From: Benedikt Morbach <[email protected]>

No new behaviour introduced, everything should work exactly as before.

Dan: refactored to use the single alpm_depend_t structure.

Signed-off-by: Benedikt Morbach <[email protected]>
Signed-off-by: Dan McGee <[email protected]>
---
 lib/libalpm/alpm.h       |    2 +-
 lib/libalpm/be_local.c   |    6 ++--
 lib/libalpm/be_package.c |    5 +--
 lib/libalpm/be_sync.c    |    2 +-
 lib/libalpm/package.c    |    4 +--
 src/pacman/package.c     |   18 +++++++++--
 src/pacman/util.c        |   79 +++++++++++++++++++++++++++++++++++++++-------
 7 files changed, 94 insertions(+), 22 deletions(-)

diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index 8a418dc..a6b7c78 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -820,7 +820,7 @@ alpm_list_t *alpm_pkg_get_depends(alpm_pkg_t *pkg);
 
 /** Returns the list of package optional dependencies.
  * @param pkg a pointer to package
- * @return a reference to an internal list of strings.
+ * @return a reference to an internal list of alpm_depend_t structures.
  */
 alpm_list_t *alpm_pkg_get_optdepends(alpm_pkg_t *pkg);
 
diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index 20b7895..0d423fa 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -611,7 +611,7 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t 
inforeq)
                        } else if(strcmp(line, "%DEPENDS%") == 0) {
                                READ_AND_SPLITDEP(info->depends);
                        } else if(strcmp(line, "%OPTDEPENDS%") == 0) {
-                               READ_AND_STORE_ALL(info->optdepends);
+                               READ_AND_SPLITDEP(info->optdepends);
                        } else if(strcmp(line, "%CONFLICTS%") == 0) {
                                READ_AND_SPLITDEP(info->conflicts);
                        } else if(strcmp(line, "%PROVIDES%") == 0) {
@@ -829,7 +829,9 @@ int _alpm_local_db_write(alpm_db_t *db, alpm_pkg_t *info, 
alpm_dbinfrq_t inforeq
                if(info->optdepends) {
                        fputs("%OPTDEPENDS%\n", fp);
                        for(lp = info->optdepends; lp; lp = lp->next) {
-                               fprintf(fp, "%s\n", (char *)lp->data);
+                               char *optstring = 
alpm_dep_compute_string(lp->data);
+                               fprintf(fp, "%s\n", optstring);
+                               free(optstring);
                        }
                        fprintf(fp, "\n");
                }
diff --git a/lib/libalpm/be_package.c b/lib/libalpm/be_package.c
index 4008195..c076f61 100644
--- a/lib/libalpm/be_package.c
+++ b/lib/libalpm/be_package.c
@@ -36,7 +36,7 @@
 #include "log.h"
 #include "handle.h"
 #include "package.h"
-#include "deps.h" /* _alpm_splitdep */
+#include "deps.h"
 
