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Fix access past end of string in date parsing.

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This affects date_in(), and a couple of other funcions that use DecodeDate().

Hitoshi Harada
This commit is contained in:
Heikki Linnakangas 2012-10-02 10:43:48 +03:00
parent dbdb2172a0
commit 0899556e92
1 changed files with 4 additions and 1 deletions
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5
src/backend/utils/adt/datetime.c
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@ -2176,9 +2176,12 @@ DecodeDate(char *str, int fmask, int *tmask, bool *is2digits,
while (*str != '\0' && nf < MAXDATEFIELDS)
{
/* skip field separators */
while (!isalnum((unsigned char) *str))
while (*str != '\0' && !isalnum((unsigned char) *str))
str++;
if (*str == '\0')
return DTERR_BAD_FORMAT; /* end of string after separator */
field[nf] = str;
if (isdigit((unsigned char) *str))
{