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Better idea, return empty string at mdb_date_to_string().

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This commit is contained in:
Andy Reagan
2021-12-03 15:35:51 -05:00
parent 898e880e87
commit 57cd54f654
1 changed files with 4 additions and 6 deletions
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10
src/libmdb/data.c
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@@ -894,10 +894,6 @@ mdb_date_to_tm(double td, struct tm *t)
long yr, q; long yr, q;
const int *cal; const int *cal;
// limit to ~1100AD--2700A to protect from overflow
if (td < -1e6 || td > 1e6)
return;
yr = 1; yr = 1;
day = (long)(td); day = (long)(td);
time = (long)((td - day) * 86400.0 + 0.5); time = (long)((td - day) * 86400.0 + 0.5);
@@ -944,9 +940,11 @@ mdb_date_to_string(MdbHandle *mdb, const char *fmt, void *buf, int start)
char *text = g_malloc(mdb->bind_size); char *text = g_malloc(mdb->bind_size);
double td = mdb_get_double(buf, start); double td = mdb_get_double(buf, start);
mdb_date_to_tm(td, &t); // limit to ~1100AD--2700A to protect from overflow
if (td < -1e6 || td > 1e6)
return strdup("");
// check if t is still unchanged, return empty string? mdb_date_to_tm(td, &t);
strftime(text, mdb->bind_size, mdb->date_fmt, &t); strftime(text, mdb->bind_size, mdb->date_fmt, &t);