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Merge branch 'at-overflow' into 'master'

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at: break before overflow when receiving messages

See merge request mobian1/devices/eg25-manager!40
This commit is contained in:
Arnaud Ferraris
2021-11-10 10:50:58 +00:00
parent 1f8fa88d37 a06360f4c8
commit d9725981bb
1 changed files with 7 additions and 0 deletions
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7
src/at.c
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@@ -245,7 +245,14 @@ static gboolean modem_response(gint fd,
*/ */
do { do {
ret = read(fd, tmp, sizeof(tmp)); ret = read(fd, tmp, sizeof(tmp));
if (ret > 0) { if (ret > 0) {
/* If we're going to overflow truncate the data we read to fit */
if (pos + ret >= sizeof(response)) {
g_critical("AT response buffer full, truncating");
ret = sizeof(response) - (pos + 1);
}
memcpy(&response[pos], tmp, ret); memcpy(&response[pos], tmp, ret);
pos += ret; pos += ret;
usleep(10000); usleep(10000);