Add format attribute to log function and adjust format specifiers

Annotate the common logging function sp_log_msgf() with the format
attribute so compilers can check the used format string and passed
arguments for discrepancies.

Adjust the lineno printing by using %zu and the type size_t
consistently.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/sp_config_scanner.h b/src/sp_config_scanner.h
index 560ea6e..dda3dc2 100644
--- a/src/sp_config_scanner.h
+++ b/src/sp_config_scanner.h
@@ -15,7 +15,7 @@ typedef struct {
   const char *arg; // optional argument / can be not null terminated
   size_t arglen;
   sp_argtype argtype;
-  long lineno;
+  size_t lineno;
 } sp_parsed_keyword;
 
 zend_result sp_config_scan(const char *data, zend_result (*process_rule)(sp_parsed_keyword*));