register a function to be run by xexit. Returns 0 on success. */
-extern int xatexit PARAMS ((void (*fn) (void)));
+extern int xatexit (void (*fn) (void));
/* Exit, calling all the functions registered with xatexit. */
-extern void xexit PARAMS ((int status)) ATTRIBUTE_NORETURN;
+extern void xexit (int status) ATTRIBUTE_NORETURN;
/* Set the program name used by xmalloc. */
-extern void xmalloc_set_program_name PARAMS ((const char *));
+extern void xmalloc_set_program_name (const char *);
+
+/* Report an allocation failure. */
+extern void xmalloc_failed (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. */
-#ifdef ANSI_PROTOTYPES
-/* Get a definition for size_t. */
-#include <stddef.h>
-/* Get a definition for va_list. */
-#include <stdarg.h>
-#endif
-extern PTR xmalloc PARAMS ((size_t)) ATTRIBUTE_MALLOC;
+extern void *xmalloc (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));
+extern void *xrealloc (void *, 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;
+extern void *xcalloc (size_t, size_t) ATTRIBUTE_MALLOC;
/* Copy a string into a memory buffer without fail. */
-extern char *xstrdup PARAMS ((const char *)) ATTRIBUTE_MALLOC;
+extern char *xstrdup (const char *) ATTRIBUTE_MALLOC;
+
+/* Copy at most N characters from string into a buffer without fail. */
+
+extern char *xstrndup (const char *, size_t) 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;
+extern void *xmemdup (const void *, size_t, size_t) ATTRIBUTE_MALLOC;
+
+/* Physical memory routines. Return values are in BYTES. */
+extern double physmem_total (void);
+extern double physmem_available (void);
+
+/* Compute the 32-bit CRC of a block of memory. */
+extern unsigned int xcrc32 (const unsigned char *, int, unsigned int);
+
+/* These macros provide a K&R/C89/C++-friendly way of allocating structures
+ with nice encapsulation. The XDELETE*() macros are technically
+ superfluous, but provided here for symmetry. Using them consistently
+ makes it easier to update client code to use different allocators such
+ as new/delete and new[]/delete[]. */
+
+/* Scalar allocators. */
+
+#define XALLOCA(T) ((T *) alloca (sizeof (T)))
+#define XNEW(T) ((T *) xmalloc (sizeof (T)))
+#define XCNEW(T) ((T *) xcalloc (1, sizeof (T)))
+#define XDUP(T, P) ((T *) xmemdup ((P), sizeof (T), sizeof (T)))
+#define XDELETE(P) free ((void*) (P))
+
+/* Array allocators. */
+
+#define XALLOCAVEC(T, N) ((T *) alloca (sizeof (T) * (N)))
+#define XNEWVEC(T, N) ((T *) xmalloc (sizeof (T) * (N)))
+#define XCNEWVEC(T, N) ((T *) xcalloc ((N), sizeof (T)))
+#define XDUPVEC(T, P, N) ((T *) xmemdup ((P), sizeof (T) * (N), sizeof (T) * (N)))
+#define XRESIZEVEC(T, P, N) ((T *) xrealloc ((void *) (P), sizeof (T) * (N)))
+#define XDELETEVEC(P) free ((void*) (P))
+
+/* Allocators for variable-sized structures and raw buffers. */
+
+#define XALLOCAVAR(T, S) ((T *) alloca ((S)))
+#define XNEWVAR(T, S) ((T *) xmalloc ((S)))
+#define XCNEWVAR(T, S) ((T *) xcalloc (1, (S)))
+#define XDUPVAR(T, P, S1, S2) ((T *) xmemdup ((P), (S1), (S2)))
+#define XRESIZEVAR(T, P, S) ((T *) xrealloc ((P), (S)))
+
+/* Type-safe obstack allocator. */
+
+#define XOBNEW(O, T) ((T *) obstack_alloc ((O), sizeof (T)))
+#define XOBNEWVEC(O, T, N) ((T *) obstack_alloc ((O), sizeof (T) * (N)))
+#define XOBNEWVAR(O, T, S) ((T *) obstack_alloc ((O), (S)))
+#define XOBFINISH(O, T) ((T) obstack_finish ((O)))
/* 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));
+extern const unsigned char _hex_value[_hex_array_size];
+extern void hex_init (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)])
+#define hex_value(c) ((unsigned int) _hex_value[(unsigned char) (c)])
+
+/* Flags for pex_init. These are bits to be or'ed together. */
+
+/* Record subprocess times, if possible. */
+#define PEX_RECORD_TIMES 0x1
+
+/* Use pipes for communication between processes, if possible. */
+#define PEX_USE_PIPES 0x2
+
+/* Save files used for communication between processes. */
+#define PEX_SAVE_TEMPS 0x4
+
+/* Prepare to execute one or more programs, with standard output of
+ each program fed to standard input of the next.
+ FLAGS As above.
+ PNAME The name of the program to report in error messages.
+ TEMPBASE A base name to use for temporary files; may be NULL to
+ use a random name.
