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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 d617b28c6c
commit 6c00b2bbf7
1 changed files with 4 additions and 1 deletions
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5
src/backend/utils/adt/datetime.c
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@ -2169,9 +2169,12 @@ DecodeDate(char *str, int fmask, int *tmask, bool *is2digits,
while (*str != '\0' && nf < MAXDATEFIELDS) while (*str != '\0' && nf < MAXDATEFIELDS)
{ {
/* skip field separators */ /* skip field separators */
while (!isalnum((unsigned char) *str)) while (*str != '\0' && !isalnum((unsigned char) *str))
str++; str++;
if (*str == '\0')
return DTERR_BAD_FORMAT; /* end of string after separator */
field[nf] = str; field[nf] = str;
if (isdigit((unsigned char) *str)) if (isdigit((unsigned char) *str))
{ {