diff options
Diffstat (limited to 'Python/strtod.c')
| -rw-r--r-- | Python/strtod.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/Python/strtod.c b/Python/strtod.c index a248460..748f37b 100644 --- a/Python/strtod.c +++ b/Python/strtod.c @@ -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); |