[Python-checkins] r80821 - python/trunk/Python/strtod.c
brett.cannon
python-checkins at python.org
Wed May 5 22:50:03 CEST 2010
Author: brett.cannon
Date: Wed May 5 22:50:03 2010
New Revision: 80821
Log:
Explicitly add stdio.h and string.h to make strtod.c work standalone.
Found using Clang's static analyzer.
Modified:
python/trunk/Python/strtod.c
Modified: python/trunk/Python/strtod.c
==============================================================================
--- python/trunk/Python/strtod.c (original)
+++ python/trunk/Python/strtod.c Wed May 5 22:50:03 2010
@@ -1,3 +1,6 @@
+#include <stdio.h>
+#include <string.h>
+
#include "pyconfig.h"
/* comp.sources.misc strtod(), as posted in comp.lang.tcl,
@@ -14,7 +17,7 @@
Defines: double strtod (char *str, char**ptr)
*/
-/* This is an implementation of the strtod() function described in the
+/* This is an implementation of the strtod() function described in the
System V manuals, with a different name to avoid linker problems.
All that str2dbl() does itself is check that the argument is well-formed
and is in range. It leaves the work of conversion to atof(), which is
@@ -29,7 +32,7 @@
of strtod(), and if we give this one away maybe someone will look for
mistakes in it and fix them for us (:-).
*/
-
+
/* The following constants are machine-specific. MD{MIN,MAX}EXPT are
integers and MD{MIN,MAX}FRAC are strings such that
0.${MDMAXFRAC}e${MDMAXEXPT} is the largest representable double,
@@ -74,10 +77,10 @@
sign = 1;
if (*sp == '-') sign -= 2, sp++;
dotseen = 0, scale = 0;
- dp = buffer;
+ dp = buffer;
*dp++ = '0'; *dp++ = '.';
buforg = dp, buflim = buffer+48;
- for (save = sp; c = *sp; sp++)
+ for (save = sp; (c = *sp); sp++)
if (c == '.') {
if (dotseen) break;
dotseen++;
@@ -106,7 +109,7 @@
errno = EDOM; /* what should this be? */
return ZERO;
}
-
+
while (dp > buforg && dp[-1] == '0') --dp;
if (dp == buforg) *dp++ = '0';
*dp = '\0';
@@ -128,7 +131,7 @@
if ((unsigned)(c-'0') > (unsigned)('9'-'0')) break;
while (c == '0') c = *sp++;
for (; (unsigned)(c-'0') <= (unsigned)('9'-'0'); c = *sp++)
- expt = expt*10 + c-'0';
+ expt = expt*10 + c-'0';
if (esign < 0) expt = -expt;
save = sp-1;
} while (0);
More information about the Python-checkins
mailing list