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113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
/* Function declarations for libiberty.
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Written by Cygnus Support, 1994.
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The libiberty library provides a number of functions which are
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missing on some operating systems. We do not declare those here,
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to avoid conflicts with the system header files on operating
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systems that do support those functions. In this file we only
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declare those functions which are specific to libiberty. */
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#ifndef LIBIBERTY_H
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#define LIBIBERTY_H
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#include "ansidecl.h"
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/* Build an argument vector from a string. Allocates memory using
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malloc. Use freeargv to free the vector. */
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extern char **buildargv PARAMS ((char *));
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/* Free a vector returned by buildargv. */
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extern void freeargv PARAMS ((char **));
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/* Return the last component of a path name. */
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extern char *basename PARAMS ((char *));
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/* Concatenate an arbitrary number of strings, up to (char *) NULL.
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Allocates memory using xmalloc. */
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extern char *concat PARAMS ((const char *, ...));
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/* Check whether two file descriptors refer to the same file. */
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extern int fdmatch PARAMS ((int fd1, int fd2));
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/* Get the amount of time the process has run, in microseconds. */
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extern long get_run_time PARAMS ((void));
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/* Allocate memory filled with spaces. Allocates using malloc. */
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extern const char *spaces PARAMS ((int count));
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/* Return the maximum error number for which strerror will return a
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string. */
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extern int errno_max PARAMS ((void));
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/* Return the name of an errno value (e.g., strerrno (EINVAL) returns
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"EINVAL"). */
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extern const char *strerrno PARAMS ((int));
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/* Given the name of an errno value, return the value. */
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extern int strtoerrno PARAMS ((const char *));
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/* Return the maximum signal number for which strsignal will return a
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string. */
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extern int signo_max PARAMS ((void));
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/* Return a signal message string for a signal number (e.g., strsignal
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(SIGHUP) returns something like "Hangup"). */
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extern const char *strsignal PARAMS ((int));
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/* Return the name of a signal number (e.g., strsigno (SIGHUP) returns
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"SIGHUP"). */
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extern const char *strsigno PARAMS ((int));
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/* Given the name of a signal, return its number. */
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extern int strtosigno PARAMS ((const char *));
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/* Register a function to be run by xexit. Returns 0 on success. */
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extern int xatexit PARAMS ((void (*fn) (void)));
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/* Exit, calling all the functions registered with xatexit. */
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#ifndef __GNUC__
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extern void xexit PARAMS ((int status));
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#else
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typedef void libiberty_voidfn PARAMS ((int status));
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volatile libiberty_voidfn xexit;
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#endif
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/* Set the program name used by xmalloc. */
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extern void xmalloc_set_program_name PARAMS ((const char *));
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/* Allocate memory without fail. If malloc fails, this will print a
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message to stderr (using the name set by xmalloc_set_program_name,
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if any) and then call xexit.
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FIXME: We do not declare the parameter type (size_t) in order to
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avoid conflicts with other declarations of xmalloc that exist in
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programs which use libiberty. */
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extern PTR xmalloc ();
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/* Reallocate memory without fail. This works like xmalloc.
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FIXME: We do not declare the parameter types for the same reason as
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xmalloc. */
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extern PTR xrealloc ();
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#endif /* ! defined (LIBIBERTY_H) */
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