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songvec: simplified compare_tag_item() 

Moved some code to tag_get_value_checked(), to eliminate several NULL
checks.
This commit is contained in:
Max Kellermann 2009-10-31 17:32:00 +01:00
parent 25a806a347
commit d099a7e464
1 changed files with 10 additions and 8 deletions
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18
src/songvec.c
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@ -29,6 +29,14 @@
static GMutex *nr_lock = NULL;
static const char *
tag_get_value_checked(const struct tag *tag, enum tag_type type)
{
return tag != NULL
? tag_get_value(tag, type)
: NULL;
}
/**
* Compare two tag values which should contain an integer value
* (e.g. disc or track number). Either one may be NULL.
@ -51,14 +59,8 @@ compare_number_string(const char *a, const char *b)
static int
compare_tag_item(const struct tag *a, const struct tag *b, enum tag_type type)
{
if (a == NULL)
return b == NULL ? 0 : -1;
if (b == NULL)
return 1;
return compare_number_string(tag_get_value(a, type),
tag_get_value(b, type));
return compare_number_string(tag_get_value_checked(a, type),
tag_get_value_checked(b, type));
}
/* Only used for sorting/searchin a songvec, not general purpose compares */