From 061ffc30ea899c3ed77004065d3958f19e3bb884 Mon Sep 17 00:00:00 2001
From: Nihal Jere <nihal@nihaljere.xyz>
Date: Fri, 25 Feb 2022 11:40:04 -0600
Subject: swaynag: die on all allocation failures

---
 swaynag/config.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'swaynag/config.c')

diff --git a/swaynag/config.c b/swaynag/config.c
index ede0938c..73fc41c8 100644
--- a/swaynag/config.c
+++ b/swaynag/config.c
@@ -19,6 +19,10 @@ static char *read_from_stdin(void) {
 	ssize_t nread;
 	while ((nread = getline(&line, &line_size, stdin)) != -1) {
 		buffer = realloc(buffer, buffer_len + nread + 1);
+		if (!buffer) {
+			perror("realloc");
+			return NULL;
+		}
 		snprintf(&buffer[buffer_len], nread + 1, "%s", line);
 		buffer_len += nread;
 	}
@@ -152,6 +156,10 @@ int swaynag_parse_options(int argc, char **argv, struct swaynag *swaynag,
 				}
 				struct swaynag_button *button;
 				button = calloc(sizeof(struct swaynag_button), 1);
+				if (!button) {
+					perror("calloc");
+					return EXIT_FAILURE;
+				}
 				button->text = strdup(optarg);
 				button->type = SWAYNAG_ACTION_COMMAND;
 				button->action = strdup(argv[optind]);
@@ -215,6 +223,9 @@ int swaynag_parse_options(int argc, char **argv, struct swaynag *swaynag,
 			if (swaynag) {
 				free(swaynag->details.message);
 				swaynag->details.message = read_from_stdin();
+				if (!swaynag->details.message) {
+					return EXIT_FAILURE;
+				}
 				swaynag->details.button_up.text = strdup("▲");
 				swaynag->details.button_down.text = strdup("▼");
 			}
@@ -406,6 +417,10 @@ int swaynag_load_config(char *path, struct swaynag *swaynag, list_t *types) {
 				break;
 			}
 			char *name = calloc(1, close - line);
+			if (!name) {
+				perror("calloc");
+				return EXIT_FAILURE;
+			}
 			strncat(name, line + 1, close - line - 1);
 			type = swaynag_type_get(types, name);
 			if (!type) {
@@ -415,6 +430,10 @@ int swaynag_load_config(char *path, struct swaynag *swaynag, list_t *types) {
 			free(name);
 		} else {
 			char *flag = malloc(nread + 3);
+			if (!flag) {
+				perror("calloc");
+				return EXIT_FAILURE;
+			}
 			snprintf(flag, nread + 3, "--%s", line);
 			char *argv[] = {"swaynag", flag};
 			result = swaynag_parse_options(2, argv, swaynag, types, type,
-- 
cgit v1.2.3-54-g00ecf