1174 lines
27 KiB
C
1174 lines
27 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
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/** \file
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* \ingroup bli
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*/
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#include <ctype.h>
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#include <inttypes.h>
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#include <math.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "MEM_guardedalloc.h"
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#include "BLI_dynstr.h"
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#include "BLI_string.h"
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#include "BLI_utildefines.h"
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#ifdef __GNUC__
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# pragma GCC diagnostic error "-Wsign-conversion"
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#endif
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// #define DEBUG_STRSIZE
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/* -------------------------------------------------------------------- */
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/** \name String Duplicate/Copy
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* \{ */
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char *BLI_strdupn(const char *str, const size_t len)
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{
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char *n = MEM_mallocN(len + 1, "strdup");
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memcpy(n, str, len);
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n[len] = '\0';
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return n;
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}
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char *BLI_strdup(const char *str)
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{
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return BLI_strdupn(str, strlen(str));
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}
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char *BLI_strdupcat(const char *__restrict str1, const char *__restrict str2)
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{
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/* include the NULL terminator of str2 only */
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const size_t str1_len = strlen(str1);
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const size_t str2_len = strlen(str2) + 1;
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char *str, *s;
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str = MEM_mallocN(str1_len + str2_len, "strdupcat");
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s = str;
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memcpy(s, str1, str1_len); /* NOLINT: bugprone-not-null-terminated-result */
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s += str1_len;
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memcpy(s, str2, str2_len);
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return str;
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}
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char *BLI_strncpy(char *__restrict dst, const char *__restrict src, const size_t maxncpy)
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{
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size_t srclen = BLI_strnlen(src, maxncpy - 1);
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BLI_assert(maxncpy != 0);
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#ifdef DEBUG_STRSIZE
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memset(dst, 0xff, sizeof(*dst) * maxncpy);
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#endif
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memcpy(dst, src, srclen);
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dst[srclen] = '\0';
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return dst;
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}
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char *BLI_strncpy_ensure_pad(char *__restrict dst,
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const char *__restrict src,
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const char pad,
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size_t maxncpy)
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{
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BLI_assert(maxncpy != 0);
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#ifdef DEBUG_STRSIZE
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memset(dst, 0xff, sizeof(*dst) * maxncpy);
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#endif
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if (src[0] == '\0') {
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dst[0] = '\0';
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}
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else {
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/* Add heading/trailing wildcards if needed. */
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size_t idx = 0;
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size_t srclen;
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if (src[idx] != pad) {
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dst[idx++] = pad;
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maxncpy--;
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}
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maxncpy--; /* trailing '\0' */
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srclen = BLI_strnlen(src, maxncpy);
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if ((src[srclen - 1] != pad) && (srclen == maxncpy)) {
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srclen--;
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}
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memcpy(&dst[idx], src, srclen);
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idx += srclen;
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if (dst[idx - 1] != pad) {
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dst[idx++] = pad;
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}
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dst[idx] = '\0';
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}
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return dst;
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}
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size_t BLI_strncpy_rlen(char *__restrict dst, const char *__restrict src, const size_t maxncpy)
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{
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size_t srclen = BLI_strnlen(src, maxncpy - 1);
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BLI_assert(maxncpy != 0);
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#ifdef DEBUG_STRSIZE
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memset(dst, 0xff, sizeof(*dst) * maxncpy);
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#endif
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memcpy(dst, src, srclen);
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dst[srclen] = '\0';
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return srclen;
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}
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size_t BLI_strcpy_rlen(char *__restrict dst, const char *__restrict src)
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{
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size_t srclen = strlen(src);
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memcpy(dst, src, srclen + 1);
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return srclen;
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}
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/** \} */
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/* -------------------------------------------------------------------- */
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/** \name String Printing
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* \{ */
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size_t BLI_vsnprintf(char *__restrict buffer,
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size_t maxncpy,
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const char *__restrict format,
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va_list arg)
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{
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size_t n;
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BLI_assert(buffer != NULL);
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BLI_assert(maxncpy > 0);
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BLI_assert(format != NULL);
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n = (size_t)vsnprintf(buffer, maxncpy, format, arg);
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if (n != -1 && n < maxncpy) {
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buffer[n] = '\0';
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}
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else {
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buffer[maxncpy - 1] = '\0';
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}
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return n;
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}
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size_t BLI_vsnprintf_rlen(char *__restrict buffer,
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size_t maxncpy,
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const char *__restrict format,
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va_list arg)
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{
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size_t n;
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BLI_assert(buffer != NULL);
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BLI_assert(maxncpy > 0);
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BLI_assert(format != NULL);
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n = (size_t)vsnprintf(buffer, maxncpy, format, arg);
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if (n != -1 && n < maxncpy) {
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/* pass */
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}
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else {
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n = maxncpy - 1;
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}
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buffer[n] = '\0';
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return n;
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}
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size_t BLI_snprintf(char *__restrict dst, size_t maxncpy, const char *__restrict format, ...)
