diff options
Diffstat (limited to 'lib/gcc/aarch64-linux-android/4.8/include-fixed/stdio.h')
| -rw-r--r-- | lib/gcc/aarch64-linux-android/4.8/include-fixed/stdio.h | 292 |
1 files changed, 164 insertions, 128 deletions
diff --git a/lib/gcc/aarch64-linux-android/4.8/include-fixed/stdio.h b/lib/gcc/aarch64-linux-android/4.8/include-fixed/stdio.h index 24842b5..a5c846e 100644 --- a/lib/gcc/aarch64-linux-android/4.8/include-fixed/stdio.h +++ b/lib/gcc/aarch64-linux-android/4.8/include-fixed/stdio.h @@ -50,12 +50,7 @@ #include <sys/cdefs.h> #include <sys/types.h> -/* __gnuc_va_list and size_t must be defined by stdio.h according to Posix */ -#define __need___va_list #include <stdarg.h> - -/* note that this forces stddef.h to *only* define size_t */ -#define __need_size_t #include <stddef.h> #define __need_NULL @@ -153,11 +148,12 @@ __END_DECLS #define __SMBF 0x0080 /* _buf is from malloc */ #define __SAPP 0x0100 /* fdopen()ed in append mode */ #define __SSTR 0x0200 /* this is an sprintf/snprintf string */ -#define __SOPT 0x0400 /* do fseek() optimisation */ -#define __SNPT 0x0800 /* do not do fseek() optimisation */ +#define __SOPT 0x0400 /* do fseek() optimization */ +#define __SNPT 0x0800 /* do not do fseek() optimization */ #define __SOFF 0x1000 /* set iff _offset is in fact correct */ #define __SMOD 0x2000 /* true => fgetln modified _p text */ #define __SALC 0x4000 /* allocate string space dynamically */ +#define __SIGN 0x8000 /* ignore this file in _fwalk */ /* * The following three definitions are for ANSI C, which took them @@ -173,14 +169,14 @@ __END_DECLS #define _IONBF 2 /* setvbuf should set unbuffered */ #define BUFSIZ 1024 /* size of buffer used by setbuf */ - #define EOF (-1) /* - * FOPEN_MAX is a minimum maximum, and should be the number of descriptors - * that the kernel can provide without allocation of a resource that can - * fail without the process sleeping. Do not use this for anything. + * FOPEN_MAX is a minimum maximum, and is the number of streams that + * stdio can provide without attempting to allocate further resources + * (which could fail). Do not use this for anything. */ + #define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */ #define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */ @@ -191,6 +187,7 @@ __END_DECLS #define L_tmpnam 1024 /* XXX must be == PATH_MAX */ #define TMP_MAX 308915776 +/* Always ensure that these are consistent with <fcntl.h> and <unistd.h>! */ #ifndef SEEK_SET #define SEEK_SET 0 /* set file offset to offset */ #endif @@ -215,66 +212,86 @@ int feof(FILE *); int ferror(FILE *); int fflush(FILE *); int fgetc(FILE *); -int fgetpos(FILE *, fpos_t *); -char *fgets(char *, int, FILE *); -FILE *fopen(const char *, const char *); -int fprintf(FILE *, const char *, ...); +char *fgets(char * __restrict, int, FILE * __restrict); +FILE *fopen(const char * __restrict , const char * __restrict); +int fprintf(FILE * __restrict , const char * __restrict, ...) + __printflike(2, 3); int fputc(int, FILE *); -int fputs(const char *, FILE *); -size_t fread(void *, size_t, size_t, FILE *); -FILE *freopen(const char *, const char *, FILE *); -int fscanf(FILE *, const char *, ...); +int fputs(const char * __restrict, FILE * __restrict); +size_t fread(void * __restrict, size_t, size_t, FILE * __restrict); +FILE *freopen(const char * __restrict, const char * __restrict, + FILE * __restrict); +int fscanf(FILE * __restrict, const char * __restrict, ...) + __scanflike(2, 3); int fseek(FILE *, long, int); -int fseeko(FILE *, off_t, int); -int fsetpos(FILE *, const fpos_t *); long ftell(FILE *); -off_t ftello(FILE *); -size_t fwrite(const void *, size_t, size_t, FILE *); +size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict); int getc(FILE *); int getchar(void); -char *gets(char *); +ssize_t getdelim(char ** __restrict, size_t * __restrict, int, + FILE * __restrict); +ssize_t getline(char ** __restrict, size_t * __restrict, FILE * __restrict); + #if __BSD_VISIBLE && !defined(__SYS_ERRLIST) #define __SYS_ERRLIST - extern int sys_nerr; /* perror(3) external variables */ extern char *sys_errlist[]; #endif + void perror(const char *); -int printf(const char *, ...); +int printf(const char * __restrict, ...) + __printflike(1, 2); int putc(int, FILE *); int putchar(int); int puts(const char *); int remove(const char *); -int rename(const char *, const char *); void rewind(FILE *); -int scanf(const char *, ...); -void setbuf(FILE *, char *); -int