Impliment the ISO-C99 strto[u]ll()

and rewrite strto[u]q() in terms of it.

1 files changed, 34 insertions, 5 deletions

diff --git a/lib/libc/stdlib/strtoul.3 b/lib/libc/stdlib/strtoul.3
index d3e9696..ebd9268 100644
--- a/lib/libc/stdlib/strtoul.3
+++ b/lib/libc/stdlib/strtoul.3
@@ -40,8 +40,8 @@
 .Dt STRTOUL 3
 .Os
 .Sh NAME
-.Nm strtoul , strtouq
-.Nd "convert a string to an unsigned long or uquad_t integer"
+.Nm strtoul , strtoull , strtouq
+.Nd "convert a string to an unsigned long , unsigned long long , or uquad_t integer"
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
@@ -49,6 +49,8 @@
 .Fd #include <limits.h>
 .Ft unsigned long
 .Fn strtoul "const char *nptr" "char **endptr" "int base"
+.Ft unsigned long long
+.Fn strtoull "const char *nptr" "char **endptr" "int base"
 .Fd #include <sys/types.h>
 .Fd #include <stdlib.h>
 .Fd #include <limits.h>
@@ -64,6 +66,14 @@ to an
 .Em unsigned long
 value.
 The
+.Fn strtoull
+function
+converts the string in
+.Fa nptr
+to an
+.Em unsigned long long
+value.
+The
 .Fn strtouq
 function
 converts the string in
@@ -143,10 +153,21 @@ unless the original (non-negated) value would overflow;
 in the latter case,
 .Fn strtoul
 returns
-.Dv ULONG_MAX
-and sets the global variable
+.Dv ULONG_MAX .
+The
+.Fn strtoull
+function
+returns either the result of the conversion
+or, if there was a leading minus sign,
+the negation of the result of the conversion,
+unless the original (non-negated) value would overflow;
+in the latter case,
+.Fn strtoull
+returns
+.Dv ULLONG_MAX .
+In all cases,
 .Va errno
-to
+is set to
 .Er ERANGE .
 .Sh ERRORS
 .Bl -tag -width Er
@@ -161,5 +182,13 @@ The
 function
 conforms to
 .St -isoC .
+The
+.Fn strtoull
+function
+conforms to
+.St -isoC-99 .
+The BSD
+.Fn strtoq
+function is deprecated.
 .Sh BUGS
 Ignores the current locale.