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{
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size_t n;
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va_list arg;
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#ifdef DEBUG_STRSIZE
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memset(dst, 0xff, sizeof(*dst) * maxncpy);
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#endif
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va_start(arg, format);
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n = BLI_vsnprintf(dst, maxncpy, format, arg);
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va_end(arg);
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return n;
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}
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size_t BLI_snprintf_rlen(char *__restrict dst, size_t maxncpy, const char *__restrict format, ...)
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{
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size_t n;
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va_list arg;
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#ifdef DEBUG_STRSIZE
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memset(dst, 0xff, sizeof(*dst) * maxncpy);
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#endif
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va_start(arg, format);
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n = BLI_vsnprintf_rlen(dst, maxncpy, format, arg);
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va_end(arg);
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return n;
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}
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char *BLI_sprintfN(const char *__restrict format, ...)
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{
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DynStr *ds;
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va_list arg;
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char *n;
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va_start(arg, format);
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ds = BLI_dynstr_new();
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BLI_dynstr_vappendf(ds, format, arg);
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n = BLI_dynstr_get_cstring(ds);
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BLI_dynstr_free(ds);
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va_end(arg);
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return n;
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}
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/** \} */
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/* -------------------------------------------------------------------- */
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/** \name String Escape/Un-Escape
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* \{ */
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size_t BLI_str_escape(char *__restrict dst, const char *__restrict src, const size_t dst_maxncpy)
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{
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BLI_assert(dst_maxncpy != 0);
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size_t len = 0;
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for (; (len < dst_maxncpy) && (*src != '\0'); dst++, src++, len++) {
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char c = *src;
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if (ELEM(c, '\\', '"') || /* Use as-is. */
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((c == '\t') && ((void)(c = 't'), true)) || /* Tab. */
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((c == '\n') && ((void)(c = 'n'), true)) || /* Newline. */
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((c == '\r') && ((void)(c = 'r'), true)) || /* Carriage return. */
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((c == '\a') && ((void)(c = 'a'), true)) || /* Bell. */
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((c == '\b') && ((void)(c = 'b'), true)) || /* Backspace. */
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((c == '\f') && ((void)(c = 'f'), true))) /* Form-feed. */
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{
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if (UNLIKELY(len + 1 >= dst_maxncpy)) {
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/* Not enough space to escape. */
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break;
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}
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*dst++ = '\\';
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len++;
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}
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*dst = c;
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}
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*dst = '\0';
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return len;
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}
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BLI_INLINE bool str_unescape_pair(char c_next, char *r_out)
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{
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#define CASE_PAIR(value_src, value_dst) \
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case value_src: { \
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*r_out = value_dst; \
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return true; \
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}
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switch (c_next) {
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CASE_PAIR('"', '"'); /* Quote. */
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CASE_PAIR('\\', '\\'); /* Backslash. */
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CASE_PAIR('t', '\t'); /* Tab. */
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CASE_PAIR('n', '\n'); /* Newline. */
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CASE_PAIR('r', '\r'); /* Carriage return. */
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CASE_PAIR('a', '\a'); /* Bell. */
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CASE_PAIR('b', '\b'); /* Backspace. */
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CASE_PAIR('f', '\f'); /* Form-feed. */
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}
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#undef CASE_PAIR
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return false;
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}
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size_t BLI_str_unescape_ex(char *__restrict dst,
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const char *__restrict src,
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const size_t src_maxncpy,
