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Fix breakage in GEODEBUG debug code.

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LINE doesn't have an "m" field (anymore anyway).  Also fix unportable
assumption that %x can print the result of pointer subtraction.

In passing, improve single_decode() in minor ways:
* Remove unnecessary leading-whitespace skip (strtod does that already).
* Make GEODEBUG message more intelligible.
* Remove entirely-useless test to see if strtod returned a silly pointer.
* Don't bother computing trailing-whitespace skip unless caller wants
  an ending pointer.

This has been broken since 261c7d4b65.
Although it's only debug code, might as well fix the 9.4 branch too.
This commit is contained in:
Tom Lane
2015-02-03 15:20:45 -05:00
parent 91fa7b4719
commit 778d498c7d
1 changed files with 13 additions and 13 deletions
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26
src/backend/utils/adt/geo_ops.c
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@@ -128,19 +128,19 @@ single_decode(char *str, float8 *x, char **s)
if (!PointerIsValid(str))
return FALSE;
while (isspace((unsigned char) *str))
str++;
*x = strtod(str, &cp);
#ifdef GEODEBUG
printf("single_decode- (%x) try decoding %s to %g\n", (cp - str), str, *x);
printf("single_decode- decoded first %d chars of \"%s\" to %g\n",
(int) (cp - str), str, *x);
#endif
if (cp <= str)
return FALSE;
while (isspace((unsigned char) *cp))
cp++;
if (s != NULL)
{
while (isspace((unsigned char) *cp))
cp++;
*s = cp;
}
return TRUE;
} /* single_decode() */
@@ -2901,8 +2901,8 @@ close_ps(PG_FUNCTION_ARGS)
result = point_copy(&lseg->p[!yh]); /* below the lseg, take lower
* end pt */
#ifdef GEODEBUG
printf("close_ps below: tmp A %f B %f C %f m %f\n",
tmp->A, tmp->B, tmp->C, tmp->m);
printf("close_ps below: tmp A %f B %f C %f\n",
tmp->A, tmp->B, tmp->C);
#endif
PG_RETURN_POINT_P(result);
}
@@ -2913,8 +2913,8 @@ close_ps(PG_FUNCTION_ARGS)
result = point_copy(&lseg->p[yh]); /* above the lseg, take higher
* end pt */
#ifdef GEODEBUG
printf("close_ps above: tmp A %f B %f C %f m %f\n",
tmp->A, tmp->B, tmp->C, tmp->m);
printf("close_ps above: tmp A %f B %f C %f\n",
tmp->A, tmp->B, tmp->C);
#endif
PG_RETURN_POINT_P(result);
}
@@ -2925,8 +2925,8 @@ close_ps(PG_FUNCTION_ARGS)
*/
tmp = line_construct_pm(pt, invm);
#ifdef GEODEBUG
printf("close_ps- tmp A %f B %f C %f m %f\n",
tmp->A, tmp->B, tmp->C, tmp->m);
printf("close_ps- tmp A %f B %f C %f\n",
tmp->A, tmp->B, tmp->C);
#endif
result = interpt_sl(lseg, tmp);
Assert(result != NULL);