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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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20
Build.sh
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@ -1,5 +1,5 @@
#!/bin/sh
srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.601 2012/12/17 22:57:49 tg Exp $'
srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.602 2012/12/17 23:18:01 tg Exp $'
#-
# Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
# 2011, 2012
@ -1527,7 +1527,7 @@ else
#define EXTERN
#define MKSH_INCLUDES_ONLY
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/Build.sh,v 1.601 2012/12/17 22:57:49 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/Build.sh,v 1.602 2012/12/17 23:18:01 tg Exp $");
int main(void) { printf("Hello, World!\n"); return (0); }
EOF
case $cm in
@ -1779,6 +1779,12 @@ ac_test strerror <<-'EOF'
int main(int ac, char *av[]) { return (*strerror(*av[ac])); }
EOF
ac_test sys_errlist '!' strerror 0 "the sys_signame[] array and sys_nerr" <<-'EOF'
extern int sys_nerr;
extern char *sys_errlist[];
int main(void) { return (*sys_errlist[sys_nerr - 1]); }
EOF
ac_test strlcpy <<-'EOF'
#include <string.h>
int main(int ac, char *av[]) { return (strlcpy(*av, av[1],
@ -1805,11 +1811,15 @@ ac_test '!' revoke_decl revoke 1 'if revoke() does not need to be declared' <<-'
long revoke(void); /* this clashes if defined before */
int main(void) { return ((int)revoke()); }
EOF
ac_test '!' sys_siglist_decl sys_siglist 1 'if sys_siglist[] does not need to be declared' <<-'EOF'
ac_test sys_errlist_decl sys_errlist 0 "for declaration of sys_errlist[] and sys_nerr" <<-'EOF'
#define MKSH_INCLUDES_ONLY
#include "sh.h"
extern int sys_siglist[5][5][5][5][5]; /* this clashes happily */
int main(void) { return (sys_siglist[0][0][0][0][0]); }
int main(void) { return (*sys_errlist[sys_nerr - 1]); }
EOF
ac_test sys_siglist_decl sys_siglist 1 'for declaration of sys_siglist[]' <<-'EOF'
#define MKSH_INCLUDES_ONLY
#include "sh.h"
int main(void) { return (sys_siglist[0][0]); }
EOF
CC=$save_CC; LDFLAGS=$save_LDFLAGS; LIBS=$save_LIBS