update: better error handling for pool list loading

include/ctx.h

@@ -93,8 +93,8 @@ bool lm_ctx_install(lm_ctx_t *ctx, lm_pkg_t *pkg, bool run_install, lm_ctx_insta
     void *data); // installs/updates a single package
 bool lm_ctx_check(
     lm_ctx_t *ctx, lm_entry_t *entry, lm_ctx_check_callback_t callback, void *data); // checks a single package
-size_t lm_ctx_sync(lm_ctx_t *ctx, bool do_update, lm_ctx_sync_callback_t callback, void *data); // syncs all the pools
-void   lm_ctx_ping(lm_ctx_t *ctx, lm_ctx_ping_callback_t callback, void *data);                 // pings all the pools
+ssize_t lm_ctx_sync(lm_ctx_t *ctx, bool do_update, lm_ctx_sync_callback_t callback, void *data); // syncs all the pools
+void    lm_ctx_ping(lm_ctx_t *ctx, lm_ctx_ping_callback_t callback, void *data);                 // pings all the pools
 bool lm_ctx_serve(lm_ctx_t *ctx, char *addr, uint8_t threads, __sighandler_t handler, lm_ctx_serve_callback_t callback,
     void *data); // serves all the pools
 

include/error.h

@@ -154,6 +154,10 @@ typedef enum lm_error {
   LM_ERR_PoolInfoUnknown       = 152,
   LM_ERR_MPTPBadPath           = 153,
   LM_ERR_UnknownThread         = 154,
+  LM_ERR_PkgBadVersion         = 155,
+  LM_ERR_PkgDataMissing        = 156,
+  LM_ERR_PoolListDataFail      = 157,
+  LM_ERR_PoolListAddFail       = 158,
 } lm_error_t;
 
 typedef struct lm_error_desc {

include/util.h

@@ -33,8 +33,9 @@ bool  rmrf(char *p);
 int   digits(int n);
 
 bool package_parse(char *package, char *name, char *version);
-bool package_version_valid(char *name);
-bool package_name_valid(char *name);
+bool __package_field_valid(char *field);
+#define package_version_valid(x) __package_field_valid(x)
+#define package_name_valid(x)    __package_field_valid(x)
 
 void pdebug(const char *func, const char *fmt, ...);
 void pdebug_binary(char *data, size_t len);