greenplumn win1251 源码
greenplumn win1251 代码
文件路径：/src/backend/utils/mb/win1251.c
/*
* make KOI8->CP1251(win-1251) and CP1251(win-1251)->KOI8 translation table
* from koi-win.tab.
*
* Tatsuo Ishii
*
* src/backend/utils/mb/win1251.c
*/
#include <stdio.h>
main()
{
int i;
char koitab[128],
wintab[128];
char buf[4096];
int koi,
win;
for (i = 0; i < 128; i++)
koitab[i] = wintab[i] = 0;
while (fgets(buf, sizeof(buf), stdin) != NULL)
{
if (*buf == '#')
continue;
sscanf(buf, "%d %d", &koi, &win);
if (koi < 128 || koi > 255 || win < 128 || win > 255)
{
fprintf(stderr, "invalid value %d\n", koi);
exit(1);
}
koitab[koi - 128] = win;
wintab[win - 128] = koi;
}
i = 0;
printf("static char koi2win[] = {\n");
while (i < 128)
{
int j = 0;
while (j < 8)
{
printf("0x%02x", koitab[i++]);
j++;
if (i >= 128)
break;
printf(", ");
}
printf("\n");
}
printf("};\n");
i = 0;
printf("static char win2koi[] = {\n");
while (i < 128)
{
int j = 0;
while (j < 8)
{
printf("0x%02x", wintab[i++]);
j++;
if (i >= 128)
break;
printf(", ");
}
printf("\n");
}
printf("};\n");
}
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