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/* Additional arguments to #BLI_str_unescape */
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const size_t dst_maxncpy,
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bool *r_is_complete)
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{
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size_t len = 0;
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bool is_complete = true;
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const size_t max_strlen = dst_maxncpy - 1; /* Account for trailing zero byte. */
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for (const char *src_end = src + src_maxncpy; (src < src_end) && *src; src++) {
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if (UNLIKELY(len == max_strlen)) {
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is_complete = false;
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break;
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}
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char c = *src;
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if (UNLIKELY(c == '\\') && (str_unescape_pair(*(src + 1), &c))) {
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src++;
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}
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dst[len++] = c;
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}
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dst[len] = 0;
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*r_is_complete = is_complete;
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return len;
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}
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size_t BLI_str_unescape(char *__restrict dst, const char *__restrict src, const size_t src_maxncpy)
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{
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size_t len = 0;
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for (const char *src_end = src + src_maxncpy; (src < src_end) && *src; src++) {
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char c = *src;
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if (UNLIKELY(c == '\\') && (str_unescape_pair(*(src + 1), &c))) {
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src++;
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}
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dst[len++] = c;
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}
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dst[len] = 0;
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return len;
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}
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const char *BLI_str_escape_find_quote(const char *str)
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{
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bool escape = false;
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while (*str && (*str != '"' || escape)) {
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/* A pair of back-slashes represents a single back-slash,
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* only use a single back-slash for escaping. */
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escape = (escape == false) && (*str == '\\');
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str++;
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}
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return (*str == '"') ? str : NULL;
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}
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/** \} */
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/* -------------------------------------------------------------------- */
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/** \name String Quote/Un-Quote
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* \{ */
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bool BLI_str_quoted_substr_range(const char *__restrict str,
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const char *__restrict prefix,
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int *__restrict r_start,
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int *__restrict r_end)
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{
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const char *str_start = strstr(str, prefix);
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if (str_start == NULL) {
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return false;
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}
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const size_t prefix_len = strlen(prefix);
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if (UNLIKELY(prefix_len == 0)) {
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BLI_assert_msg(0,
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"Zero length prefix passed in, "
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"caller must prevent this from happening!");
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return false;
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}
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BLI_assert_msg(prefix[prefix_len - 1] != '"',
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"Prefix includes trailing quote, "
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"caller must prevent this from happening!");
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str_start += prefix_len;
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if (UNLIKELY(*str_start != '\"')) {
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return false;
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}
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str_start += 1;
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const char *str_end = BLI_str_escape_find_quote(str_start);
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if (UNLIKELY(str_end == NULL)) {
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return false;
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}
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*r_start = (int)(str_start - str);
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*r_end = (int)(str_end - str);
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return true;
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}
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/* NOTE(@campbellbarton): in principal it should be possible to access a quoted string
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* with an arbitrary size, currently all callers for this functionality
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* happened to use a fixed size buffer, so only #BLI_str_quoted_substr is needed. */
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#if 0
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/**
