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authorTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
committerTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
commite5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch)
treed8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/libc/port/strncmp.c
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/libc/port/strncmp.c')
-rwxr-xr-xsys/src/libc/port/strncmp.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/sys/src/libc/port/strncmp.c b/sys/src/libc/port/strncmp.c
new file mode 100755
index 000000000..b61db6d5d
--- /dev/null
+++ b/sys/src/libc/port/strncmp.c
@@ -0,0 +1,22 @@
+#include <u.h>
+#include <libc.h>
+
+int
+strncmp(char *s1, char *s2, long n)
+{
+ unsigned c1, c2;
+
+ while(n > 0) {
+ c1 = *s1++;
+ c2 = *s2++;
+ n--;
+ if(c1 != c2) {
+ if(c1 > c2)
+ return 1;
+ return -1;
+ }
+ if(c1 == 0)
+ break;
+ }
+ return 0;
+}