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Added vformat() native
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@ -973,6 +973,67 @@ static cell AMX_NATIVE_CALL n_strfind(AMX *amx, cell *params)
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return (find - str);
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}
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static cell AMX_NATIVE_CALL vformat(AMX *amx, cell *params)
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{
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int vargPos = static_cast<int>(params[4]);
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/** get the parent parameter array */
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AMX_HEADER *hdr = (AMX_HEADER *)amx->base;
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cell *local_params = (cell *)(
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(char *)amx->base + (cell)hdr->dat +
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(cell)amx->frm + (2 * sizeof(cell))
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);
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cell max = local_params[0] / sizeof(cell);
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if (vargPos > (int)max + 1)
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{
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LogError(amx, AMX_ERR_NATIVE, "Invalid vararg parameter passed: %d", vargPos);
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return 0;
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}
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/**
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* check for bounds clipping
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*/
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cell addr_start = params[1];
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cell addr_end = addr_start + params[2];
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bool copy = false;
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for (int i = vargPos; i <= max; i++)
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{
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//does this clip the bounds?
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if ( (local_params[i] >= addr_start)
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&& (local_params[i] <= addr_end) )
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{
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copy = true;
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break;
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}
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}
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/* get destination info */
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cell *fmt = get_amxaddr(amx, params[3]);
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cell *realdest = get_amxaddr(amx, params[1]);
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size_t maxlen = static_cast<size_t>(params[2]);
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cell *dest = realdest;
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/* if this is necessary... */
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static cell cpbuf[4096];
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if (copy)
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dest = cpbuf;
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/* perform format */
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size_t total = atcprintf(dest, maxlen, fmt, amx, local_params, &vargPos);
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/* copy back */
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if (copy)
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{
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memcpy(realdest, dest, (total+1) * sizeof(cell));
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}
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return total;
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}
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AMX_NATIVE_INFO string_Natives[] =
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{
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{"add", add},
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@ -1008,5 +1069,6 @@ AMX_NATIVE_INFO string_Natives[] =
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{"strcmp", n_strcmp},
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{"str_to_float", str_to_float},
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{"float_to_str", float_to_str},
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{"vformat", vformat},
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{NULL, NULL}
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};
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