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Fix #1391: Remove use of nonportable strnlen().

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This commit is contained in:
John Kessenich 2018-05-27 19:53:20 -06:00
parent b91189dbe5
commit 4f88853412
1 changed files with 2 additions and 2 deletions
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4
glslang/MachineIndependent/intermOut.cpp
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@ -1111,11 +1111,11 @@ static void OutputDouble(TInfoSink& out, double value, TOutputTraverser::EExtraO
const char* format = "%f"; const char* format = "%f";
if (fabs(value) > 0.0 && (fabs(value) < 1e-5 || fabs(value) > 1e12)) if (fabs(value) > 0.0 && (fabs(value) < 1e-5 || fabs(value) > 1e12))
format = "%-.13e"; format = "%-.13e";
snprintf(buf, maxSize, format, value); int len = snprintf(buf, maxSize, format, value);
assert(len < maxSize);
// remove a leading zero in the 100s slot in exponent; it is not portable // remove a leading zero in the 100s slot in exponent; it is not portable
// pattern: XX...XXXe+0XX or XX...XXXe-0XX // pattern: XX...XXXe+0XX or XX...XXXe-0XX
int len = (int)strnlen(buf, maxSize);
if (len > 5) { if (len > 5) {
if (buf[len-5] == 'e' && (buf[len-4] == '+' || buf[len-4] == '-') && buf[len-3] == '0') { if (buf[len-5] == 'e' && (buf[len-4] == '+' || buf[len-4] == '-') && buf[len-3] == '0') {
buf[len-3] = buf[len-2]; buf[len-3] = buf[len-2];