paxelf: constify pax_short_* helpers

3 files changed, 8 insertions, 9 deletions

diff --git a/paxelf.c b/paxelf.c
index c614e2d..c082178 100644
--- a/paxelf.c
+++ b/paxelf.c
@@ -726,7 +726,7 @@ void unreadelf(elfobj *elf)
 	free(elf);
 }
 
-char *pax_short_hf_flags(unsigned long flags)
+const char *pax_short_hf_flags(unsigned long flags)
 {
 	static char buffer[7];
 
@@ -746,7 +746,7 @@ char *pax_short_hf_flags(unsigned long flags)
  * lower case: explicitly disabled
  * upper case: explicitly enabled
  *      -    : default */
-char *pax_short_pf_flags(unsigned long flags)
+const char *pax_short_pf_flags(unsigned long flags)
 {
 	static char buffer[7];
 
@@ -772,7 +772,7 @@ char *pax_short_pf_flags(unsigned long flags)
 	return buffer;
 }
 
-char *gnu_short_stack_flags(unsigned long flags)
+const char *gnu_short_stack_flags(unsigned long flags)
 {
 	static char buffer[4];
 
diff --git a/paxelf.h b/paxelf.h
index 9d609b8..a82ca80 100644
--- a/paxelf.h
+++ b/paxelf.h
@@ -50,9 +50,9 @@ typedef struct {
 	(phdr && VALID_RANGE(elf, EGET(phdr->p_offset), EGET(phdr->p_filesz)))
 
 /* prototypes */
-extern char *pax_short_hf_flags(unsigned long flags);
-extern char *pax_short_pf_flags(unsigned long flags);
-extern char *gnu_short_stack_flags(unsigned long flags);
+extern const char *pax_short_hf_flags(unsigned long flags);
+extern const char *pax_short_pf_flags(unsigned long flags);
+extern const char *gnu_short_stack_flags(unsigned long flags);
 extern elfobj *readelf_buffer(const char *filename, void *buffer, size_t buffer_len);
 extern elfobj *_readelf_fd(const char *filename, int fd, size_t len, int read_only);
 #define readelf_fd(filename, fd, len) _readelf_fd(filename, fd, len, 1)
diff --git a/scanelf.c b/scanelf.c
index ddd7722..1ead891 100644
--- a/scanelf.c
+++ b/scanelf.c
@@ -358,7 +358,7 @@ static void scanelf_file_get_symtabs(elfobj *elf, void **sym, void **str)
 	warn("%s: ELF hash table is corrupt", elf->filename);
 }
 
-static char *scanelf_file_pax(elfobj *elf, char *found_pax)
+static const char *scanelf_file_pax(elfobj *elf, char *found_pax)
 {
 	static char ret[7];
 	unsigned long i, shown;
@@ -397,8 +397,7 @@ static char *scanelf_file_pax(elfobj *elf, char *found_pax)
 
 	/* fall back to EI_PAX if no PT_PAX was found */
 	if (!*ret) {
-		static char *paxflags;
-		paxflags = pax_short_hf_flags(EI_PAX_FLAGS(elf));
+		const char *paxflags = pax_short_hf_flags(EI_PAX_FLAGS(elf));
 		if (!be_quiet || (be_quiet && EI_PAX_FLAGS(elf))) {
 			*found_pax = 1;
 			return (be_wewy_wewy_quiet ? NULL : paxflags);