From 62cb38bf8a826125fba0034221343aa70dd3d415 Mon Sep 17 00:00:00 2001 From: John MacFarlane Date: Mon, 27 Jul 2015 21:35:54 -0700 Subject: Use clang-format, llvm style, for formatting. * Reformatted all source files. * Added 'format' target to Makefile. * Removed 'astyle' target. * Updated .editorconfig. --- src/buffer.c | 460 ++++++++++++++++++++++++++++------------------------------- 1 file changed, 219 insertions(+), 241 deletions(-) (limited to 'src/buffer.c') diff --git a/src/buffer.c b/src/buffer.c index 509eb6c..9d31881 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -16,323 +16,301 @@ unsigned char cmark_strbuf__initbuf[1]; #ifndef MIN -#define MIN(x,y) ((xasize = 0; - buf->size = 0; - buf->ptr = cmark_strbuf__initbuf; +void cmark_strbuf_init(cmark_strbuf *buf, bufsize_t initial_size) { + buf->asize = 0; + buf->size = 0; + buf->ptr = cmark_strbuf__initbuf; - if (initial_size > 0) - cmark_strbuf_grow(buf, initial_size); + if (initial_size > 0) + cmark_strbuf_grow(buf, initial_size); } -void cmark_strbuf_overflow_err() -{ - fprintf(stderr, "String buffer overflow"); - abort(); +void cmark_strbuf_overflow_err() { + fprintf(stderr, "String buffer overflow"); + abort(); } -static inline void -S_strbuf_grow_by(cmark_strbuf *buf, size_t add) -{ - size_t target_size = (size_t)buf->size + add; +static inline void S_strbuf_grow_by(cmark_strbuf *buf, size_t add) { + size_t target_size = (size_t)buf->size + add; - if (target_size < add /* Integer overflow. */ - || target_size > BUFSIZE_MAX /* Truncation overflow. */ - ) { - cmark_strbuf_overflow_err(); - return; /* unreachable */ - } + if (target_size < add /* Integer overflow. */ + || target_size > BUFSIZE_MAX /* Truncation overflow. */ + ) { + cmark_strbuf_overflow_err(); + return; /* unreachable */ + } - if ((bufsize_t)target_size >= buf->asize) - cmark_strbuf_grow(buf, (bufsize_t)target_size); + if ((bufsize_t)target_size >= buf->asize) + cmark_strbuf_grow(buf, (bufsize_t)target_size); } -void cmark_strbuf_grow(cmark_strbuf *buf, bufsize_t target_size) -{ - unsigned char *new_ptr; - - if (target_size < buf->asize) - return; - - if (buf->asize == 0) { - new_ptr = NULL; - } else { - new_ptr = buf->ptr; - } - - /* Oversize the buffer by 50% to guarantee amortized linear time - * complexity on append operations. */ - size_t new_size = (size_t)target_size + (size_t)target_size / 2; - - /* Account for terminating null byte. */ - new_size += 1; - - /* round allocation up to multiple of 8 */ - new_size = (new_size + 7) & ~7; - - if (new_size < (size_t)target_size /* Integer overflow. */ - || new_size > BUFSIZE_MAX /* Truncation overflow. */ - ) { - if (target_size >= BUFSIZE_MAX) { - /* No space for terminating null byte. */ - cmark_strbuf_overflow_err(); - return; /* unreachable */ - } - /* Oversize by the maximum possible amount. */ - new_size = BUFSIZE_MAX; - } - - new_ptr = (unsigned char *)realloc(new_ptr, new_size); - - if (!new_ptr) { - perror("realloc in cmark_strbuf_grow"); - abort(); - } - - buf->asize = (bufsize_t)new_size; - buf->ptr = new_ptr; +void cmark_strbuf_grow(cmark_strbuf *buf, bufsize_t target_size) { + unsigned char *new_ptr; + + if (target_size < buf->asize) + return; + + if (buf->asize == 0) { + new_ptr = NULL; + } else { + new_ptr = buf->ptr; + } + + /* Oversize the buffer by 