[pacman-dev] [PATCH] alpm/handle.c: ensure handle is not NULL before proceeding
Rémy Oudompheng
remyoudompheng at gmail.com
Mon Mar 28 15:47:08 EDT 2011
Many alpm_option_get/set_*() functions already check this
and set pm_errno to the right value, but not all, so
this improves consistency.
Signed-off-by: Rémy Oudompheng <remy at archlinux.org>
---
lib/libalpm/handle.c | 23 +++++++++++++++++++++++
lib/libalpm/util.h | 4 ++++
2 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/lib/libalpm/handle.c b/lib/libalpm/handle.c
index d4ebe82..d8ce9fd 100644
--- a/lib/libalpm/handle.c
+++ b/lib/libalpm/handle.c
@@ -302,6 +302,8 @@ int SYMEXPORT alpm_option_set_root(const char *root)
ALPM_LOG_FUNC;
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
+
if(!root) {
pm_errno = PM_ERR_WRONG_ARGS;
return(-1);
@@ -342,6 +344,7 @@ int SYMEXPORT alpm_option_set_dbpath(const char *dbpath)
ALPM_LOG_FUNC;
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
if(!dbpath) {
pm_errno = PM_ERR_WRONG_ARGS;
return(-1);
@@ -380,6 +383,7 @@ int SYMEXPORT alpm_option_add_cachedir(const char *cachedir)
ALPM_LOG_FUNC;
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
if(!cachedir) {
pm_errno = PM_ERR_WRONG_ARGS;
return(-1);
@@ -402,6 +406,7 @@ int SYMEXPORT alpm_option_add_cachedir(const char *cachedir)
void SYMEXPORT alpm_option_set_cachedirs(alpm_list_t *cachedirs)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
if(handle->cachedirs) FREELIST(handle->cachedirs);
if(cachedirs) handle->cachedirs = cachedirs;
}
@@ -411,6 +416,7 @@ int SYMEXPORT alpm_option_remove_cachedir(const char *cachedir)
char *vdata = NULL;
char *newcachedir;
size_t cachedirlen;
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
/* verify cachedir ends in a '/' */
cachedirlen = strlen(cachedir);
if(cachedir[cachedirlen-1] != '/') {
@@ -434,6 +440,7 @@ int SYMEXPORT alpm_option_set_logfile(const char *logfile)
ALPM_LOG_FUNC;
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
if(!logfile) {
pm_errno = PM_ERR_WRONG_ARGS;
return(-1);
@@ -456,16 +463,19 @@ int SYMEXPORT alpm_option_set_logfile(const char *logfile)
void SYMEXPORT alpm_option_set_usesyslog(int usesyslog)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
handle->usesyslog = usesyslog;
}
void SYMEXPORT alpm_option_add_noupgrade(const char *pkg)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
handle->noupgrade = alpm_list_add(handle->noupgrade, strdup(pkg));
}
void SYMEXPORT alpm_option_set_noupgrades(alpm_list_t *noupgrade)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
if(handle->noupgrade) FREELIST(handle->noupgrade);
if(noupgrade) handle->noupgrade = noupgrade;
}
@@ -473,6 +483,7 @@ void SYMEXPORT alpm_option_set_noupgrades(alpm_list_t *noupgrade)
int SYMEXPORT alpm_option_remove_noupgrade(const char *pkg)
{
char *vdata = NULL;
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
handle->noupgrade = alpm_list_remove_str(handle->noupgrade, pkg, &vdata);
if(vdata != NULL) {
FREE(vdata);
@@ -483,11 +494,13 @@ int SYMEXPORT alpm_option_remove_noupgrade(const char *pkg)
void SYMEXPORT alpm_option_add_noextract(const char *pkg)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
handle->noextract = alpm_list_add(handle->noextract, strdup(pkg));
}
void SYMEXPORT alpm_option_set_noextracts(alpm_list_t *noextract)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
