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version: fix remaining version comparisons 

even more corner cases found which were broke. now all tests
should pass.
cute-signatures
Timo Teras 2009-11-06 13:21:00 +02:00
parent 48930b9fe0
commit ff45ff3152
1 changed files with 9 additions and 7 deletions
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16
src/version.c
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@ -104,17 +104,15 @@ static int get_token(int *type, apk_blob_t *blob)
case TOKEN_SUFFIX:
for (v = 0; v < ARRAY_SIZE(pre_suffixes); v++) {
i = strlen(pre_suffixes[v]);
if (i < blob->len &&
if (i <= blob->len &&
strncmp(pre_suffixes[v], blob->ptr, i) == 0)
break;
}
if (v < ARRAY_SIZE(pre_suffixes)) {
nt = TOKEN_SUFFIX_NO;
v = v - ARRAY_SIZE(pre_suffixes);
break;
}
if (strncmp("p", blob->ptr, 1) == 0) {
nt = TOKEN_SUFFIX_NO;
v = 1;
break;
}
@ -125,7 +123,9 @@ static int get_token(int *type, apk_blob_t *blob)
}
blob->ptr += i;
blob->len -= i;
if (nt != TOKEN_INVALID)
if (blob->len == 0)
*type = TOKEN_END;
else if (nt != TOKEN_INVALID)
*type = nt;
else
next_token(type, blob);
@ -181,7 +181,7 @@ int apk_version_validate(apk_blob_t ver)
int apk_version_compare_blob(apk_blob_t a, apk_blob_t b)
{
int at = TOKEN_DIGIT, bt = TOKEN_DIGIT;
int at = TOKEN_DIGIT, bt = TOKEN_DIGIT, tt;
int av = 0, bv = 0;
if (APK_BLOB_IS_NULL(a) || APK_BLOB_IS_NULL(b)) {
@ -214,9 +214,11 @@ int apk_version_compare_blob(apk_blob_t a, apk_blob_t b)
/* leading version components and their values are equal,
* now the non-terminating version is greater unless it's a suffix
* indicating pre-release */
if (at == TOKEN_SUFFIX && get_token(&at, &a) < 0)
tt = at;
if (at == TOKEN_SUFFIX && get_token(&tt, &a) < 0)
return APK_VERSION_LESS;
if (bt == TOKEN_SUFFIX && get_token(&bt, &b) < 0)
tt = bt;
if (bt == TOKEN_SUFFIX && get_token(&tt, &b) < 0)
return APK_VERSION_GREATER;
if (at > bt)
return APK_VERSION_LESS;