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sixel: decgri: handle a repeat count of 0, by ignoring it

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Daniel Eklöf 2021-03-07 16:53:27 +01:00
parent eee216f5fe
commit ae86043780
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GPG key ID: 5BBD4992C116573F
1 changed files with 11 additions and 2 deletions
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13
sixel.c
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@ -862,6 +862,9 @@ resize_horizontally(struct terminal *term, int new_width)
int alloc_height = (height + 6 - 1) / 6 * 6; int alloc_height = (height + 6 - 1) / 6 * 6;
xassert(new_width > 0);
xassert(alloc_height > 0);
/* Width (and thus stride) change - need to allocate a new buffer */ /* Width (and thus stride) change - need to allocate a new buffer */
uint32_t *new_data = xmalloc(new_width * alloc_height * sizeof(uint32_t)); uint32_t *new_data = xmalloc(new_width * alloc_height * sizeof(uint32_t));
@ -901,6 +904,9 @@ resize_vertically(struct terminal *term, int new_height)
int alloc_height = (new_height + 6 - 1) / 6 * 6; int alloc_height = (new_height + 6 - 1) / 6 * 6;
xassert(width > 0);
xassert(new_height > 0);
uint32_t *new_data = realloc( uint32_t *new_data = realloc(
old_data, width * alloc_height * sizeof(uint32_t)); old_data, width * alloc_height * sizeof(uint32_t));
@ -1167,11 +1173,14 @@ decgri(struct terminal *term, uint8_t c)
case 'i': case 'j': case 'k': case 'l': case 'm': case 'n': case 'o': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n': case 'o':
case 'p': case 'q': case 'r': case 's': case 't': case 'u': case 'v': case 'p': case 'q': case 'r': case 's': case 't': case 'u': case 'v':
case 'w': case 'x': case 'y': case 'z': case '{': case '|': case '}': case 'w': case 'x': case 'y': case 'z': case '{': case '|': case '}':
case '~': case '~': {
sixel_add_many(term, c - 63, term->sixel.param); unsigned count = term->sixel.param;
if (likely(count > 0))
sixel_add_many(term, c - 63, count);
term->sixel.state = SIXEL_DECSIXEL; term->sixel.state = SIXEL_DECSIXEL;
break; break;
} }
}
} }
static void static void