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-rw-r--r--lib/unistr.in.h111
1 files changed, 56 insertions, 55 deletions
diff --git a/lib/unistr.in.h b/lib/unistr.in.h
index 04bec81..90125e5 100644
--- a/lib/unistr.in.h
+++ b/lib/unistr.in.h
@@ -1,24 +1,15 @@
/* Elementary Unicode string functions.
- Copyright (C) 2001-2002, 2005-2018 Free Software Foundation, Inc.
+ Copyright (C) 2001-2002, 2005-2022 Free Software Foundation, Inc.
- This program is free software: you can redistribute it and/or
- modify it under the terms of either:
+ This file is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
- * the GNU Lesser General Public License as published by the Free
- Software Foundation; either version 3 of the License, or (at your
- option) any later version.
-
- or
-
- * the GNU General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at your
- option) any later version.
-
- or both in parallel, as here.
- This program is distributed in the hope that it will be useful,
+ This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
@@ -37,9 +28,12 @@
/* Get bool. */
#include <unistring/stdbool.h>
-/* Get size_t. */
+/* Get size_t, ptrdiff_t. */
#include <stddef.h>
+/* Get free(). */
+#include <stdlib.h>
+
#ifdef __cplusplus
extern "C" {
#endif
@@ -205,7 +199,7 @@ extern int
# else
static inline int
u32_mbtouc_unsafe (ucs4_t *puc,
- const uint32_t *s, size_t n _GL_UNUSED_PARAMETER)
+ const uint32_t *s, _GL_ATTRIBUTE_MAYBE_UNUSED size_t n)
{
uint32_t c = *s;
@@ -271,7 +265,8 @@ extern int
u32_mbtouc (ucs4_t *puc, const uint32_t *s, size_t n);
# else
static inline int
-u32_mbtouc (ucs4_t *puc, const uint32_t *s, size_t n _GL_UNUSED_PARAMETER)
+u32_mbtouc (ucs4_t *puc, const uint32_t *s,
+ _GL_ATTRIBUTE_MAYBE_UNUSED size_t n)
{
uint32_t c = *s;
@@ -317,13 +312,13 @@ extern int
#if 1
/* Auxiliary function, also used by u8_chr, u8_strchr, u8_strrchr. */
extern int
- u8_uctomb_aux (uint8_t *s, ucs4_t uc, int n);
+ u8_uctomb_aux (uint8_t *s, ucs4_t uc, ptrdiff_t n);
# if !UNISTRING_HAVE_INLINE
extern int
- u8_uctomb (uint8_t *s, ucs4_t uc, int n);
+ u8_uctomb (uint8_t *s, ucs4_t uc, ptrdiff_t n);
# else
static inline int
-u8_uctomb (uint8_t *s, ucs4_t uc, int n)
+u8_uctomb (uint8_t *s, ucs4_t uc, ptrdiff_t n)
{
if (uc < 0x80 && n > 0)
{
@@ -339,13 +334,13 @@ u8_uctomb (uint8_t *s, ucs4_t uc, int n)
#if 1
/* Auxiliary function, also used by u16_chr, u16_strchr, u16_strrchr. */
extern int
- u16_uctomb_aux (uint16_t *s, ucs4_t uc, int n);
+ u16_uctomb_aux (uint16_t *s, ucs4_t uc, ptrdiff_t n);
# if !UNISTRING_HAVE_INLINE
extern int
- u16_uctomb (uint16_t *s, ucs4_t uc, int n);
+ u16_uctomb (uint16_t *s, ucs4_t uc, ptrdiff_t n);
# else
static inline int
-u16_uctomb (uint16_t *s, ucs4_t uc, int n)
+u16_uctomb (uint16_t *s, ucs4_t uc, ptrdiff_t n)
{
if (uc < 0xd800 && n > 0)
{
@@ -361,10 +356,10 @@ u16_uctomb (uint16_t *s, ucs4_t uc, int n)
#if 1
# if !UNISTRING_HAVE_INLINE
extern int
- u32_uctomb (uint32_t *s, ucs4_t uc, int n);
+ u32_uctomb (uint32_t *s, ucs4_t uc, ptrdiff_t n);
# else
static inline int
-u32_uctomb (uint32_t *s, ucs4_t uc, int n)
+u32_uctomb (uint32_t *s, ucs4_t uc, ptrdiff_t n)
{
if (uc < 0xd800 || (uc >= 0xe000 && uc < 0x110000))
{
@@ -385,11 +380,11 @@ u32_uctomb (uint32_t *s, ucs4_t uc, int n)
/* Copy N units from SRC to DEST. */
/* Similar to memcpy(). */
extern uint8_t *
- u8_cpy (uint8_t *dest, const uint8_t *src, size_t n);
+ u8_cpy (uint8_t *_UC_RESTRICT dest, const uint8_t *src, size_t n);
extern uint16_t *
- u16_cpy (uint16_t *dest, const uint16_t *src, size_t n);
+ u16_cpy (uint16_t *_UC_RESTRICT dest, const uint16_t *src, size_t n);
extern uint32_t *
- u32_cpy (uint32_t *dest, const uint32_t *src, size_t n);
+ u32_cpy (uint32_t *_UC_RESTRICT dest, const uint32_t *src, size_t n);
/* Copy N units from SRC to DEST, guaranteeing correct behavior for
overlapping memory areas. */
@@ -540,57 +535,57 @@ extern size_t
/* Copy SRC to DEST. */
/* Similar to strcpy(), wcscpy(). */
extern uint8_t *
- u8_strcpy (uint8_t *dest, const uint8_t *src);
+ u8_strcpy (uint8_t *_UC_RESTRICT dest, const uint8_t *src);
extern uint16_t *
- u16_strcpy (uint16_t *dest, const uint16_t *src);
+ u16_strcpy (uint16_t *_UC_RESTRICT dest, const uint16_t *src);
