Viewing file:  Wbuiltin-declaration-mismatch-7.c (1.75 KB) -rw-r--r--
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/* PR c/86125 - missing -Wbuiltin-declaration-mismatch on a mismatched
return type
Verify that a declaration of vfprintf() with withe the wrong last
argument triggers -Wbuiltin-declaration-mismatch even without -Wextra.
{ dg-do compile { target { { lp64 || ilp32 } || llp64 } } }
{ dg-options "-Wbuiltin-declaration-mismatch" } */
struct StdioFile;
typedef __SIZE_TYPE__ size_t;
struct StdioFile;
int fprintf (struct StdioFile*, const char*); /* { dg-warning "conflicting types for built-in function .fprintf.; expected .int\\\(\[a-z_\]+ \\\*, const char \\\*, \.\.\.\\\)." } */
int vfprintf (struct StdioFile*, const char*, ...); /* { dg-warning "conflicting types for built-in function .vfprintf.; expected .int\\\(\[a-z_\]+ \\\*, const char \\\*, \[^\n\r,\\\)\]+\\\)." } */
int fputc (char, struct StdioFile*); /* { dg-warning "conflicting types for built-in function .fputc.; expected .int\\\(int, void \\\*\\\)." } */
unsigned long long fputs (const char*, struct StdioFile*); /* { dg-warning "conflicting types for built-in function .fputs.; expected .int\\\(const char \\\*, \[a-z_\]+ \\\*\\\)." } */
int fscanf (struct StdioFile*, const char*, size_t, ...); /* { dg-warning "conflicting types for built-in function .fscanf.; expected .int\\\(\[a-z_\]+ \\\*, const char \\\*, \.\.\.\\\)." } */
int vfscanf (struct StdioFile*, const char*, ...); /* { dg-warning "conflicting types for built-in function .vfscanf.; expected .int\\\(\[a-z_\]+ \\\*, const char \\\*, \[^\n\r,\\\)\]+\\\)." } */
size_t fwrite (const void*, size_t, size_t, struct StdioFile); /* { dg-warning "conflicting types for built-in function .fwrite.; expected .\(long \)?unsigned int\\\(const void \\\*, \(long \)?unsigned int, *\(long \)?unsigned int, *\[a-z_\]+ \\\*\\\)." } */
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