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[leds] Check return value of fscanf

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This commit is contained in:
Witold Filipczyk 2022-06-24 22:03:07 +02:00
parent ad646029e3
commit 32afb683f2
1 changed files with 10 additions and 2 deletions
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12
src/bfu/leds.c
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@ -217,6 +217,7 @@ draw_temperature_node(struct session *ses, int xpos, int ypos, unsigned int node
struct terminal *term = ses->tab->term; struct terminal *term = ses->tab->term;
FILE *f; FILE *f;
int temp = 0; int temp = 0;
int ret;
struct string text; struct string text;
int i; int i;
int length; int length;
@ -224,9 +225,16 @@ draw_temperature_node(struct session *ses, int xpos, int ypos, unsigned int node
f = fopen(get_leds_temperature_filename(), "r"); f = fopen(get_leds_temperature_filename(), "r");
if (!f) return 0; if (!f) {
fscanf(f, "%d", &temp); return 0;
}
ret = fscanf(f, "%d", &temp);
fclose(f); fclose(f);
if (ret < 1) {
return 0;
}
if (!init_string(&text)) { if (!init_string(&text)) {
return 0; return 0;
} }