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drivers/at: at_readline_stop_at_str fix remaining buffer length

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This commit is contained in:
Fabian Hüßler 2025-02-05 20:24:24 +01:00
parent 85a09681bc
commit 5633a19a37
1 changed files with 3 additions and 2 deletions
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5
drivers/at/at.c
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@ -513,7 +513,6 @@ static ssize_t at_readline_stop_at_str(at_dev_t *dev, char *resp_buf, size_t len
} }
resp_pos++; resp_pos++;
len--;
if ((size_t)(resp_pos - resp_buf) >= strlen(AT_RECV_EOL)) { if ((size_t)(resp_pos - resp_buf) >= strlen(AT_RECV_EOL)) {
char *const eol_begin = resp_pos - strlen(AT_RECV_EOL); char *const eol_begin = resp_pos - strlen(AT_RECV_EOL);
@ -534,8 +533,10 @@ static ssize_t at_readline_stop_at_str(at_dev_t *dev, char *resp_buf, size_t len
substr_p++; substr_p++;
} }
} }
len--;
} }
if (len <= 1) { if (len == 1) {
return -ENOBUFS; return -ENOBUFS;
} }
if (res < 0) { if (res < 0) {