/* Function declarations for libiberty.
- Copyright 2001, 2002 Free Software Foundation, Inc.
+ 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
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.
+ Foundation, Inc., 51 Franklin Street - Fifth Floor,
+ Boston, MA 02110-1301, USA.
Written by Cygnus Support, 1994.
#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
+
+#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 ((const 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 last component of a path name. Note that we can't use a
prototype here because the parameter is declared inconsistently
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 (__CYGWIN__) || defined (__CYGWIN32__) || defined (HAVE_DECL_BASENAME)
-extern char *basename PARAMS ((const char *));
+#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
-extern char *basename ();
+/* 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 PARAMS ((const char *));
+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 *);
+
+/* 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 *);
+
+/* 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 PARAMS ((const char *, ...)) ATTRIBUTE_MALLOC;
+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
pointer to be freed after the new string is created, similar to the
way xrealloc works. */
-extern char *reconcat PARAMS ((char *, const char *, ...)) ATTRIBUTE_MALLOC;
+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 PARAMS ((const char *, ...));
+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 PARAMS ((char *, const char *, ...));
+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 PARAMS ((const char *, ...));
+extern char *concat_copy2 (const char *, ...) ATTRIBUTE_SENTINEL;
/* This is the global area used by concat_copy2. */
strings. Allocates memory using alloca. The arguments are
evaluated twice! */
#define ACONCAT(ACONCAT_PARAMS) \
- (libiberty_concat_ptr = alloca (concat_length ACONCAT_PARAMS + 1), \
+ (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 PARAMS ((const char *, const char *,
- const char *));
+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 PARAMS ((size_t)) ATTRIBUTE_NORETURN;
+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 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 const 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,
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)) ATTRIBUTE_MALLOC;
+extern void *C_alloca (size_t) ATTRIBUTE_MALLOC;
#undef alloca
#if GCC_VERSION >= 2000 && !defined USE_C_ALLOCA
# define alloca(x) __builtin_alloca(x)
# define ASTRDUP(X) \
(__extension__ ({ const char *const libiberty_optr = (X); \
const unsigned long libiberty_len = strlen (libiberty_optr) + 1; \
- char *const libiberty_nptr = alloca (libiberty_len); \
+ char *const libiberty_nptr = (char *const) alloca (libiberty_len); \
(char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len); }))
#else
# define alloca(x) C_alloca(x)
# define ASTRDUP(X) \
(libiberty_optr = (X), \
libiberty_len = strlen (libiberty_optr) + 1, \
- libiberty_nptr = alloca (libiberty_len), \
+ libiberty_nptr = (char *) alloca (libiberty_len), \
(char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len))
#endif
projects / binutils.git / blobdiff