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Merge pull request #108 from kichikuou/msgskip

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Use System4-compatible MsgSkip file format
This commit is contained in:
Nunuhara Cabbage
2023-03-25 23:20:02 -07:00
committed by GitHub
parent 32ef29ee20 50af8bd3ff
commit 1be2cffd22
1 changed files with 32 additions and 20 deletions
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src/hll/MsgSkip.c
+32 -20
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@@ -25,6 +25,7 @@
#include "system4/string.h"
#include "system4/utfsjis.h"
#include "little_endian.h"
#include "vm.h"
#include "xsystem4.h"
@@ -43,38 +44,49 @@ static void msgskip_save(void)
if (!f)
ERROR("fopen: '%s': %s", display_utf0(save_path), strerror(errno));
fwrite(flags, nr_flags, 1, f);
uint8_t header[4];
LittleEndian_putDW(header, 0, nr_flags);
fwrite(header, sizeof(header), 1, f);
fwrite(flags, (nr_flags + 7) / 8, 1, f);
fclose(f);
free(flags);
}
static bool msgskip_initialized = false;
static int MsgSkip_Init(struct string *name)
{
if (msgskip_initialized)
if (flags)
return 1;
nr_flags = ain->nr_messages;
flags = xcalloc((nr_flags + 7) / 8, 1);
save_path = unix_path(name->text);
uint8_t *data;
size_t data_size;
if (file_exists(save_path)) {
data = file_read(save_path, &data_size);
} else {
data = xcalloc(ain->nr_messages, 1);
data_size = ain->nr_messages;
}
if (data_size != (size_t)ain->nr_messages) {
WARNING("Incorrect file size for MsgSkip file '%s'", display_utf0(save_path));
if (data_size < (size_t)ain->nr_messages) {
data = xrealloc_array(data, data_size, ain->nr_messages, 1);
uint8_t *data = file_read(save_path, &data_size);
if (data) {
if (data_size == (size_t)ain->nr_messages) {
// Migrate from the old format.
for (int i = 0; i < data_size; i++) {
if (data[i])
flags[i >> 3] |= 0x80 >> (i & 7);
}
} else {
int n = LittleEndian_getDW(data, 0);
if ((n + 7) / 8 != data_size - 4) {
WARNING("Corrupted MsgSkip file '%s'", display_utf0(save_path));
} else if (n != nr_flags) {
WARNING("Incorrect size for MsgSkip file '%s'", display_utf0(save_path));
if (n > nr_flags)
n = nr_flags;
memcpy(flags, data + 4, (n + 7) / 8);
} else {
memcpy(flags, data + 4, (nr_flags + 7) / 8);
}
}
free(data);
}
flags = data;
nr_flags = ain->nr_messages;
atexit(msgskip_save);
msgskip_initialized = true;
return 1;
}
@@ -82,14 +94,14 @@ static void MsgSkip_SetFlag(int msgnum)
{
if (msgnum < 0 || msgnum >= nr_flags)
return;
flags[msgnum] = 1;
flags[msgnum >> 3] |= 0x80 >> (msgnum & 7);
}
static int MsgSkip_GetFlag(int msgnum)
{
if (msgnum < 0 || msgnum >= nr_flags)
return 0;
return !!flags[msgnum];
return !!(flags[msgnum >> 3] & 0x80 >> (msgnum & 7));
}
static void MsgSkip_SetEnable(int enable)