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Diffstat (limited to 'include/libiberty.h')
-rw-r--r-- | include/libiberty.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/include/libiberty.h b/include/libiberty.h new file mode 100644 index 0000000..32ba288 --- /dev/null +++ b/include/libiberty.h @@ -0,0 +1,112 @@ +/* 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 PARAMS ((char *)); + +/* 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)); + +/* 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 *)); + +/* 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"). */ + +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 (); + +#endif /* ! defined (LIBIBERTY_H) */ |