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[svn] Slightly better handling of negative numbers in numdigit.

This commit is contained in:
hniksic 2005-03-29 12:03:42 -08:00
parent 1c942b02b0
commit dd299a9cf6
2 changed files with 11 additions and 8 deletions
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4
src/ChangeLog
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@ -1,3 +1,7 @@
2005-03-29 Hrvoje Niksic <hniksic@xemacs.org>
* utils.c (numdigit): More correct handling of negative numbers.
2005-03-21 Hrvoje Niksic <hniksic@xemacs.org>
* http.c (gethttp): Print the human-readable size.

15
src/utils.c
View File

@ -1368,17 +1368,16 @@ human_readable (wgint n)
return NULL; /* unreached */
}
/* Count the digits in an integer number. */
/* Count the digits in the provided number. Used to allocate space
when printing numbers. */
int
numdigit (wgint number)
{
int cnt = 1;
if (number < 0)
{
number = -number;
++cnt;
}
while ((number /= 10) > 0)
++cnt; /* accomodate '-' */
while ((number /= 10) != 0)
++cnt;
return cnt;
}
@ -1468,8 +1467,8 @@ numdigit (wgint number)
#endif
/* Print NUMBER to BUFFER in base 10. This is equivalent to
`sprintf(buffer, "%lld", (long long) number)', only much faster and
portable to machines without long long.
`sprintf(buffer, "%lld", (long long) number)', only typically much
faster and portable to machines without long long.
The speedup may make a difference in programs that frequently
convert numbers to strings. Some implementations of sprintf,