Added chartran code
This commit is contained in:
Michiel Broek
parent
18bf084a6c
commit
c142fa2c40
383
lib/charset.c
383
lib/charset.c
@ -32,6 +32,13 @@
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#include "mbselib.h"
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#include "mbselib.h"
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int use_tran1 = FALSE; /* Translate stage 1 active */
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int use_tran2 = FALSE; /* Translate stage 2 active */
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iconv_t cd1; /* Conversion descriptor 1 */
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iconv_t cd2; /* Conversion descriptor 2 */
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/*
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/*
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* Search table for CHRS: kludge to the current name.
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* Search table for CHRS: kludge to the current name.
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* This table may include obsolete names (and we need
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* This table may include obsolete names (and we need
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@ -81,36 +88,12 @@ struct _charmap charmap[] = {
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{FTNC_LATIN_9,(char *)"LATIN-9 2",(char *)"iso-8859-15",(char *)"LATIN-9", (char *)"ISO-8859-15",(char *)"en_US", (char *)"ISO 8859-1 (Western European EURO)"},
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{FTNC_LATIN_9,(char *)"LATIN-9 2",(char *)"iso-8859-15",(char *)"LATIN-9", (char *)"ISO-8859-15",(char *)"en_US", (char *)"ISO 8859-1 (Western European EURO)"},
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{FTNC_KOI8_R, (char *)"KOI8-R 2", (char *)"koi8-r", (char *)"KOI8-R", (char *)"KOI8-R", (char *)"ru_RUi.koi8r",(char *)"Unix codepage KOI8-R (Russian)"},
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{FTNC_KOI8_R, (char *)"KOI8-R 2", (char *)"koi8-r", (char *)"KOI8-R", (char *)"KOI8-R", (char *)"ru_RUi.koi8r",(char *)"Unix codepage KOI8-R (Russian)"},
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{FTNC_CP936, (char *)"CP936 2", (char *)"hz-gb-2312", (char *)"GB2312", (char *)"GB2312", (char *)"zh_CN.gbk", (char *)"IBM codepage 936 (Chinese, GBK)"},
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{FTNC_CP936, (char *)"CP936 2", (char *)"hz-gb-2312", (char *)"GB2312", (char *)"GB2312", (char *)"zh_CN.gbk", (char *)"IBM codepage 936 (Chinese, GBK)"},
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{FTNC_UTF8, (char *)"UTF-8 4", (char *)"utf-8", (char *)"UTF-8", (char *)"UTF-8", (char *)"en_US.UTF-8", (char *)"Unicode UTF-8 (ISO/IEC 10646)"},
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{FTNC_ERROR, NULL, NULL, NULL, NULL, NULL, (char *)"ERROR"}
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{FTNC_ERROR, NULL, NULL, NULL, NULL, NULL, (char *)"ERROR"}
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};
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};
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#ifndef USE_EXPERIMENT
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#define BUF_APPEND(d,s) str_append(d,sizeof(d),s)
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/*
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* Alias linked list
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*/
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static CharsetAlias *charset_alias_list = NULL;
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static CharsetAlias *charset_alias_last = NULL;
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/*
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* Table linked list
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*/
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static CharsetTable *charset_table_list = NULL;
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static CharsetTable *charset_table_last = NULL;
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/*
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* Current charset mapping table
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*/
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static CharsetTable *charset_table_used = NULL;
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#endif
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/*
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/*
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* Returns index of charset or -1 if not found.
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* Returns index of charset or -1 if not found.
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@ -174,62 +157,6 @@ int find_ftn_charset(char *ftnkludge)
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#ifndef USE_EXPERIMENT
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/*
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* str_printf(): wrapper for sprintf()/snprintf()
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*/
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int str_printf(char *buf, size_t len, const char *fmt, ...)
