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Merge branch 'bugfix/console_cmd_register' into 'master'

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console: initialize buf_size before calling open_memstream

See merge request !1138
This commit is contained in:
Ivan Grokhotkov
2017-08-24 14:35:29 +08:00
parent 0ead095512 0ed64da963
commit e0e1c07bd1
1 changed files with 6 additions and 4 deletions
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6
components/console/commands.c
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@@ -105,11 +105,13 @@ esp_err_t esp_console_cmd_register(const esp_console_cmd_t *cmd)
asprintf(&item->hint, " %s", cmd->hint); asprintf(&item->hint, " %s", cmd->hint);
} else if (cmd->argtable) { } else if (cmd->argtable) {
/* Generate hint based on cmd->argtable */ /* Generate hint based on cmd->argtable */
char* buf; char* buf = NULL;
size_t buf_size; size_t buf_size = 0;
FILE* f = open_memstream(&buf, &buf_size); FILE* f = open_memstream(&buf, &buf_size);
if (f != NULL) {
arg_print_syntax(f, cmd->argtable, NULL); arg_print_syntax(f, cmd->argtable, NULL);
fclose(f); fclose(f);
}
item->hint = buf; item->hint = buf;
} }
item->argtable = cmd->argtable; item->argtable = cmd->argtable;