+ Returns NULL on error. */
+
+extern struct pex_obj *pex_init (int flags, const char *pname,
+ const char *tempbase);
+
+/* Flags for pex_run. These are bits to be or'ed together. */
+
+/* Last program in pipeline. Standard output of program goes to
+ OUTNAME, or, if OUTNAME is NULL, to standard output of caller. Do
+ not set this if you want to call pex_read_output. After this is
+ set, pex_run may no longer be called with the same struct
+ pex_obj. */
+#define PEX_LAST 0x1
+
+/* Search for program in executable search path. */
+#define PEX_SEARCH 0x2
+
+/* OUTNAME is a suffix. */
+#define PEX_SUFFIX 0x4
+
+/* Send program's standard error to standard output. */
+#define PEX_STDERR_TO_STDOUT 0x8
+
+/* Input file should be opened in binary mode. This flag is ignored
+ on Unix. */
+#define PEX_BINARY_INPUT 0x10
+
+/* Output file should be opened in binary mode. This flag is ignored
+ on Unix. For proper behaviour PEX_BINARY_INPUT and
+ PEX_BINARY_OUTPUT have to match appropriately--i.e., a call using
+ PEX_BINARY_OUTPUT should be followed by a call using
+ PEX_BINARY_INPUT. */
+#define PEX_BINARY_OUTPUT 0x20
+
+/* Capture stderr to a pipe. The output can be read by
+ calling pex_read_err and reading from the returned
+ FILE object. This flag may be specified only for
+ the last program in a pipeline.
+
+ This flag is supported only on Unix and Windows. */
+#define PEX_STDERR_TO_PIPE 0x40
+
+/* Capture stderr in binary mode. This flag is ignored
+ on Unix. */
+#define PEX_BINARY_ERROR 0x80
+
+
+/* Execute one program. Returns NULL on success. On error returns an
+ error string (typically just the name of a system call); the error
+ string is statically allocated.
+
+ OBJ Returned by pex_init.
+
+ FLAGS As above.
+
+ EXECUTABLE The program to execute.
+
+ ARGV NULL terminated array of arguments to pass to the program.
+
+ OUTNAME Sets the output file name as follows:
+
+ PEX_SUFFIX set (OUTNAME may not be NULL):
+ TEMPBASE parameter to pex_init not NULL:
+ Output file name is the concatenation of TEMPBASE
+ and OUTNAME.
+ TEMPBASE is NULL:
+ Output file name is a random file name ending in
+ OUTNAME.
+ PEX_SUFFIX not set:
+ OUTNAME not NULL:
+ Output file name is OUTNAME.
+ OUTNAME NULL, TEMPBASE not NULL:
+ Output file name is randomly chosen using
+ TEMPBASE.
+ OUTNAME NULL, TEMPBASE NULL:
+ Output file name is randomly chosen.
+
+ If PEX_LAST is not set, the output file name is the
+ name to use for a temporary file holding stdout, if
+ any (there will not be a file if PEX_USE_PIPES is set
+ and the system supports pipes). If a file is used, it
+ will be removed when no longer needed unless
+ PEX_SAVE_TEMPS is set.
+
+ If PEX_LAST is set, and OUTNAME is not NULL, standard
+ output is written to the output file name. The file
+ will not be removed. If PEX_LAST and PEX_SUFFIX are
+ both set, TEMPBASE may not be NULL.
+
+ ERRNAME If not NULL, this is the name of a file to which
+ standard error is written. If NULL, standard error of
+ the program is standard error of the caller.
+
+ ERR On an error return, *ERR is set to an errno value, or
+ to 0 if there is no relevant errno.
+*/
+
+extern const char *pex_run (struct pex_obj *obj, int flags,
+ const char *executable, char * const *argv,
+ const char *outname, const char *errname,
+ int *err);
+
+/* As for pex_run (), but takes an extra parameter to enable the
+ environment for the child process to be specified.
+
+ ENV The environment for the child process, specified as
+ an array of character pointers. Each element of the
+ array should point to a string of the form VAR=VALUE,
+ with the exception of the last element which must be
+ a null pointer.
+*/
+
+extern const char *pex_run_in_environment (struct pex_obj *obj, int flags,
+ const char *executable,
+ char * const *argv,
+ char * const *env,
+ const char *outname,
+ const char *errname, int *err);
+
+/* Return a stream for a temporary file to pass to the first program
+ in the pipeline as input. The file name is chosen as for pex_run.
+ pex_run closes the file automatically; don't close it yourself. */
+
+extern FILE *pex_input_file (struct pex_obj *obj, int flags,
+ const char *in_name);
+
+/* Return a stream for a pipe connected to the standard input of the
+ first program in the pipeline. You must have passed
+ `PEX_USE_PIPES' to `pex_init'. Close the returned stream
+ yourself. */
+
+extern FILE *pex_input_pipe (struct pex_obj *obj, int binary);
+
+/* Read the standard output of the last program to be executed.
+ pex_run can not be called after this. BINARY should be non-zero if
+ the file should be opened in binary mode; this is ignored on Unix.
