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1 | /* |
2 | * Copyright (C) 2013 nu774 |
3 | * For conditions of distribution and use, see copyright notice in COPYING |
4 | */ |
5 | #if HAVE_CONFIG_H |
6 | # include "config.h" |
7 | #endif |
8 | #if HAVE_STDINT_H |
9 | # include <stdint.h> |
10 | #endif |
11 | #include <stdio.h> |
12 | #include <stdlib.h> |
13 | #include <string.h> |
14 | #include <stdarg.h> |
15 | #include <sys/time.h> |
16 | #include "compat.h" |
17 | |
18 | int64_t aacenc_timer(void) |
19 | { |
20 | struct timeval tv = { 0 }; |
21 | gettimeofday(&tv, 0); |
22 | return (int64_t)tv.tv_sec * 1000 + tv.tv_usec / 1000; |
23 | } |
24 | |
25 | FILE *aacenc_fopen(const char *name, const char *mode) |
26 | { |
27 | FILE *fp; |
28 | if (strcmp(name, "-") == 0) |
29 | fp = (mode[0] == 'r') ? stdin : stdout; |
30 | else |
31 | fp = fopen(name, mode); |
32 | return fp; |
33 | } |
34 | |
9b7e1ca6 |
35 | int aacenc_seekable(FILE *fp) |
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36 | { |
9b7e1ca6 |
37 | return fseek(fp, 0, SEEK_CUR) == 0; |
48e2f01c |
38 | } |
39 | |
5888fddc |
40 | /* |
41 | * Different from POSIX basename() when path ends with /. |
42 | * Since we use this only for a regular file, the difference doesn't matter. |
43 | */ |
44 | const char *aacenc_basename(const char *path) |
45 | { |
46 | const char *p = strrchr(path, '/'); |
47 | return p ? p + 1: path; |
48 | } |
49 | |
48e2f01c |
50 | #ifndef HAVE_ICONV |
51 | char *aacenc_to_utf8(const char *s) |
52 | { |
53 | return strdup(s); |
54 | } |
55 | #else /* HAVE_ICONV */ |
56 | |
57 | #include <sys/types.h> |
58 | #include <stddef.h> |
59 | #include <errno.h> |
60 | #include <iconv.h> |
61 | |
62 | #if HAVE_LOCALCHARSET_H |
63 | #include <localcharset.h> |
64 | #elif HAVE_LANGINFO_H |
65 | #include <langinfo.h> |
66 | static const char *locale_charset(void) |
67 | { |
68 | return nl_langinfo(CODESET); |
69 | } |
70 | #else |
71 | static const char *locale_charset(void) |
72 | { |
73 | return 0; |
74 | } |
75 | #endif |
76 | |
77 | static |
78 | int utf8_from_charset(const char *charset, const char *from, char **to) |
79 | { |
80 | iconv_t cd; |
81 | size_t fromlen, obsize, ibleft, obleft; |
82 | char *ip, *op; |
83 | |
84 | cd = iconv_open("UTF-8", charset); |
85 | if (cd == (iconv_t)-1) |
86 | return -1; |
87 | |
88 | fromlen = strlen(from); |
89 | ibleft = fromlen; |
90 | obsize = 2; |
91 | obleft = obsize - 1; |
92 | *to = malloc(obsize); |
93 | ip = (char *)from; |
94 | op = *to; |
95 | |
96 | while (ibleft > 0) { |
97 | if (iconv(cd, &ip, &ibleft, &op, &obleft) != (size_t)-1) |
98 | break; |
99 | else { |
100 | if (errno == E2BIG || obleft == 0) { |
101 | ptrdiff_t offset = op - *to; |
102 | obsize *= 2; |
103 | *to = realloc(*to, obsize); |
104 | op = *to + offset; |
105 | obleft = obsize - offset - 1; |
106 | } |
107 | if (errno == EILSEQ) { |
108 | ++ip; |
109 | --ibleft; |
110 | *op++ = '?'; |
111 | --obleft; |
112 | } |
113 | if (errno != E2BIG && errno != EILSEQ) |
114 | break; |
115 | } |
116 | } |
117 | iconv_close(cd); |
118 | *op = 0; |
119 | if (fromlen > 0 && op == *to) { |
120 | free(op); |
121 | return -1; |
122 | } |
123 | return 0; |
124 | } |
125 | |
126 | char *aacenc_to_utf8(const char *s) |
127 | { |
128 | char *result; |
129 | const char *charset; |
130 | |
131 | if ((charset = locale_charset()) == 0) |
132 | charset = "US-ASCII"; |
133 | if (utf8_from_charset(charset, s, &result) < 0) |
134 | result = strdup(s); |
135 | return result; |
136 | } |
137 | #endif /* HAVE_ICONV */ |