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(extract_line): optionally return the lengh of the line.

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Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2024-06-30 12:49:56 +03:00
parent bb5b35be9e
commit bb4e152c59
3 changed files with 8 additions and 4 deletions
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8
lib/util.c
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@ -634,8 +634,8 @@ load_mc_home_file (const char *from, const char *filename, char **allocated_file
/* --------------------------------------------------------------------------------------------- */
const char *
extract_line (const char *s, const char *top)
const const char *
extract_line (const char *s, const char *top, size_t *len)
{
static char tmp_line[BUF_MEDIUM];
char *t = tmp_line;
@ -643,6 +643,10 @@ extract_line (const char *s, const char *top)
while (*s != '\0' && *s != '\n' && (size_t) (t - tmp_line) < sizeof (tmp_line) - 1 && s < top)
*t++ = *s++;
*t = '\0';
if (len != NULL)
*len = (size_t) (t - tmp_line);
return tmp_line;
}

2
lib/util.h
View File

@ -198,7 +198,7 @@ const char *get_group (gid_t gid);
const char *get_owner (uid_t uid);
/* Returns a copy of *s until a \n is found and is below top */
const char *extract_line (const char *s, const char *top);
const const char *extract_line (const char *s, const char *top, size_t *len);
/* Process spawning */
int my_system (int flags, const char *shell, const char *command);

2
src/usermenu.c
View File

@ -1149,7 +1149,7 @@ user_menu_cmd (const Widget *edit_widget, const char *menu_file, int selected_en
{
p = entries[i];
LISTBOX_APPEND_TEXT (listbox, (unsigned char) p[0],
extract_line (p, p + MAX_ENTRY_LEN), p, FALSE);
extract_line (p, p + MAX_ENTRY_LEN, NULL), p, FALSE);
}
/* Select the default entry */
listbox_set_current (listbox->list, selected);