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Fix comparisons of pointers with zero to compare with NULL instead.

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Per C standard, these are semantically the same thing; but saying NULL
when you mean NULL is good for readability.

Marti Raudsepp, per results of INRIA's Coccinelle.
This commit is contained in:
Tom Lane
2010-10-29 15:51:52 -04:00
parent 48a1fb2390
commit bfd3f37be3
6 changed files with 11 additions and 11 deletions
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12
src/timezone/zic.c
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@ -810,7 +810,7 @@ associate(void)
* Note, though, that if there's no rule, a '%s' in the format is
* a bad thing.
*/
if (strchr(zp->z_format, '%') != 0)
if (strchr(zp->z_format, '%') != NULL)
error(_("%s in ruleless zone"));
}
}
@ -1111,9 +1111,9 @@ inzsub(char **fields, int nfields, int iscont)
z.z_filename = filename;
z.z_linenum = linenum;
z.z_gmtoff = gethms(fields[i_gmtoff], _("invalid UTC offset"), TRUE);
if ((cp = strchr(fields[i_format], '%')) != 0)
if ((cp = strchr(fields[i_format], '%')) != NULL)
{
if (*++cp != 's' || strchr(cp, '%') != 0)
if (*++cp != 's' || strchr(cp, '%') != NULL)
{
error(_("invalid abbreviation format"));
return FALSE;
@ -1438,9 +1438,9 @@ rulesub(struct rule * rp, const char *loyearp, const char *hiyearp,
}
else
{
if ((ep = strchr(dp, '<')) != 0)
if ((ep = strchr(dp, '<')) != NULL)
rp->r_dycode = DC_DOWLEQ;
else if ((ep = strchr(dp, '>')) != 0)
else if ((ep = strchr(dp, '>')) != NULL)
rp->r_dycode = DC_DOWGEQ;
else
{
@ -2826,7 +2826,7 @@ mkdirs(char *argname)
if (argname == NULL || *argname == '\0')
return 0;
cp = name = ecpyalloc(argname);
while ((cp = strchr(cp + 1, '/')) != 0)
while ((cp = strchr(cp + 1, '/')) != NULL)
{
*cp = '\0';
#ifdef WIN32