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Merge "Remove __nonnull (in favor of _Nonnull)."

This commit is contained in:
Treehugger Robot 2016-06-30 18:04:38 +00:00 committed by Gerrit Code Review
parent 1159c196db 9eb3ae122f
commit 3b4e11faa8
5 changed files with 38 additions and 67 deletions
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4
libc/include/error.h
View File

@ -33,8 +33,8 @@
__BEGIN_DECLS
void error(int, int, const char*, ...) __printflike(3, 4) __INTRODUCED_IN(23);
void error_at_line(int, int, const char*, unsigned int, const char*, ...) __printflike(5, 6)
void error(int, int, const char* _Nonnull, ...) __printflike(3, 4) __INTRODUCED_IN(23);
void error_at_line(int, int, const char*, unsigned int, const char* _Nonnull, ...) __printflike(5, 6)
__INTRODUCED_IN(23);
extern void (*error_print_progname)(void) __INTRODUCED_IN(23);

67
libc/include/stdio.h
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@ -105,13 +105,11 @@ int ferror(FILE *);
int fflush(FILE *);
int fgetc(FILE *);
char *fgets(char * __restrict, int, FILE * __restrict);
int fprintf(FILE * __restrict , const char * __restrict, ...)
__printflike(2, 3);
int fprintf(FILE * __restrict , const char * __restrict _Nonnull, ...) __printflike(2, 3);
int fputc(int, FILE *);
int fputs(const char * __restrict, FILE * __restrict);
size_t fread(void * __restrict, size_t, size_t, FILE * __restrict);
int fscanf(FILE * __restrict, const char * __restrict, ...)
__scanflike(2, 3);
int fscanf(FILE * __restrict, const char * __restrict _Nonnull, ...) __scanflike(2, 3);
size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict);
int getc(FILE *);
int getchar(void);
@ -119,35 +117,28 @@ ssize_t getdelim(char** __restrict, size_t* __restrict, int, FILE* __restrict) _
ssize_t getline(char** __restrict, size_t* __restrict, FILE* __restrict) __INTRODUCED_IN(18);
void perror(const char *);
int printf(const char * __restrict, ...)
__printflike(1, 2);
int printf(const char * __restrict _Nonnull, ...) __printflike(1, 2);
int putc(int, FILE *);
int putchar(int);
int puts(const char *);
int remove(const char *);
void rewind(FILE *);
int scanf(const char * __restrict, ...)
__scanflike(1, 2);
int scanf(const char * __restrict _Nonnull, ...) __scanflike(1, 2);
void setbuf(FILE * __restrict, char * __restrict);
int setvbuf(FILE * __restrict, char * __restrict, int, size_t);
int sscanf(const char * __restrict, const char * __restrict, ...)
__scanflike(2, 3);
int sscanf(const char * __restrict, const char * __restrict _Nonnull, ...) __scanflike(2, 3);
int ungetc(int, FILE *);
int vfprintf(FILE * __restrict, const char * __restrict, __va_list)
__printflike(2, 0);
int vprintf(const char * __restrict, __va_list)
__printflike(1, 0);
int vfprintf(FILE * __restrict, const char * __restrict _Nonnull, __va_list) __printflike(2, 0);
int vprintf(const char * __restrict _Nonnull, __va_list) __printflike(1, 0);
int dprintf(int, const char* __restrict, ...) __printflike(2, 3) __INTRODUCED_IN(21);
int vdprintf(int, const char* __restrict, __va_list) __printflike(2, 0) __INTRODUCED_IN(21);
int dprintf(int, const char* __restrict _Nonnull, ...) __printflike(2, 3) __INTRODUCED_IN(21);
int vdprintf(int, const char* __restrict _Nonnull, __va_list) __printflike(2, 0) __INTRODUCED_IN(21);
#if __STDC_VERSION__ < 201112L
char* gets(char*) __attribute__((deprecated("gets is unsafe, use fgets instead")));
#endif
int sprintf(char* __restrict, const char* __restrict, ...)
__printflike(2, 3) __warnattr("sprintf is often misused; please use snprintf");
int vsprintf(char* __restrict, const char* __restrict, __va_list)
__printflike(2, 0) __warnattr("vsprintf is often misused; please use vsnprintf");
int sprintf(char* __restrict, const char* __restrict _Nonnull, ...) __printflike(2, 3) __warnattr("sprintf is often misused; please use snprintf");
