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const-qualify the address argument to dladdr

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this agrees with implementation practice on glibc and BSD systems, and
is the const-correct way to do things; it eliminates warnings from
passing pointers to const. the prototype without const came from
seemingly erroneous man pages.
This commit is contained in:
Rich Felker 2014-01-06 22:03:38 -05:00
parent 1e7a581ad6
commit 839cc4e6da
3 changed files with 5 additions and 5 deletions
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2
include/dlfcn.h
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@ -31,7 +31,7 @@ typedef struct {
const char *dli_sname; const char *dli_sname;
void *dli_saddr; void *dli_saddr;
} Dl_info; } Dl_info;
int dladdr(void *, Dl_info *); int dladdr(const void *, Dl_info *);
int dlinfo(void *, int, void *); int dlinfo(void *, int, void *);
#endif #endif

4
src/ldso/dladdr.c
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@ -1,9 +1,9 @@
#define _GNU_SOURCE #define _GNU_SOURCE
#include <dlfcn.h> #include <dlfcn.h>
int __dladdr(void *, Dl_info *); int __dladdr(const void *, Dl_info *);
int dladdr(void *addr, Dl_info *info) int dladdr(const void *addr, Dl_info *info)
{ {
return __dladdr(addr, info); return __dladdr(addr, info);
} }

4
src/ldso/dynlink.c
View File

@ -1331,7 +1331,7 @@ failed:
return 0; return 0;
} }
int __dladdr(void *addr, Dl_info *info) int __dladdr(const void *addr, Dl_info *info)
{ {
struct dso *p; struct dso *p;
Sym *sym; Sym *sym;
@ -1441,7 +1441,7 @@ void *__dlsym(void *restrict p, const char *restrict s, void *restrict ra)
{ {
return 0; return 0;
} }
int __dladdr (void *addr, Dl_info *info) int __dladdr (const void *addr, Dl_info *info)
{ {
return 0; return 0;
} }