Merge branch 'feature-utility' into develop

2 files changed, 18 insertions, 0 deletions

diff --git a/inc/utility.h b/inc/utility.h
index ccfd6fa..f060962 100644
--- a/inc/utility.h
+++ b/inc/utility.h
@@ -113,6 +113,7 @@ pvoid ctl_malloc (size_t size);
 pvoid ctl_realloc(pvoid ptr, size_t size);
 pvoid ctl_free   (pvoid ptr);
 void  ctl_die    (CtlErrorType e);
+int   ctl_strcmpL(pcchar a, pcchar b);
 
 #define ctl_swap(X,Y,Z) do{X zzzztmp=(Y);(Y)=(Z);(Z)=zzzztmp;}while(0)
 #define ctl_max(X,Y)    ((X) > (Y) ? (X) : (Y))
diff --git a/src/utility.c b/src/utility.c
index b383834..b5dbc5a 100644
--- a/src/utility.c
+++ b/src/utility.c
@@ -38,3 +38,20 @@ void ctl_die(CtlErrorType e){
     }
     exit((int)e);
 }
+
+/****************** strcmp in lower letter ****************/
+int ctl_strcmpL(pcchar a, pcchar b){
+    int i;
+    char c1, c2;
+    for(i = 0; a[i] != '\0' && b[i] != '\0'; i++){
+        if('A' <= a[i] && a[i] <= 'Z') c1 = a[i] - 'A' + 'a';
+        else                           c1 = a[i];
+        if('A' <= b[i] && b[i] <= 'Z') c2 = b[i] - 'A' + 'a';
+        else                           c2 = b[i];
+        if(c1 < c2) return -1;
+        if(c1 > c2) return  1;
+    }
+    if(a[i] < b[i]) return -1;
+    if(a[i] > b[i]) return  1;
+    return 0;
+}