LibC: Implement vscanf

libstdc++v3 checks whether vscanf is available and only then makes C99
stdio functions available in the std namespace.

2 files changed, 6 insertions, 0 deletions

diff --git a/Userland/Libraries/LibC/stdio.cpp b/Userland/Libraries/LibC/stdio.cpp
index b12c547e5d..2d3aa0bfc8 100644
--- a/Userland/Libraries/LibC/stdio.cpp
+++ b/Userland/Libraries/LibC/stdio.cpp
@@ -1257,6 +1257,11 @@ int vfscanf(FILE* stream, const char* fmt, va_list ap)
     return vsscanf(buffer, fmt, ap);
 }
 
+int vscanf(const char* fmt, va_list ap)
+{
+    return vfscanf(stdin, fmt, ap);
+}
+
 void flockfile([[maybe_unused]] FILE* filehandle)
 {
     dbgln("FIXME: Implement flockfile()");
diff --git a/Userland/Libraries/LibC/stdio.h b/Userland/Libraries/LibC/stdio.h
index c1634ce011..b4ff5a8e75 100644
--- a/Userland/Libraries/LibC/stdio.h
+++ b/Userland/Libraries/LibC/stdio.h
@@ -89,6 +89,7 @@ void perror(const char*);
 int scanf(const char* fmt, ...) __attribute__((format(scanf, 1, 2)));
 int sscanf(const char* str, const char* fmt, ...) __attribute__((format(scanf, 2, 3)));
 int fscanf(FILE*, const char* fmt, ...) __attribute__((format(scanf, 2, 3)));
+int vscanf(const char*, va_list) __attribute__((format(scanf, 1, 0)));
 int vfscanf(FILE*, const char*, va_list) __attribute__((format(scanf, 2, 0)));
 int vsscanf(const char*, const char*, va_list) __attribute__((format(scanf, 2, 0)));
 int setvbuf(FILE*, char* buf, int mode, size_t);