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Apply length limits and substitution even to literal formats.

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This commit is contained in:
nicm 2019-03-13 14:27:17 +00:00
parent 9032ac2a05
commit 49f04a997a
1 changed files with 1 additions and 1 deletions
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2
format.c
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@ -1293,6 +1293,7 @@ format_replace(struct format_tree *ft, const char *key, size_t keylen,
value = xstrdup(""); value = xstrdup("");
} }
done:
/* Expand again if required. */ /* Expand again if required. */
if (modifiers & FORMAT_EXPAND) { if (modifiers & FORMAT_EXPAND) {
new = format_expand(ft, value); new = format_expand(ft, value);
@ -1318,7 +1319,6 @@ format_replace(struct format_tree *ft, const char *key, size_t keylen,
value = new; value = new;
} }
done:
/* Expand the buffer and copy in the value. */ /* Expand the buffer and copy in the value. */
valuelen = strlen(value); valuelen = strlen(value);
while (*len - *off < valuelen + 1) { while (*len - *off < valuelen + 1) {