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GChecksum: accept NULL pointer with length 0

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Several GChecksum functions were incorrectly aborting when passed a NULL
data pointer, even if the length parameter was equal to zero.
This commit is contained in:
Ryan Lortie 2010-06-24 00:35:10 -04:00
parent f76c4d0629
commit fb94e65a64
1 changed files with 3 additions and 3 deletions
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6
glib/gchecksum.c
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@ -1240,7 +1240,7 @@ g_checksum_update (GChecksum *checksum,
gssize length)
{
g_return_if_fail (checksum != NULL);
g_return_if_fail (data != NULL);
g_return_if_fail (length == 0 || data != NULL);
if (length < 0)
length = strlen ((const gchar *) data);
@ -1415,7 +1415,7 @@ g_compute_checksum_for_data (GChecksumType checksum_type,
gchar *retval;
g_return_val_if_fail (IS_VALID_TYPE (checksum_type), NULL);
g_return_val_if_fail (data != NULL, NULL);
g_return_val_if_fail (length == 0 || data != NULL, NULL);
checksum = g_checksum_new (checksum_type);
if (!checksum)
@ -1449,7 +1449,7 @@ g_compute_checksum_for_string (GChecksumType checksum_type,
gssize length)
{
g_return_val_if_fail (IS_VALID_TYPE (checksum_type), NULL);
g_return_val_if_fail (str != NULL, NULL);
g_return_val_if_fail (length == 0 || str != NULL, NULL);
if (length < 0)
length = strlen (str);