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thanks to ISC (Interactive) Unix, we now know a few samples of errnos

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that get used, plus one for the realpath-1 regression test; also make
sys_siglist_decl detection nicer and poison strerror() with non-const
return value ifdef DEBUG, make it always const
This commit is contained in:
tg
2012-12-17 23:18:11 +00:00
parent 006d2c3c02
commit 12c662b6e2
10 changed files with 151 additions and 76 deletions
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13
sh.h
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@ -94,6 +94,10 @@
/* shudder… */
#include <termio.h>
#endif
#ifdef _ISC_UNIX
/* XXX imake style */
#include <sys/sioctl.h>
#endif
#if HAVE_ULIMIT_H
#include <ulimit.h>
#endif
@ -160,7 +164,7 @@
#endif
#ifdef EXTERN
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.617 2012/12/17 22:14:26 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.618 2012/12/17 23:18:09 tg Exp $");
#endif
#define MKSH_VERSION "R41 2012/12/07"
@ -363,8 +367,11 @@ extern int getrusage(int, struct rusage *);
extern int revoke(const char *);
#endif
#if !HAVE_STRERROR
extern char *strerror(int);
#if defined(DEBUG) || !HAVE_STRERROR
#define strerror dontuse_strerror /* poisoned */
extern const char *cstrerror(int);
#else
#define cstrerror(errnum) ((const char *)strerror(errnum))
#endif
#if !HAVE_STRLCPY