diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/format/c90-scanf-4.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/format/c90-scanf-4.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/c90-scanf-4.c b/gcc/testsuite/gcc.dg/format/c90-scanf-4.c new file mode 100644 index 0000000..3bbe66e --- /dev/null +++ b/gcc/testsuite/gcc.dg/format/c90-scanf-4.c @@ -0,0 +1,51 @@ +/* Test for scanf formats. Test that the C90 functions get their default + attributes in strict C90 mode, but the C99 and gettext functions + do not. +*/ +/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */ + +/* This may not be correct in the particular case, but allows the + prototypes to be declared, and we don't try to link. +*/ +typedef struct _FILE FILE; +extern FILE *stdin; + +typedef __builtin_va_list va_list; + +extern int fscanf (FILE *, const char *, ...); +extern int scanf (const char *, ...); +extern int sscanf (const char *, const char *, ...); + +extern int vfscanf (FILE *, const char *, va_list); +extern int vscanf (const char *, va_list); +extern int vsscanf (const char *, const char *, va_list); + +extern char *gettext (const char *); +extern char *dgettext (const char *, const char *); +extern char *dcgettext (const char *, const char *, int); + +void +foo (int *ip, char *s, va_list v0, va_list v1, va_list v2, va_list v3, + va_list v4, va_list v5) +{ + fscanf (stdin, "%d", ip); + fscanf (stdin, "%ld", ip); /* { dg-warning "format" "fscanf" } */ + scanf ("%d", ip); + scanf ("%ld", ip); /* { dg-warning "format" "scanf" } */ + sscanf (s, "%d", ip); + sscanf (s, "%ld", ip); /* { dg-warning "format" "sscanf" } */ + vfscanf (stdin, "%d", v0); + vfscanf (stdin, "%Y", v1); + vscanf ("%d", v2); + vscanf ("%Y", v3); + vsscanf (s, "%d", v4); + vsscanf (s, "%Y", v5); + scanf (gettext ("%d"), ip); + scanf (gettext ("%ld"), ip); + scanf (dgettext ("", "%d"), ip); + scanf (dgettext ("", "%ld"), ip); + scanf (dcgettext ("", "%d", 0), ip); + scanf (dcgettext ("", "%ld", 0), ip); +} |