jp9000/obs-studio
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

libobs/util: Fix copy sizes in dstr_insert_* functions

Browse Source 
These functions would copy the wrong amount of data, resulting in
writing to memory that may not be allocated.
This commit is contained in:
jp9000
2016-03-15 20:20:23 -07:00
parent ae8b4bc538
commit e9a814740b
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
libobs/util/dstr.c
View File

@@ -432,10 +432,11 @@ void dstr_insert(struct dstr *dst, const size_t idx, const char *array)
new_len = dst->len + len;
dstr_ensure_capacity(dst, new_len + 1);
dst->len = new_len;
memmove(dst->array+idx+len, dst->array+idx, dst->len - idx + 1);
memcpy(dst->array+idx, array, len);
dst->len = new_len;
}
void dstr_insert_dstr(struct dstr *dst, const size_t idx,
@@ -452,10 +453,11 @@ void dstr_insert_dstr(struct dstr *dst, const size_t idx,
new_len = dst->len + str->len;
dstr_ensure_capacity(dst, (new_len+1));
dst->len = new_len;
memmove(dst->array+idx+str->len, dst->array+idx, dst->len - idx + 1);
memcpy(dst->array+idx, str->array, str->len);
dst->len = new_len;
}
void dstr_insert_ch(struct dstr *dst, const size_t idx, const char ch)