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commit a1bc3bf207c64e2a26d8a7a3c20dd960e0e5c545
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Author: Jan Rybar <jrybar@redhat.com>
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Date: Thu May 6 16:30:54 2021 +0200
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Coverity scan findings - memleaks, unused vars, potential nullptr dereferences
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diff --git a/lib/test_process.c b/lib/test_process.c
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index e20b270d..f8ff5ed0 100644
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--- a/lib/test_process.c
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+++ b/lib/test_process.c
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@@ -69,6 +69,7 @@ signal_handler(int signum, siginfo_t *siginfo, void *ucontext)
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exit(EXIT_FAILURE);
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}
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+ free(signame);
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}
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int main(int argc, char *argv[])
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diff --git a/pmap.c b/pmap.c
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index 49a2a6a8..d8565fc3 100644
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--- a/pmap.c
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+++ b/pmap.c
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@@ -346,6 +346,9 @@ static void print_extended_maps (FILE *f)
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if (listnode == NULL) {
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assert(firstmapping == 2);
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listnode = calloc(1, sizeof *listnode);
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+ if (listnode == NULL)
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+ xerrx(EXIT_FAILURE, _("ERROR: memory allocation failed"));
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+
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if (listhead == NULL) {
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assert(listtail == NULL);
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listhead = listnode;
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diff --git a/watch.c b/watch.c
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index 1a95454e..772879cd 100644
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--- a/watch.c
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+++ b/watch.c
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@@ -124,8 +124,6 @@ static void reset_ansi(void)
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static void init_ansi_colors(void)
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{
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- int color;
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-
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short ncurses_colors[] = {
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-1, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_YELLOW,
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COLOR_BLUE, COLOR_MAGENTA, COLOR_CYAN, COLOR_WHITE
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@@ -172,6 +170,9 @@ static int process_ansi_color_escape_sequence(char** escape_sequence) {
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// ESC[ 48;2;⟨r⟩;⟨g⟩;⟨b⟩ m Select RGB background color
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int num;
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+ if (!escape_sequence)
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+ return 0; /* avoid NULLPTR dereference, return "not understood" */
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+
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if ((*escape_sequence)[0] != ';')
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return 0; /* not understood */
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