AC_CHECK_FUNCS([memfd_create])
AC_CHECK_FUNCS([__secure_getenv secure_getenv])
-AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, getrandom, renameat2, kcmp, keyctl, key_serial_t, LO_FLAGS_PARTSCAN],
+AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, getrandom, renameat2,
+ kcmp, keyctl, key_serial_t, char16_t, char32_t, LO_FLAGS_PARTSCAN],
[], [], [[
#include <sys/types.h>
#include <unistd.h>
return cescape_length(s, strlen(s));
}
-int cunescape_one(const char *p, size_t length, uint32_t *ret, bool *eight_bit) {
+int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit) {
int r = 1;
assert(p);
int a[8];
unsigned i;
- uint32_t c;
+ char32_t c;
if (length != (size_t) -1 && length < 9)
return -EINVAL;
case '7': {
/* octal encoding */
int a, b, c;
- uint32_t m;
+ char32_t m;
if (length != (size_t) -1 && length < 3)
return -EINVAL;
for (f = s, t = r + pl; f < s + length; f++) {
size_t remaining;
- uint32_t u;
bool eight_bit = false;
+ char32_t u;
int k;
remaining = s + length - f;
#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
+#include <uchar.h>
#include "string-util.h"
+#include "missing.h"
/* What characters are special in the shell? */
/* must be escaped outside and inside double-quotes */
int cunescape(const char *s, UnescapeFlags flags, char **ret);
int cunescape_length(const char *s, size_t length, UnescapeFlags flags, char **ret);
int cunescape_length_with_prefix(const char *s, size_t length, const char *prefix, UnescapeFlags flags, char **ret);
-int cunescape_one(const char *p, size_t length, uint32_t *ret, bool *eight_bit);
+int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit);
char *xescape(const char *s, const char *bad);
}
if (flags & EXTRACT_CUNESCAPE) {
- uint32_t u;
bool eight_bit = false;
+ char32_t u;
r = cunescape_one(*p, (size_t) -1, &u, &eight_bit);
if (r < 0) {
else if (*c == 't')
ch = '\t';
else if (*c == 'u') {
- uint16_t x;
+ char16_t x;
int r;
r = unhex_ucs2(c + 1, &x);
return -ENOMEM;
if (!utf16_is_surrogate(x))
- n += utf8_encode_unichar(s + n, x);
+ n += utf8_encode_unichar(s + n, (char32_t) x);
else if (utf16_is_trailing_surrogate(x))
return -EINVAL;
else {
- uint16_t y;
+ char16_t y;
if (c[0] != '\\' || c[1] != 'u')
return -EINVAL;
#include <stdlib.h>
#include <sys/resource.h>
#include <sys/syscall.h>
+#include <uchar.h>
#include <unistd.h>
#ifdef HAVE_AUDIT
#ifndef IF_OPER_UP
#define IF_OPER_UP 6
+
+#ifndef HAVE_DECL_CHAR32_T
+#define char32_t uint32_t
+#endif
+
+#ifndef HAVE_DECL_CHAR16_T
+#define char16_t uint16_t
+#endif
+
#endif
char *e;
const char *i, *j;
unsigned k, len, len2;
+ int r;
assert(s);
assert(percent <= 100);
k = 0;
for (i = s; k < x && i < s + old_length; i = utf8_next_char(i)) {
- int c;
+ char32_t c;
- c = utf8_encoded_to_unichar(i);
- if (c < 0)
+ r = utf8_encoded_to_unichar(i, &c);
+ if (r < 0)
return NULL;
k += unichar_iswide(c) ? 2 : 1;
}
x ++;
for (j = s + old_length; k < new_length && j > i; ) {
- int c;
+ char32_t c;
j = utf8_prev_char(j);
- c = utf8_encoded_to_unichar(j);
- if (c < 0)
+ r = utf8_encoded_to_unichar(j, &c);
+ if (r < 0)
return NULL;
k += unichar_iswide(c) ? 2 : 1;
}
#include "macro.h"
#include "utf8.h"
-bool unichar_is_valid(uint32_t ch) {
+bool unichar_is_valid(char32_t ch) {
if (ch >= 0x110000) /* End of unicode space */
return false;
return true;
}
-static bool unichar_is_control(uint32_t ch) {
+static bool unichar_is_control(char32_t ch) {
/*
0 to ' '-1 is the C0 range.
