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-rw-r--r--src/u8c/u8.h.d/u8alloc.c14
-rw-r--r--src/u8c/u8.h.d/u8dec.c41
-rw-r--r--src/u8c/u8.h.d/u8enc.c50
-rw-r--r--src/u8c/u8.h.d/u8free.c10
4 files changed, 64 insertions, 51 deletions
diff --git a/src/u8c/u8.h.d/u8alloc.c b/src/u8c/u8.h.d/u8alloc.c
index ba02bc8..ba28243 100644
--- a/src/u8c/u8.h.d/u8alloc.c
+++ b/src/u8c/u8.h.d/u8alloc.c
@@ -17,12 +17,16 @@
# include <stdlib.h>
# include <u8c/err.h>
# include <u8c/u8.h>
-bool u8c_u8alloc(unsigned char * * const _u8,size_t const _sz) {
+struct u8c_u8alloc_tuple u8c_u8alloc(size_t const _sz) {
+ struct u8c_u8alloc_tuple ret = {
+ .stat = false,
+ };
unsigned char * arr = NULL;
if((arr = calloc(sizeof *arr,_sz)) == NULL) {
- u8c_seterr(U"u8c_u8alloc: Unable to allocate resources (not enough memory?).",u8c_errtyp_badalloc);
- return false;
+ u8c_seterr(u8c_errtyp_badalloc,U"u8c_u8alloc: Unable to allocate resources (not enough memory?).");
+ ret.stat = true;
+ return ret;
}
- *_u8 = arr;
- return false;
+ ret.u8 = arr;
+ return ret;
}
diff --git a/src/u8c/u8.h.d/u8dec.c b/src/u8c/u8.h.d/u8dec.c
index 365c81a..4cba14f 100644
--- a/src/u8c/u8.h.d/u8dec.c
+++ b/src/u8c/u8.h.d/u8dec.c
@@ -19,23 +19,24 @@
# include <stdint.h>
# include <u8c/SIZE_C.h>
# include <u8c/err.h>
-# include <u8c/u32.h>
+# include <u8c/str.h>
# include <u8c/u8.h>
# include <uchar.h>
-bool u8c_u8dec(size_t * const _sz,char32_t const * * const _out,unsigned char const * const _in) {
- assert(_out != NULL);
- assert(_in != NULL);
- register size_t insz = SIZE_C(0x0);
- register size_t outsz = SIZE_C(0x1);
- for(register size_t n = SIZE_C(0x0);n <= SIZE_MAX;outsz += SIZE_C(0x1)) { /* First pass: get size of input array and determine size of output array. */
+struct u8c_u8dec_tuple u8c_u8dec(unsigned char const * const restrict _in) {
+ struct u8c_u8dec_tuple ret = {
+ .stat = false,
+ };
+ register size_t insz = SIZE_C(0x0);
+ for(register size_t n = SIZE_C(0x0);n <= SIZE_MAX;ret.strsz += SIZE_C(0x1)) { /* First pass: get size of input array and determine size of output array. */
register unsigned char const tmp = _in[n];
if(tmp == UINT8_C(0x0)) { /* Null-terminator: end of string has been reached. */
insz = n;
goto nottoobig;
}
if(tmp >= UINT8_C(0b11111000)) { /* Too big. */
- u8c_seterr(U"u8c_u8dec: Character out of range (too big).",u8c_errtyp_u8oor);
- return true;
+ u8c_seterr(u8c_errtyp_u8oor,U"u8c_u8dec: Character out of range (too big).");
+ ret.stat = true;
+ return ret;
}
if(tmp >= UINT8_C(0b11110000)) { /* Four byte. */
n += SIZE_C(0x4);
@@ -53,15 +54,18 @@ bool u8c_u8dec(size_t * const _sz,char32_t const * * const _out,unsigned char co
n += SIZE_C(0x1);
}
/* Input is not null-terminated. */
- u8c_seterr(U"u8c_u8dec: Unterminated input.",u8c_errtyp_untermin);
- return true;
+ u8c_seterr(u8c_errtyp_untermin,U"u8c_u8dec: Unterminated input.");
+ ret.stat = true;
+ return ret;
nottoobig:;
- if(_sz != NULL) {
- *_sz = outsz;
- }
uint_least32_t * out = NULL;
- if(u8c_u32alloc(&out,outsz + SIZE_C(0x1))) {
- return false;
+ {
+ struct u8c_stralloc_tuple const tuple = u8c_stralloc(ret.strsz + SIZE_C(0x1));
+ if(tuple.stat) {
+ ret.stat = true;
+ return ret;
+ }
+ out = tuple.str;
}
for(register size_t n = SIZE_C(0x0),outn = SIZE_C(0x0);n < insz;outn += SIZE_C(0x1)) { /* Second pass: decode UTF-8. */
