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Fix unportable usage of <ctype.h> functions.

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isdigit(), isspace(), etc are likely to give surprising results if passed a
signed char.  We should always cast the argument to unsigned char to avoid
that.  Error in commit d78a7d9c7f, found by buildfarm member gaur.
This commit is contained in:
Tom Lane
2016-03-06 18:23:53 -05:00
parent 2b46259b46
commit cb0ca0c995
1 changed files with 2 additions and 2 deletions
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4
src/backend/tsearch/spell.c
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@ -363,7 +363,7 @@ DecodeFlag(IspellDict *Conf, char *sflag, char **sflagnext)
errmsg("non-ASCII affix flag \"%s\"",
sflag)));
}
else if (isdigit(*next))
else if (isdigit((unsigned char) *next))
{
if (!met_comma)
ereport(ERROR,
@ -381,7 +381,7 @@ DecodeFlag(IspellDict *Conf, char *sflag, char **sflagnext)
sflag)));
met_comma = true;
}
else if (!isspace(*next))
else if (!isspace((unsigned char) *next))
{
ereport(ERROR,
(errcode(ERRCODE_CONFIG_FILE_ERROR),