tools: fix up warnings with -Wwrite-strings.

[ccan] / tools / ccanlint / tests / examples_run.c

diff --git a/tools/ccanlint/tests/examples_run.c b/tools/ccanlint/tests/examples_run.c
index 4cf9242297988ad64b75835f098799aea52c2915..5c06c263e5228ebc0fffaf9e19abdc9ce6f7503e 100644 (file)
--- a/tools/ccanlint/tests/examples_run.c
+++ b/tools/ccanlint/tests/examples_run.c
@@ -3,6 +3,7 @@
 #include <ccan/talloc/talloc.h>
 #include <ccan/foreach/foreach.h>
 #include <ccan/str/str.h>
+#include <ccan/cast/cast.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -36,10 +37,10 @@ static bool scan_forv(const void *ctx,
 
        va_copy(ap, *args);
 
-       if (isspace(fmt[0])) {
+       if (cisspace(fmt[0])) {
                /* One format space can swallow many input spaces */
                ret = false;
-               while (isspace(input[0])) {
+               while (cisspace(input[0])) {
                        if (scan_forv(ctx, ++input, fmt+1, &ap)) {
                                ret = true;
                                break;
@@ -116,7 +117,7 @@ static char *find_expect(struct ccan_file *file,
 
                foreach_ptr(fmt, "outputs '%s'", "outputs \"%s\"") {
                        if (scan_for(file, p, fmt, &expect)) {
-                               *input = "";
+                               *input = cast_const(char *, "");
                                *exact = true;
                                return expect;
                        }
@@ -173,7 +174,7 @@ static char *find_expect(struct ccan_file *file,
                            "outputs \"%s\"",
                            "outputs %s") {
                        if (scan_for(file, p, fmt, &expect)) {
-                               *input = "";
+                               *input = cast_const(char *, "");
                                *exact = true;
                                return expect;
                        }
@@ -184,7 +185,7 @@ static char *find_expect(struct ccan_file *file,
                            "output contains \"%s\"",
                            "output contains %s") {
                        if (scan_for(file, p, fmt, &expect)) {
-                               *input = "";
+                               *input = cast_const(char *, "");
                                *exact = false;
                                return expect;
                        }