com32/lib: fix warning in str*cmp()

Shut up a warning about initializing pointer across signedness.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

4 files changed, 8 insertions, 4 deletions

diff --git a/com32/lib/strcasecmp.c b/com32/lib/strcasecmp.c
index 849c21fd..30949a09 100644
--- a/com32/lib/strcasecmp.c
+++ b/com32/lib/strcasecmp.c
@@ -7,7 +7,8 @@
 
 int strcasecmp(const char *s1, const char *s2)
 {
-    const unsigned char *c1 = s1, *c2 = s2;
+    const unsigned char *c1 = (const unsigned char *)s1;
+    const unsigned char *c2 = (const unsigned char *)s2;
     unsigned char ch;
     int d = 0;
 
diff --git a/com32/lib/strcmp.c b/com32/lib/strcmp.c
index 77bb2b41..47a4aad8 100644
--- a/com32/lib/strcmp.c
+++ b/com32/lib/strcmp.c
@@ -6,7 +6,8 @@
 
 int strcmp(const char *s1, const char *s2)
 {
-    const unsigned char *c1 = s1, *c2 = s2;
+    const unsigned char *c1 = (const unsigned char *)s1;
+    const unsigned char *c2 = (const unsigned char *)s2;
     unsigned char ch;
     int d = 0;
 
diff --git a/com32/lib/strncasecmp.c b/com32/lib/strncasecmp.c
index 8b8b967a..2caac0a5 100644
--- a/com32/lib/strncasecmp.c
+++ b/com32/lib/strncasecmp.c
@@ -7,7 +7,8 @@
 
 int strncasecmp(const char *s1, const char *s2, size_t n)
 {
-    const unsigned char *c1 = s1, *c2 = s2;
+    const unsigned char *c1 = (const unsigned char *)s1;
+    const unsigned char *c2 = (const unsigned char *)s2;
     unsigned char ch;
     int d = 0;
 
diff --git a/com32/lib/strncmp.c b/com32/lib/strncmp.c
index f2f2f022..e41b9e36 100644
--- a/com32/lib/strncmp.c
+++ b/com32/lib/strncmp.c
@@ -6,7 +6,8 @@
 
 int strncmp(const char *s1, const char *s2, size_t n)
 {
-    const unsigned char *c1 = s1, *c2 = s2;
+    const unsigned char *c1 = (const unsigned char *)s1;
+    const unsigned char *c2 = (const unsigned char *)s2;
     unsigned char ch;
     int d = 0;