Better reporting when a package does not exist

* Add additional errors
* Fix user_input function missing an error return value
* spmbuild sources a temporary file instead of output from a sub-shell
* Fix indentation problem
* A reason can be attached to spmerrno using spmerrno_cause()

1 files changed, 5 insertions, 0 deletions

diff --git a/include/error_handler.h b/include/error_handler.h
index a731d28..9e7c1b8 100644
--- a/include/error_handler.h
+++ b/include/error_handler.h
@@ -14,6 +14,8 @@
 #define SPM_ERR_PKG_INVALID         _SPM_ERR(4)     // invalid package (wrong structure, missing data, etc)
 #define SPM_ERR_PKG_CHECKSUM        _SPM_ERR(5)     // bad checksum
 #define SPM_ERR_PKG_FETCH           _SPM_ERR(6)     // failed to download package
+#define SPM_ERR_MANIFEST_INVALID    _SPM_ERR(7)     // manifest file is invalid (no header)
+#define SPM_ERR_MANIFEST_EMPTY      _SPM_ERR(8)     // manifest file has no data
 
 extern int spmerrno;
 
@@ -25,9 +27,12 @@ static const char *SPM_ERR_STRING[] = {
         "Invalid package",
         "Bad package checksum",
         "Failed to fetch package",
+        "Manifest has no header",
+        "Manifest has no data",
         NULL,
 };
 
+void spmerrno_cause(const char *reason);
 char *spm_strerror(int code);
 void spm_perror(const char *msg);