| 1 | // special iconv for smbd
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| 2 |
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| 3 | //#include <os2emx.h>
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| 4 | #include <uconv.h>
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| 5 |
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| 6 | typedef struct _iconv_t
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| 7 | {
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| 8 | int way; // 0 - to ucs, 1 - from ucs
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| 9 | UniChar ucp[20];
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| 10 | } *iconv_t;
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| 11 |
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| 12 | /* Tell "iconv.h" to not define iconv_t by itself. */
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| 13 | #define _ICONV_T
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| 14 |
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| 15 | #include "includes.h"
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| 16 |
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| 17 | /* Convert an encoding name to te form understood by UniCreateUconvObject. */
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| 18 | static void __convert_codepage (const char *cp, UniChar *ucp)
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| 19 | {
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| 20 | size_t sl = 0;
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| 21 |
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| 22 | if (!stricmp (cp, "SYSTEM"))
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| 23 | return;
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| 24 | else if (!stricmp (cp, "EUC-JP"))
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| 25 | memcpy (ucp, L"IBM-954", 8*2);
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| 26 | else if (!stricmp (cp, "EUC-KR"))
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| 27 | memcpy (ucp, L"IBM-970", 8*2);
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| 28 | else if (!stricmp (cp, "EUC-TW"))
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| 29 | memcpy (ucp, L"IBM-964", 8*2);
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| 30 | else if (!stricmp (cp, "EUC-CN"))
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| 31 | memcpy (ucp, L"IBM-1383", 9*2);
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| 32 | else if (!stricmp (cp, "BIG5"))
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| 33 | memcpy (ucp, L"IBM-950", 8*2);
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| 34 | else if (!stricmp (cp, "UCS-2LE"))
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| 35 | memcpy (ucp, L"IBM-1200", 9*2);
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| 36 | else
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| 37 | {
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| 38 | /* Transform CPXXX naming style to IBM-XXX style */
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| 39 | if ((cp[0] == 'C' || cp[0] == 'c') && (cp[1] == 'P' || cp[1] == 'p'))
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| 40 | {
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| 41 | ucp[sl++] = 'I';
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| 42 | ucp[sl++] = 'B';
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| 43 | ucp[sl++] = 'M';
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| 44 | ucp[sl++] = '-';
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| 45 | cp += 2;
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| 46 | }
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| 47 |
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| 48 | while (*cp != '\0')
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| 49 | ucp[sl++] = *cp++;
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| 50 | ucp[sl] = 0;
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| 51 | }
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| 52 | }
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| 53 |
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| 54 | iconv_t
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| 55 | iconv_open (const char *cp_to, const char *cp_from)
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| 56 | {
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| 57 | UniChar *ucp;
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| 58 | char * cp;
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| 59 | iconv_t conv;
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| 60 | uconv_attribute_t attr;
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| 61 | UconvObject uo;
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| 62 |
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| 63 | if (!cp_to || !cp_from)
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| 64 | {
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| 65 | errno = EINVAL;
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| 66 | return (iconv_t)(-1);
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| 67 | }
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| 68 |
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| 69 | conv = (iconv_t)calloc(sizeof (struct _iconv_t), 1);
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| 70 | if (conv == NULL)
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| 71 | {
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| 72 | errno = ENOMEM;
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| 73 | return (iconv_t)(-1);
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| 74 | }
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| 75 |
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| 76 | if (!stricmp (cp_to, "UCS-2LE"))
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| 77 | {
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| 78 | cp = (char *)cp_from;
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| 79 | conv->way = 0;
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| 80 | } else
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| 81 | if (!stricmp (cp_from, "UCS-2LE"))
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| 82 | {
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| 83 | cp = (char *)cp_to;
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| 84 | conv->way = 1;
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| 85 | } else
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| 86 | {
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| 87 | // samba never calls so
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| 88 | errno = EINVAL;
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| 89 | return (iconv_t)(-1);
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| 90 | }
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| 91 | __convert_codepage(cp, conv->ucp);
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| 92 | if (UniCreateUconvObject(conv->ucp, &uo))
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| 93 | {
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| 94 | free (conv);
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| 95 | errno = EINVAL;
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| 96 | return (iconv_t)(-1);
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| 97 | }
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| 98 | UniFreeUconvObject(uo);
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| 99 |
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| 100 | return conv;
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| 101 | }
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| 102 |
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| 103 | size_t
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| 104 | iconv (iconv_t conv,
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| 105 | char **in, size_t *in_left,
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| 106 | char **out, size_t *out_left)
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| 107 | {
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| 108 | int rc;
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| 109 | size_t sl;
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| 110 | size_t retval = 0;
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| 111 | UconvObject uo;
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| 112 |
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| 113 | /* The caller wishes to reset iconv state by calling
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| 114 | iconv(conv, NULL, NULL, NULL, NULL). We should handle it */
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| 115 | if (!in || !in_left || !out || !out_left)
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| 116 | {
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| 117 | return 0;
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| 118 | }
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| 119 | if (UniCreateUconvObject(conv->ucp, &uo))
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| 120 | {
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| 121 | errno = EINVAL;
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| 122 | return (size_t)(-1);
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| 123 | }
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| 124 |
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| 125 | if (conv->way)
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| 126 | {
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| 127 | sl = (*in_left) >> 1;
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| 128 | rc = UniUconvFromUcs (uo, (UniChar **)in, &sl, (void **)out, out_left, &retval);
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| 129 | *in_left = sl << 1;
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| 130 | }
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| 131 | else
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| 132 | {
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| 133 | sl = (*out_left) >> 1;
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| 134 | rc = UniUconvToUcs (uo, (void **)in, in_left, (UniChar **)out, &sl, &retval);
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| 135 | *out_left = sl << 1;
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| 136 | }
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| 137 |
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| 138 | UniFreeUconvObject(uo);
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| 139 | if (!rc)
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| 140 | {
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| 141 | return retval;
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| 142 | }
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| 143 | switch (rc)
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| 144 | {
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| 145 | case ULS_ILLEGALSEQUENCE:
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| 146 | errno = ESPIPE;
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| 147 | break;
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| 148 | case ULS_INVALID:
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| 149 | errno = EINVAL;
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| 150 | break;
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| 151 | case ULS_BUFFERFULL:
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| 152 | errno = E2BIG;
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| 153 | break;
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| 154 | default:
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| 155 | errno = EBADF;
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| 156 | break;
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| 157 | }
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| 158 | return (size_t)(-1);
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| 159 | }
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| 160 |
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| 161 | int
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| 162 | iconv_close (iconv_t conv)
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| 163 | {
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| 164 | if (conv && conv != (iconv_t)(-1))
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| 165 | {
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| 166 | free (conv);
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| 167 | }
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| 168 | return 0;
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| 169 | }
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