if(_in[n] >= UINT8_C(0b11110000)) { /* Four bytes. */
@@ -99,7 +103,6 @@ nottoobig:;
n += SIZE_C(0x1);
continue;
}
- u8c_u32free(_out);
- *_out = out;
- return false;
+ ret.str = out;
+ return ret;
}
diff --git a/src/u8c/u8.h.d/u8enc.c b/src/u8c/u8.h.d/u8enc.c
index f3f3570..2ac0007 100644
--- a/src/u8c/u8.h.d/u8enc.c
+++ b/src/u8c/u8.h.d/u8enc.c
@@ -19,48 +19,53 @@
# include <stdint.h>
# include <u8c/SIZE_C.h>
# include <u8c/err.h>
-# include <u8c/u32.h>
+# include <u8c/main.h>
+# include <u8c/str.h>
# include <u8c/u8.h>
# include <uchar.h>
-bool u8c_u8enc(size_t * const _sz,unsigned char const * * const _out,char32_t const * const _in) {
- assert(_out != NULL);
- assert(_in != NULL);
- size_t insz = SIZE_C(0x0); /* Size of input array (bytes). */
- size_t outsz = SIZE_C(0x0); /* Size of output array /bytes). */
+struct u8c_u8enc_tuple u8c_u8enc(char32_t const * const restrict _in) {
+ struct u8c_u8enc_tuple ret = {
+ .stat = false,
+ };
+ size_t insz = SIZE_C(0x0); /* Size of input array (bytes). */
for(register size_t n = SIZE_C(0x0);n <= SIZE_MAX;n += SIZE_C(0x1)) { /* First pass: get size of input array, and determine size of output array. */
register char32_t const tmp = _in[n];
- if(tmp > u8c_u32max) { /* Codepoint out of range. */
- u8c_seterr(U"u8c_u8enc: Codepoint out of range (too big).",u8c_errtyp_u32oor);
- return true;
+ if(tmp > u8c_unimax) { /* Codepoint out of range. */
+ u8c_seterr(u8c_errtyp_stroor,U"u8c_u8enc: Codepoint out of range (too big).");
+ ret.stat = true;
+ return ret;
}
if(tmp >= UINT32_C(0x10000)) { /* 4 bytes. */
- outsz += SIZE_C(0x4);
+ ret.u8sz += SIZE_C(0x4);
continue;
}
if(tmp >= UINT32_C(0x800)) { /* 3 bytes. */
- outsz += SIZE_C(0x3);
+ ret.u8sz += SIZE_C(0x3);
continue;
}
if(tmp >= UINT32_C(0x80)) { /* 2 bytes. */
- outsz += SIZE_C(0x2);
+ ret.u8sz += SIZE_C(0x2);
continue;
}
/* 1 byte. */
- outsz += SIZE_C(0x1);
+ ret.u8sz += SIZE_C(0x1);
if(tmp == UINT32_C(0x0)) {
insz = n + SIZE_C(0x1);
goto nottoobig;
}
}
- u8c_seterr(U"u8c_u8enc: Unterminated input.",u8c_errtyp_untermin);
- return true;
+ u8c_seterr(u8c_errtyp_untermin,U"u8c_u8enc: Unterminated input.");
+ ret.stat = true;
+ return ret;
nottoobig:;
- if(_sz != NULL) {
- *_sz = outsz;
- }
unsigned char * out = NULL;
- if(u8c_u8alloc(&out,outsz + SIZE_C(0x1))) {
- return true;
+ {
+ struct u8c_u8alloc_tuple const tuple = u8c_u8alloc(ret.u8sz + SIZE_C(0x1));
+ if(tuple.stat) {
+ ret.stat = true;
+ return ret;
+ }
+ out = tuple.u8;
}
for(register size_t n = SIZE_C(0x0), outn = SIZE_C(0x0);n < insz;n += SIZE_C(0x1),outn += SIZE_C(0x1)) { /* Second pass: encode each codepoint into UTF-8. */
register char32_t const tmp = _in[n];
@@ -91,7 +96,6 @@ nottoobig:;
/* One byte. */
out[outn] = (uint_least8_t)tmp;
}
- u8c_u8free(_out);
- *_out = out;
- return false;
+ ret.u8 = out;
+ return ret;
}
diff --git a/src/u8c/u8.h.d/u8free.c b/src/u8c/u8.h.d/u8free.c
index af5a6bd..a0b61a8 100644
--- a/src/u8c/u8.h.d/u8free.c
+++ b/src/u8c/u8.h.d/u8free.c
@@ -17,8 +17,10 @@
# include <stdint.h>
# include <stdlib.h>
# include <u8c/u8.h>
-bool u8c_u8free(unsigned char const * * const _u8) {
- free((unsigned char *)*_u8);
- *_u8 = NULL;
- return false;
+struct u8c_u8free_tuple u8c_u8free(unsigned char const * const restrict _u8) {
+ struct u8c_u8free_tuple ret = {
+ .stat = false,
+ };
+ free((unsigned char *)_u8);
+ return ret;
}