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add missing null pointer checks (#80)

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The result of copying a null pointer is undefined.
This commit is contained in:
Vlad-Ștefan Harbuz 2023-05-29 20:36:32 +01:00 committed by GitHub
parent d4c94500c4
commit 52e9c039c5
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1 changed files with 8 additions and 4 deletions
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toml.c
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@ -412,8 +412,10 @@ static void *expand(void *p, int sz, int newsz) {
if (!s) if (!s)
return 0; return 0;
memcpy(s, p, sz); if (p) {
FREE(p); memcpy(s, p, sz);
FREE(p);
}
return s; return s;
} }
@ -423,8 +425,10 @@ static void **expand_ptrarr(void **p, int n) {
return 0; return 0;
s[n] = 0; s[n] = 0;
memcpy(s, p, n * sizeof(void *)); if (p) {
FREE(p); memcpy(s, p, n * sizeof(void *));
FREE(p);
}
return s; return s;
} }