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spawn: fix crash with command starting with white space 

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2009-06-09 15:59:38 +02:00
parent ae2d037488
commit 20b3330862
1 changed files with 6 additions and 1 deletions
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7
spawn.c
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@ -279,7 +279,12 @@ luaA_spawn(lua_State *L)
if(use_sn) if(use_sn)
{ {
char *cmdname, *space; char *cmdname, *space;
if((space = strchr(cmd, ' '))) const char *first_no_space_char = cmd;
/* Look for the first char which is not space */
while(*first_no_space_char && *first_no_space_char == ' ')
first_no_space_char++;
/* Look for space in the string to get the command name. */
if((space = strchr(first_no_space_char, ' ')))
cmdname = a_strndup(cmd, space - cmd); cmdname = a_strndup(cmd, space - cmd);
else else
cmdname = a_strdup(cmd); cmdname = a_strdup(cmd);