/* Test for scanf formats. %a and %m extensions. */ /* { dg-do compile } */ /* { dg-options "-std=gnu89 -Wformat" } */ #include "format.h" void foo (char **sp, wchar_t **lsp, int *ip, float *fp, void **pp, double *dp) { /* %a formats for allocation, only recognized in C90 mode, are a GNU extension. Followed by other characters, %a is not treated specially. */ scanf ("%as", sp); scanf ("%aS", lsp); scanf ("%las", dp); scanf ("%la", lsp); /* { dg-warning "but argument 2 has type" } */ scanf ("%las", lsp); /* { dg-warning "but argument 2 has type" } */ scanf ("%a[bcd]", sp); scanf ("%la[bcd]", dp); scanf ("%*as"); scanf ("%*aS"); scanf ("%*las"); /* { dg-warning "assignment suppression and length modifier" } */ scanf ("%*a[bcd]"); scanf ("%*la[bcd]"); /* { dg-warning "assignment suppression and length modifier" } */ scanf ("%10as", sp); scanf ("%5aS", lsp); scanf ("%9las", dp); scanf ("%25a[bcd]", sp); scanf ("%48la[bcd]", dp); scanf ("%*10as"); scanf ("%*5aS"); scanf ("%*9las"); /* { dg-warning "assignment suppression and length modifier" } */ scanf ("%*25a[bcd]"); scanf ("%*48la[bcd]"); /* { dg-warning "assignment suppression and length modifier" } */ /* m assignment-allocation modifier, recognized in both C90 and C99 modes, is a POSIX and ISO/IEC WDTR 24731-2 extension. */ scanf ("%ms", sp); scanf ("%mS", lsp); scanf ("%mls", lsp); scanf ("%m[bcd]", sp); scanf ("%ml[bcd]", lsp); scanf ("%mc", sp); scanf ("%mlc", lsp); scanf ("%mC", lsp); scanf ("%*ms"); scanf ("%*mS"); scanf ("%*mls"); /* { dg-warning "assignment suppression and length modifier" } */ scanf ("%*m[bcd]"); scanf ("%*ml[bcd]"); /* { dg-warning "assignment suppression and length modifier" } */ scanf ("%*mc"); scanf ("%*mlc"); /* { dg-warning "assignment suppression and length modifier" } */ scanf ("%*mC"); scanf ("%10ms", sp); scanf ("%5mS", lsp); scanf ("%9mls", lsp); scanf ("%25m[bcd]", sp); scanf ("%41ml[bcd]", lsp); scanf ("%131mc", sp); scanf ("%27mlc", lsp); scanf ("%2mC", lsp); scanf ("%*10ms"); scanf ("%*5mS"); scanf ("%*9mls"); /* { dg-warning "assignment suppression and length modifier" } */ scanf ("%*25m[bcd]"); scanf ("%*41ml[bcd]"); /* { dg-warning "assignment suppression and length modifier" } */ scanf ("%*131mc"); scanf ("%*27mlc"); /* { dg-warning "assignment suppression and length modifier" } */ scanf ("%*2mC"); scanf ("%md", ip); /* { dg-warning "flag used with" } */ scanf ("%mi", ip); /* { dg-warning "flag used with" } */ scanf ("%mo", ip); /* { dg-warning "flag used with" } */ scanf ("%mu", ip); /* { dg-warning "flag used with" } */ scanf ("%mx", ip); /* { dg-warning "flag used with" } */ scanf ("%me", fp); /* { dg-warning "flag used with" } */ scanf ("%mf", fp); /* { dg-warning "flag used with" } */ scanf ("%mg", fp); /* { dg-warning "flag used with" } */ scanf ("%mp", pp); /* { dg-warning "flag used with" } */ scanf ("%mas", sp); /* { dg-warning "flag together" } */ scanf ("%maS", lsp); /* { dg-warning "flag together" } */ scanf ("%ma[bcd]", sp); /* { dg-warning "flag together" } */ }