extern uint32_t *
- u32_strcpy (uint32_t *dest, const uint32_t *src);
+ u32_strcpy (uint32_t *_UC_RESTRICT dest, const uint32_t *src);
/* Copy SRC to DEST, returning the address of the terminating NUL in DEST. */
/* Similar to stpcpy(). */
extern uint8_t *
- u8_stpcpy (uint8_t *dest, const uint8_t *src);
+ u8_stpcpy (uint8_t *_UC_RESTRICT dest, const uint8_t *src);
extern uint16_t *
- u16_stpcpy (uint16_t *dest, const uint16_t *src);
+ u16_stpcpy (uint16_t *_UC_RESTRICT dest, const uint16_t *src);
extern uint32_t *
- u32_stpcpy (uint32_t *dest, const uint32_t *src);
+ u32_stpcpy (uint32_t *_UC_RESTRICT dest, const uint32_t *src);
/* Copy no more than N units of SRC to DEST. */
/* Similar to strncpy(), wcsncpy(). */
extern uint8_t *
- u8_strncpy (uint8_t *dest, const uint8_t *src, size_t n);
+ u8_strncpy (uint8_t *_UC_RESTRICT dest, const uint8_t *src, size_t n);
extern uint16_t *
- u16_strncpy (uint16_t *dest, const uint16_t *src, size_t n);
+ u16_strncpy (uint16_t *_UC_RESTRICT dest, const uint16_t *src, size_t n);
extern uint32_t *
- u32_strncpy (uint32_t *dest, const uint32_t *src, size_t n);
+ u32_strncpy (uint32_t *_UC_RESTRICT dest, const uint32_t *src, size_t n);
/* Copy no more than N units of SRC to DEST. Return a pointer past the last
non-NUL unit written into DEST. */
/* Similar to stpncpy(). */
extern uint8_t *
- u8_stpncpy (uint8_t *dest, const uint8_t *src, size_t n);
+ u8_stpncpy (uint8_t *_UC_RESTRICT dest, const uint8_t *src, size_t n);
extern uint16_t *
- u16_stpncpy (uint16_t *dest, const uint16_t *src, size_t n);
+ u16_stpncpy (uint16_t *_UC_RESTRICT dest, const uint16_t *src, size_t n);
extern uint32_t *
- u32_stpncpy (uint32_t *dest, const uint32_t *src, size_t n);
+ u32_stpncpy (uint32_t *_UC_RESTRICT dest, const uint32_t *src, size_t n);
/* Append SRC onto DEST. */
/* Similar to strcat(), wcscat(). */
extern uint8_t *
- u8_strcat (uint8_t *dest, const uint8_t *src);
+ u8_strcat (uint8_t *_UC_RESTRICT dest, const uint8_t *src);
extern uint16_t *
- u16_strcat (uint16_t *dest, const uint16_t *src);
+ u16_strcat (uint16_t *_UC_RESTRICT dest, const uint16_t *src);
extern uint32_t *
- u32_strcat (uint32_t *dest, const uint32_t *src);
+ u32_strcat (uint32_t *_UC_RESTRICT dest, const uint32_t *src);
/* Append no more than N units of SRC onto DEST. */
/* Similar to strncat(), wcsncat(). */
extern uint8_t *
- u8_strncat (uint8_t *dest, const uint8_t *src, size_t n);
+ u8_strncat (uint8_t *_UC_RESTRICT dest, const uint8_t *src, size_t n);
extern uint16_t *
- u16_strncat (uint16_t *dest, const uint16_t *src, size_t n);
+ u16_strncat (uint16_t *_UC_RESTRICT dest, const uint16_t *src, size_t n);
extern uint32_t *
- u32_strncat (uint32_t *dest, const uint32_t *src, size_t n);
+ u32_strncat (uint32_t *_UC_RESTRICT dest, const uint32_t *src, size_t n);
/* Compare S1 and S2. */
/* Similar to strcmp(), wcscmp(). */
@@ -638,11 +633,14 @@ extern int
/* Duplicate S, returning an identical malloc'd string. */
/* Similar to strdup(), wcsdup(). */
extern uint8_t *
- u8_strdup (const uint8_t *s);
+ u8_strdup (const uint8_t *s)
+ _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE;
extern uint16_t *
- u16_strdup (const uint16_t *s);
+ u16_strdup (const uint16_t *s)
+ _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE;
extern uint32_t *
- u32_strdup (const uint32_t *s);
+ u32_strdup (const uint32_t *s)
+ _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE;
/* Find the first occurrence of UC in STR. */
/* Similar to strchr(), wcschr(). */
@@ -744,11 +742,14 @@ extern bool
This interface is actually more similar to wcstok than to strtok. */
/* Similar to strtok_r(), wcstok(). */
extern uint8_t *
- u8_strtok (uint8_t *str, const uint8_t *delim, uint8_t **ptr);
+ u8_strtok (uint8_t *_UC_RESTRICT str, const uint8_t *delim,
+ uint8_t **ptr);
extern uint16_t *
- u16_strtok (uint16_t *str, const uint16_t *delim, uint16_t **ptr);
+ u16_strtok (uint16_t *_UC_RESTRICT str, const uint16_t *delim,
+ uint16_t **ptr);
extern uint32_t *
- u32_strtok (uint32_t *str, const uint32_t *delim, uint32_t **ptr);
+ u32_strtok (uint32_t *_UC_RESTRICT str, const uint32_t *delim,
+ uint32_t **ptr);
#ifdef __cplusplus