int vsprintf(char* __restrict, const char* __restrict _Nonnull, __va_list) __printflike(2, 0) __warnattr("vsprintf is often misused; please use vsnprintf");
char* tmpnam(char*) __attribute__((deprecated("tmpnam is unsafe, use mkstemp or tmpfile instead")));
#if defined(__USE_BSD) || defined(__USE_GNU)
#define P_tmpdir "/tmp/" /* deprecated */
@ -203,11 +194,11 @@ FILE* freopen64(const char* __restrict, const char* __restrict, FILE* __restrict
FILE* tmpfile(void);
FILE* tmpfile64(void) __INTRODUCED_IN(24);
int snprintf(char* __restrict, size_t, const char* __restrict, ...) __printflike(3, 4);
int vfscanf(FILE* __restrict, const char* __restrict, __va_list) __scanflike(2, 0);
int vscanf(const char*, __va_list) __scanflike(1, 0);
int vsnprintf(char* __restrict, size_t, const char* __restrict, __va_list) __printflike(3, 0);
int vsscanf(const char* __restrict, const char* __restrict, __va_list) __scanflike(2, 0);
int snprintf(char* __restrict, size_t, const char* __restrict _Nonnull, ...) __printflike(3, 4);
int vfscanf(FILE* __restrict, const char* __restrict _Nonnull, __va_list) __scanflike(2, 0);
int vscanf(const char* _Nonnull , __va_list) __scanflike(1, 0);
int vsnprintf(char* __restrict, size_t, const char* __restrict _Nonnull, __va_list) __printflike(3, 0);
int vsscanf(const char* __restrict _Nonnull, const char* __restrict _Nonnull, __va_list) __scanflike(2, 0);
#define L_ctermid 1024 /* size for ctermid() */
char* ctermid(char*) __INTRODUCED_IN_FUTURE;
@ -228,12 +219,12 @@ FILE* fmemopen(void*, size_t, const char*) __INTRODUCED_IN(23);
FILE* open_memstream(char**, size_t*) __INTRODUCED_IN(23);
#if defined(__USE_BSD) || defined(__BIONIC__) /* Historically bionic exposed these. */
int asprintf(char** __restrict, const char* __restrict, ...) __printflike(2, 3);
int asprintf(char** __restrict, const char* __restrict _Nonnull, ...) __printflike(2, 3);
char* fgetln(FILE* __restrict, size_t* __restrict);
int fpurge(FILE*);
void setbuffer(FILE*, char*, int);
int setlinebuf(FILE*);
int vasprintf(char** __restrict, const char* __restrict, __va_list) __printflike(2, 0);
int vasprintf(char** __restrict, const char* __restrict _Nonnull, __va_list) __printflike(2, 0);
void clearerr_unlocked(FILE*) __INTRODUCED_IN(23);
int feof_unlocked(FILE*) __INTRODUCED_IN(23);
int ferror_unlocked(FILE*) __INTRODUCED_IN(23);
@ -262,16 +253,12 @@ __errordecl(__fwrite_overflow, "fwrite called with overflowing size * count");
#if defined(__BIONIC_FORTIFY)
__BIONIC_FORTIFY_INLINE
__printflike(3, 0)
int vsnprintf(char *dest, size_t size, const char *format, __va_list ap)
{
__printflike(3, 0) int vsnprintf(char* dest, size_t size, const char* _Nonnull format, __va_list ap) {
return __builtin___vsnprintf_chk(dest, size, 0, __bos(dest), format, ap);
}
__BIONIC_FORTIFY_INLINE
__printflike(2, 0)
int vsprintf(char *dest, const char *format, __va_list ap)
{
__printflike(2, 0) int vsprintf(char* dest, const char* _Nonnull format, __va_list ap) {
return __builtin___vsprintf_chk(dest, 0, __bos(dest), format, ap);
}
@ -282,11 +269,8 @@ int vsprintf(char *dest, const char *format, __va_list ap)
#endif
#else
__BIONIC_FORTIFY_INLINE
__printflike(3, 4)
int snprintf(char *dest, size_t size, const char *format, ...)
{
return __builtin___snprintf_chk(dest, size, 0,
__bos(dest), format, __builtin_va_arg_pack());
__printflike(3, 4) int snprintf(char* dest, size_t size, const char* _Nonnull format, ...) {
return __builtin___snprintf_chk(dest, size, 0, __bos(dest), format, __builtin_va_arg_pack());
}
#endif
@ -297,11 +281,8 @@ int snprintf(char *dest, size_t size, const char *format, ...)
#endif
#else
__BIONIC_FORTIFY_INLINE
__printflike(2, 3)
int sprintf(char *dest, const char *format, ...)
{
return __builtin___sprintf_chk(dest, 0,
__bos(dest), format, __builtin_va_arg_pack());
__printflike(2, 3) int sprintf(char* dest, const char* _Nonnull format, ...) {
return __builtin___sprintf_chk(dest, 0, __bos(dest), format, __builtin_va_arg_pack());
}
#endif

