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fixed strcat null possibility in main()

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Aaron Marcher 2016-08-15 13:08:34 +02:00 committed by Aaron Marcher (drkhsh)
parent df928892e8
commit 4170970c85
1 changed files with 4 additions and 0 deletions
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4
slstatus.c
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@ -689,6 +689,10 @@ main(void)
argument = args[i]; argument = args[i];
char *res = argument.func(argument.args); char *res = argument.func(argument.args);
char *element = smprintf(argument.format, res); char *element = smprintf(argument.format, res);
if (element == NULL) {
element = smprintf("n/a");
fprintf(stderr, "Failed to format output.");
}
strcat(status_string, element); strcat(status_string, element);
free(res); free(res);
free(element); free(element);