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Diffstat (limited to 'lib/libalpm/deps.c')
-rw-r--r--lib/libalpm/deps.c98
1 files changed, 65 insertions, 33 deletions
diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
index 8d77fd46..d839c6b1 100644
--- a/lib/libalpm/deps.c
+++ b/lib/libalpm/deps.c
@@ -36,10 +36,19 @@
#include "cache.h"
#include "handle.h"
+void _alpm_dep_free(pmdepend_t *dep)
+{
+ FREE(dep->name);
+ FREE(dep->version);
+ FREE(dep);
+}
+
static pmgraph_t *_alpm_graph_new(void)
{
pmgraph_t *graph = NULL;
+ ALPM_LOG_FUNC;
+
MALLOC(graph, sizeof(pmgraph_t), RET_ERR(PM_ERR_MEMORY, NULL));
if(graph) {
@@ -59,8 +68,7 @@ static void _alpm_graph_free(void *data)
free(graph);
}
-pmdepmissing_t *_alpm_depmiss_new(const char *target, pmdepmod_t depmod,
- const char *depname, const char *depversion)
+pmdepmissing_t *_alpm_depmiss_new(const char *target, pmdepend_t *dep)
{
pmdepmissing_t *miss;
@@ -68,18 +76,19 @@ pmdepmissing_t *_alpm_depmiss_new(const char *target, pmdepmod_t depmod,
MALLOC(miss, sizeof(pmdepmissing_t), RET_ERR(PM_ERR_MEMORY, NULL));
- strncpy(miss->target, target, PKG_NAME_LEN);
- miss->depend.mod = depmod;
- strncpy(miss->depend.name, depname, PKG_NAME_LEN);
- if(depversion) {
- strncpy(miss->depend.version, depversion, PKG_VERSION_LEN);
- } else {
- miss->depend.version[0] = 0;
- }
+ STRDUP(miss->target, target, RET_ERR(PM_ERR_MEMORY, NULL));
+ miss->depend = _alpm_dep_dup(dep);
return(miss);
}
+void _alpm_depmiss_free(pmdepmissing_t *miss)
+{
+ _alpm_dep_free(miss->depend);
+ FREE(miss->target);
+ FREE(miss);
+}
+
/* Convert a list of pmpkg_t * to a graph structure,
* with a edge for each dependency.
* Returns a list of vertices (one vertex = one package)
@@ -257,8 +266,7 @@ alpm_list_t SYMEXPORT *alpm_checkdeps(pmdb_t *db, int reversedeps,
_alpm_log(PM_LOG_DEBUG, "checkdeps: missing dependency '%s' for package '%s'\n",
missdepstring, alpm_pkg_get_name(tp));
free(missdepstring);
- miss = _alpm_depmiss_new(alpm_pkg_get_name(tp), depend->mod,
- depend->name, depend->version);
+ miss = _alpm_depmiss_new(alpm_pkg_get_name(tp), depend);
baddeps = alpm_list_add(baddeps, miss);
}
}
@@ -284,8 +292,7 @@ alpm_list_t SYMEXPORT *alpm_checkdeps(pmdb_t *db, int reversedeps,
_alpm_log(PM_LOG_DEBUG, "checkdeps: transaction would break '%s' dependency of '%s'\n",
missdepstring, alpm_pkg_get_name(lp));
free(missdepstring);
- miss = _alpm_depmiss_new(lp->name, depend->mod,
- depend->name, depend->version);
+ miss = _alpm_depmiss_new(lp->name, depend);
baddeps = alpm_list_add(baddeps, miss);
}
}
@@ -362,9 +369,9 @@ pmdepend_t SYMEXPORT *alpm_splitdep(const char *depstring)
if(depstring == NULL) {
return(NULL);
}
- newstr = strdup(depstring);
+ STRDUP(newstr, depstring, RET_ERR(PM_ERR_MEMORY, NULL));
- MALLOC(depend, sizeof(pmdepend_t), return(NULL));
+ CALLOC(depend, sizeof(pmdepend_t), 1, RET_ERR(PM_ERR_MEMORY, NULL));
/* Find a version comparator if one exists. If it does, set the type and
* increment the ptr accordingly so we can copy the right strings. */
@@ -388,25 +395,36 @@ pmdepend_t SYMEXPORT *alpm_splitdep(const char *depstring)
depend->mod = PM_DEP_MOD_GT;
*ptr = '\0';
ptr += 1;
-
} else {
- /* no version specified - copy in the name and return it */
+ /* no version specified - copy the name and return it */
depend->mod = PM_DEP_MOD_ANY;
- strncpy(depend->name, newstr, PKG_NAME_LEN);
- depend->version[0] = '\0';
+ STRDUP(depend->name, newstr, RET_ERR(PM_ERR_MEMORY, NULL));
+ depend->version = NULL;
free(newstr);
return(depend);
}
/* if we get here, we have a version comparator, copy the right parts
* to the right places */
- strncpy(depend->name, newstr, PKG_NAME_LEN);
- strncpy(depend->version, ptr, PKG_VERSION_LEN);
+ STRDUP(depend->name, newstr, RET_ERR(PM_ERR_MEMORY, NULL));
+ STRDUP(depend->version, ptr, RET_ERR(PM_ERR_MEMORY, NULL));
