PDCLIB-16: Add _unlocked variations of all I/O routines; move work into these versions

[pdclib] / functions / stdio / fgets.c

diff --git a/functions/stdio/fgets.c b/functions/stdio/fgets.c
index 44518a3e0b0f2552a8d5b1a47c81fb7fd3bf37f0..04510583ad29e82b46671106b81caac76399594e 100644 (file)
--- a/functions/stdio/fgets.c
+++ b/functions/stdio/fgets.c
@@ -12,7 +12,7 @@
 
 #include <_PDCLIB_glue.h>
 
-char * fgets( char * _PDCLIB_restrict s, int size, struct _PDCLIB_file_t * _PDCLIB_restrict stream )
+char * fgets_unlocked( char * _PDCLIB_restrict s, int size, struct _PDCLIB_file_t * _PDCLIB_restrict stream )
 {
     if ( size == 0 )
     {
@@ -46,6 +46,15 @@ char * fgets( char * _PDCLIB_restrict s, int size, struct _PDCLIB_file_t * _PDCL
     return ( dest == s ) ? NULL : s;
 }
 
+char * fgets( char * _PDCLIB_restrict s, int size, 
+              struct _PDCLIB_file_t * _PDCLIB_restrict stream )
+{
+    flockfile( stream );
+    char* r = fgets_unlocked( s, size, stream );
+    funlockfile( stream );
+    return r;
+}
+
 #endif
 
 #ifdef TEST