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libxbps: ABI/API break due to xbps_pkg{,pattern}_name changes.

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The funcs xbps_pkg_name() and xbps_pkgpattern_name() were
using malloc(3) to return the result, until now.

They now have been changed to not allocate the result
via malloc, the caller is responsible to provide a buffer
at least of XBPS_NAME_SIZE (64).

If for whatever reason the pkgname can't be guessed,
returns false. This should avoid lots of small allocs
around libxbps.

New functions have the following prototype:

bool xbps_pkg_name(char *dst, size_t len, const char *pkg)
bool xbps_pkgpattern_name(char *dst, size_t len, const char *pkg)

as suggested by @duncaen.
This commit is contained in:
Juan RP
2020-02-08 19:31:29 +01:00
parent 1cda3017c3
commit 6010a24de6
35 changed files with 377 additions and 435 deletions
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8
lib/transaction_prepare.c
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@ -131,12 +131,12 @@ compute_transaction_stats(struct xbps_handle *xhp)
*/
if ((strcmp(tract, "remove") == 0) ||
((strcmp(tract, "update") == 0) && !preserve)) {
char *pkgname;
char pkgname[XBPS_NAME_SIZE];
pkgname = xbps_pkg_name(pkgver);
assert(pkgname);
if (!xbps_pkg_name(pkgname, XBPS_NAME_SIZE, pkgver)) {
abort();
}
pkg_metad = xbps_pkgdb_get_pkg(xhp, pkgname);
free(pkgname);
if (pkg_metad == NULL)
continue;
xbps_dictionary_get_uint64(pkg_metad,