 struct package_changelog {
        struct archive *archive;
@@ -214,7 +214,8 @@ static int parse_descfile(alpm_handle_t *handle, struct 
archive *a, alpm_pkg_t *
                                alpm_depend_t *dep = _alpm_splitdep(ptr);
                                newpkg->depends = 
alpm_list_add(newpkg->depends, dep);
                        } else if(strcmp(key, "optdepend") == 0) {
-                               newpkg->optdepends = 
alpm_list_add(newpkg->optdepends, strdup(ptr));
+                               alpm_depend_t *optdep = _alpm_splitdep(ptr);
+                               newpkg->optdepends = 
alpm_list_add(newpkg->optdepends, optdep);
                        } else if(strcmp(key, "conflict") == 0) {
                                alpm_depend_t *conflict = _alpm_splitdep(ptr);
                                newpkg->conflicts = 
alpm_list_add(newpkg->conflicts, conflict);
diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
index b7b2acd..c403203 100644
--- a/lib/libalpm/be_sync.c
+++ b/lib/libalpm/be_sync.c
@@ -566,7 +566,7 @@ static int sync_db_read(alpm_db_t *db, struct archive 
*archive,
                        } else if(strcmp(line, "%DEPENDS%") == 0) {
                                READ_AND_SPLITDEP(pkg->depends);
                        } else if(strcmp(line, "%OPTDEPENDS%") == 0) {
-                               READ_AND_STORE_ALL(pkg->optdepends);
+                               READ_AND_SPLITDEP(pkg->optdepends);
                        } else if(strcmp(line, "%CONFLICTS%") == 0) {
                                READ_AND_SPLITDEP(pkg->conflicts);
                        } else if(strcmp(line, "%PROVIDES%") == 0) {
diff --git a/lib/libalpm/package.c b/lib/libalpm/package.c
index f66c307..5b07563 100644
--- a/lib/libalpm/package.c
+++ b/lib/libalpm/package.c
@@ -522,7 +522,7 @@ int _alpm_pkg_dup(alpm_pkg_t *pkg, alpm_pkg_t **new_ptr)
                newpkg->backup = alpm_list_add(newpkg->backup, 
_alpm_backup_dup(i->data));
        }
        newpkg->depends    = list_depdup(pkg->depends);
-       newpkg->optdepends = alpm_list_strdup(pkg->optdepends);
+       newpkg->optdepends = list_depdup(pkg->optdepends);
        newpkg->conflicts  = list_depdup(pkg->conflicts);
        newpkg->provides   = list_depdup(pkg->provides);
        for(i = pkg->deltas; i; i = i->next) {
@@ -597,7 +597,7 @@ void _alpm_pkg_free(alpm_pkg_t *pkg)
        alpm_list_free_inner(pkg->backup, (alpm_list_fn_free)_alpm_backup_free);
        alpm_list_free(pkg->backup);
        free_deplist(pkg->depends);
-       FREELIST(pkg->optdepends);
+       free_deplist(pkg->optdepends);
        free_deplist(pkg->conflicts);
        free_deplist(pkg->provides);
        alpm_list_free_inner(pkg->deltas, (alpm_list_fn_free)_alpm_delta_free);
diff --git a/src/pacman/package.c b/src/pacman/package.c
index bef91e2..54c035c 100644
--- a/src/pacman/package.c
+++ b/src/pacman/package.c
@@ -38,7 +38,6 @@
 
 /** Turn a depends list into a text list.
  * @param deps a list with items of type alpm_depend_t
- * @return a string list, must be freed
  */
 static void deplist_display(const char *title,
                alpm_list_t *deps)
@@ -52,6 +51,21 @@ static void deplist_display(const char *title,
        FREELIST(text);
 }
 
+/** Turn a optdepends list into a text list.
+ * @param optdeps a list with items of type alpm_optdepend_t
+ */
+static void optdeplist_display(const char *title,
+               alpm_list_t *optdeps)
+{
+       alpm_list_t *i, *text = NULL;
+       for(i = optdeps; i; i = alpm_list_next(i)) {
+               alpm_depend_t *optdep = i->data;
+               text = alpm_list_add(text, alpm_dep_compute_string(optdep));
+       }
+       list_display_linebreak(title, text);
+       FREELIST(text);
+}
+
 /**
  * Display the details of a package.
  * Extra information entails 'required by' info for sync packages and backup
@@ -111,7 +125,7 @@ void dump_pkg_full(alpm_pkg_t *pkg, int extra)
        list_display(_("Groups         :"), alpm_pkg_get_groups(pkg));
        deplist_display(_("Provides       :"), alpm_pkg_get_provides(pkg));
        deplist_display(_("Depends On     :"), alpm_pkg_get_depends(pkg));
-       list_display_linebreak(_("Optional Deps  :"), 
alpm_pkg_get_optdepends(pkg));
+       optdeplist_display(_("Optional Deps  :"), alpm_pkg_get_optdepends(pkg));
        if(extra || from == PKG_FROM_LOCALDB) {
                list_display(_("Required By    :"), requiredby);
        }
diff --git a/src/pacman/util.c b/src/pacman/util.c
index 1d9049e..7be3dc5 100644
--- a/src/pacman/util.c
+++ b/src/pacman/util.c
@@ -1151,32 +1151,87 @@ void print_packages(const alpm_list_t *packages)
        }
 }
 