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{
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va_list args;
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int n;
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va_start(args, fmt);
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n = vsnprintf(buf, len, fmt, args);
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if (n >= len) {
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WriteError("Internal error - str_printf() buf overflow");
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/**NOT REACHED**/
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return FALSE;
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}
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/*
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* Make sure that buf[] is terminated with a \0. vsnprintf()
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* should do this automatically as required by the ANSI C99
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* proposal, but one never knows ... see also discussion on
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* BugTraq
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*/
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buf[len - 1] = 0;
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va_end(args);
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return n;
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}
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char *str_append(char *d, size_t n, char *s)
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{
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int max = n - strlen(d) - 1;
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strncat(d, s, max);
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d[n-1] = 0;
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return d;
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}
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char *str_copy(char *d, size_t n, char *s)
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{
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strncpy(d, s, n);
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d[n-1] = 0;
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return d;
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}
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#define BUF_COPY(d,s) str_copy (d,sizeof(d),s)
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#endif
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char *getftnchrs(int val)
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char *getftnchrs(int val)
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{
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{
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int i;
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int i;
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@ -313,285 +240,85 @@ char *getchrsdesc(int val)
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}
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}
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#ifndef USE_EXPERIMENT
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/*
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/*
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* Alloc new CharsetTable and put into linked list
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* Initialize charset translation. Translation can be done in 2 stages
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* with UTF-8 as the common centre because for example translate between
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* CP438 and ISO-8859-1 doesn't work directly. If translation is needed
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* with one side is UTF-8, only one stage will be used. If two the same
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* charactersets are given, the translation is off.
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* On success return 0, on error return -1 and write errorlog.
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*/
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*/
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CharsetTable *charset_table_new(void)
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int chartran_init(char *fromset, char *toset)
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{
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{
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CharsetTable *p;
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if (use_tran1 || use_tran2) {
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WriteError("chartran_init() called while still open");
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chartran_close();
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}
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/* Alloc and clear */
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Syslog('-', "chartran_init(%s, %s)", fromset, toset);
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p = (CharsetTable *)xmalloc(sizeof(CharsetTable));
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memset(p, 0, sizeof(CharsetTable));
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p->next = NULL; /* Just to be sure */
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/* Put into linked list */
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if(charset_table_list)
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charset_table_last->next = p;
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else
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charset_table_list = p;
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charset_table_last = p;
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return p;
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if (strcmp(fromset, toset) == 0) {
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}
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Syslog('-', "nothing to translate");
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return 0;
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}
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if (strcmp(fromset, (char *)"UTF-8")) {
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/*
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cd1 = iconv_open("UTF-8", fromset);
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* Alloc new CharsetAlias and put into linked list
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if (cd1 != (iconv_t)-1) {
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*/
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WriteError("$chartran_init(%s, %s): iconv_open(UTF-8, %s) error", fromset, toset, fromset);
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CharsetAlias *charset_alias_new(void)
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return -1;
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{
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CharsetAlias *p;
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/* Alloc and clear */
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p = (CharsetAlias *)xmalloc(sizeof(CharsetAlias));
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memset(p, 0, sizeof(CharsetAlias));
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p->next = NULL; /* Just to be sure */
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/* Put into linked list */
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if(charset_alias_list)
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charset_alias_last->next = p;
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else
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charset_alias_list = p;
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charset_alias_last = p;
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return p;
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}
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/*
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* Write binary mapping file
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*/
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int charset_write_bin(char *name)
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{
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FILE *fp;
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CharsetTable *pt;
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CharsetAlias *pa;
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fp = fopen(name, "w+");
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if (!fp)
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return FALSE;
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/*
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* Write aliases
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*/
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for (pa = charset_alias_list; pa; pa=pa->next) {
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fputc(CHARSET_FILE_ALIAS, fp);
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fwrite(pa, sizeof(CharsetAlias), 1, fp);
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if (ferror(fp)) {
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fclose(fp);
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return FALSE;
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}
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}
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use_tran1 = TRUE;
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}
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}
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/*
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if (strcmp(toset, (char *)"UTF-8")) {
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* Write tables
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cd2 = iconv_open(toset, (char *)"UTF-8");
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*/
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if (cd2 != (iconv_t)-1) {
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for(pt = charset_table_list; pt; pt=pt->next) {
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WriteError("$chartran_init(%s, %s): iconv_open(%s, UTF-8s) error", fromset, toset, toset);
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fputc(CHARSET_FILE_TABLE, fp);
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chartran_close();
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fwrite(pt, sizeof(CharsetTable), 1, fp);
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return -1;
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if (ferror(fp)) {
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fclose(fp);
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return FALSE;
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}
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}
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use_tran2 = TRUE;
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}
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}
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fclose(fp);
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return 0;
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return TRUE;
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}
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}
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/*
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/*
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* Read binary mapping file
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* Deinit active charset translation.
