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Fix possible bufferoverflow with strncpy

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Mario Hüttel
2020-02-23 21:57:50 +01:00
parent fcbd1ae05e
commit 55b664b58f
1 changed files with 2 additions and 1 deletions
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stm-firmware/shell.c
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@@ -93,7 +93,8 @@ static shellmatta_retCode_t shell_cmd_digio_set(const shellmatta_handle_t hand
char buff[64]; char buff[64];
char *curr_token; char *curr_token;
strncpy(buff, arguments, sizeof(buff)); strncpy(buff, arguments, sizeof(buff)-1);
buff[63] = '\0';
curr_token = strtok(buff, " "); curr_token = strtok(buff, " ");
curr_token = strtok(NULL, " "); curr_token = strtok(NULL, " ");