diff options
Diffstat (limited to 'libg++/include/libiberty.h')
-rw-r--r-- | libg++/include/libiberty.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/libg++/include/libiberty.h b/libg++/include/libiberty.h new file mode 100644 index 0000000..9e29012 --- /dev/null +++ b/libg++/include/libiberty.h @@ -0,0 +1,137 @@ +/* Function declarations for libiberty. + 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 + +#include "ansidecl.h" + +/* Build an argument vector from a string. Allocates memory using + malloc. Use freeargv to free the vector. */ + +extern char **buildargv PARAMS ((char *)); + +/* Free a vector returned by buildargv. */ + +extern void freeargv PARAMS ((char **)); + +/* Return the last component of a path name. */ + +extern char *basename (); + +/* Concatenate an arbitrary number of strings, up to (char *) NULL. + Allocates memory using xmalloc. */ + +extern char *concat PARAMS ((const char *, ...)); + +/* Check whether two file descriptors refer to the same file. */ + +extern int fdmatch PARAMS ((int fd1, int fd2)); + +/* 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)); + +/* 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. */ + +#ifndef __GNUC__ +extern void xexit PARAMS ((int status)); +#else +typedef void libiberty_voidfn PARAMS ((int status)); +__volatile__ libiberty_voidfn xexit; +#endif + +/* Set the program name used by xmalloc. */ + +extern void xmalloc_set_program_name PARAMS ((const char *)); + +/* 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. + + FIXME: We do not declare the parameter type (size_t) in order to + avoid conflicts with other declarations of xmalloc that exist in + programs which use libiberty. */ + +extern PTR xmalloc (); + +/* Reallocate memory without fail. This works like xmalloc. + + FIXME: We do not declare the parameter types for the same reason as + xmalloc. */ + +extern PTR xrealloc (); + +/* Copy a string into a memory buffer without fail. */ + +extern char *xstrdup PARAMS ((const char *)); + +/* 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)]) + +#endif /* ! defined (LIBIBERTY_H) */ |