mirror of https://github.com/nu774/fdkaac.git
139 lines
2.7 KiB
C
139 lines
2.7 KiB
C
/*
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* Copyright (C) 2013 nu774
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* For conditions of distribution and use, see copyright notice in COPYING
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*/
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#if HAVE_CONFIG_H
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# include "config.h"
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#endif
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#if HAVE_STDINT_H
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# include <stdint.h>
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#endif
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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 <stdarg.h>
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#include <sys/time.h>
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#include "compat.h"
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int64_t aacenc_timer(void)
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{
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struct timeval tv = { 0 };
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gettimeofday(&tv, 0);
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return (int64_t)tv.tv_sec * 1000 + tv.tv_usec / 1000;
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}
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FILE *aacenc_fopen(const char *name, const char *mode)
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{
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FILE *fp;
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if (strcmp(name, "-") == 0)
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fp = (mode[0] == 'r') ? stdin : stdout;
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else
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fp = fopen(name, mode);
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return fp;
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}
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void aacenc_getmainargs(int *argc, char ***argv)
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{
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return;
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}
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int aacenc_fprintf(FILE *fp, const char *fmt, ...)
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{
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va_list ap;
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int cnt;
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va_start(ap, fmt);
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cnt = vfprintf(fp, fmt, ap);
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va_end(ap);
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return cnt;
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}
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#ifndef HAVE_ICONV
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char *aacenc_to_utf8(const char *s)
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{
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return strdup(s);
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}
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#else /* HAVE_ICONV */
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#include <sys/types.h>
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#include <stddef.h>
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#include <errno.h>
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#include <iconv.h>
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#if HAVE_LOCALCHARSET_H
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#include <localcharset.h>
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#elif HAVE_LANGINFO_H
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#include <langinfo.h>
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static const char *locale_charset(void)
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{
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return nl_langinfo(CODESET);
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}
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#else
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static const char *locale_charset(void)
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{
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return 0;
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}
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#endif
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static
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int utf8_from_charset(const char *charset, const char *from, char **to)
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{
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iconv_t cd;
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size_t fromlen, obsize, ibleft, obleft;
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char *ip, *op;
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cd = iconv_open("UTF-8", charset);
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if (cd == (iconv_t)-1)
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return -1;
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fromlen = strlen(from);
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ibleft = fromlen;
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obsize = 2;
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obleft = obsize - 1;
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*to = malloc(obsize);
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ip = (char *)from;
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op = *to;
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while (ibleft > 0) {
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if (iconv(cd, &ip, &ibleft, &op, &obleft) != (size_t)-1)
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break;
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else {
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if (errno == E2BIG || obleft == 0) {
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ptrdiff_t offset = op - *to;
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obsize *= 2;
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*to = realloc(*to, obsize);
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op = *to + offset;
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obleft = obsize - offset - 1;
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}
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if (errno == EILSEQ) {
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++ip;
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--ibleft;
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*op++ = '?';
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--obleft;
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}
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if (errno != E2BIG && errno != EILSEQ)
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break;
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}
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}
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iconv_close(cd);
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*op = 0;
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if (fromlen > 0 && op == *to) {
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free(op);
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return -1;
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}
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return 0;
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}
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char *aacenc_to_utf8(const char *s)
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{
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char *result;
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const char *charset;
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if ((charset = locale_charset()) == 0)
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charset = "US-ASCII";
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if (utf8_from_charset(charset, s, &result) < 0)
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result = strdup(s);
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return result;
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}
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#endif /* HAVE_ICONV */
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