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* Makes a copy of the text within the "" that appear after the contents of \a prefix.
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* i.e. for string `pose["apples"]` with prefix `pose[`, it will return `apples`.
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*
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* \param str: is the entire string to chop.
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* \param prefix: is the part of the string to step over.
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*
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* Assume that the strings returned must be freed afterwards,
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* and that the inputs will contain data we want.
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*/
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char *BLI_str_quoted_substrN(const char *__restrict str, const char *__restrict prefix)
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{
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int start_match_ofs, end_match_ofs;
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if (!BLI_str_quoted_substr_range(str, prefix, &start_match_ofs, &end_match_ofs)) {
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return NULL;
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}
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const size_t escaped_len = (size_t)(end_match_ofs - start_match_ofs);
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char *result = MEM_mallocN(sizeof(char) * (escaped_len + 1), __func__);
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const size_t unescaped_len = BLI_str_unescape(result, str + start_match_ofs, escaped_len);
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if (unescaped_len != escaped_len) {
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result = MEM_reallocN(result, sizeof(char) * (unescaped_len + 1));
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}
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return result;
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}
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#endif
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bool BLI_str_quoted_substr(const char *__restrict str,
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const char *__restrict prefix,
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char *result,
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size_t result_maxlen)
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{
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int start_match_ofs, end_match_ofs;
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if (!BLI_str_quoted_substr_range(str, prefix, &start_match_ofs, &end_match_ofs)) {
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return false;
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}
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const size_t escaped_len = (size_t)(end_match_ofs - start_match_ofs);
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bool is_complete;
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BLI_str_unescape_ex(result, str + start_match_ofs, escaped_len, result_maxlen, &is_complete);
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if (is_complete == false) {
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*result = '\0';
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}
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return is_complete;
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}
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/** \} */
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/* -------------------------------------------------------------------- */
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/** \name String Replace
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* \{ */
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char *BLI_str_replaceN(const char *__restrict str,
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const char *__restrict substr_old,
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const char *__restrict substr_new)
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{
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DynStr *ds = NULL;
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size_t len_old = strlen(substr_old);
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const char *match;
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BLI_assert(substr_old[0] != '\0');
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/* While we can still find a match for the old sub-string that we're searching for,
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* keep dicing and replacing. */
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while ((match = strstr(str, substr_old))) {
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/* the assembly buffer only gets created when we actually need to rebuild the string */
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if (ds == NULL) {
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ds = BLI_dynstr_new();
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}
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/* If the match position does not match the current position in the string,
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* copy the text up to this position and advance the current position in the string. */
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if (str != match) {
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/* Add the segment of the string from `str` to match to the buffer,
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* then restore the value at match. */
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BLI_dynstr_nappend(ds, str, (match - str));
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/* now our current position should be set on the start of the match */
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str = match;
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}
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/* Add the replacement text to the accumulation buffer. */
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BLI_dynstr_append(ds, substr_new);
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/* Advance the current position of the string up to the end of the replaced segment. */
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str += len_old;
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}
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/* Finish off and return a new string that has had all occurrences of. */
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if (ds) {
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char *str_new;
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/* Add what's left of the string to the assembly buffer
