Location of name cache now follows XDG base dir specification

We also create parent directories of net.cache_name automatically.

Tilde expansion is performed internally and it does not change
user-

Location of name cache now follows XDG base dir specification

We also create parent directories of net.cache_name automatically.

Tilde expansion is performed internally and it does not change
user-specified net.cache_name any longer.

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Update license comments and added SPDX license identifiers

Previously, the only information about the specific version of GPL
was present in the README and individual source files mentioned only
GPL

Update license comments and added SPDX license identifiers

Previously, the only information about the specific version of GPL
was present in the README and individual source files mentioned only
GPL alone.

Let us update all copyright comments to explicitly say "GPL v2+"
and also include the machine readable SPDX license identifier.

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Fixed memory allocation bug in name cache path code

Fix small memory leak in names-cache

Signed-off-by: Tomáš Chvátal <[email protected]>
---
lib/names-cache.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/names-cache.c b/

Fix small memory leak in names-cache

Signed-off-by: Tomáš Chvátal <[email protected]>
---
lib/names-cache.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/names-cache.c b/lib/names-cache.c
index 90a6454..c97ea30 100644
--- a/lib/names-cache.c
+++ b/lib/names-cache.c
@@ -39,7 +39,8 @@ static char *get_cache_name(struct pci_access *a)
buf = pci_malloc(a, strlen(pw->pw_dir) + strlen(name+1) + 1);
sprintf(buf, "%s%s", pw->pw_dir, name+1);
pci_set_param_internal(a, "net.cache_name", buf, 0);
- return buf;
+ pci_mfree(buf);
+ return pci_get_param(a, "net.cache_name");
}

int
--
2.1.3

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Do not include <pwd.h> et al. unless PCI_USE_DNS

Solves compilation problems on Windows.

Renamed `net.cache_path' to `net.cache_name', it's more logical.

Settings of the resolving and caching mechanism are now passed as parameters.

Writes to the cache file are no longer racy.

Use DNS on all architectures except AIX.

Split handling of the ID list to several files.