if(handle->noextract) FREELIST(handle->noextract);
if(noextract) handle->noextract = noextract;
}
@@ -495,6 +508,7 @@ void SYMEXPORT alpm_option_set_noextracts(alpm_list_t *noextract)
int SYMEXPORT alpm_option_remove_noextract(const char *pkg)
{
char *vdata = NULL;
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
handle->noextract = alpm_list_remove_str(handle->noextract, pkg, &vdata);
if(vdata != NULL) {
FREE(vdata);
@@ -505,11 +519,13 @@ int SYMEXPORT alpm_option_remove_noextract(const char *pkg)
void SYMEXPORT alpm_option_add_ignorepkg(const char *pkg)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
handle->ignorepkg = alpm_list_add(handle->ignorepkg, strdup(pkg));
}
void SYMEXPORT alpm_option_set_ignorepkgs(alpm_list_t *ignorepkgs)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
if(handle->ignorepkg) FREELIST(handle->ignorepkg);
if(ignorepkgs) handle->ignorepkg = ignorepkgs;
}
@@ -517,6 +533,7 @@ void SYMEXPORT alpm_option_set_ignorepkgs(alpm_list_t *ignorepkgs)
int SYMEXPORT alpm_option_remove_ignorepkg(const char *pkg)
{
char *vdata = NULL;
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
handle->ignorepkg = alpm_list_remove_str(handle->ignorepkg, pkg, &vdata);
if(vdata != NULL) {
FREE(vdata);
@@ -527,11 +544,13 @@ int SYMEXPORT alpm_option_remove_ignorepkg(const char *pkg)
void SYMEXPORT alpm_option_add_ignoregrp(const char *grp)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
handle->ignoregrp = alpm_list_add(handle->ignoregrp, strdup(grp));
}
void SYMEXPORT alpm_option_set_ignoregrps(alpm_list_t *ignoregrps)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
if(handle->ignoregrp) FREELIST(handle->ignoregrp);
if(ignoregrps) handle->ignoregrp = ignoregrps;
}
@@ -539,6 +558,7 @@ void SYMEXPORT alpm_option_set_ignoregrps(alpm_list_t *ignoregrps)
int SYMEXPORT alpm_option_remove_ignoregrp(const char *grp)
{
char *vdata = NULL;
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
handle->ignoregrp = alpm_list_remove_str(handle->ignoregrp, grp, &vdata);
if(vdata != NULL) {
FREE(vdata);
@@ -549,17 +569,20 @@ int SYMEXPORT alpm_option_remove_ignoregrp(const char *grp)
void SYMEXPORT alpm_option_set_arch(const char *arch)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
if(handle->arch) FREE(handle->arch);
if(arch) handle->arch = strdup(arch);
}
void SYMEXPORT alpm_option_set_usedelta(int usedelta)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
handle->usedelta = usedelta;
}
void SYMEXPORT alpm_option_set_checkspace(int checkspace)
{
+ ASSERT(handle != NULL, RET_ERR_VOID(PM_ERR_HANDLE_NULL));
handle->checkspace = checkspace;
}
diff --git a/lib/libalpm/util.h b/lib/libalpm/util.h
index 3232f00..c66e988 100644
--- a/lib/libalpm/util.h
+++ b/lib/libalpm/util.h
@@ -57,6 +57,10 @@
#define ASSERT(cond, action) do { if(!(cond)) { action; } } while(0)
+#define RET_ERR_VOID(err) do { pm_errno = (err); \
+ _alpm_log(PM_LOG_DEBUG, "returning error %d from %s : %s\n", err, __func__, alpm_strerrorlast()); \
+ return; } while(0)
+
#define RET_ERR(err, ret) do { pm_errno = (err); \
_alpm_log(PM_LOG_DEBUG, "returning error %d from %s : %s\n", err, __func__, alpm_strerrorlast()); \
return(ret); } while(0)
--
1.7.4.2
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