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sh: that decoder is in a header...

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This commit is contained in:
K. Lange 2022-08-22 08:44:45 +09:00
parent abe66fb45b
commit 603a07a868
1 changed files with 1 additions and 40 deletions
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41
apps/sh.c
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@ -40,6 +40,7 @@
#include <toaru/hashmap.h>
#include <toaru/kbd.h>
#include <toaru/rline.h>
#include <toaru/decodeutf8.h>
#ifndef environ
extern char **environ;
@ -175,46 +176,6 @@ void gethost() {
memcpy(_hostname, buf.nodename, len+1);
}
#define UTF8_ACCEPT 0
#define UTF8_REJECT 1
static inline uint32_t decode(uint32_t* state, uint32_t* codep, uint32_t byte) {
static int state_table[32] = {
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xxxxxxx */
1,1,1,1,1,1,1,1, /* 10xxxxxx */
2,2,2,2, /* 110xxxxx */
3,3, /* 1110xxxx */
4, /* 11110xxx */
1 /* 11111xxx */
};
static int mask_bytes[32] = {
0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x1F,0x1F,0x1F,0x1F,
0x0F,0x0F,
0x07,
0x00
};
static int next[5] = {
0,
1,
0,
2,
3
};
if (*state == UTF8_ACCEPT) {
*codep = byte & mask_bytes[byte >> 3];
*state = state_table[byte >> 3];
} else if (*state > 0) {
*codep = (byte & 0x3F) | (*codep << 6);
*state = next[*state];
}
return *state;
}
int display_width_of_string(const char * str) {
uint8_t * s = (uint8_t *)str;