[21348] | 1 | #include <os2wrap.h>
|
---|
| 2 |
|
---|
| 3 | #include <uconv.h>
|
---|
| 4 | #include <stdlib.h>
|
---|
| 5 | #include <string.h>
|
---|
| 6 |
|
---|
| 7 | int cp2cp(char *cp1, char *cp2, char *src, char *dst, int len)
|
---|
| 8 | {
|
---|
| 9 | UconvObject ucSrc = 0;
|
---|
| 10 | UconvObject ucDst = 0;
|
---|
| 11 |
|
---|
| 12 | size_t uBytes;
|
---|
| 13 | size_t uUniChars;
|
---|
| 14 | size_t uSubs;
|
---|
| 15 |
|
---|
| 16 | UniChar* pUniBuf;
|
---|
| 17 | UniChar* pUniPtr;
|
---|
| 18 |
|
---|
| 19 | UniChar UniCP1[64];
|
---|
| 20 | UniChar UniCP2[64];
|
---|
| 21 |
|
---|
| 22 | char *pStr;
|
---|
| 23 |
|
---|
| 24 | int rc = 0;
|
---|
| 25 |
|
---|
| 26 | /* Check parameters */
|
---|
| 27 |
|
---|
| 28 | if(!cp1 || !cp2 || !src || !dst || len < 0)
|
---|
| 29 | return -1;
|
---|
| 30 |
|
---|
| 31 | USHORT selFS = RestoreOS2FS();
|
---|
| 32 |
|
---|
| 33 | /* Convert codepage names to UniChar */
|
---|
| 34 | rc = UniCreateUconvObject((UniChar *)L"", &ucSrc);
|
---|
| 35 |
|
---|
| 36 | if(rc)
|
---|
| 37 | {
|
---|
| 38 | SetFS(selFS);
|
---|
| 39 | return rc;
|
---|
| 40 |
|
---|
| 41 | }
|
---|
| 42 |
|
---|
| 43 | pStr = cp1;
|
---|
| 44 | uBytes = strlen(cp1)+1; /* convert including trailing 0 */
|
---|
| 45 | pUniPtr = UniCP1;
|
---|
| 46 | uUniChars = (sizeof(UniCP1)/sizeof(UniChar)) + 1;
|
---|
| 47 |
|
---|
| 48 | rc = UniUconvToUcs(ucSrc, (void **)&pStr, &uBytes, &pUniPtr, &uUniChars, &uSubs);
|
---|
| 49 |
|
---|
| 50 | if(rc)
|
---|
| 51 | {
|
---|
| 52 | UniFreeUconvObject(ucSrc);
|
---|
| 53 | SetFS(selFS);
|
---|
| 54 | return rc;
|
---|
| 55 | }
|
---|
| 56 |
|
---|
| 57 | pStr = cp2;
|
---|
| 58 | uBytes = strlen(cp2)+1; /* convert including trailing 0 */
|
---|
| 59 | pUniPtr = UniCP2;
|
---|
| 60 | uUniChars = (sizeof(UniCP2)/sizeof(UniChar)) + 1;
|
---|
| 61 |
|
---|
| 62 | rc = UniUconvToUcs(ucSrc, (void **)&pStr, &uBytes, &pUniPtr, &uUniChars, &uSubs);
|
---|
| 63 |
|
---|
| 64 | /* conversion object is no more required */
|
---|
| 65 |
|
---|
| 66 | UniFreeUconvObject(ucSrc);
|
---|
| 67 |
|
---|
| 68 | if(rc)
|
---|
| 69 | {
|
---|
| 70 | SetFS(selFS);
|
---|
| 71 | return rc;
|
---|
| 72 | }
|
---|
| 73 |
|
---|
| 74 | /* Codepages is prepared, create conversion objects */
|
---|
| 75 |
|
---|
| 76 | rc = UniCreateUconvObject(UniCP1, &ucSrc);
|
---|
| 77 |
|
---|
| 78 | if(rc)
|
---|
| 79 | {
|
---|
| 80 | SetFS(selFS);
|
---|
| 81 | return rc;
|
---|
| 82 | }
|
---|
| 83 |
|
---|
| 84 | rc = UniCreateUconvObject(UniCP2, &ucDst);
|
---|
| 85 |
|
---|
| 86 | if(rc)
|
---|
| 87 | {
|
---|
| 88 | UniFreeUconvObject(ucSrc);
|
---|
| 89 | SetFS(selFS);
|
---|
| 90 | return rc;
|
---|
| 91 | }
|
---|
| 92 |
|
---|
| 93 | /* Conversion objects are created, prepare buffers */
|
---|
| 94 |
|
---|
| 95 | pStr = src;
|
---|
| 96 | uBytes = len;
|
---|
| 97 | uUniChars = len;
|
---|
| 98 |
|
---|
| 99 | pUniBuf = (UniChar*) malloc(uUniChars * sizeof(UniChar));
|
---|
| 100 |
|
---|
| 101 | if(!pUniBuf)
|
---|
| 102 | {
|
---|
| 103 | UniFreeUconvObject(ucSrc);
|
---|
| 104 | UniFreeUconvObject(ucDst);
|
---|
| 105 | SetFS(selFS);
|
---|
| 106 | return -2;
|
---|
| 107 | }
|
---|
| 108 |
|
---|
| 109 | pUniPtr = pUniBuf;
|
---|
| 110 |
|
---|
| 111 | rc = UniUconvToUcs(ucSrc, (void **)&pStr, &uBytes, &pUniPtr, &uUniChars, &uSubs);
|
---|
| 112 |
|
---|
| 113 | if(rc)
|
---|
| 114 | {
|
---|
| 115 | UniFreeUconvObject(ucSrc);
|
---|
| 116 | UniFreeUconvObject(ucDst);
|
---|
| 117 | free(pUniBuf);
|
---|
| 118 | SetFS(selFS);
|
---|
| 119 | return rc;
|
---|
| 120 | }
|
---|
| 121 |
|
---|
| 122 | pStr = dst;
|
---|
| 123 | uBytes = len;
|
---|
| 124 | uUniChars = len;
|
---|
| 125 |
|
---|
| 126 | pUniPtr = pUniBuf;
|
---|
| 127 |
|
---|
| 128 | rc = UniUconvFromUcs(ucDst, &pUniPtr, &uUniChars, (void **)&pStr, &uBytes, &uSubs);
|
---|
| 129 |
|
---|
| 130 | UniFreeUconvObject(ucSrc);
|
---|
| 131 | UniFreeUconvObject(ucDst);
|
---|
| 132 | free(pUniBuf);
|
---|
| 133 |
|
---|
| 134 | SetFS(selFS);
|
---|
| 135 | return rc;
|
---|
| 136 | }
|
---|
| 137 |
|
---|