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libdaemon: Fix an invalid memory read.

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This commit is contained in:
Petr Rockai 2013-10-08 23:19:11 +02:00
parent d888a0557e
commit 808a5d945e
1 changed files with 1 additions and 1 deletions
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libdaemon/client/daemon-io.c
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@ -38,7 +38,7 @@ int buffer_read(int fd, struct buffer *buffer) {
result = read(fd, buffer->mem + buffer->used, buffer->allocated - buffer->used);
if (result > 0) {
buffer->used += result;
if (!strncmp((buffer->mem) + buffer->used - 4, "\n##\n", 4)) {
if (buffer->used >= 4 && !strncmp((buffer->mem) + buffer->used - 4, "\n##\n", 4)) {
buffer->used -= 4;
buffer->mem[buffer->used] = 0;
break; /* success, we have the full message now */