50% to guarantee amortized linear time + * complexity on append operations. */ + size_t new_size = (size_t)target_size + (size_t)target_size / 2; + + /* Account for terminating null byte. */ + new_size += 1; + + /* round allocation up to multiple of 8 */ + new_size = (new_size + 7) & ~7; + + if (new_size < (size_t)target_size /* Integer overflow. */ + || new_size > BUFSIZE_MAX /* Truncation overflow. */ + ) { + if (target_size >= BUFSIZE_MAX) { + /* No space for terminating null byte. */ + cmark_strbuf_overflow_err(); + return; /* unreachable */ + } + /* Oversize by the maximum possible amount. */ + new_size = BUFSIZE_MAX; + } + + new_ptr = (unsigned char *)realloc(new_ptr, new_size); + + if (!new_ptr) { + perror("realloc in cmark_strbuf_grow"); + abort(); + } + + buf->asize = (bufsize_t)new_size; + buf->ptr = new_ptr; } -bufsize_t cmark_strbuf_len(const cmark_strbuf *buf) -{ - return buf->size; -} +bufsize_t cmark_strbuf_len(const cmark_strbuf *buf) { return buf->size; } -void cmark_strbuf_free(cmark_strbuf *buf) -{ - if (!buf) return; +void cmark_strbuf_free(cmark_strbuf *buf) { + if (!buf) + return; - if (buf->ptr != cmark_strbuf__initbuf) - free(buf->ptr); + if (buf->ptr != cmark_strbuf__initbuf) + free(buf->ptr); - cmark_strbuf_init(buf, 0); + cmark_strbuf_init(buf, 0); } -void cmark_strbuf_clear(cmark_strbuf *buf) -{ - buf->size = 0; +void cmark_strbuf_clear(cmark_strbuf *buf) { + buf->size = 0; - if (buf->asize > 0) - buf->ptr[0] = '\0'; + if (buf->asize > 0) + buf->ptr[0] = '\0'; } -void cmark_strbuf_set(cmark_strbuf *buf, const unsigned char *data, bufsize_t len) -{ - if (len <= 0 || data == NULL) { - cmark_strbuf_clear(buf); - } else { - if (data != buf->ptr) { - if (len >= buf->asize) - cmark_strbuf_grow(buf, len); - memmove(buf->ptr, data, len); - } - buf->size = len; - buf->ptr[buf->size] = '\0'; - } +void cmark_strbuf_set(cmark_strbuf *buf, const unsigned char *data, + bufsize_t len) { + if (len <= 0 || data == NULL) { + cmark_strbuf_clear(buf); + } else { + if (data != buf->ptr) { + if (len >= buf->asize) + cmark_strbuf_grow(buf, len); + memmove(buf->ptr, data, len); + } + buf->size = len; + buf->ptr[buf->size] = '\0'; + } } -void cmark_strbuf_sets(cmark_strbuf *buf, const char *string) -{ - cmark_strbuf_set(buf, (const unsigned char *)string, - string ? cmark_strbuf_safe_strlen(string) : 0); +void cmark_strbuf_sets(cmark_strbuf *buf, const char *string) { + cmark_strbuf_set(buf, (const unsigned char *)string, + string ? cmark_strbuf_safe_strlen(string) : 0); } -void cmark_strbuf_putc(cmark_strbuf *buf, int c) -{ - S_strbuf_grow_by(buf, 1); - buf->ptr[buf->size++] = c; - buf->ptr[buf->size] = '\0'; +void cmark_strbuf_putc(cmark_strbuf *buf, int c) { + S_strbuf_grow_by(buf, 1); + buf->ptr[buf->size++] = c; + buf->ptr[buf->size] = '\0'; } -void cmark_strbuf_put(cmark_strbuf *buf, const unsigned char *data, bufsize_t len) -{ - if (len <= 0) - return; +void cmark_strbuf_put(cmark_strbuf *buf, const unsigned char *data, + bufsize_t len) { + if (len <= 0) + return; - S_strbuf_grow_by(buf, len); - memmove(buf->ptr + buf->size, data, len); - buf->size += len; - buf->ptr[buf->size] = '\0'; + S_strbuf_grow_by(buf, len); + memmove(buf->ptr + buf->size, data, len); + buf->size += len; + buf->ptr[buf->size] = '\0'; } -void cmark_strbuf_puts(cmark_strbuf *buf, const char *string) -{ - cmark_strbuf_put(buf, (const unsigned char *)string, - cmark_strbuf_safe_strlen(string)); +void cmark_strbuf_puts(cmark_strbuf *buf, const char *string) { + cmark_strbuf_put(buf, (const unsigned char *)string, + cmark_strbuf_safe_strlen(string)); } -void cmark_strbuf_copy_cstr(char *data, bufsize_t datasize, const cmark_strbuf *buf) -{ - bufsize_t copylen; +void cmark_strbuf_copy_cstr(char *data, bufsize_t datasize, + const cmark_strbuf *buf) { + bufsize_t copylen; - assert(buf); - if (!data || datasize <= 0) - return; + assert(buf); + if (!data || datasize <= 0) + return; - data[0] = '\0'; + data[0] = '\0'; - if (buf->size == 0 || buf->asize <= 0) - return; + if (buf->size == 0 || buf->asize <= 0) + return; - copylen = buf->size; - if (copylen > datasize - 1) - copylen = datasize - 1; - memmove(data, buf->ptr, copylen); - data[copylen] = '\0'; + copylen = buf->size; + if (copylen > datasize - 1) + copylen = datasize - 1; + memmove(data, buf->ptr, copylen); + data[copylen] = '\0'; } -void cmark_strbuf_swap(cmark_strbuf *buf_a, cmark_strbuf *buf_b) -{ - cmark_strbuf t = *buf_a; - *buf_a = *buf_b; - *buf_b = t; +void cmark_strbuf_swap(cmark_strbuf *buf_a, cmark_strbuf *buf_b) { + cmark_strbuf t = *buf_a; + *buf_a = *buf_b; + *buf_b = t; } -unsigned char *cmark_strbuf_detach(cmark_strbuf *buf) -{ - unsigned char *data = buf->ptr; +unsigned char *cmark_strbuf_detach(cmark_strbuf *buf) { + unsigned char *data = buf->ptr; - if (buf->asize == 0) { - /* return an empty string */ - return (unsigned char *)calloc(1, 1); - } + if (buf->asize == 0) { + /* return an empty string */ + return (unsigned char *)calloc(1, 1); + } - cmark_strbuf_init(buf, 0); - return data; + cmark_strbuf_init(buf, 0); + return data; } -int cmark_strbuf_cmp(const cmark_strbuf *a, const cmark_strbuf *b) -{ - int result = memcmp(a->ptr, b->ptr, MIN(a->size, b->size)); - return (result != 0) ? result : - (a->size < b->size) ? -1 : (a->size > b->size) ? 1 : 0; +int cmark_strbuf_cmp(const cmark_strbuf *a, const cmark_strbuf *b) { + int result = memcmp(a->ptr, b->ptr, MIN(a->size, b->size)); + return (result != 0) ? result + : (a->size < b->size) ? -1 : (a->size > b->size) ? 1 : 0; } -bufsize_t cmark_strbuf_strchr(const cmark_strbuf *buf, int c, bufsize_t pos) -{ - if (pos >= buf->size) - return -1; - if (pos < 0) - pos = 0; +bufsize_t cmark_strbuf_strchr(const cmark_strbuf *buf, int c, bufsize_t pos) { + if (pos >= buf->size) + return -1; + if (pos < 0) + pos = 0; - const unsigned char *p = (unsigned char *)memchr(buf->ptr + pos, c, buf->size - pos); - if (!p) - return -1; + const unsigned char *p = + (unsigned char *)memchr(buf->ptr + pos, c, buf->size - pos); + if (!p) + return -1; - return (bufsize_t)(p - (const unsigned char *)buf->ptr); + return (bufsize_t)(p - (const unsigned char *)buf->ptr); } -bufsize_t cmark_strbuf_strrchr(const cmark_strbuf *buf, int c, bufsize_t pos) -{ - if (pos < 0 || buf->size == 0) - return -1; - if (pos >= buf->size) - pos = buf->size - 1; +bufsize_t cmark_strbuf_strrchr(const cmark_strbuf *buf, int c, bufsize_t pos) { + if (pos < 0 || buf->size == 0) + return -1; + if (pos >= buf->size) + pos = buf->size - 1; - for (bufsize_t i = pos; i >= 0; i--) { - if (buf->ptr[i] == (unsigned char) c) - return i; - } + for (bufsize_t