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Handle malloc() failures during setup of driver-ti

This commit is contained in:
Paul LeoNerd Evans 2008-11-12 16:10:58 +00:00
parent 62c5c97080
commit 04e1926df6
1 changed files with 11 additions and 4 deletions
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15
driver-ti.c
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@ -24,7 +24,7 @@ typedef struct {
} termkey_ti;
static int funcname2keysym(const char *funcname, termkey_type *typep, termkey_keysym *symp, int *modmask, int *modsetp);
static void register_seq(termkey_ti *ti, const char *seq, termkey_type type, termkey_keysym sym, int modmask, int modset);
static int register_seq(termkey_ti *ti, const char *seq, termkey_type type, termkey_keysym sym, int modmask, int modset);
static void *new_driver(termkey_t *tk, const char *term)
{
@ -66,11 +66,15 @@ static void *new_driver(termkey_t *tk, const char *term)
continue;
if(sym != TERMKEY_SYM_NONE)
register_seq(ti, value, type, sym, mask, set);
if(!register_seq(ti, value, type, sym, mask, set))
goto abort_free_seqs;
}
return ti;
abort_free_seqs:
free(ti->seqs);
abort_free_ti:
free(ti);
@ -240,12 +244,13 @@ static int funcname2keysym(const char *funcname, termkey_type *typep, termkey_ke
return 0;
}
static void register_seq(termkey_ti *ti, const char *seq, termkey_type type, termkey_keysym sym, int modmask, int modset)
static int register_seq(termkey_ti *ti, const char *seq, termkey_type type, termkey_keysym sym, int modmask, int modset)
{
if(ti->nseqs == ti->alloced_seqs) {
ti->alloced_seqs *= 2;
void *newseqs = realloc(ti->seqs, ti->alloced_seqs * sizeof(ti->seqs[9]));
// TODO: Handle realloc() failure
if(!newseqs)
return 0;
ti->seqs = newseqs;
}
@ -256,6 +261,8 @@ static void register_seq(termkey_ti *ti, const char *seq, termkey_type type, ter
ti->seqs[i].key.sym = sym;
ti->seqs[i].key.modifier_mask = modmask;
ti->seqs[i].key.modifier_set = modset;
return 1;
}
struct termkey_driver termkey_driver_ti = {