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Implement and use an xstrdup() function

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Many places in dtc use strdup(), but none of them actually check the
return value to see if the implied allocation succeeded.  This is a
potential bug, which we fix in the patch below by replacing strdup()
with an xstrdup() which in analogy to xmalloc() will quit with a fatal
error if the allocation fails.

I felt the introduciton of util.[ch] was a better choice
for utility oriented code than directly using srcpos.c
for the new string function.

This patch is a re-factoring of Dave Gibson's similar patch.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
This commit is contained in:
Jon Loeliger 2008-10-03 11:12:33 -05:00
parent 68f98d7b8a
commit 879e4d2590
10 changed files with 82 additions and 18 deletions
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4
fstree.c
View file

@ -58,7 +58,7 @@ static struct node *read_fstree(const char *dirname)
"WARNING: Cannot open %s: %s\n",
tmpnam, strerror(errno));
} else {
prop = build_property(strdup(de->d_name),
prop = build_property(xstrdup(de->d_name),
data_copy_file(pfile,
st.st_size),
NULL);
@ -69,7 +69,7 @@ static struct node *read_fstree(const char *dirname)
struct node *newchild;
newchild = read_fstree(tmpnam);
newchild = name_node(newchild, strdup(de->d_name),
newchild = name_node(newchild, xstrdup(de->d_name),
NULL);
add_child(tree, newchild);
}