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check input params in exported functions

This commit is contained in:
Tim Ruehsen 2014-03-29 18:01:03 +01:00
parent acb06542c9
commit 9d2fde5fce
1 changed files with 8 additions and 2 deletions
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10
src/psl.c
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@ -234,6 +234,9 @@ int psl_is_public(const psl_ctx_t *psl, const char *domain)
const char *p, *label_bak; const char *p, *label_bak;
unsigned short length_bak; unsigned short length_bak;
if (!psl || !domain)
return 0;
// this function should be called without leading dots, just make sure // this function should be called without leading dots, just make sure
suffix.label = domain + (*domain == '.'); suffix.label = domain + (*domain == '.');
suffix.length = strlen(suffix.label); suffix.length = strlen(suffix.label);
@ -360,6 +363,9 @@ psl_ctx_t *psl_load_file(const char *fname)
FILE *fp; FILE *fp;
psl_ctx_t *psl = NULL; psl_ctx_t *psl = NULL;
if (!fname)
return NULL;
if ((fp = fopen(fname, "r"))) { if ((fp = fopen(fname, "r"))) {
psl = psl_load_fp(fp); psl = psl_load_fp(fp);
fclose(fp); fclose(fp);
@ -438,7 +444,7 @@ int psl_suffix_count(const psl_ctx_t *psl)
{ {
if (psl == &_builtin_psl) if (psl == &_builtin_psl)
return countof(suffixes); return countof(suffixes);
else else if (psl)
return _vector_size(psl->suffixes); return _vector_size(psl->suffixes);
} }
@ -447,7 +453,7 @@ int psl_suffix_exception_count(const psl_ctx_t *psl)
{ {
if (psl == &_builtin_psl) if (psl == &_builtin_psl)
return countof(suffix_exceptions); return countof(suffix_exceptions);
else else if (psl)
return _vector_size(psl->suffix_exceptions); return _vector_size(psl->suffix_exceptions);
} }