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MINOR: lua: Add hlua_prepend_path function

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This function is added in preparation for following patches.
This commit is contained in:
Tim Duesterhus 2020-01-12 13:55:39 +01:00 committed by Willy Tarreau
parent bb2c4ae065
commit c9fc9f2836
1 changed files with 16 additions and 0 deletions
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16
src/hlua.c
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@ -7458,6 +7458,22 @@ static int hlua_load(char **args, int section_type, struct proxy *curpx,
return 0; return 0;
} }
/* Prepend the given <path> followed by a semicolon to the `package.<type>` variable
* in the given <ctx>.
*/
static int hlua_prepend_path(struct hlua ctx, char *type, char *path)
{
lua_getglobal(ctx.T, "package"); /* push package variable */
lua_pushstring(ctx.T, path); /* push given path */
lua_pushstring(ctx.T, ";"); /* push semicolon */
lua_getfield(ctx.T, -3, type); /* push old path */
lua_concat(ctx.T, 3); /* concatenate to new path */
lua_setfield(ctx.T, -2, type); /* store new path */
lua_pop(ctx.T, 1); /* pop package variable */
return 0;
}
/* configuration keywords declaration */ /* configuration keywords declaration */
static struct cfg_kw_list cfg_kws = {{ },{ static struct cfg_kw_list cfg_kws = {{ },{
{ CFG_GLOBAL, "lua-load", hlua_load }, { CFG_GLOBAL, "lua-load", hlua_load },