46 lines
1015 B
C
46 lines
1015 B
C
#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <xcb-imdkit/encoding.h>
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static char*
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ximutf8compound(const char *s, size_t len, size_t *outlen)
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{
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static const char begin[] = "\033%G";
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static const char end[] = "\033%@";
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char *ct;
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size_t n;
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if(outlen != NULL)
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*outlen = 0;
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if(s == NULL || len > SIZE_MAX - (sizeof begin + sizeof end - 1))
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return NULL;
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n = len + sizeof begin + sizeof end - 2;
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ct = malloc(n + 1);
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if(ct == NULL)
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return NULL;
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memcpy(ct, begin, sizeof begin - 1);
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memcpy(ct + sizeof begin - 1, s, len);
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memcpy(ct + sizeof begin - 1 + len, end, sizeof end - 1);
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ct[n] = '\0';
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if(outlen != NULL)
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*outlen = n;
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return ct;
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}
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char*
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ximcompound(const char *s, size_t len, size_t *outlen)
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{
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char *ct;
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if(outlen != NULL)
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*outlen = 0;
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if(s == NULL)
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return NULL;
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ct = xcb_utf8_to_compound_text(s, len, outlen);
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if(ct != NULL)
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return ct;
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/* X.Org Compound Text extension for characters in no legacy charset. */
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return ximutf8compound(s, len, outlen);
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}
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