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*/
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*/
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int charset_read_bin(void)
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void chartran_close(void)
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{
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{
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FILE *fp;
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Syslog('-', "chartran_close()");
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int c, n;
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if (use_tran1) {
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CharsetTable *pt;
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iconv_close(cd1);
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CharsetAlias *pa;
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use_tran1 = FALSE;
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char *name;
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name = calloc(PATH_MAX, sizeof(char));
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snprintf(name, PATH_MAX -1, "%s/etc/charset.bin", getenv("MBSE_ROOT"));
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if ((fp = fopen(name, "r")) == NULL) {
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WriteError("$Can't open %s", name);
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free(name);
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return FALSE;
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}
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}
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free(name);
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while ((c = fgetc(fp)) != EOF) {
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if (use_tran2) {
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switch(c) {
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iconv_close(cd2);
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case CHARSET_FILE_ALIAS: pa = charset_alias_new();
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use_tran2 = FALSE;
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n = fread((void *)pa, sizeof(CharsetAlias), 1, fp);
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pa->next = NULL; /* overwritten by fread() */
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if (n != 1)
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return FALSE;
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// Syslog('s', "read charset alias: %s -> %s", pa->alias, pa->name);
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break;
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case CHARSET_FILE_TABLE: pt = charset_table_new();
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n = fread((void *)pt, sizeof(CharsetTable), 1, fp);
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pt->next = NULL; /* overwritten by fread() */
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if (n != 1)
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return FALSE;
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// Syslog('s', "read charset table: %s -> %s", pt->in, pt->out);
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break;
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default: return FALSE;
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break;
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}
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}
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}
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if(ferror(fp))
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return FALSE;
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fclose(fp);
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return TRUE;
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}
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}
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/*
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/*
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* Convert to MIME quoted-printable =XX if qp==TRUE
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* Translate a string, chartran_init must have been called to register
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* the charactersets to translate between.
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*/
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*/
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char *charset_qpen(int c, int qp)
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char *chartran(char *input)
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{
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{
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static char buf[4];
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static char outbuf[1024];
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c &= 0xff;
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memset(&outbuf, 0, sizeof(outbuf));
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strncat(outbuf, input, sizeof(outbuf) -1);
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if (qp && (c == '=' || c >= 0x80))
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str_printf(buf, sizeof(buf), "=%02.2X", c & 0xff);
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return outbuf;
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else {
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buf[0] = c;
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buf[1] = 0;
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}
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return buf;
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}
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}
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/*
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* Map single character
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*/
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char *charset_map_c(int c, int qp)
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{
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static char buf[MAX_CHARSET_OUT * 4];
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char *s;
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c &= 0xff;
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buf[0] = 0;
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if (charset_table_used && c>=0x80) {
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s = charset_table_used->map[c - 0x80];
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while(*s)
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BUF_APPEND(buf, charset_qpen(*s++, qp));
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} else {
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BUF_COPY(buf, charset_qpen(c, qp));
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}
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return buf;
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}
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/*
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* Search alias
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*/
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char *charset_alias_fsc(char *name)
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{
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CharsetAlias *pa;
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/*
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* Search for aliases
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*/
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for (pa = charset_alias_list; pa; pa=pa->next) {
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if (strcasecmp(pa->name, name) == 0)
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return pa->alias;
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}
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return name;
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}
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char *charset_alias_rfc(char *name)
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{
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CharsetAlias *pa;
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/*
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* Search for aliases
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*/
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for (pa = charset_alias_list; pa; pa=pa->next) {
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if (strcasecmp(pa->alias, name) == 0)
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return pa->name;
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}
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return name;
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}
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/*
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* Set character mapping table
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*/
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int charset_set_in_out(char *in, char *out)
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{
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CharsetTable *pt;
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CharsetAlias *pa;
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int i;
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if (!in || !out)
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return FALSE;
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/*
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* Check if charset.bin is loaded.
