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- /* Function declarations for libiberty.
- Copyright (C) 1997-2015 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
- 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"
- /* 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 (const char *) ATTRIBUTE_MALLOC;
- /* Free a vector returned by buildargv. */
- extern void freeargv (char **);
- /* Duplicate an argument vector. Allocates memory using malloc. Use
- freeargv to free the vector. */
- extern char **dupargv (char **) ATTRIBUTE_MALLOC;
- /* Expand "@file" arguments in argv. */
- extern void expandargv (int *, char ***);
- /* Write argv to an @-file, inserting necessary quoting. */
- extern int writeargv (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
- 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 !HAVE_DECL_BASENAME
- #if defined (__GNU_LIBRARY__ ) || defined (__linux__) \
- || defined (__FreeBSD__) || defined (__OpenBSD__) || defined (__NetBSD__) \
- || defined (__CYGWIN__) || defined (__CYGWIN32__) || defined (__MINGW32__) \
- || defined (__DragonFly__) || defined (HAVE_DECL_BASENAME)
- extern char *basename (const char *) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_NONNULL(1);
- #else
- /* 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 *) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_NONNULL(1);
- /* Same, but assumes DOS semantics (drive name, backslash is also a
- dir separator) regardless of host. */
- extern const char *dos_lbasename (const char *) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_NONNULL(1);
- /* Same, but assumes Unix semantics (absolute paths always start with
- a slash, only forward slash is accepted as dir separator)
- regardless of host. */
- extern const char *unix_lbasename (const char *) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_NONNULL(1);
- /* 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_RETURNS_NONNULL 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_RETURNS_NONNULL 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_RETURNS_NONNULL ATTRIBUTE_NONNULL(1) 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_RETURNS_NONNULL 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 (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 (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 (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;
- /* Returns a pointer to a directory path suitable for creating temporary
- files in. */
- extern const char *choose_tmpdir (void) ATTRIBUTE_RETURNS_NONNULL;
- /* Choose a temporary directory to use for scratch files. */
- extern char *choose_temp_base (void) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL;
- /* Return a temporary file name or NULL if unable to create one. */
- 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 (int count);
- /* Return the maximum error number for which strerror will return a
- string. */
- extern int errno_max (void);
- /* Return the name of an errno value (e.g., strerrno (EINVAL) returns
- "EINVAL"). */
- extern const char *strerrno (int);
- /* Given the name of an errno value, return the value. */
- extern int strtoerrno (const char *);
- /* ANSI's strerror(), but more robust. */
- extern char *xstrerror (int) ATTRIBUTE_RETURNS_NONNULL;
- /* Return the maximum signal number for which strsignal will return a
- string. */
- 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 (int);*/
- /* Return the name of a signal number (e.g., strsigno (SIGHUP) returns
- "SIGHUP"). */
- extern const char *strsigno (int);
- /* Given the name of a signal, return its number. */
- extern int strtosigno (const char *);
- /* Register a function to be run by xexit. Returns 0 on success. */
- extern int xatexit (void (*fn) (void));
- /* Exit, calling all the functions registered with xatexit. */
- extern void xexit (int status) ATTRIBUTE_NORETURN;
- /* Set the program name used by xmalloc. */
- 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. */
- extern void *xmalloc (size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL;
- /* 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 void *xrealloc (void *, size_t) ATTRIBUTE_RETURNS_NONNULL;
- /* Allocate memory without fail and set it to zero. This works like
- xmalloc. */
- extern void *xcalloc (size_t, size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL;
- /* Copy a string into a memory buffer without fail. */
- extern char *xstrdup (const char *) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL;
- /* Copy at most N characters from string into a buffer without fail. */
- extern char *xstrndup (const char *, size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL;
- /* Copy an existing memory buffer to a new memory buffer without fail. */
- extern void *xmemdup (const void *, size_t, size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL;
- /* 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 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) ((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) ATTRIBUTE_RETURNS_NONNULL;
- /* 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
- /* Append stdout to existing file instead of truncating it. */
- #define PEX_STDOUT_APPEND 0x100
- /* Thes same as PEX_STDOUT_APPEND, but for STDERR. */
- #define PEX_STDERR_APPEND 0x200
- /* 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. */
- #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 (const char *, char * const *, const char *,
- const char *, char **, char **, int);
- /* Wait for pexecute to finish. */
- 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 (char **, const char *, ...) ATTRIBUTE_PRINTF_2;
- #endif
- /* Like asprintf but allocates memory without fail. This works like
- xmalloc. */
- extern char *xasprintf (const char *, ...) ATTRIBUTE_MALLOC ATTRIBUTE_PRINTF_1;
- #if !HAVE_DECL_VASPRINTF
- /* Like vsprintf but provides a pointer to malloc'd storage, which
- must be freed by the caller. */
- extern int vasprintf (char **, const char *, va_list) ATTRIBUTE_PRINTF(2,0);
- #endif
- /* Like vasprintf but allocates memory without fail. This works like
- xmalloc. */
- extern char *xvasprintf (const char *, va_list) ATTRIBUTE_MALLOC ATTRIBUTE_PRINTF(1,0);
- #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_STRNLEN) && !HAVE_DECL_STRNLEN
- extern size_t strnlen (const char *, size_t);
- #endif
- #if defined(HAVE_DECL_STRVERSCMP) && !HAVE_DECL_STRVERSCMP
- /* Compare version strings. */
- extern int strverscmp (const char *, const char *);
- #endif
- #if defined(HAVE_DECL_STRTOL) && !HAVE_DECL_STRTOL
- extern long int strtol (const char *nptr,
- char **endptr, int base);
- #endif
- #if defined(HAVE_DECL_STRTOUL) && !HAVE_DECL_STRTOUL
- extern unsigned long int strtoul (const char *nptr,
- char **endptr, int base);
- #endif
- #if defined(HAVE_LONG_LONG) && defined(HAVE_DECL_STRTOLL) && !HAVE_DECL_STRTOLL
- __extension__
- extern long long int strtoll (const char *nptr,
- char **endptr, int base);
- #endif
- #if defined(HAVE_LONG_LONG) && defined(HAVE_DECL_STRTOULL) && !HAVE_DECL_STRTOULL
- __extension__
- extern unsigned long long int strtoull (const char *nptr,
- char **endptr, int base);
- #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
- #endif /* ! defined (LIBIBERTY_H) */
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