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-rw-r--r--ffmpeg/libavutil/avstring.c422
1 files changed, 0 insertions, 422 deletions
diff --git a/ffmpeg/libavutil/avstring.c b/ffmpeg/libavutil/avstring.c
deleted file mode 100644
index f4374fd..0000000
--- a/ffmpeg/libavutil/avstring.c
+++ /dev/null
@@ -1,422 +0,0 @@
-/*
- * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
- * Copyright (c) 2007 Mans Rullgard
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <stdarg.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "config.h"
-#include "common.h"
-#include "mem.h"
-#include "avstring.h"
-#include "bprint.h"
-
-int av_strstart(const char *str, const char *pfx, const char **ptr)
-{
- while (*pfx && *pfx == *str) {
- pfx++;
- str++;
- }
- if (!*pfx && ptr)
- *ptr = str;
- return !*pfx;
-}
-
-int av_stristart(const char *str, const char *pfx, const char **ptr)
-{
- while (*pfx && av_toupper((unsigned)*pfx) == av_toupper((unsigned)*str)) {
- pfx++;
- str++;
- }
- if (!*pfx && ptr)
- *ptr = str;
- return !*pfx;
-}
-
-char *av_stristr(const char *s1, const char *s2)
-{
- if (!*s2)
- return (char*)(intptr_t)s1;
-
- do
- if (av_stristart(s1, s2, NULL))
- return (char*)(intptr_t)s1;
- while (*s1++);
-
- return NULL;
-}
-
-char *av_strnstr(const char *haystack, const char *needle, size_t hay_length)
-{
- size_t needle_len = strlen(needle);
- if (!needle_len)
- return (char*)haystack;
- while (hay_length >= needle_len) {
- hay_length--;
- if (!memcmp(haystack, needle, needle_len))
- return (char*)haystack;
- haystack++;
- }
- return NULL;
-}
-
-size_t av_strlcpy(char *dst, const char *src, size_t size)
-{
- size_t len = 0;
- while (++len < size && *src)
- *dst++ = *src++;
- if (len <= size)
- *dst = 0;
- return len + strlen(src) - 1;
-}
-
-size_t av_strlcat(char *dst, const char *src, size_t size)
-{
- size_t len = strlen(dst);
- if (size <= len + 1)
- return len + strlen(src);
- return len + av_strlcpy(dst + len, src, size - len);
-}
-
-size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...)
-{
- int len = strlen(dst);
- va_list vl;
-
- va_start(vl, fmt);
- len += vsnprintf(dst + len, size > len ? size - len : 0, fmt, vl);
- va_end(vl);
-
- return len;
-}
-
-char *av_asprintf(const char *fmt, ...)
-{
- char *p = NULL;
- va_list va;
- int len;
-
- va_start(va, fmt);
- len = vsnprintf(NULL, 0, fmt, va);
- va_end(va);
- if (len < 0)
- goto end;
-
- p = av_malloc(len + 1);
- if (!p)
- goto end;
-
- va_start(va, fmt);
- len = vsnprintf(p, len + 1, fmt, va);
- va_end(va);
- if (len < 0)
- av_freep(&p);
-
-end:
- return p;
-}
-
-char *av_d2str(double d)
-{
- char *str = av_malloc(16);
- if (str)
- snprintf(str, 16, "%f", d);
- return str;
-}
-
-#define WHITESPACES " \n\t"
-
-char *av_get_token(const char **buf, const char *term)
-{
- char *out = av_malloc(strlen(*buf) + 1);
- char *ret = out, *end = out;
- const char *p = *buf;
- if (!out)
- return NULL;
- p += strspn(p, WHITESPACES);
-
- while (*p && !strspn(p, term)) {
- char c = *p++;
- if (c == '\\' && *p) {
- *out++ = *p++;
- end = out;
- } else if (c == '\'') {
- while (*p && *p != '\'')
- *out++ = *p++;
- if (*p) {
- p++;
- end = out;
- }
- } else {
- *out++ = c;
- }
- }
-
- do
- *out-- = 0;
- while (out >= end && strspn(out, WHITESPACES));
-
- *buf = p;
-
- return ret;
-}
-
-char *av_strtok(char *s, const char *delim, char **saveptr)
-{
- char *tok;
-
- if (!s && !(s = *saveptr))
- return NULL;
-
- /* skip leading delimiters */
- s += strspn(s, delim);
-
- /* s now points to the first non delimiter char, or to the end of the string */
- if (!*s) {
- *saveptr = NULL;
- return NULL;
- }
- tok = s++;
-
- /* skip non delimiters */
- s += strcspn(s, delim);
- if (*s) {
- *s = 0;
- *saveptr = s+1;
- } else {
- *saveptr = NULL;
- }
-
- return tok;
-}
-
-int av_strcasecmp(const char *a, const char *b)
-{
- uint8_t c1, c2;
- do {
- c1 = av_tolower(*a++);
