Public/mxml
1
0
Fork 0
mirror of https://gitea.psi.ch/ELOG/mxml.git synced 2026-09-09 01:23:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix memory corruption - mxml_write_line() did not allocate sufficient buffer space for the given string length

Browse Source
This commit is contained in:
Konstantin Olchanski 2017-11-02 11:44:55 -07:00
parent 20b4610931
commit c1800348bd
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
mxml.c
View File

@ -170,14 +170,15 @@ void mxml_deallocate(void)
int mxml_write_line(MXML_WRITER *writer, const char *line)
{
int len;
unsigned len;
len = (int)strlen(line);
len = strlen(line);
if (writer->buffer) {
if (writer->buffer_len + len >= writer->buffer_size) {
writer->buffer_size += 10000;
writer->buffer_size += len + 10000;
writer->buffer = (char *)mxml_realloc(writer->buffer, writer->buffer_size);
assert(writer->buffer);
}
strcpy(writer->buffer + writer->buffer_len, line);
writer->buffer_len += len;