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Suppress compiler warning about a possibly truncated snprintf (no real problem) by increasing a buffer size

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This commit is contained in:
Jean-Francois Dockes 2019-03-04 10:58:49 +01:00
parent fe66ad214a
commit 037aa07bfd
1 changed files with 6 additions and 3 deletions
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9
src/rcldb/rcldb.cpp
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@ -1657,13 +1657,16 @@ bool Db::addOrUpdate(const string &udi, const string &parent_udi, Doc &doc)
if (!parent_udi.empty()) { if (!parent_udi.empty()) {
newdocument.add_boolean_term(make_parentterm(parent_udi)); newdocument.add_boolean_term(make_parentterm(parent_udi));
} }
// Dates etc.
// Fields used for selecting by date. Note that this only
// works for years AD 0-9999 (no crash elsewhere, but things
// won't work).
time_t mtime = atoll(doc.dmtime.empty() ? doc.fmtime.c_str() : time_t mtime = atoll(doc.dmtime.empty() ? doc.fmtime.c_str() :
doc.dmtime.c_str()); doc.dmtime.c_str());
struct tm tmb; struct tm tmb;
localtime_r(&mtime, &tmb); localtime_r(&mtime, &tmb);
char buf[9]; char buf[50]; // It's actually 9, but use 50 to suppress warnings.
snprintf(buf, 9, "%04d%02d%02d", snprintf(buf, 50, "%04d%02d%02d",
tmb.tm_year+1900, tmb.tm_mon + 1, tmb.tm_mday); tmb.tm_year+1900, tmb.tm_mon + 1, tmb.tm_mday);
// Date (YYYYMMDD) // Date (YYYYMMDD)