diff options
Diffstat (limited to 'depends/hoedown/src/buffer.c')
-rw-r--r-- | depends/hoedown/src/buffer.c | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/depends/hoedown/src/buffer.c b/depends/hoedown/src/buffer.c deleted file mode 100644 index 1c7ba55a..00000000 --- a/depends/hoedown/src/buffer.c +++ /dev/null @@ -1,308 +0,0 @@ -#include "hoedown/buffer.h" - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> - -void * -hoedown_malloc(size_t size) -{ - void *ret = malloc(size); - - if (!ret) { - fprintf(stderr, "Allocation failed.\n"); - abort(); - } - - return ret; -} - -void * -hoedown_calloc(size_t nmemb, size_t size) -{ - void *ret = calloc(nmemb, size); - - if (!ret) { - fprintf(stderr, "Allocation failed.\n"); - abort(); - } - - return ret; -} - -void * -hoedown_realloc(void *ptr, size_t size) -{ - void *ret = realloc(ptr, size); - - if (!ret) { - fprintf(stderr, "Allocation failed.\n"); - abort(); - } - - return ret; -} - -void -hoedown_buffer_init( - hoedown_buffer *buf, - size_t unit, - hoedown_realloc_callback data_realloc, - hoedown_free_callback data_free, - hoedown_free_callback buffer_free) -{ - assert(buf); - - buf->data = NULL; - buf->size = buf->asize = 0; - buf->unit = unit; - buf->data_realloc = data_realloc; - buf->data_free = data_free; - buf->buffer_free = buffer_free; -} - -void -hoedown_buffer_uninit(hoedown_buffer *buf) -{ - assert(buf && buf->unit); - buf->data_free(buf->data); -} - -hoedown_buffer * -hoedown_buffer_new(size_t unit) -{ - hoedown_buffer *ret = hoedown_malloc(sizeof (hoedown_buffer)); - hoedown_buffer_init(ret, unit, hoedown_realloc, free, free); - return ret; -} - -void -hoedown_buffer_free(hoedown_buffer *buf) -{ - if (!buf) return; - assert(buf && buf->unit); - - buf->data_free(buf->data); - - if (buf->buffer_free) - buf->buffer_free(buf); -} - -void -hoedown_buffer_reset(hoedown_buffer *buf) -{ - assert(buf && buf->unit); - - buf->data_free(buf->data); - buf->data = NULL; - buf->size = buf->asize = 0; -} - -void -hoedown_buffer_grow(hoedown_buffer *buf, size_t neosz) -{ - size_t neoasz; - assert(buf && buf->unit); - - if (buf->asize >= neosz) - return; - - neoasz = buf->asize + buf->unit; - while (neoasz < neosz) - neoasz += buf->unit; - - buf->data = (uint8_t *) buf->data_realloc(buf->data, neoasz); - buf->asize = neoasz; -} - -void -hoedown_buffer_put(hoedown_buffer *buf, const uint8_t *data, size_t size) -{ - assert(buf && buf->unit); - - if (buf->size + size > buf->asize) - hoedown_buffer_grow(buf, buf->size + size); - - memcpy(buf->data + buf->size, data, size); - buf->size += size; -} - -void -hoedown_buffer_puts(hoedown_buffer *buf, const char *str) -{ - hoedown_buffer_put(buf, (const uint8_t *)str, strlen(str)); -} - -void -hoedown_buffer_putc(hoedown_buffer *buf, uint8_t c) -{ - assert(buf && buf->unit); - - if (buf->size >= buf->asize) - hoedown_buffer_grow(buf, buf->size + 1); - - buf->data[buf->size] = c; - buf->size += 1; -} - -int -hoedown_buffer_putf(hoedown_buffer *buf, FILE *file) -{ - assert(buf && buf->unit); - - while (!