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Clear errno, just to be sure.

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This commit is contained in:
Guido van Rossum 1991-12-31 13:15:19 +00:00
parent a534ed3ee7
commit 5afc74757b
1 changed files with 8 additions and 1 deletions
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9
Python/strtod.c
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@ -1,6 +1,8 @@
/* This is not a proper strtod() implementation, but sufficient for Python. /* This is not a proper strtod() implementation, but sufficient for Python.
Python won't detect floating point constant overflow, though. */ Python won't detect floating point constant overflow, though. */
extern int errno;
extern int strlen(); extern int strlen();
extern double atof(); extern double atof();
@ -9,7 +11,12 @@ strtod(p, pp)
char *p; char *p;
char **pp; char **pp;
{ {
double res;
if (pp) if (pp)
*pp = p + strlen(p); *pp = p + strlen(p);
return atof(p); res = atof(p);
errno = 0;
return res;
} }