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Add stpcpy to autoconf machinery

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* configure.ac: Add stpcpy to AC_CHECK_FUNCS.
* defs.h: Frame stpcpy with "if !defined HAVE_STPCPY".
* util.c: Likewise.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
This commit is contained in:
Denys Vlasenko
2011-09-01 16:31:48 +02:00
parent b9c7ae6211
commit 0a295bc97f
3 changed files with 5 additions and 0 deletions
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1
configure.ac
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@ -235,6 +235,7 @@ AC_CHECK_FUNCS([ \
strsignal \ strsignal \
sys_siglist \ sys_siglist \
_sys_siglist \ _sys_siglist \
stpcpy \
]) ])
AC_CHECK_HEADERS([ \ AC_CHECK_HEADERS([ \
inttypes.h \ inttypes.h \

2
defs.h
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@ -681,12 +681,14 @@ extern void tv_sub(struct timeval *, struct timeval *, struct timeval *);
extern void tv_mul(struct timeval *, struct timeval *, int); extern void tv_mul(struct timeval *, struct timeval *, int);
extern void tv_div(struct timeval *, struct timeval *, int); extern void tv_div(struct timeval *, struct timeval *, int);
#if !defined HAVE_STPCPY
/* Some libc have stpcpy, some don't. Sigh... /* Some libc have stpcpy, some don't. Sigh...
* Roll our private implementation... * Roll our private implementation...
*/ */
#undef stpcpy #undef stpcpy
#define stpcpy strace_stpcpy #define stpcpy strace_stpcpy
extern char *stpcpy(char *dst, const char *src); extern char *stpcpy(char *dst, const char *src);
#endif
#ifdef SUNOS4 #ifdef SUNOS4
extern int fixvfork(struct tcb *); extern int fixvfork(struct tcb *);

2
util.c
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@ -164,6 +164,7 @@ xlookup(const struct xlat *xlat, int val)
return NULL; return NULL;
} }
#if !defined HAVE_STPCPY
char * char *
stpcpy(char *dst, const char *src) stpcpy(char *dst, const char *src)
{ {
@ -171,6 +172,7 @@ stpcpy(char *dst, const char *src)
dst++; dst++;
return dst; return dst;
} }
#endif
/* /*
* Generic ptrace wrapper which tracks ESRCH errors * Generic ptrace wrapper which tracks ESRCH errors