aboutsummaryrefslogtreecommitdiff
path: root/sys/fmtio/strncmp.x
diff options
context:
space:
mode:
authorJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
committerJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
commit40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch)
tree4464880c571602d54f6ae114729bf62a89518057 /sys/fmtio/strncmp.x
downloadiraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'sys/fmtio/strncmp.x')
-rw-r--r--sys/fmtio/strncmp.x20
1 files changed, 20 insertions, 0 deletions
diff --git a/sys/fmtio/strncmp.x b/sys/fmtio/strncmp.x
new file mode 100644
index 00000000..515aeaaf
--- /dev/null
+++ b/sys/fmtio/strncmp.x
@@ -0,0 +1,20 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# STRNCMP -- Compare the first N characters of two strings. A negative value
+# is returned if S1 < S2, 0 if S1 == S2, and a positive value if S1 > S2.
+
+int procedure strncmp (s1, s2, n)
+
+char s1[ARB], s2[ARB] # strings to be compared
+int n # number of chars to compare
+int i
+
+begin
+ do i = 1, n
+ if (s1[i] != s2[i])
+ return (s1[i] - s2[i])
+ else if (s1[i] == EOS)
+ return (0)
+
+ return (0)
+end