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azbox: terminate string in video/proc_get

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Stefan Seyfried
2012-06-23 23:39:31 +02:00
parent 0ac7346489
commit ab2140161a
1 changed files with 6 additions and 2 deletions
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8
azbox/video.cpp
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@@ -89,8 +89,12 @@ static int proc_get(const char *path, char *value, const int len)
return pfd;
ret = read(pfd, value, len);
value[len-1] = '\0'; /* make sure string is terminated */
while (ret > 0 && isspace(value[ret-1]))
value[--ret] = '\0'; /* remove trailing whitespace */
if (ret >= 0)
{
while (ret > 0 && isspace(value[ret-1]))
ret--; /* remove trailing whitespace */
value[ret] = '\0'; /* terminate, even if ret = 0 */
}
ret2 = close(pfd);
if (ret2 < 0)
return ret2;