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Fix string handling in get_combo_box_entry_text

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Linus' code dropped the const qualifier from the start rating. While
fixing this I stared some more at get_combo_box_entry_text and realized
that the existing code could potentially change the "old" pointer and then
pass it to free(). Tsk-tsk-tsk.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2012-08-17 09:36:04 -07:00
parent 70f903c457
commit aab94d07cc
1 changed files with 6 additions and 5 deletions
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11
info.c
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@ -43,7 +43,7 @@ static int text_changed(const char *old, const char *new)
(!old && strcmp("",new));
}
static char *skip_space(char *str)
static const char *skip_space(const char *str)
{
if (str) {
while (isspace(*str))
@ -60,13 +60,14 @@ static char *skip_space(char *str)
* The "master" string is the string of the current dive - we only consider it
* changed if the old string is either empty, or matches that master string.
*/
static char *get_combo_box_entry_text(GtkComboBoxEntry *combo_box, char **textp, char *master)
static char *get_combo_box_entry_text(GtkComboBoxEntry *combo_box, char **textp, const char *master)
{
char *old = *textp;
const char *old_text;
const gchar *new;
GtkEntry *entry;
old = skip_space(old);
old_text = skip_space(old);
master = skip_space(master);
/*
@ -75,8 +76,8 @@ static char *get_combo_box_entry_text(GtkComboBoxEntry *combo_box, char **textp,
* we're editing another dive's info that already had a
* valid value).
*/
if (master && old)
if (strcmp(master, old))
if (master && old_text)
if (strcmp(master, old_text))
return NULL;
entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(combo_box)));