Merge pull request troglobit#62 from al20878/master

Fix troglobit#61: gcc sign extension warnings

Signed-off-by: Joachim Wiberg <[email protected]>

README.md

@@ -198,6 +198,7 @@ current maintainer works exclusively on GNU/Linux systems, so it may use
 GCC and  GNU Make specific  extensions here and  there.  This is  not on
 purpose and patches or pull requests to correct this are most welcome!
 
+0. Call <kbd>./automake.sh</kbd> if you build from git
 1. Configure editline with default features: <kbd>./configure</kbd>
 2. Build the library and examples: <kbd>make all</kbd>
 3. Install using <kbd>make install</kbd>

src/complete.c

@@ -278,15 +278,15 @@ static char *rl_find_token(size_t *len)
     int pos;
 
     for (pos = rl_point; pos < rl_end; pos++) {
-	if (isspace(rl_line_buffer[pos])) {
+	if (isspace((unsigned char) rl_line_buffer[pos])) {
 	    if (pos > 0)
 		pos--;
 	    break;
 	}
     }
 
     ptr = &rl_line_buffer[pos];
-    while (pos >= 0 && !isspace(rl_line_buffer[pos])) {
+    while (pos >= 0 && !isspace((unsigned char) rl_line_buffer[pos])) {
 	if (pos == 0)
 	    break;
 

src/editline.c

@@ -494,10 +494,10 @@ static el_status_t do_case(el_case_t type)
 
         for (i = rl_point, p = &rl_line_buffer[i]; rl_point < end; p++) {
             if ((type == TOupper) || (type == TOcapitalize && rl_point == i)) {
-                if (islower(*p))
-                    *p = toupper(*p);
-            } else if (isupper(*p)) {
-                *p = tolower(*p);
+                if (islower((unsigned char)(*p)))
+                    *p = toupper((unsigned char)(*p));
+            } else if (isupper((unsigned char)(*p))) {
+                *p = tolower((unsigned char)(*p));
             }
             right(CSmove);
         }
@@ -1875,14 +1875,14 @@ static int argify(char *line, char ***avp)
     if (!p)
         return 0;
 
-    for (c = line; isspace(*c); c++)
+    for (c = line; isspace((unsigned char)(*c)); c++)
         continue;
 
     if (*c == '\n' || *c == '\0')
         return 0;
 
     for (ac = 0, p[ac++] = c; *c && *c != '\n'; ) {
-        if (!isspace(*c)) {
+        if (!isspace((unsigned char)(*c))) {
             c++;
             continue;
         }