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Use the _unlocked stdio macros only when they're all available

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Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Dan Fandrich 2011-06-30 02:59:17 +02:00 committed by Denys Vlasenko
parent 0c4cf42c1e
commit 75214cfe00
2 changed files with 25 additions and 21 deletions
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36
include/libbb.h
View File

@ -161,23 +161,27 @@ int sysinfo(struct sysinfo* info);
/* Busybox does not use threads, we can speed up stdio. */
#undef getc
#define getc(stream) getc_unlocked(stream)
#undef getchar
#define getchar() getchar_unlocked()
#undef putc
#define putc(c, stream) putc_unlocked(c, stream)
#undef putchar
#define putchar(c) putchar_unlocked(c)
#undef fgetc
#define fgetc(stream) getc_unlocked(stream)
#undef fputc
#define fputc(c, stream) putc_unlocked(c, stream)
#ifdef HAVE_UNLOCKED_STDIO
# undef getc
# define getc(stream) getc_unlocked(stream)
# undef getchar
# define getchar() getchar_unlocked()
# undef putc
# define putc(c, stream) putc_unlocked(c, stream)
# undef putchar
# define putchar(c) putchar_unlocked(c)
# undef fgetc
# define fgetc(stream) getc_unlocked(stream)
# undef fputc
# define fputc(c, stream) putc_unlocked(c, stream)
#endif
/* Above functions are required by POSIX.1-2008, below ones are extensions */
#undef fgets
#define fgets(s, n, stream) fgets_unlocked(s, n, stream)
#undef fputs
#define fputs(s, stream) fputs_unlocked(s, stream)
#ifdef HAVE_UNLOCKED_LINE_OPS
# undef fgets
# define fgets(s, n, stream) fgets_unlocked(s, n, stream)
# undef fputs
# define fputs(s, stream) fputs_unlocked(s, stream)
#endif
/* Make all declarations hidden (-fvisibility flag only affects definitions) */

10
include/platform.h
View File

@ -350,16 +350,14 @@ typedef unsigned smalluint;
#define HAVE_STRSIGNAL 1
#define HAVE_STRVERSCMP 1
#define HAVE_VASPRINTF 1
#define HAVE_UNLOCKED_STDIO 1
#define HAVE_UNLOCKED_LINE_OPS 1
#define HAVE_GETLINE 1
#define HAVE_XTABS 1
#define HAVE_MNTENT_H 1
#define HAVE_NET_ETHERNET_H 1
#define HAVE_SYS_STATFS_H 1
#if defined(__GLIBC__) && (__GLIBC__ < 2 || __GLIBC_MINOR__ < 1)
# undef HAVE_NET_ETHERNET_H
#endif
#if defined(__UCLIBC_MAJOR__)
# if __UCLIBC_MAJOR__ == 0 \
&& ( __UCLIBC_MINOR__ < 9 \
@ -369,7 +367,6 @@ typedef unsigned smalluint;
# endif
#endif
#if defined(__dietlibc__)
# undef HAVE_STRCHRNUL
#endif
@ -387,6 +384,8 @@ typedef unsigned smalluint;
# undef HAVE_STRSIGNAL
# undef HAVE_STRVERSCMP
# undef HAVE_VASPRINTF
# undef HAVE_UNLOCKED_STDIO
# undef HAVE_UNLOCKED_LINE_OPS
# undef HAVE_NET_ETHERNET_H
#endif
@ -424,6 +423,7 @@ typedef unsigned smalluint;
# undef HAVE_STPCPY
# undef HAVE_STRCHRNUL
# undef HAVE_STRVERSCMP
# undef HAVE_UNLOCKED_LINE_OPS
# undef HAVE_NET_ETHERNET_H
#endif