- c2 = av_tolower(*b++);
- } while (c1 && c1 == c2);
- return c1 - c2;
-}
-
-int av_strncasecmp(const char *a, const char *b, size_t n)
-{
- const char *end = a + n;
- uint8_t c1, c2;
- do {
- c1 = av_tolower(*a++);
- c2 = av_tolower(*b++);
- } while (a < end && c1 && c1 == c2);
- return c1 - c2;
-}
-
-const char *av_basename(const char *path)
-{
- char *p = strrchr(path, '/');
-
-#if HAVE_DOS_PATHS
- char *q = strrchr(path, '\\');
- char *d = strchr(path, ':');
-
- p = FFMAX3(p, q, d);
-#endif
-
- if (!p)
- return path;
-
- return p + 1;
-}
-
-const char *av_dirname(char *path)
-{
- char *p = strrchr(path, '/');
-
-#if HAVE_DOS_PATHS
- char *q = strrchr(path, '\\');
- char *d = strchr(path, ':');
-
- d = d ? d + 1 : d;
-
- p = FFMAX3(p, q, d);
-#endif
-
- if (!p)
- return ".";
-
- *p = '\0';
-
- return path;
-}
-
-int av_escape(char **dst, const char *src, const char *special_chars,
- enum AVEscapeMode mode, int flags)
-{
- AVBPrint dstbuf;
-
- av_bprint_init(&dstbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
- av_bprint_escape(&dstbuf, src, special_chars, mode, flags);
-
- if (!av_bprint_is_complete(&dstbuf)) {
- av_bprint_finalize(&dstbuf, NULL);
- return AVERROR(ENOMEM);
- } else {
- av_bprint_finalize(&dstbuf, dst);
- return dstbuf.len;
- }
-}
-
-int av_isdigit(int c)
-{
- return c >= '0' && c <= '9';
-}
-
-int av_isgraph(int c)
-{
- return c > 32 && c < 127;
-}
-
-int av_isspace(int c)
-{
- return c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' ||
- c == '\v';
-}
-
-int av_isxdigit(int c)
-{
- c = av_tolower(c);
- return av_isdigit(c) || (c >= 'a' && c <= 'f');
-}
-
-int av_utf8_decode(int32_t *codep, const uint8_t **bufp, const uint8_t *buf_end,
- unsigned int flags)
-{
- const uint8_t *p = *bufp;
- uint32_t top;
- uint64_t code;
- int ret = 0;
-
- if (p >= buf_end)
- return 0;
-
- code = *p++;
-
- /* first sequence byte starts with 10, or is 1111-1110 or 1111-1111,
- which is not admitted */
- if ((code & 0xc0) == 0x80 || code >= 0xFE) {
- ret = AVERROR(EILSEQ);
- goto end;
- }
- top = (code & 128) >> 1;
-
- while (code & top) {
- int tmp;
- if (p >= buf_end) {
- ret = AVERROR(EILSEQ); /* incomplete sequence */
- goto end;
- }
-
- /* we assume the byte to be in the form 10xx-xxxx */
- tmp = *p++ - 128; /* strip leading 1 */
- if (tmp>>6) {
- ret = AVERROR(EILSEQ);
- goto end;
- }
- code = (code<<6) + tmp;
- top <<= 5;
- }
- code &= (top << 1) - 1;
-
- if (code >= 1<<31) {
- ret = AVERROR(EILSEQ); /* out-of-range value */
- goto end;
- }
-
- *codep = code;
-
- if (code > 0x10FFFF &&
- !(flags & AV_UTF8_FLAG_ACCEPT_INVALID_BIG_CODES))
- ret = AVERROR(EILSEQ);
- if (code < 0x20 && code != 0x9 && code != 0xA && code != 0xD &&
- flags & AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES)
- ret = AVERROR(EILSEQ);
- if (code >= 0xD800 && code <= 0xDFFF &&
- !(flags & AV_UTF8_FLAG_ACCEPT_SURROGATES))
- ret = AVERROR(EILSEQ);
- if ((code == 0xFFFE || code == 0xFFFF) &&
- !(flags & AV_UTF8_FLAG_ACCEPT_NON_CHARACTERS))
- ret = AVERROR(EILSEQ);
-
-end:
- *bufp = p;
- return ret;
-}
-
-#ifdef TEST
-
-int main(void)
-{
- int i;
- static const char * const strings[] = {
- "''",
- "",
- ":",
- "\\",
- "'",
- " '' :",
- " '' '' :",
- "foo '' :",
- "'foo'",
- "foo ",
- " ' foo ' ",
- "foo\\",
- "foo': blah:blah",
- "foo\\: blah:blah",
- "foo\'",
- "'foo : ' :blahblah",
- "\\ :blah",
- " foo",
- " foo ",
- " foo \\ ",
- "foo ':blah",
- " foo bar : blahblah",
- "\\f\\o\\o",
- "'foo : \\ \\ ' : blahblah",
- "'\\fo\\o:': blahblah",
- "\\'fo\\o\\:': foo ' :blahblah"
- };
-
- printf("Testing av_get_token()\n");
- for (i = 0; i < FF_ARRAY_ELEMS(strings); i++) {
- const char *p = strings[i];
- char *q;
- printf("|%s|", p);
- q = av_get_token(&p, ":");
- printf(" -> |%s|", q);
- printf(" + |%s|\n", p);
- av_free(q);
- }
-
- return 0;
-}
-
-#endif /* TEST */
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