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am 7cc4d2ef: am cdcef73a: Merge "Add non-macro stdin/stdout/stderr too."

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* commit '7cc4d2efa9a89928c3ff51d171f7a03e12793038':
  Add non-macro stdin/stdout/stderr too.
This commit is contained in:
Elliott Hughes
2014-11-14 23:00:56 +00:00
committed by Android Git Automerger
parent a3a78ab168 7cc4d2efa9
commit 2ee4e1a137
3 changed files with 13 additions and 9 deletions
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13
libc/include/stdio.h
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@@ -146,7 +146,16 @@ typedef struct __sFILE {
fpos_t _offset; /* current lseek offset */ fpos_t _offset; /* current lseek offset */
} FILE; } FILE;
/* Legacy BSD implementation of stdin/stdout/stderr. */
extern FILE __sF[]; extern FILE __sF[];
/* More obvious implementation. */
extern FILE* stdin;
extern FILE* stdout;
extern FILE* stderr;
/* C99 and earlier plus current C++ standards say these must be macros. */
#define stdin stdin
#define stdout stdout
#define stderr stderr
#define __SLBF 0x0001 /* line buffered */ #define __SLBF 0x0001 /* line buffered */
#define __SNBF 0x0002 /* unbuffered */ #define __SNBF 0x0002 /* unbuffered */
@@ -209,10 +218,6 @@ extern FILE __sF[];
#define SEEK_END 2 /* set file offset to EOF plus offset */ #define SEEK_END 2 /* set file offset to EOF plus offset */
#endif #endif
#define stdin (&__sF[0])
#define stdout (&__sF[1])
#define stderr (&__sF[2])
/* /*
* Functions defined in ANSI C standard. * Functions defined in ANSI C standard.
*/ */

4
libc/stdio/fileext.h
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@@ -43,10 +43,6 @@ struct __sfileext {
pthread_mutex_t _lock; /* file lock */ pthread_mutex_t _lock; /* file lock */
}; };
__LIBC_HIDDEN__ extern struct __sfileext __sFext[3];
#define _FILEEXT_INITIALIZER {{NULL,0},{0},PTHREAD_RECURSIVE_MUTEX_INITIALIZER}
#define _EXT(fp) ((struct __sfileext *)((fp)->_ext._base)) #define _EXT(fp) ((struct __sfileext *)((fp)->_ext._base))
#define _UB(fp) _EXT(fp)->_ub #define _UB(fp) _EXT(fp)->_ub
#define _FLOCK(fp) _EXT(fp)->_lock #define _FLOCK(fp) _EXT(fp)->_lock

5
libc/stdio/findfp.c
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@@ -59,12 +59,15 @@ static struct glue uglue = { 0, FOPEN_MAX - 3, usual };
static struct glue *lastglue = &uglue; static struct glue *lastglue = &uglue;
_THREAD_PRIVATE_MUTEX(__sfp_mutex); _THREAD_PRIVATE_MUTEX(__sfp_mutex);
struct __sfileext __sFext[3]; static struct __sfileext __sFext[3];
FILE __sF[3] = { FILE __sF[3] = {
std(__SRD, STDIN_FILENO), /* stdin */ std(__SRD, STDIN_FILENO), /* stdin */
std(__SWR, STDOUT_FILENO), /* stdout */ std(__SWR, STDOUT_FILENO), /* stdout */
std(__SWR|__SNBF, STDERR_FILENO) /* stderr */ std(__SWR|__SNBF, STDERR_FILENO) /* stderr */
}; };
FILE* stdin = &__sF[0];
FILE* stdout = &__sF[1];
FILE* stderr = &__sF[2];
struct glue __sglue = { &uglue, 3, __sF }; struct glue __sglue = { &uglue, 3, __sF };
static struct glue * static struct glue *