-/* Helper function for comparing strings using the
- * alpm "compare func" signature */
-int str_cmp(const void *s1, const void *s2)
+/**
+ * Helper function for comparing depends using the alpm "compare func"
+ * signature. The function descends through the structure in the following
+ * comparison order: name, modifier (e.g., '>', '='), version, description.
+ * @param d1 the first depend structure
+ * @param d2 the second depend structure
+ * @return -1, 0, or 1 if first is <, ==, or > second
+ */
+static int depend_cmp(const void *d1, const void *d2)
 {
-       return strcmp(s1, s2);
+       const alpm_depend_t *dep1 = d1;
+       const alpm_depend_t *dep2 = d2;
+       int ret;
+
+       ret = strcmp(dep1->name, dep2->name);
+       if(ret == 0) {
+               ret = dep1->mod - dep2->mod;
+       }
+       if(ret == 0) {
+               if(dep1->version && dep2->version) {
+                       ret = strcmp(dep1->version, dep2->version);
+               } else if(!dep1->version && dep2->version) {
+                       ret = -1;
+               } else if(dep1->version && !dep2->version) {
+                       ret = 1;
+               }
+       }
+       if(ret == 0) {
+               if(dep1->desc && dep2->desc) {
+                       ret = strcmp(dep1->desc, dep2->desc);
+               } else if(!dep1->desc && dep2->desc) {
+                       ret = -1;
+               } else if(dep1->desc && !dep2->desc) {
+                       ret = 1;
+               }
+       }
+
+       return ret;
 }
 
 void display_new_optdepends(alpm_pkg_t *oldpkg, alpm_pkg_t *newpkg)
 {
-       alpm_list_t *old = alpm_pkg_get_optdepends(oldpkg);
-       alpm_list_t *new = alpm_pkg_get_optdepends(newpkg);
-       alpm_list_t *optdeps = alpm_list_diff(new,old,str_cmp);
-       if(optdeps) {
+       alpm_list_t *i, *old, *new, *optdeps, *optstrings = NULL;
+
+       old = alpm_pkg_get_optdepends(oldpkg);
+       new = alpm_pkg_get_optdepends(newpkg);
+       optdeps = alpm_list_diff(new, old, depend_cmp);
+
+       /* turn optdepends list into a text list */
+       for(i = optdeps; i; i = alpm_list_next(i)) {
+               alpm_depend_t *optdep = i->data;
+               optstrings = alpm_list_add(optstrings, 
alpm_dep_compute_string(optdep));
+       }
+
+       if(optstrings) {
                printf(_("New optional dependencies for %s\n"), 
alpm_pkg_get_name(newpkg));
-               list_display_linebreak("   ", optdeps);
+               list_display_linebreak("   ", optstrings);
        }
+
        alpm_list_free(optdeps);
+       FREELIST(optstrings);
 }
 
 void display_optdepends(alpm_pkg_t *pkg)
 {
-       alpm_list_t *optdeps = alpm_pkg_get_optdepends(pkg);
-       if(optdeps) {
+       alpm_list_t *i, *optdeps, *optstrings = NULL;
+
+       optdeps = alpm_pkg_get_optdepends(pkg);
+
+       /* turn optdepends list into a text list */
+       for(i = optdeps; i; i = alpm_list_next(i)) {
+               alpm_depend_t *optdep = i->data;
+               optstrings = alpm_list_add(optstrings, 
alpm_dep_compute_string(optdep));
+       }
+
+       if(optstrings) {
                printf(_("Optional dependencies for %s\n"), 
alpm_pkg_get_name(pkg));
-               list_display_linebreak("   ", optdeps);
+               list_display_linebreak("   ", optstrings);
        }
+
+       FREELIST(optstrings);
 }
 
 static void display_repo_list(const char *dbname, alpm_list_t *list)
-- 
1.7.9.3


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