commit a1bc3bf207c64e2a26d8a7a3c20dd960e0e5c545

Author: Jan Rybar <jrybar@redhat.com>

Date:   Thu May 6 16:30:54 2021 +0200

    Coverity scan findings - memleaks, unused vars, potential nullptr dereferences

diff --git a/lib/test_process.c b/lib/test_process.c

index e20b270d..f8ff5ed0 100644

--- a/lib/test_process.c

+++ b/lib/test_process.c

@@ -69,6 +69,7 @@ signal_handler(int signum, siginfo_t *siginfo, void *ucontext)

 	    exit(EXIT_FAILURE);

     }

+    free(signame);

 }

 int main(int argc, char *argv[])

diff --git a/pmap.c b/pmap.c

index 49a2a6a8..d8565fc3 100644

--- a/pmap.c

+++ b/pmap.c

@@ -346,6 +346,9 @@ static void print_extended_maps (FILE *f)

 			if (listnode == NULL) {

 				assert(firstmapping == 2);

 				listnode = calloc(1, sizeof *listnode);

+				if (listnode == NULL)

+					xerrx(EXIT_FAILURE, _("ERROR: memory allocation failed"));

+

 				if (listhead == NULL) {

 					assert(listtail == NULL);

 					listhead = listnode;

diff --git a/watch.c b/watch.c

index 1a95454e..772879cd 100644

--- a/watch.c

+++ b/watch.c

@@ -124,8 +124,6 @@ static void reset_ansi(void)

 static void init_ansi_colors(void)

 {

-	int color;

-

 	short ncurses_colors[] = {

 		-1, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_YELLOW,

 		COLOR_BLUE, COLOR_MAGENTA, COLOR_CYAN, COLOR_WHITE

@@ -172,6 +170,9 @@ static int process_ansi_color_escape_sequence(char** escape_sequence) {

 	// ESC[ 48;2;⟨r⟩;⟨g⟩;⟨b⟩ m Select RGB background color

 	int num;

+	if (!escape_sequence)

+		return 0; /* avoid NULLPTR dereference, return "not understood" */

+

 	if ((*escape_sequence)[0] != ';')

 		return 0; /* not understood */