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Allocate enough space for cmd_results->error

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kraftwerk28 2022-06-15 18:50:57 +03:00 committed by Simon Ser
parent 1c69d0e72f
commit 49cef51e6e
1 changed files with 10 additions and 4 deletions
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14
sway/commands.c
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@ -485,13 +485,19 @@ struct cmd_results *cmd_results_new(enum cmd_status status,
} }
results->status = status; results->status = status;
if (format) { if (format) {
char *error = malloc(256); char *error = NULL;
va_list args; va_list args;
va_start(args, format); va_start(args, format);
if (error) { int slen = vsnprintf(NULL, 0, format, args);
vsnprintf(error, 256, format, args);
}
va_end(args); va_end(args);
if (slen > 0) {
error = malloc(slen + 1);
if (error != NULL) {
va_start(args, format);
vsnprintf(error, slen + 1, format, args);
va_end(args);
}
}
results->error = error; results->error = error;
} else { } else {
results->error = NULL; results->error = NULL;