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dfs.c: fix null pointer bug.

This commit is contained in:
geniusgogo 2013-04-01 02:31:24 +08:00
parent 9a6009e726
commit ec6f9e3b5a
1 changed files with 6 additions and 0 deletions
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6
components/dfs/src/dfs.c
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@ -304,6 +304,9 @@ char *dfs_normalize_path(const char *directory, const char *filename)
{
fullpath = rt_malloc(strlen(directory) + strlen(filename) + 2);
if (fullpath == RT_NULL)
return RT_NULL;
/* join path and file name */
rt_snprintf(fullpath, strlen(directory) + strlen(filename) + 2,
"%s/%s", directory, filename);
@ -311,6 +314,9 @@ char *dfs_normalize_path(const char *directory, const char *filename)
else
{
fullpath = rt_strdup(filename); /* copy string */
if (fullpath == RT_NULL)
return RT_NULL;
}
src = fullpath;