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-rw-r--r--util-src/encodings.c77
1 files changed, 43 insertions, 34 deletions
diff --git a/util-src/encodings.c b/util-src/encodings.c
index 4d6ac437..a633d7fa 100644
--- a/util-src/encodings.c
+++ b/util-src/encodings.c
@@ -30,7 +30,7 @@
static const char code[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-static void base64_encode(luaL_Buffer* b, unsigned int c1, unsigned int c2, unsigned int c3, int n) {
+static void base64_encode(luaL_Buffer *b, unsigned int c1, unsigned int c2, unsigned int c3, int n) {
unsigned long tuple = c3 + 256UL * (c2 + 256UL * c1);
int i;
char s[4];
@@ -47,9 +47,9 @@ static void base64_encode(luaL_Buffer* b, unsigned int c1, unsigned int c2, unsi
luaL_addlstring(b, s, 4);
}
-static int Lbase64_encode(lua_State* L) { /** encode(s) */
+static int Lbase64_encode(lua_State *L) { /** encode(s) */
size_t l;
- const unsigned char* s = (const unsigned char*)luaL_checklstring(L, 1, &l);
+ const unsigned char *s = (const unsigned char *)luaL_checklstring(L, 1, &l);
luaL_Buffer b;
int n;
luaL_buffinit(L, &b);
@@ -62,6 +62,7 @@ static int Lbase64_encode(lua_State* L) { /** encode(s) */
case 1:
base64_encode(&b, s[0], 0, 0, 1);
break;
+
case 2:
base64_encode(&b, s[0], s[1], 0, 2);
break;
@@ -71,15 +72,17 @@ static int Lbase64_encode(lua_State* L) { /** encode(s) */
return 1;
}
-static void base64_decode(luaL_Buffer* b, int c1, int c2, int c3, int c4, int n) {
+static void base64_decode(luaL_Buffer *b, int c1, int c2, int c3, int c4, int n) {
unsigned long tuple = c4 + 64L * (c3 + 64L * (c2 + 64L * c1));
char s[3];
switch(--n) {
case 3:
s[2] = (char) tuple;
+
case 2:
s[1] = (char)(tuple >> 8);
+
case 1:
s[0] = (char)(tuple >> 16);
}
@@ -87,9 +90,9 @@ static void base64_decode(luaL_Buffer* b, int c1, int c2, int c3, int c4, int n)
luaL_addlstring(b, s, n);
}
-static int Lbase64_decode(lua_State* L) { /** decode(s) */
+static int Lbase64_decode(lua_State *L) { /** decode(s) */
size_t l;
- const char* s = luaL_checklstring(L, 1, &l);
+ const char *s = luaL_checklstring(L, 1, &l);
luaL_Buffer b;
int n = 0;
char t[4];
@@ -99,7 +102,8 @@ static int Lbase64_decode(lua_State* L) { /** decode(s) */
int c = *s++;
switch(c) {
- const char* p;
+ const char *p;
+
default:
p = strchr(code, c);
@@ -115,15 +119,18 @@ static int Lbase64_decode(lua_State* L) { /** decode(s) */
}
break;
+
case '=':
switch(n) {
case 1:
base64_decode(&b, t[0], 0, 0, 0, 1);
break;
+
case 2:
base64_decode(&b, t[0], t[1], 0, 0, 2);
break;
+
case 3:
base64_decode(&b, t[0], t[1], t[2], 0, 3);
break;
@@ -131,9 +138,11 @@ static int Lbase64_decode(lua_State* L) { /** decode(s) */
n = 0;
break;
+
case 0:
luaL_pushresult(&b);
return 1;
+
case '\n':
case '\r':
case '\t':
@@ -163,9 +172,9 @@ static const luaL_Reg Reg_base64[] = {
/*
* Decode one UTF-8 sequence, returning NULL if byte sequence is invalid.