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*/
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if ((charset_alias_list == NULL) || (charset_table_list == NULL))
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charset_read_bin();
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/*
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* For charset names with a space (level number), shorten the name.
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*/
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for (i = 0; i < strlen(in); i++)
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if (in[i] == ' ') {
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in[i] = '\0';
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break;
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}
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for (i = 0; i < strlen(out); i++)
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if (out[i] == ' ') {
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|
||||||
out[i] = '\0';
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Search for aliases */
|
|
||||||
for (pa = charset_alias_list; pa; pa=pa->next) {
|
|
||||||
if (strcasecmp(pa->alias, in) == 0)
|
|
||||||
in = pa->name;
|
|
||||||
if (strcasecmp(pa->alias, out) == 0)
|
|
||||||
out = pa->name;
|
|
||||||
}
|
|
||||||
Syslog('m', "charset: aliases in=%s out=%s", in, out);
|
|
||||||
|
|
||||||
/* Search for matching table */
|
|
||||||
for (pt = charset_table_list; pt; pt=pt->next) {
|
|
||||||
if ((strcasecmp(pt->in, in) == 0) && (strcasecmp(pt->out, out) == 0)) {
|
|
||||||
Syslog('s', "charset: table found in=%s out=%s", pt->in, pt->out);
|
|
||||||
charset_table_used = pt;
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
Syslog('s', "charset: no table found in=%s out=%s", in, out);
|
|
||||||
charset_table_used = NULL;
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|||||||
14
lib/clcomm.c
14
lib/clcomm.c
@ -579,8 +579,9 @@ char *cldecode(char *s)
|
|||||||
|
|
||||||
char *printable(char *s, int l)
|
char *printable(char *s, int l)
|
||||||
{
|
{
|
||||||
int len;
|
int len;
|
||||||
char *p;
|
char *p;
|
||||||
|
unsigned char c;
|
||||||
|
|
||||||
if (pbuff)
|
if (pbuff)
|
||||||
free(pbuff);
|
free(pbuff);
|
||||||
@ -602,7 +603,14 @@ char *printable(char *s, int l)
|
|||||||
pbuff=(char*)xmalloc(len*3+1);
|
pbuff=(char*)xmalloc(len*3+1);
|
||||||
p=pbuff;
|
p=pbuff;
|
||||||
while (len--) {
|
while (len--) {
|
||||||
if (isprint(*(unsigned char*)s))
|
/*
|
||||||
|
* Don't use isprint to check if a character is printable because we
|
||||||
|
* don't want some current locale to have some influence on this
|
||||||
|
* conversion. Just filer low ascii values.
|
||||||
|
*/
|
||||||
|
c = *(unsigned char*)s;
|
||||||
|
// if (isprint(*(unsigned char*)s))
|
||||||
|
if ((c >= 32) && (c < 128))
|
||||||
*p++=*s;
|
*p++=*s;
|
||||||
else
|
else
|
||||||
switch (*s) {
|
switch (*s) {
|
||||||
|
|||||||
@ -109,9 +109,7 @@ time_t ltime;
|
|||||||
time_t Time_Now;
|
time_t Time_Now;
|
||||||
|
|
||||||
char current_language[10]; /* Current language of the user */
|
char current_language[10]; /* Current language of the user */
|
||||||
#ifdef USE_EXPERIMENT
|
|
||||||
int utf8;
|
int utf8;
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
@ -429,7 +429,7 @@ struct icmp_filter {
|
|||||||
|
|
||||||
/*****************************************************************************
|
/*****************************************************************************
|
||||||
*
|
*
|
||||||
* Supported character sets, only level 2 are defined.
|
* Supported character sets.
