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-rw-r--r--awklib/eg/lib/strtonum.awk10
1 files changed, 4 insertions, 6 deletions
diff --git a/awklib/eg/lib/strtonum.awk b/awklib/eg/lib/strtonum.awk
index a56ab50c..9342e789 100644
--- a/awklib/eg/lib/strtonum.awk
+++ b/awklib/eg/lib/strtonum.awk
@@ -3,8 +3,9 @@
#
# Arnold Robbins, arnold@skeeve.com, Public Domain
# February, 2004
+# Revised June, 2014
-function mystrtonum(str, ret, chars, n, i, k, c)
+function mystrtonum(str, ret, n, i, k, c)
{
if (str ~ /^0[0-7]*$/) {
# octal
@@ -17,7 +18,7 @@ function mystrtonum(str, ret, chars, n, i, k, c)
ret = ret * 8 + k
}
- } else if (str ~ /^0[xX][[:xdigit:]]+/) {
+ } else if (str ~ /^0[xX][[:xdigit:]]+$/) {
# hexadecimal
str = substr(str, 3) # lop off leading 0x
n = length(str)
@@ -25,10 +26,7 @@ function mystrtonum(str, ret, chars, n, i, k, c)
for (i = 1; i <= n; i++) {
c = substr(str, i, 1)
c = tolower(c)
- if ((k = index("0123456789", c)) > 0)
- k-- # adjust for 1-basing in awk
- else if ((k = index("abcdef", c)) > 0)
- k += 9
+ k = index("123456789abcdef", c)
ret = ret * 16 + k
}