73 lines
1.3 KiB
C
73 lines
1.3 KiB
C
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#include <gtk/gtk.h>
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#include <string.h>
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#include <iconv.h>
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#include <errno.h>
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gint
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convert_string(char *from_string, char **to_string)
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{
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char *src = g_strdup(from_string);
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int src_len = strlen(src);
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char *outbuf = NULL;
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int outlen = src_len;
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char *final = NULL;
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char *out_ptr = NULL;
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if (src && src_len)
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{
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iconv_t ic = iconv_open("UTF-8", "ISO-8859-2");
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unsigned int inlenleft = src_len;
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char *src_ptr = (char *)src;
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unsigned int outlenleft = src_len;
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if (ic != (iconv_t)-1)
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{
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size_t st;
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outbuf = (char *)g_malloc(outlen + 1);
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if (outbuf)
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{
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out_ptr = (char *)outbuf;
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while (inlenleft)
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{
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st = iconv(ic, &src_ptr, &inlenleft, &out_ptr, &outlenleft);
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if (st == -1)
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{
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if (errno == E2BIG)
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{
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int diff = out_ptr - outbuf;
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outlen += inlenleft;
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outlenleft += inlenleft;
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outbuf = (char *)g_realloc(outbuf, outlen + 1);
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if (!outbuf)
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return -1;
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out_ptr = outbuf + diff;
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}
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else
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{
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g_free(outbuf);
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outbuf = NULL;
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return -1;
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}
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}
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}
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}
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}
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}
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final = g_malloc((out_ptr - outbuf) + 1);
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memset(final, 0, (out_ptr - outbuf) + 1);
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strncpy(final, outbuf, (out_ptr - outbuf));
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g_free(outbuf);
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if (to_string)
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*to_string = final;
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return 0;
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}
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