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* - we've been adjusting `str` to point at the end of the replaced segments. */
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BLI_dynstr_append(ds, str);
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/* Convert to new c-string (MEM_malloc'd), and free the buffer. */
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str_new = BLI_dynstr_get_cstring(ds);
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BLI_dynstr_free(ds);
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return str_new;
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}
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/* Just create a new copy of the entire string - we avoid going through the assembly buffer
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* for what should be a bit more efficiency. */
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return BLI_strdup(str);
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}
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void BLI_str_replace_char(char *str, char src, char dst)
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{
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while (*str) {
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if (*str == src) {
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*str = dst;
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}
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str++;
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}
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}
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bool BLI_str_replace_table_exact(char *string,
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const size_t string_len,
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const char *replace_table[][2],
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int replace_table_len)
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{
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for (int i = 0; i < replace_table_len; i++) {
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if (STREQ(string, replace_table[i][0])) {
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BLI_strncpy(string, replace_table[i][1], string_len);
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return true;
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}
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}
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return false;
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}
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/** \} */
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/* -------------------------------------------------------------------- */
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/** \name String Comparison/Matching
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* \{ */
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int BLI_strcaseeq(const char *a, const char *b)
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{
|
|
return (BLI_strcasecmp(a, b) == 0);
|
|
}
|
|
|
|
char *BLI_strcasestr(const char *s, const char *find)
|
|
{
|
|
char c, sc;
|
|
size_t len;
|
|
|
|
if ((c = *find++) != 0) {
|
|
c = tolower(c);
|
|
len = strlen(find);
|
|
do {
|
|
do {
|
|
if ((sc = *s++) == 0) {
|
|
return NULL;
|
|
}
|
|
sc = tolower(sc);
|
|
} while (sc != c);
|
|
} while (BLI_strncasecmp(s, find, len) != 0);
|
|
s--;
|
|
}
|
|
return ((char *)s);
|
|
}
|
|
|
|
int BLI_string_max_possible_word_count(const int str_len)
|
|
{
|
|
return (str_len / 2) + 1;
|
|
}
|
|
|
|
bool BLI_string_has_word_prefix(const char *haystack, const char *needle, size_t needle_len)
|
|
{
|
|
const char *match = BLI_strncasestr(haystack, needle, needle_len);
|
|
if (match) {
|
|
if ((match == haystack) || (*(match - 1) == ' ') || ispunct(*(match - 1))) {
|
|
return true;
|
|
}
|
|
return BLI_string_has_word_prefix(match + 1, needle, needle_len);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool BLI_string_all_words_matched(const char *name,
|
|
const char *str,
|
|
int (*words)[2],
|
|
const int words_len)
|
|
{
|
|
int index;
|
|
for (index = 0; index < words_len; index++) {
|
|
if (!BLI_string_has_word_prefix(name, str + words[index][0], (size_t)words[index][1])) {
|
|
break;
|
|
}
|
|
}
|
|
const bool all_words_matched = (index == words_len);
|
|
|
|
return all_words_matched;
|
|
}
|
|
|
|
char *BLI_strncasestr(const char *s, const char *find, size_t len)
|
|
{
|
|
char c, sc;
|
|
|
|
if ((c = *find++) != 0) {
|
|
c = tolower(c);
|
|
if (len > 1) {
|
|
do {
|
|
do {
|
|
if ((sc = *s++) == 0) {
|
|
return NULL;
|
|
}
|
|
sc = tolower(sc);
|
|
} while (sc != c);
|
|
} while (BLI_strncasecmp(s, find, len - 1) != 0);
|
|
}
|
|
else {
|
|
{
|
|
do {
|
|
if ((sc = *s++) == 0) {
|
|
return NULL;
|
|
}
|
|
sc = tolower(sc);
|
|
} while (sc != c);
|
|
}
|
|
}
|
|
s--;
|
|
}
|
|
return ((char *)s);
|
|
}
|
|
|
|
int BLI_strcasecmp(const char *s1, const char *s2)
|
|
{
|
|
int i;
|
|
char c1, c2;
|
|
|
|
for (i = 0;; i++) {
|
|
c1 = tolower(s1[i]);
|
|
c2 = tolower(s2[i]);
|
|
|
|
if (c1 < c2) {
|
|
return -1;
|
|
}
|
|
if (c1 > c2) {
|
|
return 1;
|
|
}
|
|
if (c1 == 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int BLI_strncasecmp(const char *s1, const char *s2, size_t len)
|
|
{
|
|
size_t i;
|
|
char c1, c2;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
c1 = tolower(s1[i]);
|
|
c2 = tolower(s2[i]);
|
|
|
|
if (c1 < c2) {
|
|
return -1;
|
|
}
|
|
if (c1 > c2) {
|
|
return 1;
|
|
}
|
|
if (c1 == 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* compare number on the left size of the string */
|
|
static int left_number_strcmp(const char *s1, const char *s2, int *tiebreaker)
|
|
{
|
|
const char *p1 = s1, *p2 = s2;
|
|
int numdigit, numzero1, numzero2;
|
|
|
|
/* count and skip leading zeros */
|
|
for (numzero1 = 0; *p1 == '0'; numzero1++) {
|
|
p1++;
|
|
}
|
|
for (numzero2 = 0; *p2 == '0'; numzero2++) {
|
|
p2++;
|
|
}
|
|
|
|
/* find number of consecutive digits */
|
|
for (numdigit = 0;; numdigit++) {
|
|
if (isdigit(*(p1 + numdigit)) && isdigit(*(p2 + numdigit))) {
|
|
continue;
|
|
}
|
|
if (isdigit(*(p1 + numdigit))) {
|
|
return 1; /* s2 is bigger */
|
|
}
|
|
if (isdigit(*(p2 + numdigit))) {
|
|
return -1; /* s1 is bigger */
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* same number of digits, compare size of number */
|
|
if (numdigit > 0) {
|
|
int compare = (int)strncmp(p1, p2, (size_t)numdigit);
|
|
|
|
if (compare != 0) {
|
|
return compare;
|
|
}
|
|
}
|
|
|
|
/* use number of leading zeros as tie breaker if still equal */
|
|
if (*tiebreaker == 0) {
|
|
if (numzero1 > numzero2) {
|
|
*tiebreaker = 1;
|
|
}
|
|
else if (numzero1 < numzero2) {
|
|
*tiebreaker = -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int BLI_strcasecmp_natural(const char *s1, const char *s2)
|
|
{
|
|
int d1 = 0, d2 = 0;
|
|
char c1, c2;
|
|
int tiebreaker = 0;
|
|
|
|
/* if both chars are numeric, to a left_number_strcmp().