i = pos; i >= 0; i--) { + if (buf->ptr[i] == (unsigned char)c) + return i; + } - return -1; + return -1; } -void cmark_strbuf_truncate(cmark_strbuf *buf, bufsize_t len) -{ - if (len < 0) - len = 0; +void cmark_strbuf_truncate(cmark_strbuf *buf, bufsize_t len) { + if (len < 0) + len = 0; - if (len < buf->size) { - buf->size = len; - buf->ptr[buf->size] = '\0'; - } + if (len < buf->size) { + buf->size = len; + buf->ptr[buf->size] = '\0'; + } } -void cmark_strbuf_drop(cmark_strbuf *buf, bufsize_t n) -{ - if (n > 0) { - if (n > buf->size) - n = buf->size; - buf->size = buf->size - n; - if (buf->size) - memmove(buf->ptr, buf->ptr + n, buf->size); - - buf->ptr[buf->size] = '\0'; - } +void cmark_strbuf_drop(cmark_strbuf *buf, bufsize_t n) { + if (n > 0) { + if (n > buf->size) + n = buf->size; + buf->size = buf->size - n; + if (buf->size) + memmove(buf->ptr, buf->ptr + n, buf->size); + + buf->ptr[buf->size] = '\0'; + } } -void cmark_strbuf_rtrim(cmark_strbuf *buf) -{ - if (!buf->size) - return; +void cmark_strbuf_rtrim(cmark_strbuf *buf) { + if (!buf->size) + return; - while (buf->size > 0) { - if (!cmark_isspace(buf->ptr[buf->size - 1])) - break; + while (buf->size > 0) { + if (!cmark_isspace(buf->ptr[buf->size - 1])) + break; - buf->size--; - } + buf->size--; + } - buf->ptr[buf->size] = '\0'; + buf->ptr[buf->size] = '\0'; } -void cmark_strbuf_trim(cmark_strbuf *buf) -{ - bufsize_t i = 0; +void cmark_strbuf_trim(cmark_strbuf *buf) { + bufsize_t i = 0; - if (!buf->size) - return; + if (!buf->size) + return; - while (i < buf->size && cmark_isspace(buf->ptr[i])) - i++; + while (i < buf->size && cmark_isspace(buf->ptr[i])) + i++; - cmark_strbuf_drop(buf, i); + cmark_strbuf_drop(buf, i); - cmark_strbuf_rtrim(buf); + cmark_strbuf_rtrim(buf); } // Destructively modify string, collapsing consecutive // space and newline characters into a single space. -void cmark_strbuf_normalize_whitespace(cmark_strbuf *s) -{ - bool last_char_was_space = false; - bufsize_t r, w; - - for (r = 0, w = 0; r < s->size; ++r) { - switch (s->ptr[r]) { - case ' ': - case '\n': - if (last_char_was_space) - break; - - s->ptr[w++] = ' '; - last_char_was_space = true; - break; - - default: - s->ptr[w++] = s->ptr[r]; - last_char_was_space = false; - } - } - - cmark_strbuf_truncate(s, w); +void cmark_strbuf_normalize_whitespace(cmark_strbuf *s) { + bool last_char_was_space = false; + bufsize_t r, w; + + for (r = 0, w = 0; r < s->size; ++r) { + switch (s->ptr[r]) { + case ' ': + case '\n': + if (last_char_was_space) + break; + + s->ptr[w++] = ' '; + last_char_was_space = true; + break; + + default: + s->ptr[w++] = s->ptr[r]; + last_char_was_space = false; + } + } + + cmark_strbuf_truncate(s, w); } // Destructively unescape a string: remove backslashes before punctuation chars. -extern void cmark_strbuf_unescape(cmark_strbuf *buf) -{ - bufsize_t r, w; +extern void cmark_strbuf_unescape(cmark_strbuf *buf) { + bufsize_t r, w; - for (r = 0, w = 0; r < buf->size; ++r) { - if (buf->ptr[r] == '\\' && cmark_ispunct(buf->ptr[r + 1])) - r++; + for (r = 0, w = 0; r < buf->size; ++r) { + if (buf->ptr[r] == '\\' && cmark_ispunct(buf->ptr[r + 1])) + r++; - buf->ptr[w++] = buf->ptr[r]; - } + buf->ptr[w++] = buf->ptr[r]; + } - cmark_strbuf_truncate(buf, w); + cmark_strbuf_truncate(buf, w); } -- cgit v1.2.3