free(newstr);
return(depend);
}
+pmdepend_t *_alpm_dep_dup(const pmdepend_t *dep)
+{
+ pmdepend_t *newdep;
+ CALLOC(newdep, sizeof(pmdepend_t), 1, RET_ERR(PM_ERR_MEMORY, NULL));
+
+ STRDUP(newdep->name, dep->name, RET_ERR(PM_ERR_MEMORY, NULL));
+ STRDUP(newdep->version, dep->version, RET_ERR(PM_ERR_MEMORY, NULL));
+ newdep->mod = dep->mod;
+
+ return(newdep);
+}
+
/* These parameters are messy. We check if this package, given a list of
* targets and a db is safe to remove. We do NOT remove it if it is in the
* target list, or if if the package was explictly installed and
@@ -520,7 +538,7 @@ int _alpm_resolvedeps(pmdb_t *local, alpm_list_t *dbs_sync, pmpkg_t *syncpkg,
for(i = deps; i; i = i->next) {
int found = 0;
pmdepmissing_t *miss = i->data;
- pmdepend_t *missdep = &(miss->depend);
+ pmdepend_t *missdep = alpm_miss_get_dep(miss);
pmpkg_t *sync = NULL;
/* check if one of the packages in *list already satisfies this dependency */
@@ -608,7 +626,8 @@ int _alpm_resolvedeps(pmdb_t *local, alpm_list_t *dbs_sync, pmpkg_t *syncpkg,
_alpm_log(PM_LOG_DEBUG, "finished resolving dependencies\n");
- FREELIST(deps);
+ alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_depmiss_free);
+ alpm_list_free(deps);
return(0);
@@ -624,7 +643,7 @@ const char SYMEXPORT *alpm_miss_get_target(const pmdepmissing_t *miss)
/* Sanity checks */
ASSERT(miss != NULL, return(NULL));
- return miss->target;
+ return(miss->target);
}
pmdepend_t SYMEXPORT *alpm_miss_get_dep(pmdepmissing_t *miss)
@@ -634,7 +653,7 @@ pmdepend_t SYMEXPORT *alpm_miss_get_dep(pmdepmissing_t *miss)
/* Sanity checks */
ASSERT(miss != NULL, return(NULL));
- return &(miss->depend);
+ return(miss->depend);
}
pmdepmod_t SYMEXPORT alpm_dep_get_mod(const pmdepend_t *dep)
@@ -644,7 +663,7 @@ pmdepmod_t SYMEXPORT alpm_dep_get_mod(const pmdepend_t *dep)
/* Sanity checks */
ASSERT(dep != NULL, return(-1));
- return dep->mod;
+ return(dep->mod);
}
const char SYMEXPORT *alpm_dep_get_name(const pmdepend_t *dep)
@@ -654,7 +673,7 @@ const char SYMEXPORT *alpm_dep_get_name(const pmdepend_t *dep)
/* Sanity checks */
ASSERT(dep != NULL, return(NULL));
- return dep->name;
+ return(dep->name);
}
const char SYMEXPORT *alpm_dep_get_version(const pmdepend_t *dep)
@@ -664,7 +683,7 @@ const char SYMEXPORT *alpm_dep_get_version(const pmdepend_t *dep)
/* Sanity checks */
ASSERT(dep != NULL, return(NULL));
- return dep->version;
+ return(dep->version);
}
/** Reverse of splitdep; make a dep string from a pmdepend_t struct.
@@ -674,7 +693,7 @@ const char SYMEXPORT *alpm_dep_get_version(const pmdepend_t *dep)
*/
char SYMEXPORT *alpm_dep_get_string(const pmdepend_t *dep)
{
- char *opr, *str = NULL;
+ char *name, *opr, *ver, *str = NULL;
size_t len;
ALPM_LOG_FUNC;
@@ -682,6 +701,12 @@ char SYMEXPORT *alpm_dep_get_string(const pmdepend_t *dep)
/* Sanity checks */
ASSERT(dep != NULL, return(NULL));
+ if(dep->name) {
+ name = dep->name;
+ } else {
+ name = "";
+ }
+
switch(dep->mod) {
case PM_DEP_MOD_ANY:
opr = "";
@@ -706,11 +731,18 @@ char SYMEXPORT *alpm_dep_get_string(const pmdepend_t *dep)
break;
}
+ if(dep->version) {
+ ver = dep->version;
+ } else {
+ ver = "";
+ }
+
/* we can always compute len and print the string like this because opr
- * and ver will be empty when PM_DEP_MOD_ANY is the depend type */
- len = strlen(dep->name) + strlen(opr) + strlen(dep->version) + 1;
+ * and ver will be empty when PM_DEP_MOD_ANY is the depend type. the
+ * reassignments above also ensure we do not do a strlen(NULL). */
+ len = strlen(name) + strlen(opr) + strlen(ver) + 1;
MALLOC(str, len, RET_ERR(PM_ERR_MEMORY, NULL));
- snprintf(str, len, "%s%s%s", dep->name, opr, dep->version);
+ snprintf(str, len, "%s%s%s", name, opr, ver);
return(str);
}

Copyright © 2002-2022 Judd Vinet and Aaron Griffin. Copyright © 2022 Erich Eckner.
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