diff options
Diffstat (limited to 'include/libiberty.h')
| -rw-r--r-- | include/libiberty.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/include/libiberty.h b/include/libiberty.h index 267b6ec..141cb88 100644 --- a/include/libiberty.h +++ b/include/libiberty.h @@ -137,6 +137,10 @@ extern const char *unix_lbasename (const char *) ATTRIBUTE_RETURNS_NONNULL ATTRI extern char *lrealpath (const char *); +/* Return true when FD file descriptor exists. */ + +extern int is_valid_fd (int fd); + /* 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. */ @@ -310,30 +314,30 @@ extern void xmalloc_failed (size_t) ATTRIBUTE_NORETURN; 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; +extern void *xmalloc (size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_RESULT_SIZE_1 ATTRIBUTE_WARN_UNUSED_RESULT; /* 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; +extern void *xrealloc (void *, size_t) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_RESULT_SIZE_2 ATTRIBUTE_WARN_UNUSED_RESULT; /* 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; +extern void *xcalloc (size_t, size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_RESULT_SIZE_1_2 ATTRIBUTE_WARN_UNUSED_RESULT; /* Copy a string into a memory buffer without fail. */ -extern char *xstrdup (const char *) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL; +extern char *xstrdup (const char *) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_WARN_UNUSED_RESULT; /* Copy at most N characters from string into a buffer without fail. */ -extern char *xstrndup (const char *, size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL; +extern char *xstrndup (const char *, size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_WARN_UNUSED_RESULT; /* 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; +extern void *xmemdup (const void *, size_t, size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_WARN_UNUSED_RESULT; /* Physical memory routines. Return values are in BYTES. */ extern double physmem_total (void); @@ -649,7 +653,7 @@ extern int asprintf (char **, const char *, ...) ATTRIBUTE_PRINTF_2; extern char *xasprintf (const char *, ...) ATTRIBUTE_MALLOC ATTRIBUTE_PRINTF_1; -#if !HAVE_DECL_VASPRINTF +#if defined(HAVE_DECL_VASPRINTF) && !HAVE_DECL_VASPRINTF /* Like vsprintf but provides a pointer to malloc'd storage, which must be freed by the caller. */ |