8
libc/include/sys/cdefs.h
View File

@ -140,7 +140,7 @@
* // The following null check will be elided because nonnull attribute
* // means that, since we call foo with p, p can be assumed to not be
* // null. Thus this will crash if we are called with a null pointer.
* if (src != NULL) {
* if (p != NULL) {
* return *p;
* }
* return 0;
@ -156,10 +156,8 @@
#define _Nonnull
#endif
#define __nonnull(args) __attribute__((__nonnull__ args))
#define __printflike(x, y) __attribute__((__format__(printf, x, y))) __nonnull((x))
#define __scanflike(x, y) __attribute__((__format__(scanf, x, y))) __nonnull((x))
#define __printflike(x, y) __attribute__((__format__(printf, x, y)))
#define __scanflike(x, y) __attribute__((__format__(scanf, x, y)))
/*
* GNU C version 2.96 added explicit branch prediction so that

4
libc/include/syslog.h
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@ -88,8 +88,8 @@ __BEGIN_DECLS
void closelog(void);
void openlog(const char*, int, int);
int setlogmask(int);
void syslog(int, const char*, ...) __printflike(2, 3);
void vsyslog(int, const char*, va_list) __printflike(2, 0);
void syslog(int, const char* _Nonnull, ...) __printflike(2, 3);
void vsyslog(int, const char* _Nonnull, va_list) __printflike(2, 0);
__END_DECLS

22
libc/private/libc_logging.h
View File

@ -68,29 +68,21 @@ struct abort_msg_t {
};
// Formats a message to the log (priority 'fatal'), then aborts.
__LIBC_HIDDEN__ __noreturn void __libc_fatal(const char* fmt, ...) __printflike(1, 2);
__noreturn void __libc_fatal(const char* _Nonnull, ...) __printflike(1, 2);
// Formats a message to the log (priority 'fatal'), prefixed by "FORTIFY: ", then aborts.
__LIBC_HIDDEN__ __noreturn void __fortify_fatal(const char* fmt, ...) __printflike(1, 2);
__noreturn void __fortify_fatal(const char* _Nonnull, ...) __printflike(1, 2);
//
// Formatting routines for the C library's internal debugging.
// Unlike the usual alternatives, these don't allocate, and they don't drag in all of stdio.
//
__LIBC_HIDDEN__ int __libc_format_buffer(char* buffer, size_t buffer_size, const char* format, ...)
__printflike(3, 4);
__LIBC_HIDDEN__ int __libc_format_fd(int fd, const char* format, ...)
__printflike(2, 3);
__LIBC_HIDDEN__ int __libc_format_log(int priority, const char* tag, const char* format, ...)
__printflike(3, 4);
__LIBC_HIDDEN__ int __libc_format_log_va_list(int priority, const char* tag, const char* format,
va_list ap);
__LIBC_HIDDEN__ int __libc_write_log(int priority, const char* tag, const char* msg);
int __libc_format_buffer(char* _Nonnull buf, size_t size, const char* _Nonnull fmt, ...) __printflike(3, 4);
int __libc_format_fd(int fd, const char* _Nonnull format , ...) __printflike(2, 3);
int __libc_format_log(int pri, const char* _Nonnull tag, const char* _Nonnull fmt, ...) __printflike(3, 4);
int __libc_format_log_va_list(int pri, const char* _Nonnull tag, const char* _Nonnull fmt, va_list ap);
int __libc_write_log(int pri, const char* _Nonnull tag, const char* _Nonnull msg);
__END_DECLS