setvbuf(FILE *, char *, int, size_t); -int sprintf(char *, const char *, ...); -int sscanf(const char *, const char *, ...); +int scanf(const char * __restrict, ...) + __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); FILE *tmpfile(void); -char *tmpnam(char *); int ungetc(int, FILE *); -int vfprintf(FILE *, const char *, __gnuc_va_list); -int vprintf(const char *, __gnuc_va_list); -int vsprintf(char *, const char *, __gnuc_va_list); +int vfprintf(FILE * __restrict, const char * __restrict, __gnuc_va_list) + __printflike(2, 0); +int vprintf(const char * __restrict, __gnuc_va_list) + __printflike(1, 0); + +#ifndef __AUDIT__ +char* gets(char*) __warnattr("gets is very unsafe; consider using fgets"); +int sprintf(char* __restrict, const char* __restrict, ...) + __printflike(2, 3); //__warnattr("sprintf is often misused; please use snprintf"); +char* tmpnam(char*) __warnattr("tmpnam possibly used unsafely; consider using mkstemp"); +int vsprintf(char* __restrict, const char* __restrict, __gnuc_va_list) + __printflike(2, 0); //__warnattr("vsprintf is often misused; please use vsnprintf"); +#if __XPG_VISIBLE +char* tempnam(const char*, const char*) + __warnattr("tempnam possibly used unsafely; consider using mkstemp"); +#endif +#endif + +extern int rename(const char*, const char*); +extern int renameat(int, const char*, int, const char*); + +int fgetpos(FILE * __restrict, fpos_t * __restrict); +int fsetpos(FILE *, const fpos_t *); + +int fseeko(FILE *, off_t, int); +off_t ftello(FILE *); #if __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE -int snprintf(char *, size_t, const char *, ...) - __attribute__((__format__ (printf, 3, 4))) - __attribute__((__nonnull__ (3))); -int vfscanf(FILE *, const char *, __gnuc_va_list) - __attribute__((__format__ (scanf, 2, 0))) - __attribute__((__nonnull__ (2))); +int snprintf(char * __restrict, size_t, const char * __restrict, ...) + __printflike(3, 4); +int vfscanf(FILE * __restrict, const char * __restrict, __gnuc_va_list) + __scanflike(2, 0); int vscanf(const char *, __gnuc_va_list) - __attribute__((__format__ (scanf, 1, 0))) - __attribute__((__nonnull__ (1))); -int vsnprintf(char *, size_t, const char *, __gnuc_va_list) - __attribute__((__format__ (printf, 3, 0))) - __attribute__((__nonnull__ (3))); -int vsscanf(const char *, const char *, __gnuc_va_list) - __attribute__((__format__ (scanf, 2, 0))) - __attribute__((__nonnull__ (2))); + __scanflike(1, 0); +int vsnprintf(char * __restrict, size_t, const char * __restrict, __gnuc_va_list) + __printflike(3, 0); +int vsscanf(const char * __restrict, const char * __restrict, __gnuc_va_list) + __scanflike(2, 0); #endif /* __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE */ __END_DECLS @@ -315,9 +332,6 @@ int putc_unlocked(int, FILE *); int putchar_unlocked(int); #endif /* __POSIX_VISIBLE >= 199506 */ -#if __XPG_VISIBLE -char *tempnam(const char *, const char *); -#endif __END_DECLS #endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */ @@ -327,18 +341,17 @@ __END_DECLS */ #if __BSD_VISIBLE __BEGIN_DECLS -int asprintf(char **, const char *, ...) - __attribute__((__format__ (printf, 2, 3))) - __attribute__((__nonnull__ (2))); -char *fgetln(FILE *, size_t *); +int asprintf(char ** __restrict, const char * __restrict, ...) + __printflike(2, 3); +char *fgetln(FILE * __restrict, size_t * __restrict); int fpurge(FILE *); int getw(FILE *); int putw(int, FILE *); void setbuffer(FILE *, char *, int); int setlinebuf(FILE *); -int vasprintf(char **, const char *, __gnuc_va_list) - __attribute__((__format__ (printf, 2, 0))) - __attribute__((__nonnull__ (2))); +int vasprintf(char ** __restrict, const char * __restrict, + __gnuc_va_list) + __printflike(2, 0); __END_DECLS /* @@ -355,87 +368,110 @@ __END_DECLS #define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) #endif /* __BSD_VISIBLE */ +#ifdef _GNU_SOURCE /* - * Functions internal to the implementation. + * glibc defines dprintf(int, const char*, ...), which is poorly named + * and likely to conflict with locally defined debugging printfs + * fdprintf is a better name, and some programs that use fdprintf use a + * #define fdprintf dprintf for compatibility */ __BEGIN_DECLS -int __srget(FILE *); -int __swbuf(int, FILE *); +int fdprintf(int, const char*, ...) + __printflike(2, 3); +int vfdprintf(int, const char*, __gnuc_va_list) + __printflike(2, 0); __END_DECLS +#endif /* _GNU_SOURCE */ -/* - * The __sfoo macros are here so that we can - * define function versions in the C library. - */ -#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++)) -#if defined(__GNUC__) -static __inline int __sputc(int _c, FILE *_p) { - if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n')) - return (*_p->_p++ = _c); - else - return (__swbuf(_c, _p)); -} -#else -/* - * This has been tuned to generate reasonable code on the vax using pcc. - */ -#define __sputc(c, p) \ - (--(p)->_w < 0 ? \ - (p)->_w >= (p)->_lbfsize ? \ - (*(p)->_p = (c)), *(p)->_p != '\n' ? \ - (int)*(p)->_p++ : \ - __swbuf('\n', p) : \ - __swbuf((int)(c), p) : \ - (*(p)->_p = (c), (int)*(p)->_p++)) -#endif +#if defined(__BIONIC_FORTIFY) + +__BEGIN_DECLS -#define __sfeof(p) (((p)->_flags & __SEOF) != 0) -#define __sferror(p) (((p)->_flags & __SERR) != 0) -#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF))) -#define __sfileno(p) ((p)->_file) +__BIONIC_FORTIFY_INLINE +__printflike(3, 0) +int vsnprintf(char *dest, size_t size, const char *format, __va_list ap) +{ + return __builtin___vsnprintf_chk(dest, size, 0, __bos(dest), format, ap); +} -#define feof(p) __sfeof(p) -#define ferror(p) __sferror(p) +__BIONIC_FORTIFY_INLINE +__printflike(2, 0) +int vsprintf(char *dest, const char *format, __va_list ap) +{ + return __builtin___vsprintf_chk(dest, 0, __bos(dest), format, ap); +} -#ifndef _POSIX_THREADS -#define clearerr(p) __sclearerr(p) +#if defined(__clang__) + #if !defined(snprintf) + #define __wrap_snprintf(dest, size, ...) __builtin___snprintf_chk(dest, size, 0, __bos(dest), __VA_ARGS__) + #define snprintf(...) __wrap_snprintf(__VA_ARGS__) + #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()); +} #endif -#if __POSIX_VISIBLE -#define fileno(p) __sfileno(p) +#if defined(__clang__) + #if !defined(sprintf) + #define __wrap_sprintf(dest, ...) __builtin___sprintf_chk(dest, 0, __bos(dest), __VA_ARGS__) + #define sprintf(...) __wrap_sprintf(__VA_ARGS__) + #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()); +} #endif -#ifndef lint -#ifndef _POSIX_THREADS -#define getc(fp) __sgetc(fp) -#endif /* _POSIX_THREADS */ -#define getc_unlocked(fp) __sgetc(fp) -/* - * The macro implementations of putc and putc_unlocked are not - * fully POSIX compliant; they do not set errno on failure - */ -#if __BSD_VISIBLE -#ifndef _POSIX_THREADS -#define putc(x, fp) __sputc(x, fp) -#endif /* _POSIX_THREADS */ -#define putc_unlocked(x, fp) __sputc(x, fp) -#endif /* __BSD_VISIBLE */ -#endif /* lint */ +extern char* __fgets_chk(char*, int, FILE*, size_t); +extern char* __fgets_real(char*, int, FILE*) __asm__(__USER_LABEL_PREFIX__ "fgets"); +__errordecl(__fgets_too_big_error, "fgets called with size bigger than buffer"); +__errordecl(__fgets_too_small_error, "fgets called with size less than zero"); + +#if !defined(__clang__) + +__BIONIC_FORTIFY_INLINE +char *fgets(char* dest, int size, FILE* stream) { + size_t bos = __bos(dest); + + // Compiler can prove, at compile time, that the passed in size + // is always negative. Force a compiler error. + if (__builtin_constant_p(size) && (size < 0)) { + __fgets_too_small_error(); + } + + // Compiler doesn't know destination size. Don't call __fgets_chk + if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) { + return __fgets_real(dest, size, stream); + } + + // Compiler can prove, at compile time, that the passed in size + // is always <= the actual object size. Don't call __fgets_chk + if (__builtin_constant_p(size) && (size <= (int) bos)) { + return __fgets_real(dest, size, stream); + } + + // Compiler can prove, at compile time, that the passed in size + // is always > the actual object size. Force a compiler error. + if (__builtin_constant_p(size) && (size > (int) bos)) { + __fgets_too_big_error(); + } + + return __fgets_chk(dest, size, stream, bos); +} -#define getchar() getc(stdin) -#define putchar(x) putc(x, stdout) -#define getchar_unlocked() getc_unlocked(stdin) -#define putchar_unlocked(c) putc_unlocked(c, stdout) +#endif /* !defined(__clang__) */ -#ifdef _GNU_SOURCE -/* - * glibc defines dprintf(int, const char*, ...), which is poorly named - * and likely to conflict with locally defined debugging printfs - * fdprintf is a better name, and some programs that use fdprintf use a - * #define fdprintf dprintf for compatibility - */ -int fdprintf(int, const char*, ...); -int vfdprintf(int, const char*, __gnuc_va_list); -#endif /* _GNU_SOURCE */ +__END_DECLS + +#endif /* defined(__BIONIC_FORTIFY) */ #endif /* _STDIO_H_ */ |