AIX: revert xsetprogname and xgetprogname

lib/CMakeLists.txt

@@ -74,6 +74,10 @@ if(WITH_CAP)
 	target_link_libraries(librpm PRIVATE PkgConfig::LIBCAP)
 endif()
 
+if(NOT HAVE_SETPROGNAME AND NOT HAVE___PROGNAME)
+	target_link_libraries(librpm PRIVATE libmisc)
+endif()
+
 add_custom_command(OUTPUT tagtbl.inc
 	COMMAND AWK=${AWK} ${CMAKE_CURRENT_SOURCE_DIR}/gentagtbl.sh ${CMAKE_SOURCE_DIR}/include/rpm/rpmtag.h > tagtbl.inc
 	DEPENDS ${CMAKE_SOURCE_DIR}/include/rpm/rpmtag.h gentagtbl.sh

misc/CMakeLists.txt

@@ -1,2 +1,2 @@
-add_library(libmisc OBJECT fts.c rpmfts.h)
+add_library(libmisc OBJECT fts.c rpmfts.h rpmxprogname.c rpmxprogname.h)
 target_include_directories(libmisc PRIVATE ${Intl_INCLUDE_DIRS})

misc/rpmxprogname.c

@@ -0,0 +1,31 @@
+/* Original author:  Kamil Rytarowski
+   File:             rpmxprogname.c
+   Date of creation: 2013-08-10
+   License:          the same as RPM itself */
+
+#include "rpmxprogname.h"
+
+#include <string.h> /* strrchr */
+
+const char *_rpmxprogname = NULL;
+
+const char *_rpmxgetprogname(void)
+{
+  const char *empty = "";
+
+  if (_rpmxprogname != NULL) /* never return NULL string */
+    return _rpmxprogname;
+  else
+    return empty;
+}
+
+void _rpmxsetprogname(const char *pn)
+{
+  if (pn != NULL && _rpmxprogname == NULL /* set the value only once */) {
+    char *p = strrchr(pn, '/'); /* locate the last occurrence of '/' */
+    if (p != NULL)
+      _rpmxprogname = p + 1 /* strip beginning '/' */;
+    else
+      _rpmxprogname = pn;
+  }
+}

misc/rpmxprogname.h

@@ -0,0 +1,21 @@
+/* Original author:  Kamil Rytarowski
+   File:             rpmxprogname.c
+   Date of creation: 2013-08-10
+   License:          the same as RPM itself */
+
+#ifndef _RPMXPROGNAME_H
+#define _RPMXPROGNAME_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+const char *_rpmxgetprogname(void);
+void _rpmxsetprogname(const char *pn);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RPMXPROGNAME_H */
+

misc/system.h

@@ -85,8 +85,10 @@ extern int fdatasync(int fildes);
 # define xsetprogname(pn)
   extern const char *__progname;
 # define xgetprogname(pn) __progname
-#else
-# error "Did not find any sutable implementation of xsetprogname/xgetprogname"
+#else /* Reimplement setprogname and getprogname */
+# include "rpmxprogname.h"
+# define xsetprogname(pn) _rpmxsetprogname(pn)
+# define xgetprogname() _rpmxgetprogname()
 #endif
 
 /* Take care of NLS matters.  */