|
|
* then increase string deltas as long they are
|
|
* numeric, else do a tolower and char compare */
|
|
|
|
while (1) {
|
|
if (isdigit(s1[d1]) && isdigit(s2[d2])) {
|
|
int numcompare = left_number_strcmp(s1 + d1, s2 + d2, &tiebreaker);
|
|
|
|
if (numcompare != 0) {
|
|
return numcompare;
|
|
}
|
|
|
|
/* Some wasted work here, left_number_strcmp already consumes at least some digits. */
|
|
d1++;
|
|
while (isdigit(s1[d1])) {
|
|
d1++;
|
|
}
|
|
d2++;
|
|
while (isdigit(s2[d2])) {
|
|
d2++;
|
|
}
|
|
}
|
|
|
|
/* Test for end of strings first so that shorter strings are ordered in front. */
|
|
if (ELEM(0, s1[d1], s2[d2])) {
|
|
break;
|
|
}
|
|
|
|
c1 = tolower(s1[d1]);
|
|
c2 = tolower(s2[d2]);
|
|
|
|
if (c1 == c2) {
|
|
/* Continue iteration */
|
|
}
|
|
/* Check for '.' so "foo.bar" comes before "foo 1.bar". */
|
|
else if (c1 == '.') {
|
|
return -1;
|
|
}
|
|
else if (c2 == '.') {
|
|
return 1;
|
|
}
|
|
else if (c1 < c2) {
|
|
return -1;
|
|
}
|
|
else if (c1 > c2) {
|
|
return 1;
|
|
}
|
|
|
|
d1++;
|
|
d2++;
|
|
}
|
|
|
|
if (tiebreaker) {
|
|
return tiebreaker;
|
|
}
|
|
|
|
/* we might still have a different string because of lower/upper case, in
|
|
* that case fall back to regular string comparison */
|
|
return strcmp(s1, s2);
|
|
}
|
|
|
|
int BLI_strcmp_ignore_pad(const char *str1, const char *str2, const char pad)
|
|
{
|
|
size_t str1_len, str2_len;
|
|
|
|
while (*str1 == pad) {
|
|
str1++;
|
|
}
|
|
while (*str2 == pad) {
|
|
str2++;
|
|
}
|
|
|
|
str1_len = strlen(str1);
|
|
str2_len = strlen(str2);
|
|
|
|
while (str1_len && (str1[str1_len - 1] == pad)) {
|
|
str1_len--;
|
|
}
|
|
while (str2_len && (str2[str2_len - 1] == pad)) {
|
|
str2_len--;
|
|
}
|
|
|
|
if (str1_len == str2_len) {
|
|
return strncmp(str1, str2, str2_len);
|
|
}
|
|
if (str1_len > str2_len) {
|
|
int ret = strncmp(str1, str2, str2_len);
|
|
if (ret == 0) {
|
|
ret = 1;
|
|
}
|
|
return ret;
|
|
}
|
|
{
|
|
int ret = strncmp(str1, str2, str1_len);
|
|
if (ret == 0) {
|
|
ret = -1;
|
|
}
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name String Comparison at Start/End
|
|
* \{ */
|
|
|
|
int BLI_str_index_in_array_n(const char *__restrict str,
|
|
const char **__restrict str_array,
|
|
const int str_array_len)
|
|
{
|
|
int index;
|
|
const char **str_iter = str_array;
|
|
|
|
for (index = 0; index < str_array_len; str_iter++, index++) {
|
|
if (STREQ(str, *str_iter)) {
|
|
return index;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int BLI_str_index_in_array(const char *__restrict str, const char **__restrict str_array)
|
|
{
|
|
int index;
|
|
const char **str_iter = str_array;
|
|
|
|
for (index = 0; *str_iter; str_iter++, index++) {
|
|
if (STREQ(str, *str_iter)) {
|
|
return index;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
bool BLI_str_startswith(const char *__restrict str, const char *__restrict start)
|
|
{
|
|
for (; *str && *start; str++, start++) {
|
|
if (*str != *start) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return (*start == '\0');
|
|
}
|
|
|
|
bool BLI_strn_endswith(const char *__restrict str, const char *__restrict end, size_t slength)
|
|
{
|
|
size_t elength = strlen(end);
|
|
|
|
if (elength < slength) {
|
|
const char *iter = &str[slength - elength];
|
|
while (*iter) {
|
|
if (*iter++ != *end++) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool BLI_str_endswith(const char *__restrict str, const char *__restrict end)
