cdecl99: Remove some unused variable declarations.

[cdecl99.git] / src / output.c

diff --git a/src/output.c b/src/output.c
index b33816aafdc64fc6785cddad0849bb6f5bc88741..7206eb9b51f46e64026657325d75f27255bfde7a 100644 (file)
--- a/src/output.c
+++ b/src/output.c
@@ -22,6 +22,7 @@
 #include "cdecl.h"
 #include "cdecl-internal.h"
 
+#include "parse.h"
 #include "specstr.h"
 
 #define MIN(a, b) ((a) < (b) ? (a) : (b))
@@ -37,23 +38,28 @@ size_t cdecl__advance(struct output_state *dst, size_t amount)
        return amount;
 }
 
+size_t cdecl__strlcpy(char *dst, const char *src, size_t dstlen)
+{
+       if (dst)
+               snprintf(dst, dstlen, "%s", src);
+       return strlen(src);
+}
+
 size_t cdecl__emit(struct output_state *dst, const char *src)
 {
-       size_t rc = snprintf(dst->dst, dst->dstlen, "%s", src);
+       size_t rc = cdecl__strlcpy(dst->dst, src, dst->dstlen);
        return cdecl__advance(dst, rc);
 }
 
-static size_t explain_spec(struct output_state *dst, struct cdecl_declspec *s)
+static void explain_spec(struct output_state *dst, struct cdecl_declspec *s)
 {
-       size_t ret;
+       size_t rc;
 
-       ret = cdecl__emit(dst, spec_string(s->type));
+       rc = cdecl__emit(dst, spec_string(s->type));
        if (s->ident) {
-               ret += cdecl__emit(dst, " " + !ret);
-               ret += cdecl__emit(dst, s->ident);
+               cdecl__emit(dst, " " + !rc);
+               cdecl__emit(dst, s->ident);
        }
-
-       return ret;
 }
 
 /*
@@ -61,19 +67,21 @@ static size_t explain_spec(struct output_state *dst, struct cdecl_declspec *s)
  * listed in mask, which is the bitwise OR of the desired specifier kinds, are
  * printed.
  */
-size_t cdecl__emit_specs(struct output_state *dst,
-                         struct cdecl_declspec *s,
-                         unsigned mask)
+const char *cdecl__emit_specs(struct output_state *dst,
+                              struct cdecl_declspec *s,
+                              unsigned mask)
 {
-       size_t ret = 0;
+       const char *sep = " ";
+       int empty = 1;
 
        for (; s; s = s->next) {
                if (!(s->type & mask))
                        continue;
 
-               ret += cdecl__emit(dst, " " + !ret);
-               ret += explain_spec(dst, s);
+               cdecl__emit(dst, sep + empty);
+               explain_spec(dst, s);
+               empty = 0;
        }
 
-       return ret;
+       return sep + empty;
 }