|
||||||
*/
|
*/
|
||||||
#define FTNC_ERROR -1 /* Error entry */
|
#define FTNC_ERROR -1 /* Error entry */
|
||||||
#define FTNC_NONE 0 /* Undefined */
|
#define FTNC_NONE 0 /* Undefined */
|
||||||
@ -446,7 +446,8 @@ struct icmp_filter {
|
|||||||
#define FTNC_KOI8_R 11 /* Unix koi8-r */
|
#define FTNC_KOI8_R 11 /* Unix koi8-r */
|
||||||
#define FTNC_CP936 12 /* IBM CP 936 (Chinese, GBK) */
|
#define FTNC_CP936 12 /* IBM CP 936 (Chinese, GBK) */
|
||||||
#define FTNC_LATIN_9 13 /* ISO 8859-15 (West Europe EURO */
|
#define FTNC_LATIN_9 13 /* ISO 8859-15 (West Europe EURO */
|
||||||
#define FTNC_MAXCHARS 13 /* Highest charset number */
|
#define FTNC_UTF8 14 /* UTF-8 */
|
||||||
|
#define FTNC_MAXCHARS 14 /* Highest charset number */
|
||||||
|
|
||||||
|
|
||||||
extern struct _charalias {
|
extern struct _charalias {
|
||||||
@ -2598,51 +2599,14 @@ int create_tmpwork(void); /* Create tmp workdir */
|
|||||||
*
|
*
|
||||||
* Charset mapping
|
* Charset mapping
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#ifndef USE_EXPERIMENT
|
|
||||||
|
|
||||||
#define MAX_CHARSET_NAME 16
|
|
||||||
#define MAX_CHARSET_IN 128
|
|
||||||
#define MAX_CHARSET_OUT 4
|
|
||||||
|
|
||||||
#define CHARSET_FILE_ALIAS 'A' /* Id for binary file */
|
|
||||||
#define CHARSET_FILE_TABLE 'T' /* Id for binary file */
|
|
||||||
|
|
||||||
|
|
||||||
typedef struct st_charset_alias {
|
|
||||||
char alias[MAX_CHARSET_NAME]; /* Alias charset name */
|
|
||||||
char name[MAX_CHARSET_NAME]; /* Real charset name */
|
|
||||||
struct st_charset_alias *next;
|
|
||||||
} CharsetAlias;
|
|
||||||
|
|
||||||
typedef struct st_charset_table {
|
|
||||||
char in[MAX_CHARSET_NAME]; /* Input charset name */
|
|
||||||
char out[MAX_CHARSET_NAME]; /* Output charset name */
|
|
||||||
char map[MAX_CHARSET_IN][MAX_CHARSET_OUT];
|
|
||||||
struct st_charset_table *next;
|
|
||||||
} CharsetTable;
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
int find_ftn_charset(char *); /* Return FTN charset index */
|
int find_ftn_charset(char *); /* Return FTN charset index */
|
||||||
char *getftnchrs(int); /* Return FTN characterset name */
|
char *getftnchrs(int); /* Return FTN characterset name */
|
||||||
char *getrfcchrs(int); /* Return RFC characterset name */
|
char *getrfcchrs(int); /* Return RFC characterset name */
|
||||||
char *getlocale(int); /* Return locale name */
|
char *getlocale(int); /* Return locale name */
|
||||||
char *getchrsdesc(int); /* Return characterset description */
|
char *getchrsdesc(int); /* Return characterset description */
|
||||||
|
int chartran_init(char *, char *); /* Initialize chartran */
|
||||||
#ifndef USE_EXPERIMENT
|
void chartran_close(void); /* Deinit chartran */
|
||||||
|
char *chartran(char *); /* Translate string */
|
||||||
CharsetTable *charset_table_new(void); /* Add table to linked list */
|
|
||||||
CharsetAlias *charset_alias_new(void); /* Add alias to linked list */
|
|
||||||
int charset_write_bin(char *); /* Save charset.bin */
|
|
||||||
int charset_read_bin(void); /* Load ~/etc/charset.bin */
|
|
||||||
char *charset_qpen(int, int); /* Convert to MIME quoted-printable */
|
|
||||||
char *charset_map_c(int, int); /* map single character */
|
|
||||||
char *charset_alias_fsc(char *); /* Search FSC alias */
|
|
||||||
char *charset_alias_rfc(char *); /* Search RFC alias */
|
|
||||||
int charset_set_in_out(char *, char *); /* Setup mapping */
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
/****************************************************************************
|
/****************************************************************************
|
||||||
|
|||||||
Reference in New Issue
Block a user