|
|
{
|
|
const size_t slength = strlen(str);
|
|
return BLI_strn_endswith(str, end, slength);
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name String Length
|
|
* \{ */
|
|
|
|
size_t BLI_strnlen(const char *s, const size_t maxlen)
|
|
{
|
|
size_t len;
|
|
|
|
for (len = 0; len < maxlen; len++, s++) {
|
|
if (!*s) {
|
|
break;
|
|
}
|
|
}
|
|
return len;
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name String Case Conversion
|
|
* \{ */
|
|
|
|
void BLI_str_tolower_ascii(char *str, const size_t len)
|
|
{
|
|
size_t i;
|
|
|
|
for (i = 0; (i < len) && str[i]; i++) {
|
|
if (str[i] >= 'A' && str[i] <= 'Z') {
|
|
str[i] += 'a' - 'A';
|
|
}
|
|
}
|
|
}
|
|
|
|
void BLI_str_toupper_ascii(char *str, const size_t len)
|
|
{
|
|
size_t i;
|
|
|
|
for (i = 0; (i < len) && str[i]; i++) {
|
|
if (str[i] >= 'a' && str[i] <= 'z') {
|
|
str[i] -= 'a' - 'A';
|
|
}
|
|
}
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name String Stripping
|
|
* \{ */
|
|
|
|
void BLI_str_rstrip(char *str)
|
|
{
|
|
for (int i = (int)strlen(str) - 1; i >= 0; i--) {
|
|
if (isspace(str[i])) {
|
|
str[i] = '\0';
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int BLI_str_rstrip_float_zero(char *str, const char pad)
|
|
{
|
|
char *p = strchr(str, '.');
|
|
int totstrip = 0;
|
|
if (p) {
|
|
char *end_p;
|
|
p++; /* position at first decimal place */
|
|
end_p = p + (strlen(p) - 1); /* position at last character */
|
|
if (end_p > p) {
|
|
while (end_p != p && *end_p == '0') {
|
|
*end_p = pad;
|
|
end_p--;
|
|
totstrip++;
|
|
}
|
|
}
|
|
}
|
|
|
|
return totstrip;
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name String Split (Partition)
|
|
* \{ */
|
|
|
|
size_t BLI_str_partition(const char *str, const char delim[], const char **sep, const char **suf)
|
|
{
|
|
return BLI_str_partition_ex(str, NULL, delim, sep, suf, false);
|
|
}
|
|
|
|
size_t BLI_str_rpartition(const char *str, const char delim[], const char **sep, const char **suf)
|
|
{
|
|
return BLI_str_partition_ex(str, NULL, delim, sep, suf, true);
|
|
}
|
|
|
|
size_t BLI_str_partition_ex(const char *str,
|
|
const char *end,
|
|
const char delim[],
|
|
const char **sep,
|
|
const char **suf,
|
|
const bool from_right)
|
|
{
|
|
const char *d;
|
|
char *(*func)(const char *str, int c) = from_right ? strrchr : strchr;
|
|
|
|
BLI_assert(end == NULL || end > str);
|
|
|
|
*sep = *suf = NULL;
|
|
|
|
for (d = delim; *d != '\0'; d++) {
|
|
const char *tmp;
|
|
|
|
if (end) {
|
|
if (from_right) {
|
|
for (tmp = end - 1; (tmp >= str) && (*tmp != *d); tmp--) {
|
|
/* pass */
|
|
}
|
|
if (tmp < str) {
|
|
tmp = NULL;
|
|
}
|
|
}
|
|
else {
|
|
tmp = func(str, *d);
|
|
if (tmp >= end) {
|
|
tmp = NULL;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
tmp = func(str, *d);
|
|
}
|
|
|
|
if (tmp && (from_right ? (*sep < tmp) : (!*sep || *sep > tmp))) {
|
|
*sep = tmp;
|
|
}
|
|
}
|
|
|
|
if (*sep) {
|
|
*suf = *sep + 1;
|
|
return (size_t)(*sep - str);
|
|
}
|
|
|
|
return end ? (size_t)(end - str) : strlen(str);
|
|
}
|
|
|
|
int BLI_string_find_split_words(
|
|
const char *str, const size_t len, const char delim, int r_words[][2], int words_max)
|
|
{
|
|
int n = 0, i;
|
|
bool charsearch = true;
|
|
|
|
/* Skip leading spaces */
|
|
for (i = 0; (i < len) && (str[i] != '\0'); i++) {
|
|
if (str[i] != delim) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (; (i < len) && (str[i] != '\0') && (n < words_max); i++) {