}
/* decode one unicode char */
-int utf8_encoded_to_unichar(const char *str) {
- int unichar, len, i;
+int utf8_encoded_to_unichar(const char *str, char32_t *ret_unichar) {
+ char32_t unichar;
+ int len, i;
assert(str);
switch (len) {
case 1:
- return (int)str[0];
+ *ret_unichar = (char32_t)str[0];
+ return 0;
case 2:
unichar = str[0] & 0x1f;
break;
case 3:
- unichar = (int)str[0] & 0x0f;
+ unichar = (char32_t)str[0] & 0x0f;
break;
case 4:
- unichar = (int)str[0] & 0x07;
+ unichar = (char32_t)str[0] & 0x07;
break;
case 5:
- unichar = (int)str[0] & 0x03;
+ unichar = (char32_t)str[0] & 0x03;
break;
case 6:
- unichar = (int)str[0] & 0x01;
+ unichar = (char32_t)str[0] & 0x01;
break;
default:
return -EINVAL;
}
for (i = 1; i < len; i++) {
- if (((int)str[i] & 0xc0) != 0x80)
+ if (((char32_t)str[i] & 0xc0) != 0x80)
return -EINVAL;
unichar <<= 6;
- unichar |= (int)str[i] & 0x3f;
+ unichar |= (char32_t)str[i] & 0x3f;
}
- return unichar;
+ *ret_unichar = unichar;
+
+ return 0;
}
bool utf8_is_printable_newline(const char* str, size_t length, bool newline) {
assert(str);
for (p = str; length;) {
- int encoded_len, val;
+ int encoded_len, r;
+ char32_t val;
encoded_len = utf8_encoded_valid_unichar(p);
if (encoded_len < 0 ||
(size_t) encoded_len > length)
return false;
- val = utf8_encoded_to_unichar(p);
- if (val < 0 ||
+ r = utf8_encoded_to_unichar(p, &val);
+ if (r < 0 ||
unichar_is_control(val) ||
(!newline && val == '\n'))
return false;
* Returns: The length in bytes that the UTF-8 representation does or would
* occupy.
*/
-size_t utf8_encode_unichar(char *out_utf8, uint32_t g) {
+size_t utf8_encode_unichar(char *out_utf8, char32_t g) {
if (g < (1 << 7)) {
if (out_utf8)
t = r;
while (f < (const uint8_t*) s + length) {
- uint16_t w1, w2;
+ char16_t w1, w2;
/* see RFC 2781 section 2.2 */
}
/* expected size used to encode one unicode char */
-static int utf8_unichar_to_encoded_len(int unichar) {
+static int utf8_unichar_to_encoded_len(char32_t unichar) {
if (unichar < 0x80)
return 1;
/* validate one encoded unicode char and return its length */
int utf8_encoded_valid_unichar(const char *str) {
- int len, unichar, i;
+ int len, i, r;
+ char32_t unichar;
assert(str);
if ((str[i] & 0x80) != 0x80)
return -EINVAL;
- unichar = utf8_encoded_to_unichar(str);
+ r = utf8_encoded_to_unichar(str, &unichar);
+ if (r < 0)
+ return r;
/* check if encoded length matches encoded value */
if (utf8_unichar_to_encoded_len(unichar) != len)
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
+#include <uchar.h>
#include "macro.h"
+#include "missing.h"
#define UTF8_REPLACEMENT_CHARACTER "\xef\xbf\xbd"
-bool unichar_is_valid(uint32_t c);
+bool unichar_is_valid(char32_t c);
const char *utf8_is_valid(const char *s) _pure_;
char *ascii_is_valid(const char *s) _pure_;
char *utf8_escape_invalid(const char *s);
char *utf8_escape_non_printable(const char *str);
-size_t utf8_encode_unichar(char *out_utf8, uint32_t g);
+size_t utf8_encode_unichar(char *out_utf8, char32_t g);
char *utf16_to_utf8(const void *s, size_t length);
int utf8_encoded_valid_unichar(const char *str);
-int utf8_encoded_to_unichar(const char *str);
+int utf8_encoded_to_unichar(const char *str, char32_t *ret_unichar);
-static inline bool utf16_is_surrogate(uint16_t c) {
+static inline bool utf16_is_surrogate(char16_t c) {
return (0xd800 <= c && c <= 0xdfff);
}
-static inline bool utf16_is_trailing_surrogate(uint16_t c) {
+static inline bool utf16_is_trailing_surrogate(char16_t c) {
return (0xdc00 <= c && c <= 0xdfff);
}
-static inline uint32_t utf16_surrogate_pair_to_unichar(uint16_t lead, uint16_t trail) {
+static inline char32_t utf16_surrogate_pair_to_unichar(char16_t lead, char16_t trail) {
return ((lead - 0xd800) << 10) + (trail - 0xdc00) + 0x10000;
}