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Explicitly add stdio.h and string.h to make strtod.c work standalone.

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Found using Clang's static analyzer.
This commit is contained in:
Brett Cannon 2010-05-05 20:50:03 +00:00
parent c33e82d23c
commit 0b64be2389
1 changed files with 9 additions and 6 deletions
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15
Python/strtod.c
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@ -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 @@ double strtod(char *str, char **ptr)
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 @@ double strtod(char *str, char **ptr)
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 @@ double strtod(char *str, char **ptr)
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);