|
|
if ((str[i] != delim) && (charsearch == true)) {
|
|
r_words[n][0] = i;
|
|
charsearch = false;
|
|
}
|
|
else {
|
|
if ((str[i] == delim) && (charsearch == false)) {
|
|
r_words[n][1] = i - r_words[n][0];
|
|
n++;
|
|
charsearch = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (charsearch == false) {
|
|
r_words[n][1] = i - r_words[n][0];
|
|
n++;
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
/** \} */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
/** \name String Formatting (Numeric)
|
|
* \{ */
|
|
|
|
static size_t BLI_str_format_int_grouped_ex(char src[16], char dst[16], int num_len)
|
|
{
|
|
char *p_src = src;
|
|
char *p_dst = dst;
|
|
|
|
const char separator = ',';
|
|
int commas;
|
|
|
|
if (*p_src == '-') {
|
|
*p_dst++ = *p_src++;
|
|
num_len--;
|
|
}
|
|
|
|
for (commas = 2 - num_len % 3; *p_src; commas = (commas + 1) % 3) {
|
|
*p_dst++ = *p_src++;
|
|
if (commas == 1) {
|
|
*p_dst++ = separator;
|
|
}
|
|
}
|
|
*--p_dst = '\0';
|
|
|
|
return (size_t)(p_dst - dst);
|
|
}
|
|
|
|
size_t BLI_str_format_int_grouped(char dst[16], int num)
|
|
{
|
|
char src[16];
|
|
int num_len = sprintf(src, "%d", num);
|
|
|
|
return BLI_str_format_int_grouped_ex(src, dst, num_len);
|
|
}
|
|
|
|
size_t BLI_str_format_uint64_grouped(char dst[16], uint64_t num)
|
|
{
|
|
/* NOTE: Buffer to hold maximum unsigned int64, which is 1.8e+19. but
|
|
* we also need space for commas and null-terminator. */
|
|
char src[27];
|
|
int num_len = sprintf(src, "%" PRIu64 "", num);
|
|
|
|
return BLI_str_format_int_grouped_ex(src, dst, num_len);
|
|
}
|
|
|
|
void BLI_str_format_byte_unit(char dst[15], long long int bytes, const bool base_10)
|
|
{
|
|
double bytes_converted = bytes;
|
|
int order = 0;
|
|
int decimals;
|
|
const int base = base_10 ? 1000 : 1024;
|
|
const char *units_base_10[] = {"B", "KB", "MB", "GB", "TB", "PB"};
|
|
const char *units_base_2[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB"};
|
|
const int tot_units = ARRAY_SIZE(units_base_2);
|
|
|
|
BLI_STATIC_ASSERT(ARRAY_SIZE(units_base_2) == ARRAY_SIZE(units_base_10), "array size mismatch");
|
|
|
|
while ((fabs(bytes_converted) >= base) && ((order + 1) < tot_units)) {
|
|
bytes_converted /= base;
|
|
order++;
|
|
}
|
|
decimals = MAX2(order - 1, 0);
|
|
|
|
/* Format value first, stripping away floating zeroes. */
|
|
const size_t dst_len = 15;
|
|
size_t len = BLI_snprintf_rlen(dst, dst_len, "%.*f", decimals, bytes_converted);
|
|
len -= (size_t)BLI_str_rstrip_float_zero(dst, '\0');
|
|
dst[len++] = ' ';
|
|
BLI_strncpy(dst + len, base_10 ? units_base_10[order] : units_base_2[order], dst_len - len);
|
|
}
|
|
|
|
void BLI_str_format_attribute_domain_size(char dst[7], int number_to_format)
|
|
{
|
|
float number_to_format_converted = number_to_format;
|
|
int order = 0;
|
|
const float base = 1000;
|
|
const char *units[] = {"", "K", "M", "B"};
|
|
const int tot_units = ARRAY_SIZE(units);
|
|
|
|
while ((fabsf(number_to_format_converted) >= base) && ((order + 1) < tot_units)) {
|
|
number_to_format_converted /= base;
|
|
order++;
|
|
}
|
|
|
|
const size_t dst_len = 7;
|
|
int decimals = 0;
|
|
if ((order > 0) && fabsf(number_to_format_converted) < 100.0f) {
|
|
decimals = 1;
|
|
}
|
|
BLI_snprintf(dst, dst_len, "%.*f%s", decimals, number_to_format_converted, units[order]);
|
|
}
|
|
|
|
/** \} */
|