new loplugin writeonlyvars

largely based on the relevant portion of the unusedfields loplugin, but
adapted for local vars

Change-Id: Ic522a941573940e8f75c88f90ba5f37508ca49b1
Reviewed-on: https://gerrit.libreoffice.org/66835
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

2 files changed, 2 insertions, 9 deletions

diff --git a/soltools/mkdepend/main.c b/soltools/mkdepend/main.c
index ee1cfb8efc7d..844edb390ad2 100644
--- a/soltools/mkdepend/main.c
+++ b/soltools/mkdepend/main.c
@@ -127,8 +127,6 @@ char    *includedirs[ MAXDIRS + 1 ];
 char    *objprefix = "";
 char    *objsuffix = OBJSUFFIX;
 static char    *startat = "# DO NOT DELETE";
-static int width = 78;
-static boolean append = FALSE;
 boolean printed = FALSE;
 boolean verbose = FALSE;
 boolean show_where_not = FALSE;
@@ -274,16 +272,13 @@ int main(int argc, char    **argv)
         /* do not use if endmarker processing */
         case 'a':
             if (endmarker) break;
-            append = TRUE;
             break;
         case 'w':
             if (endmarker) break;
             if (argv[0][2] == '\0') {
                 argv++;
                 argc--;
-                width = atoi(argv[0]);
-            } else
-                width = atoi(argv[0]+2);
+            }
             break;
         case 'n':
             // Use "-n" switch to generate dependencies with windows-native slash style
diff --git a/soltools/mkdepend/pr.c b/soltools/mkdepend/pr.c
index 731b2f16626e..2b0825221df6 100644
--- a/soltools/mkdepend/pr.c
+++ b/soltools/mkdepend/pr.c
@@ -109,7 +109,6 @@ size_t pr(struct inclist *ip, char *file, char *base)
 {
     size_t ret;
     static char *lastfile;
-    static int  current_len;
     int    len, i;
     char    buf[ BUFSIZ ];
 
@@ -119,7 +118,7 @@ size_t pr(struct inclist *ip, char *file, char *base)
         lastfile = file;
         sprintf(buf, "\n%s%s%s: \\\n %s", objprefix, base, objsuffix,
             ip->i_file);
-        len = current_len = (int)strlen(buf);
+        len = (int)strlen(buf);
     }
     else {
         buf[0] = ' ';
@@ -127,7 +126,6 @@ size_t pr(struct inclist *ip, char *file, char *base)
         buf[2] = '\n';
         buf[3] = ' ';
         strcpy(buf+4, ip->i_file);
-        current_len += len;
     }
     ret = fwrite(buf, len, 1, stdout);