# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1578569801 -7200
# Node ID 262411458cdeace1564301f46c501b81efdfbe45
# Parent  ccff3eb8dbb6602bbd2c65cdad0ec638bbd87c44
Add __attribute__(__format__ ..) specifiers for functions that use printf() style format specifiers.

diff -r ccff3eb8dbb6 -r 262411458cde th_ioctx.h
--- a/th_ioctx.h	Wed Jan 08 02:36:42 2020 +0200
+++ b/th_ioctx.h	Thu Jan 09 13:36:41 2020 +0200
@@ -89,8 +89,10 @@
 
 int          th_io_error_v(th_ioctx *ctx, const int err, const char *fmt, va_list ap);
 void         th_io_msg_v(th_ioctx *ctx, const int level, const char *fmt, va_list ap);
-int          th_io_error(th_ioctx *ctx, const int err, const char *fmt, ...);
-void         th_io_msg(th_ioctx *ctx, const int level, const char *fmt, ...);
+int          th_io_error(th_ioctx *ctx, const int err, const char *fmt, ...)
+             __attribute__ ((__format__ (__printf__, 3, 4)));
+void         th_io_msg(th_ioctx *ctx, const int level, const char *fmt, ...)
+             __attribute__ ((__format__ (__printf__, 3, 4)));
 
 
 //
@@ -109,7 +111,8 @@
 char *       thfgets(char *ptr, int size, th_ioctx *ctx);
 int          thfputs(const char *ptr, th_ioctx *ctx);
 int          thvfprintf(th_ioctx *ctx, const char *fmt, va_list ap);
-int          thfprintf(th_ioctx *ctx, const char *fmt, ...);
+int          thfprintf(th_ioctx *ctx, const char *fmt, ...)
+             __attribute__ ((__format__ (__printf__, 2, 3)));
 
 int          thfread_str(th_ioctx *ctx, void *ptr, const size_t len);
 BOOL         thfread_u8(th_ioctx *ctx, uint8_t *);
diff -r ccff3eb8dbb6 -r 262411458cde th_network.h
--- a/th_network.h	Wed Jan 08 02:36:42 2020 +0200
+++ b/th_network.h	Thu Jan 09 13:36:41 2020 +0200
@@ -141,8 +141,10 @@
     void (*msgfunc)(th_conn_t *conn, int loglevel, const char *msg),
     ssize_t bufsize);
 
-void        th_conn_err(th_conn_t *conn, int err, const char *fmt, ...);
-void        th_conn_msg(th_conn_t *conn, int loglevel, const char *fmt, ...);
+void        th_conn_err(th_conn_t *conn, int err, const char *fmt, ...)
+            __attribute__ ((__format__ (__printf__, 3, 4)));
+void        th_conn_msg(th_conn_t *conn, int loglevel, const char *fmt, ...)
+            __attribute__ ((__format__ (__printf__, 3, 4)));
 
 int         th_conn_set_proxy(th_conn_t *conn, int type, int port, const char *host, int auth_type);
 int         th_conn_set_proxy_mode(th_conn_t *conn, const int mode);
diff -r ccff3eb8dbb6 -r 262411458cde th_string.h
--- a/th_string.h	Wed Jan 08 02:36:42 2020 +0200
+++ b/th_string.h	Thu Jan 09 13:36:41 2020 +0200
@@ -104,16 +104,20 @@
 void    th_strip_ctrlchars(char *str);
 
 int     th_vsnprintf(char *buf, size_t size, const char *fmt, va_list ap);
-int     th_snprintf(char *buf, size_t size, const char *fmt, ...);
+int     th_snprintf(char *buf, size_t size, const char *fmt, ...)
+        __attribute__ ((__format__ (__printf__, 3, 4)));
 int     th_vfprintf(FILE *fh, const char *fmt, va_list ap);
-int     th_fprintf(FILE *fh, const char *fmt, ...);
+int     th_fprintf(FILE *fh, const char *fmt, ...)
+        __attribute__ ((__format__ (__printf__, 2, 3)));
 
 
 char    *th_strdup_vprintf(const char *fmt, va_list ap);
-char    *th_strdup_printf(const char *fmt, ...);
+char    *th_strdup_printf(const char *fmt, ...)
+        __attribute__ ((__format__ (__printf__, 1, 2)));
 
 void    th_pstr_vprintf(char **buf, const char *fmt, va_list ap);
-void    th_pstr_printf(char **buf, const char *fmt, ...);
+void    th_pstr_printf(char **buf, const char *fmt, ...)
+        __attribute__ ((__format__ (__printf__, 2, 3)));
 
 int     th_pstr_cpy(char **pdst, const char *src);
 int     th_pstr_cat(char **pdst, const char *src);
diff -r ccff3eb8dbb6 -r 262411458cde th_util.h
--- a/th_util.h	Wed Jan 08 02:36:42 2020 +0200
+++ b/th_util.h	Thu Jan 09 13:36:41 2020 +0200
@@ -133,9 +133,12 @@
 int     th_errno_to_error(int error);
 const char *th_error_str(int error);
 
-void    THERR(const char *fmt, ...);
-void    THMSG(int level, const char *fmt, ...);
-void    THPRINT(int level, const char *fmt, ...);
+void    THERR(const char *fmt, ...)
+        __attribute__ ((__format__ (__printf__, 1, 2)));
+void    THMSG(int level, const char *fmt, ...)
+        __attribute__ ((__format__ (__printf__, 2, 3)));
+void    THPRINT(int level, const char *fmt, ...)
+        __attribute__ ((__format__ (__printf__, 2, 3)));
 
 void    THERR_V(const char *fmt, va_list ap);
 void    THMSG_V(int level, const char *fmt, va_list ap);