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Backport from xs.
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parent
08e43f2093
commit
59b049fe3b
2 changed files with 26 additions and 7 deletions
31
xs_json.h
31
xs_json.h
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@ -238,20 +238,39 @@ static xs_val *_xs_json_loads_lexer(const char **json, js_type *t)
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case 't': c = '\t'; break;
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case 'u': /* Unicode codepoint as an hex char */
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s++;
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memcpy(tmp, s, 4);
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s += 3;
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strncpy(tmp, s, 4);
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tmp[4] = '\0';
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if (strlen(tmp) != 4) {
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*t = JS_ERROR;
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break;
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}
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s += 3; /* skip as it was one byte */
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sscanf(tmp, "%04x", &i);
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if (i >= 0xd800 && i <= 0xdfff) {
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/* it's a surrogate pair */
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cp = (i & 0x3ff) << 10;
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/* skip to the next value */
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s += 3;
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memcpy(tmp, s, 4);
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s += 3;
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/* skip to the next value (last char + \ + u) */
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s++;
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if (memcmp(s, "\\u", 2) != 0) {
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*t = JS_ERROR;
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break;
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}
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s += 2;
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strncpy(tmp, s, 4);
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tmp[4] = '\0';
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if (strlen(tmp) != 4) {
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*t = JS_ERROR;
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break;
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}
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s += 3; /* skip as it was one byte */
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sscanf(tmp, "%04x", &i);
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cp |= (i & 0x3ff);
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@ -1 +1 @@
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/* 333e84c76cd0e51f9f98a36df2eb3bf81e0d2608 */
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/* 494e346f92431041350f72431417eee03a23eafd */
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