mirror of
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87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <gctypes.h>
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#include "../config.h"
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struct mo_entry {
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u32 length;
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u32 offset;
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} __attribute__((packed));
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struct mo_hdr {
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u32 magic;
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u32 revision;
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u32 count;
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struct mo_entry *source;
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struct mo_entry *target;
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u32 hash_size;
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void *hashes;
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} __attribute__((packed));
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static struct mo_hdr mo;
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static int mo_inited = false;
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static const char *mo_data = NULL;
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#define MAGIC_SWAB 0xde120495
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#define MAGIC 0x950412de
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#define SWAB16(x) ((((x)>>8)&0xFF) | (((x)&0xFF)<<8))
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#define SWAB32(x) ((SWAB16((x)&0xFFFF)<<16)|(SWAB16(((x)>>16)&0xFFFF)))
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#define ENDIAN(x) ((mo.magic == MAGIC_SWAB) ? SWAB32(x) : (x))
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void i18n_set_mo(const void *mo_file) {
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mo_inited = true;
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if(!mo_file) {
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mo_data = NULL;
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gprintf("i18n: unset mo file\n");
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return;
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}
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memcpy(&mo, mo_file, sizeof(struct mo_hdr));
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if(mo.magic == MAGIC_SWAB) {
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mo.revision = SWAB32(mo.revision);
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mo.count = SWAB32(mo.count);
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mo.source = (struct mo_entry*)SWAB32((u32)mo.source);
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mo.target = (struct mo_entry*)SWAB32((u32)mo.target);
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mo.hash_size = SWAB32(mo.hash_size);
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mo.hashes = (void*)SWAB32((u32)mo.magic);
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} else if(mo.magic != MAGIC) {
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gprintf("i18n: bad mo file magic 0x%08lx\n",mo.magic);
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return;
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}
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if(mo.revision != 0)
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gprintf("i18n: bad mo file revision 0x%08lx\n",mo.revision);
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mo_data = (char*)mo_file;
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mo.source = (struct mo_entry*)(mo_data + (u32)mo.source);
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gprintf("i18n: configured mo file at %p\n",mo_data);
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mo.target = (struct mo_entry*)(mo_data + (u32)mo.target);
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}
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const char *i18n(char *english_string) {
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int i;
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if(!mo_inited)
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gprintf("i18n: warning: attempted to translate '%s' before init\n", english_string);
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if(!mo_data)
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return english_string;
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for(i = 0; i < mo.count; i++) {
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if(!strcmp(english_string, &mo_data[ENDIAN(mo.source[i].offset)]))
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return &mo_data[ENDIAN(mo.target[i].offset)];
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}
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gprintf("i18n: could not find string for %s\n", english_string);
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return english_string;
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}
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u32 i18n_have_mo(void) {
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return mo_data ? 1 : 0;
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}
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