*/
-static const char* utf8_decode(const char* o, int* val) {
+static const char *utf8_decode(const char *o, int *val) {
static unsigned int limits[] = {0xFF, 0x7F, 0x7FF, 0xFFFF};
- const unsigned char* s = (const unsigned char*)o;
+ const unsigned char *s = (const unsigned char *)o;
unsigned int c = s[0];
unsigned int res = 0; /* final result */
@@ -198,20 +207,20 @@ static const char* utf8_decode(const char* o, int* val) {
*val = res;
}
- return (const char*)s + 1; /* +1 to include first byte */
+ return (const char *)s + 1; /* +1 to include first byte */
}
/*
* Check that a string is valid UTF-8
* Returns NULL if not
*/
-const char* check_utf8(lua_State* L, int idx, size_t* l) {
+const char *check_utf8(lua_State *L, int idx, size_t *l) {
size_t pos, len;
- const char* s = luaL_checklstring(L, 1, &len);
+ const char *s = luaL_checklstring(L, 1, &len);
pos = 0;
while(pos <= len) {
- const char* s1 = utf8_decode(s + pos, NULL);
+ const char *s1 = utf8_decode(s + pos, NULL);
if(s1 == NULL) { /* conversion error? */
return NULL;
@@ -227,12 +236,12 @@ const char* check_utf8(lua_State* L, int idx, size_t* l) {
return s;
}
-static int Lutf8_valid(lua_State* L) {
+static int Lutf8_valid(lua_State *L) {
lua_pushboolean(L, check_utf8(L, 1, NULL) != NULL);
return 1;
}
-static int Lutf8_length(lua_State* L) {
+static int Lutf8_length(lua_State *L) {
size_t len;
if(!check_utf8(L, 1, &len)) {
@@ -258,10 +267,10 @@ static const luaL_Reg Reg_utf8[] = {
#include <unicode/ustring.h>
#include <unicode/utrace.h>
-static int icu_stringprep_prep(lua_State* L, const UStringPrepProfile* profile) {
+static int icu_stringprep_prep(lua_State *L, const UStringPrepProfile *profile) {
size_t input_len;
int32_t unprepped_len, prepped_len, output_len;
- const char* input;
+ const char *input;
char output[1024];
UChar unprepped[1024]; /* Temporary unicode buffer (1024 characters) */
@@ -306,10 +315,10 @@ static int icu_stringprep_prep(lua_State* L, const UStringPrepProfile* profile)
}
}
-UStringPrepProfile* icu_nameprep;
-UStringPrepProfile* icu_nodeprep;
-UStringPrepProfile* icu_resourceprep;
-UStringPrepProfile* icu_saslprep;
+UStringPrepProfile *icu_nameprep;
+UStringPrepProfile *icu_nodeprep;
+UStringPrepProfile *icu_resourceprep;
+UStringPrepProfile *icu_saslprep;
/* initialize global ICU stringprep profiles */
void init_icu() {
@@ -346,9 +355,9 @@ static const luaL_Reg Reg_stringprep[] = {
#include <stringprep.h>
-static int stringprep_prep(lua_State* L, const Stringprep_profile* profile) {
+static int stringprep_prep(lua_State *L, const Stringprep_profile *profile) {
size_t len;
- const char* s;
+ const char *s;
char string[1024];
int ret;
@@ -398,10 +407,10 @@ static const luaL_Reg Reg_stringprep[] = {
#include <unicode/ustdio.h>
#include <unicode/uidna.h>
/* IDNA2003 or IDNA2008 ? ? ? */
-static int Lidna_to_ascii(lua_State* L) { /** idna.to_ascii(s) */
+static int Lidna_to_ascii(lua_State *L) { /** idna.to_ascii(s) */
size_t len;
int32_t ulen, dest_len, output_len;
- const char* s = luaL_checklstring(L, 1, &len);
+ const char *s = luaL_checklstring(L, 1, &len);
UChar ustr[1024];
UErrorCode err = U_ZERO_ERROR;
UChar dest[1024];
@@ -432,10 +441,10 @@ static int Lidna_to_ascii(lua_State* L) { /** idna.to_ascii(s) */
}
}
-static int Lidna_to_unicode(lua_State* L) { /** idna.to_unicode(s) */
+static int Lidna_to_unicode(lua_State *L) { /** idna.to_unicode(s) */
size_t len;
int32_t ulen, dest_len, output_len;
- const char* s = luaL_checklstring(L, 1, &len);
+ const char *s = luaL_checklstring(L, 1, &len);
UChar ustr[1024];
UErrorCode err = U_ZERO_ERROR;
UChar dest[1024];
@@ -472,10 +481,10 @@ static int Lidna_to_unicode(lua_State* L) { /** idna.to_unicode(s) */
#include <idna.h>
#include <idn-free.h>
-static int Lidna_to_ascii(lua_State* L) { /** idna.to_ascii(s) */
+static int Lidna_to_ascii(lua_State *L) { /** idna.to_ascii(s) */
size_t len;
- const char* s = check_utf8(L, 1, &len);
- char* output = NULL;
+ const char *s = check_utf8(L, 1, &len);
+ char *output = NULL;
int ret;
if(s == NULL || len != strlen(s)) {
@@ -496,10 +505,10 @@ static int Lidna_to_ascii(lua_State* L) { /** idna.to_ascii(s) */
}
}
-static int Lidna_to_unicode(lua_State* L) { /** idna.to_unicode(s) */
+static int Lidna_to_unicode(lua_State *L) { /** idna.to_unicode(s) */
size_t len;
- const char* s = luaL_checklstring(L, 1, &len);
- char* output = NULL;
+ const char *s = luaL_checklstring(L, 1, &len);
+ char *output = NULL;
int ret = idna_to_unicode_8z8z(s, &output, 0);
if(ret == IDNA_SUCCESS) {
@@ -522,7 +531,7 @@ static const luaL_Reg Reg_idna[] = {
/***************** end *****************/
-LUALIB_API int luaopen_util_encodings(lua_State* L) {
+LUALIB_API int luaopen_util_encodings(lua_State *L) {
#if (LUA_VERSION_NUM > 501)
luaL_checkversion(L);
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 23:46:09 +0000