(feof(file) || ferror(file))) { - hoedown_buffer_grow(buf, buf->size + buf->unit); - buf->size += fread(buf->data + buf->size, 1, buf->unit, file); - } - - return ferror(file); -} - -void -hoedown_buffer_set(hoedown_buffer *buf, const uint8_t *data, size_t size) -{ - assert(buf && buf->unit); - - if (size > buf->asize) - hoedown_buffer_grow(buf, size); - - memcpy(buf->data, data, size); - buf->size = size; -} - -void -hoedown_buffer_sets(hoedown_buffer *buf, const char *str) -{ - hoedown_buffer_set(buf, (const uint8_t *)str, strlen(str)); -} - -int -hoedown_buffer_eq(const hoedown_buffer *buf, const uint8_t *data, size_t size) -{ - if (buf->size != size) return 0; - return memcmp(buf->data, data, size) == 0; -} - -int -hoedown_buffer_eqs(const hoedown_buffer *buf, const char *str) -{ - return hoedown_buffer_eq(buf, (const uint8_t *)str, strlen(str)); -} - -int -hoedown_buffer_prefix(const hoedown_buffer *buf, const char *prefix) -{ - size_t i; - - for (i = 0; i < buf->size; ++i) { - if (prefix[i] == 0) - return 0; - - if (buf->data[i] != prefix[i]) - return buf->data[i] - prefix[i]; - } - - return 0; -} - -void -hoedown_buffer_slurp(hoedown_buffer *buf, size_t size) -{ - assert(buf && buf->unit); - - if (size >= buf->size) { - buf->size = 0; - return; - } - - buf->size -= size; - memmove(buf->data, buf->data + size, buf->size); -} - -const char * -hoedown_buffer_cstr(hoedown_buffer *buf) -{ - assert(buf && buf->unit); - - if (buf->size < buf->asize && buf->data[buf->size] == 0) - return (char *)buf->data; - - hoedown_buffer_grow(buf, buf->size + 1); - buf->data[buf->size] = 0; - - return (char *)buf->data; -} - -void -hoedown_buffer_printf(hoedown_buffer *buf, const char *fmt, ...) -{ - va_list ap; - int n; - - assert(buf && buf->unit); - - if (buf->size >= buf->asize) - hoedown_buffer_grow(buf, buf->size + 1); - - va_start(ap, fmt); - n = vsnprintf((char *)buf->data + buf->size, buf->asize - buf->size, fmt, ap); - va_end(ap); - - if (n < 0) { -#ifndef _MSC_VER - return; -#else - va_start(ap, fmt); - n = _vscprintf(fmt, ap); - va_end(ap); -#endif - } - - if ((size_t)n >= buf->asize - buf->size) { - hoedown_buffer_grow(buf, buf->size + n + 1); - - va_start(ap, fmt); - n = vsnprintf((char *)buf->data + buf->size, buf->asize - buf->size, fmt, ap); - va_end(ap); - } - - if (n < 0) - return; - - buf->size += n; -} - -void hoedown_buffer_put_utf8(hoedown_buffer *buf, unsigned int c) { - unsigned char unichar[4]; - - assert(buf && buf->unit); - - if (c < 0x80) { - hoedown_buffer_putc(buf, c); - } - else if (c < 0x800) { - unichar[0] = 192 + (c / 64); - unichar[1] = 128 + (c % 64); - hoedown_buffer_put(buf, unichar, 2); - } - else if (c - 0xd800u < 0x800) { - HOEDOWN_BUFPUTSL(buf, "\xef\xbf\xbd"); - } - else if (c < 0x10000) { - unichar[0] = 224 + (c / 4096); - unichar[1] = 128 + (c / 64) % 64; - unichar[2] = 128 + (c % 64); - hoedown_buffer_put(buf, unichar, 3); - } - else if (c < 0x110000) { - unichar[0] = 240 + (c / 262144); - unichar[1] = 128 + (c / 4096) % 64; - unichar[2] = 128 + (c / 64) % 64; - unichar[3] = 128 + (c % 64); - hoedown_buffer_put(buf, unichar, 4); - } - else { - HOEDOWN_BUFPUTSL(buf, "\xef\xbf\xbd"); - } -} |