norohind/kmscon
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Add kmscon_char_set() helper

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This helper allows to copy one char into another.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
This commit is contained in:
David Herrmann 2011-11-27 16:10:11 +01:00
parent 0cf9a7a03c
commit 798276dea9
2 changed files with 22 additions and 0 deletions
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1
src/console.h
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@ -28,6 +28,7 @@ int kmscon_char_new(struct kmscon_char **out);
int kmscon_char_dup(struct kmscon_char **out, const struct kmscon_char *orig);
void kmscon_char_free(struct kmscon_char *ch);
int kmscon_char_set(struct kmscon_char *ch, const struct kmscon_char *orig);
int kmscon_char_set_u8(struct kmscon_char *ch, const char *str, size_t len);
const char *kmscon_char_get_u8(const struct kmscon_char *ch);
size_t kmscon_char_get_len(const struct kmscon_char *ch);

21
src/console_char.c
View File

@ -132,6 +132,27 @@ void kmscon_char_free(struct kmscon_char *ch)
free(ch);
}
int kmscon_char_set(struct kmscon_char *ch, const struct kmscon_char *orig)
{
char *buf;
if (!ch || !orig)
return -EINVAL;
if (ch->size < orig->len) {
buf = realloc(ch->buf, orig->len);
if (!buf)
return -ENOMEM;
ch->buf = buf;
ch->size = orig->len;
}
memcpy(ch->buf, orig->buf, orig->len);
ch->len = orig->len;
return 0;
}
int kmscon_char_set_u8(struct kmscon_char *ch, const char *str, size_t len)
{
char *buf;