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‣ merge from mksh R40-stable

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use common macro bodies shf_{get,put}c_ for definition
of shf_{put,get}c as functions (MKSH_SMALL) or macros, respectively
This commit is contained in:
tg 2011-07-16 17:07:35 +00:00
parent 851f8fb7d8
commit 8d1edbd95e
2 changed files with 15 additions and 15 deletions
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22
sh.h
View File

@ -151,7 +151,7 @@
#endif #endif
#ifdef EXTERN #ifdef EXTERN
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.484 2011/07/07 20:24:52 tg Exp $"); __RCSID("$MirOS: src/bin/mksh/sh.h,v 1.485 2011/07/16 17:07:34 tg Exp $");
#endif #endif
#define MKSH_VERSION "R40 2011/07/07" #define MKSH_VERSION "R40 2011/07/07"
@ -877,21 +877,16 @@ EXTERN mksh_ari_t x_lins I__(-1); /* tty lines */
* Shell file I/O routines * Shell file I/O routines
*/ */
#define SHF_BSIZE 512 #define SHF_BSIZE 512
#define shf_fileno(shf) ((shf)->fd) #define shf_fileno(shf) ((shf)->fd)
#define shf_setfileno(shf,nfd) ((shf)->fd = (nfd)) #define shf_setfileno(shf,nfd) ((shf)->fd = (nfd))
#ifdef MKSH_SMALL #define shf_getc_(shf) ((shf)->rnleft > 0 ? \
int shf_getc(struct shf *);
int shf_putc(int, struct shf *);
#else
#define shf_getc(shf) ((shf)->rnleft > 0 ? \
(shf)->rnleft--, *(shf)->rp++ : \ (shf)->rnleft--, *(shf)->rp++ : \
shf_getchar(shf)) shf_getchar(shf))
#define shf_putc(c, shf) ((shf)->wnleft == 0 ? \ #define shf_putc_(c, shf) ((shf)->wnleft == 0 ? \
shf_putchar((c), (shf)) : \ shf_putchar((c), (shf)) : \
((shf)->wnleft--, *(shf)->wp++ = (c))) ((shf)->wnleft--, *(shf)->wp++ = (c)))
#endif
#define shf_eof(shf) ((shf)->flags & SHF_EOF) #define shf_eof(shf) ((shf)->flags & SHF_EOF)
#define shf_error(shf) ((shf)->flags & SHF_ERROR) #define shf_error(shf) ((shf)->flags & SHF_ERROR)
#define shf_errno(shf) ((shf)->errno_) #define shf_errno(shf) ((shf)->errno_)
@ -1778,6 +1773,13 @@ int shf_read(char *, int, struct shf *);
char *shf_getse(char *, int, struct shf *); char *shf_getse(char *, int, struct shf *);
int shf_getchar(struct shf *s); int shf_getchar(struct shf *s);
int shf_ungetc(int, struct shf *); int shf_ungetc(int, struct shf *);
#ifdef MKSH_SMALL
int shf_getc(struct shf *);
int shf_putc(int, struct shf *);
#else
#define shf_getc shf_getc_
#define shf_putc shf_putc_
#endif
int shf_putchar(int, struct shf *); int shf_putchar(int, struct shf *);
int shf_puts(const char *, struct shf *); int shf_puts(const char *, struct shf *);
int shf_write(const char *, int, struct shf *); int shf_write(const char *, int, struct shf *);

8
shf.c
View File

@ -24,7 +24,7 @@
#include "sh.h" #include "sh.h"
__RCSID("$MirOS: src/bin/mksh/shf.c,v 1.41 2011/03/13 01:20:23 tg Exp $"); __RCSID("$MirOS: src/bin/mksh/shf.c,v 1.42 2011/07/16 17:07:35 tg Exp $");
/* flags to shf_emptybuf() */ /* flags to shf_emptybuf() */
#define EB_READSW 0x01 /* about to switch to reading */ #define EB_READSW 0x01 /* about to switch to reading */
@ -1028,14 +1028,12 @@ shf_vfprintf(struct shf *shf, const char *fmt, va_list args)
int int
shf_getc(struct shf *shf) shf_getc(struct shf *shf)
{ {
return ((shf)->rnleft > 0 ? (shf)->rnleft--, *(shf)->rp++ : return (shf_getc_(shf));
shf_getchar(shf));
} }
int int
shf_putc(int c, struct shf *shf) shf_putc(int c, struct shf *shf)
{ {
return ((shf)->wnleft == 0 ? shf_putchar((c), (shf)) : return (shf_putc_(c, shf));
((shf)->wnleft--, *(shf)->wp++ = (c)));
} }
#endif #endif