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authorRich Felker <dalias@aerifal.cx>2014-01-06 22:03:38 -0500
committerRich Felker <dalias@aerifal.cx>2014-01-06 22:03:38 -0500
commit839cc4e6da609a0b24f6cc32b0b11558fd77dd83 (patch)
tree7fd422f53978a8630cd7264dc268fcbd72859ed6
parent1e7a581ad6e2b03e91748dd1295288e053f86e04 (diff)
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const-qualify the address argument to dladdr
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.
-rw-r--r--include/dlfcn.h2
-rw-r--r--src/ldso/dladdr.c4
-rw-r--r--src/ldso/dynlink.c4
3 files changed, 5 insertions, 5 deletions
diff --git a/include/dlfcn.h b/include/dlfcn.h
index db26194b..78fb0733 100644
--- a/include/dlfcn.h
+++ b/include/dlfcn.h
@@ -31,7 +31,7 @@ typedef struct {
const char *dli_sname;
void *dli_saddr;
} Dl_info;
-int dladdr(void *, Dl_info *);
+int dladdr(const void *, Dl_info *);
int dlinfo(void *, int, void *);
#endif
diff --git a/src/ldso/dladdr.c b/src/ldso/dladdr.c
index 265bb681..7ca718f4 100644
--- a/src/ldso/dladdr.c
+++ b/src/ldso/dladdr.c
@@ -1,9 +1,9 @@
#define _GNU_SOURCE
#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);
}
diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c
index 27d92f2b..89e1260b 100644
--- a/src/ldso/dynlink.c
+++ b/src/ldso/dynlink.c
@@ -1331,7 +1331,7 @@ failed:
return 0;
}
-int __dladdr(void *addr, Dl_info *info)
+int __dladdr(const void *addr, Dl_info *info)
{
struct dso *p;
Sym *sym;
@@ -1441,7 +1441,7 @@ void *__dlsym(void *restrict p, const char *restrict s, void *restrict ra)
{
return 0;
}
-int __dladdr (void *addr, Dl_info *info)
+int __dladdr (const void *addr, Dl_info *info)
{
return 0;
}