+ Returns NULL on error. Don't call fclose on the returned FILE; it
+ will be closed by pex_free. */
+
+extern FILE *pex_read_output (struct pex_obj *, int binary);
+
+/* Read the standard error of the last program to be executed.
+ pex_run can not be called after this. BINARY should be non-zero if
+ the file should be opened in binary mode; this is ignored on Unix.
+ Returns NULL on error. Don't call fclose on the returned FILE; it
+ will be closed by pex_free. */
+
+extern FILE *pex_read_err (struct pex_obj *, int binary);
+
+/* Return exit status of all programs in VECTOR. COUNT indicates the
+ size of VECTOR. The status codes in the vector are in the order of
+ the calls to pex_run. Returns 0 on error, 1 on success. */
+
+extern int pex_get_status (struct pex_obj *, int count, int *vector);
+
+/* Return times of all programs in VECTOR. COUNT indicates the size
+ of VECTOR. struct pex_time is really just struct timeval, but that
+ is not portable to all systems. Returns 0 on error, 1 on
+ success. */
+
+struct pex_time
+{
+ unsigned long user_seconds;
+ unsigned long user_microseconds;
+ unsigned long system_seconds;
+ unsigned long system_microseconds;
+};
+
+extern int pex_get_times (struct pex_obj *, int count,
+ struct pex_time *vector);
+
+/* Clean up a pex_obj. If you have not called pex_get_times or
+ pex_get_status, this will try to kill the subprocesses. */
+
+extern void pex_free (struct pex_obj *);
+
+/* Just execute one program. Return value is as for pex_run.
+ FLAGS Combination of PEX_SEARCH and PEX_STDERR_TO_STDOUT.
+ EXECUTABLE As for pex_run.
+ ARGV As for pex_run.
+ PNAME As for pex_init.
+ OUTNAME As for pex_run when PEX_LAST is set.
+ ERRNAME As for pex_run.
+ STATUS Set to exit status on success.
+ ERR As for pex_run.
+*/
+
+extern const char *pex_one (int flags, const char *executable,
+ char * const *argv, const char *pname,
+ const char *outname, const char *errname,
+ int *status, int *err);
+
+/* pexecute and pwait are the old pexecute interface, still here for
+ backward compatibility. Don't use these for new code. Instead,
+ use pex_init/pex_run/pex_get_status/pex_free, or pex_one. */
/* Definitions used by the pexecute routine. */
/* Execute a program. */
-extern int pexecute PARAMS ((const char *, char * const *, const char *,
- const char *, char **, char **, int));
+extern int pexecute (const char *, char * const *, const char *,
+ const char *, char **, char **, int);
/* Wait for pexecute to finish. */
-extern int pwait PARAMS ((int, int *, int));
+extern int pwait (int, int *, int);
+#if !HAVE_DECL_ASPRINTF
/* 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;
+extern int asprintf (char **, const char *, ...) ATTRIBUTE_PRINTF_2;
+#endif
+#if !HAVE_DECL_VASPRINTF
/* 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);
+extern int vasprintf (char **, const char *, va_list) ATTRIBUTE_PRINTF(2,0);
+#endif
+
+#if defined(HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF
+/* Like sprintf but prints at most N characters. */
+extern int snprintf (char *, size_t, const char *, ...) ATTRIBUTE_PRINTF_3;
+#endif
+
+#if defined(HAVE_DECL_VSNPRINTF) && !HAVE_DECL_VSNPRINTF
+/* Like vsprintf but prints at most N characters. */
+extern int vsnprintf (char *, size_t, const char *, va_list) ATTRIBUTE_PRINTF(3,0);
+#endif
+
+#if defined(HAVE_DECL_STRVERSCMP) && !HAVE_DECL_STRVERSCMP
+/* Compare version strings. */
+extern int strverscmp (const char *, const char *);
+#endif
+
+/* Set the title of a process */
+extern void setproctitle (const char *name, ...);
+
+/* Increase stack limit if possible. */
+extern void stack_limit_increase (unsigned long);
#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 void *C_alloca (size_t) ATTRIBUTE_MALLOC;
+#undef alloca
+#if GCC_VERSION >= 2000 && !defined USE_C_ALLOCA
+# define alloca(x) __builtin_alloca(x)
+# undef C_ALLOCA
+# define ASTRDUP(X) \
+ (__extension__ ({ const char *const libiberty_optr = (X); \
+ const unsigned long libiberty_len = strlen (libiberty_optr) + 1; \
+ char *const libiberty_nptr = (char *const) alloca (libiberty_len); \
+ (char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len); }))
+#else
+# define alloca(x) C_alloca(x)
+# undef USE_C_ALLOCA
+# define USE_C_ALLOCA 1
+# undef C_ALLOCA
+# define C_ALLOCA 1
+extern const char *libiberty_optr;
+extern char *libiberty_nptr;
+extern unsigned long libiberty_len;
+# define ASTRDUP(X) \
+ (libiberty_optr = (X), \
+ libiberty_len = strlen (libiberty_optr) + 1, \
+ libiberty_nptr = (char *) alloca (libiberty_len), \
+ (char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len))
+#endif
+
#ifdef __cplusplus
}
#endif
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