tests: do not use plain 0 as NULL [smatch scan]

Likewise commit 87918040658f2fa9b1bf78f1f8f4f5c065a2e3a3.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

3 files changed, 25 insertions, 25 deletions

diff --git a/libsmartcols/samples/fromfile.c b/libsmartcols/samples/fromfile.c
index 1a90e2d4b..674f01206 100644
--- a/libsmartcols/samples/fromfile.c
+++ b/libsmartcols/samples/fromfile.c
@@ -222,18 +222,18 @@ int main(int argc, char *argv[])
 	int parent_col = -1, id_col = -1;
 
 	static const struct option longopts[] = {
-		{ "maxout", 0, 0, 'm' },
-		{ "column", 1, 0, 'c' },
-		{ "nlines", 1, 0, 'n' },
-		{ "width",  1, 0, 'w' },
-		{ "tree-parent-column", 1, 0, 'p' },
-		{ "tree-id-column",	1, 0, 'i' },
-		{ "json",   0, 0, 'J' },
-		{ "raw",    0, 0, 'r' },
-		{ "export", 0, 0, 'E' },
-		{ "colsep",  1, 0, 'C' },
-		{ "help",   0, 0, 'h' },
-		{ NULL, 0, 0, 0 },
+		{ "maxout", 0, NULL, 'm' },
+		{ "column", 1, NULL, 'c' },
+		{ "nlines", 1, NULL, 'n' },
+		{ "width",  1, NULL, 'w' },
+		{ "tree-parent-column", 1, NULL, 'p' },
+		{ "tree-id-column",	1, NULL, 'i' },
+		{ "json",   0, NULL, 'J' },
+		{ "raw",    0, NULL, 'r' },
+		{ "export", 0, NULL, 'E' },
+		{ "colsep",  1, NULL, 'C' },
+		{ "help",   0, NULL, 'h' },
+		{ NULL, 0, NULL, 0 },
 	};
 
 	static const ul_excl_t excl[] = {       /* rows and cols in ASCII order */
diff --git a/libsmartcols/samples/title.c b/libsmartcols/samples/title.c
index 852316095..2d33b563a 100644
--- a/libsmartcols/samples/title.c
+++ b/libsmartcols/samples/title.c
@@ -60,9 +60,9 @@ int main(int argc, char *argv[])
 	int c;
 
 	static const struct option longopts[] = {
-		{ "maxout", 0, 0, 'm' },
-		{ "width",  1, 0, 'w' },
-		{ NULL, 0, 0, 0 },
+		{ "maxout", 0, NULL, 'm' },
+		{ "width",  1, NULL, 'w' },
+		{ NULL, 0, NULL, 0 },
 	};
 
 	setlocale(LC_ALL, "");	/* just to have enable UTF8 chars */
diff --git a/libsmartcols/samples/tree.c b/libsmartcols/samples/tree.c
index c809b2d85..fcb175135 100644
--- a/libsmartcols/samples/tree.c
+++ b/libsmartcols/samples/tree.c
@@ -162,16 +162,16 @@ int main(int argc, char *argv[])
 
 
 	static const struct option longopts[] = {
-		{ "ascii",	0, 0, 'i' },
-		{ "csv",        0, 0, 'c' },
-		{ "list",       0, 0, 'l' },
-		{ "noheadings",	0, 0, 'n' },
-		{ "pairs",      0, 0, 'p' },
-		{ "json",       0, 0, 'J' },
-		{ "raw",        0, 0, 'r' },
-		{ "range-start",1, 0, 'S' },
-		{ "range-end",  1, 0, 'E' },
-		{ NULL, 0, 0, 0 },
+		{ "ascii",	0, NULL, 'i' },
+		{ "csv",        0, NULL, 'c' },
+		{ "list",       0, NULL, 'l' },
+		{ "noheadings",	0, NULL, 'n' },
+		{ "pairs",      0, NULL, 'p' },
+		{ "json",       0, NULL, 'J' },
+		{ "raw",        0, NULL, 'r' },
+		{ "range-start",1, NULL, 'S' },
+		{ "range-end",  1, NULL, 'E' },
+		{ NULL, 0, NULL, 0 },
 	};
 
 	setlocale(LC_ALL, "");	/* just to have enable UTF8 chars */