Make uncompressed .so searching better.

(Portage version: 2.2_pre5)

1 files changed, 34 insertions, 0 deletions

diff --git a/sys-apps/man/files/man-1.6f-so-search.patch b/sys-apps/man/files/man-1.6f-so-search.patch
new file mode 100644
index 000000000000..d9d4af4fe346
--- /dev/null
+++ b/sys-apps/man/files/man-1.6f-so-search.patch
@@ -0,0 +1,34 @@
+improve the uncompressed .so search
+
+--- a/src/man.c
++++ b/src/man.c
+@@ -381,13 +381,23 @@ again:
+ 	  }
+ 	  /*
+ 	   * Some people have compressed man pages, but uncompressed
+-	   * .so files - we could glob for all possible extensions,
+-	   * for now: only try .gz
++	   * .so files - we should discover this list dynamically, but
++	   * for now just hardcode it.
+ 	   */
+-	  else if (fp == NULL && get_expander(".gz") &&
+-		   strlen(name)+strlen(".gz") < BUFSIZE) {
+-	       strcat(name, ".gz");
+-	       fp = fopen (name, "r");
++	  else if (fp == NULL) {
++#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
++	       size_t i, name_len = strlen(name);
++	       const char *extensions[] = { ".gz", ".bz2", ".lzma", ".z", ".Z" };
++	       for (i = 0; i < ARRAY_SIZE(extensions); ++i) {
++		    const char *comp = extensions[i];
++		    name[name_len] = '\0';
++		    if (get_expander(comp) && name_len+strlen(comp) < BUFSIZE) {
++			 strcat(name, comp);
++			 fp = fopen(name, "r");
++			 if (fp)
++			      break;
++		    }
++	       }
+ 	  }
+ 
+ 	  if (fp == NULL) {