utils: Allow users to define LTTNG_MANPATH

[lttng-tools.git] / src / common / utils.cpp

diff --git a/src/common/utils.cpp b/src/common/utils.cpp
index 0f6e0362f2d32f6c557ffede0341ed0d829b2ff7..7cd61c049c3ffeae0b7bdcf74dc5a0eb9a6c58da 100644 (file)
--- a/src/common/utils.cpp
+++ b/src/common/utils.cpp
@@ -1020,10 +1020,23 @@ static const char *get_man_bin_path()
        return DEFAULT_MAN_BIN_PATH;
 }
 
+static const char *get_manpath()
+{
+       char *manpath = lttng_secure_getenv(DEFAULT_MANPATH);
+
+       if (manpath) {
+               return manpath;
+       }
+
+       /* As defined during configuration. */
+       return MANPATH;
+}
+
 int utils_show_help(int section, const char *page_name, const char *help_msg)
 {
        char section_string[8];
        const char *man_bin_path = get_man_bin_path();
+       const char *manpath = get_manpath();
        int ret = 0;
 
        if (help_msg) {
@@ -1042,7 +1055,7 @@ int utils_show_help(int section, const char *page_name, const char *help_msg)
         * be installed outside /usr, in which case its man pages are
         * not located in the default /usr/share/man directory.
         */
-       ret = execlp(man_bin_path, "man", "-M", MANPATH, section_string, page_name, NULL);
+       ret = execlp(man_bin_path, "man", "-M", manpath, section_string, page_name, NULL);
 
 end:
        return ret;