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vsh: Rework vshReadlineCommandGenerator()

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Firstly, move variable declarations into the inner most block
they are used. Secondly, use for() loop instead of while so that
we don't have to advance loop counter explicitly on 'continue'.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
This commit is contained in:
Michal Privoznik 2021-01-26 17:22:00 +01:00
parent 9b005b1967
commit 72636ed86d
1 changed files with 15 additions and 22 deletions
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37
tools/vsh.c
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@ -2566,37 +2566,30 @@ vshTreePrint(vshControl *ctl, vshTreeLookup lookup, void *opaque,
static char **
vshReadlineCommandGenerator(const char *text G_GNUC_UNUSED)
{
size_t grp_list_index = 0, cmd_list_index = 0;
const char *name;
size_t grp_list_index = 0;
const vshCmdGrp *grp;
const vshCmdDef *cmds;
size_t ret_size = 0;
g_auto(GStrv) ret = NULL;
grp = cmdGroups;
/* Return the next name which partially matches from the
* command list.
*/
while (grp[grp_list_index].name) {
cmds = grp[grp_list_index].commands;
for (grp_list_index = 0; grp[grp_list_index].name; grp_list_index++) {
const vshCmdDef *cmds = grp[grp_list_index].commands;
size_t cmd_list_index;
if (cmds[cmd_list_index].name) {
while ((name = cmds[cmd_list_index].name)) {
if (cmds[cmd_list_index++].flags & VSH_CMD_FLAG_ALIAS)
continue;
for (cmd_list_index = 0; cmds[cmd_list_index].name; cmd_list_index++) {
const char *name = cmds[cmd_list_index].name;
if (VIR_REALLOC_N(ret, ret_size + 2) < 0)
return NULL;
if (cmds[cmd_list_index].flags & VSH_CMD_FLAG_ALIAS)
continue;
ret[ret_size] = g_strdup(name);
ret_size++;
/* Terminate the string list properly. */
ret[ret_size] = NULL;
}
} else {
cmd_list_index = 0;
grp_list_index++;
if (VIR_REALLOC_N(ret, ret_size + 2) < 0)
return NULL;
ret[ret_size] = g_strdup(name);
ret_size++;
/* Terminate the string list properly. */
ret[ret_size] = NULL;
}
}