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lib/widget/input_complete.c: refactoring:

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* (filename_completion_function): use GString to ret rid of hand-made
  low-level memory allocation.
  * (variable_completion_function): likewise.
  * (hostname_completion_function): likewise.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2013-01-26 17:10:06 +04:00 committed by Slava Zanko
parent f866709186
commit c308d5ed21
1 changed files with 41 additions and 41 deletions
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82
lib/widget/input_complete.c
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@ -280,32 +280,25 @@ filename_completion_function (const char *text, int state, input_complete_t flag
users_dirname = NULL;
return NULL;
}
else
{
char *temp;
GString *temp;
if (users_dirname && (users_dirname[0] != '.' || users_dirname[1]))
temp = g_string_sized_new (16);
if (users_dirname != NULL && (users_dirname[0] != '.' || users_dirname[1] != '\0'))
{
size_t dirlen = strlen (users_dirname);
temp = g_malloc (3 + dirlen + NLENGTH (entry));
strcpy (temp, users_dirname);
g_string_append (temp, users_dirname);
/* We need a `/' at the end. */
if (users_dirname[dirlen - 1] != PATH_SEP)
{
temp[dirlen] = PATH_SEP;
temp[dirlen + 1] = '\0';
}
strcat (temp, entry->d_name);
}
else
{
temp = g_malloc (2 + NLENGTH (entry));
strcpy (temp, entry->d_name);
if (temp->str[temp->len - 1] != PATH_SEP)
g_string_append_c (temp, PATH_SEP);
}
g_string_append (temp, entry->d_name);
if (isdir)
strcat (temp, PATH_SEP_STR);
g_string_append_c (temp, PATH_SEP);
return temp;
return g_string_free (temp, FALSE);
}
}
@ -353,7 +346,8 @@ static char *
variable_completion_function (const char *text, int state, input_complete_t flags)
{
static char **env_p;
static int varlen, isbrace;
static unsigned int isbrace;
static size_t varlen;
const char *p = NULL;
(void) flags;
@ -361,7 +355,7 @@ variable_completion_function (const char *text, int state, input_complete_t flag
if (state == 0)
{ /* Initialization stuff */
isbrace = (text[1] == '{');
isbrace = (text[1] == '{') ? 1 : 0;
varlen = strlen (text + 1 + isbrace);
env_p = environ;
}
@ -369,7 +363,7 @@ variable_completion_function (const char *text, int state, input_complete_t flag
while (*env_p)
{
p = strchr (*env_p, '=');
if (p && p - *env_p >= varlen && !strncmp (text + 1 + isbrace, *env_p, varlen))
if (p && ((size_t) (p - *env_p) >= varlen) && !strncmp (text + 1 + isbrace, *env_p, varlen))
break;
env_p++;
}
@ -378,18 +372,20 @@ variable_completion_function (const char *text, int state, input_complete_t flag
return NULL;
{
char *temp = g_malloc (2 + 2 * isbrace + p - *env_p);
GString *temp;
temp = g_string_new_len (*env_p, p - *env_p);
if (isbrace != 0)
{
g_string_prepend_c (temp, '{');
g_string_append_c (temp, '}');
}
g_string_prepend_c (temp, '$');
*temp = '$';
if (isbrace)
temp[1] = '{';
memcpy (temp + 1 + isbrace, *env_p, p - *env_p);
if (isbrace)
strcpy (temp + 2 + (p - *env_p), "}");
else
temp[1 + p - *env_p] = 0;
env_p++;
return temp;
return g_string_free (temp, FALSE);
}
}
@ -484,7 +480,8 @@ static char *
hostname_completion_function (const char *text, int state, input_complete_t flags)
{
static char **host_p;
static int textstart, textlen;
static unsigned int textstart;
static size_t textlen;
(void) flags;
SHOW_C_CTX ("hostname_completion_function");
@ -525,15 +522,18 @@ hostname_completion_function (const char *text, int state, input_complete_t flag
hosts = NULL;
return NULL;
}
else
{
char *temp = g_malloc (2 + strlen (*host_p));
if (textstart)
*temp = '@';
strcpy (temp + textstart, *host_p);
{
GString *temp;
temp = g_string_sized_new (8);
if (textstart != 0)
g_string_append_c (temp, '@');
g_string_append (temp, *host_p);
host_p++;
return temp;
return g_string_free (temp, FALSE);
}
}
@ -940,7 +940,7 @@ try_complete_all_possible (try_complete_automation_state_t * state, char *text,
for (state->p += 2;
*state->p && state->p < state->q && (*state->p == ' ' || *state->p == '\t');
str_next_char (&state->p))
;
;
if (state->p == state->q)
{
char *const cdpath_ref = g_strdup (getenv ("CDPATH"));