48e2f01c |
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 | |
35 | void aacenc_getmainargs(int *argc, char ***argv) |
36 | { |
37 | return; |
38 | } |
39 | |
40 | int aacenc_fprintf(FILE *fp, const char *fmt, ...) |
41 | { |
42 | va_list ap; |
43 | int cnt; |
44 | |
45 | va_start(ap, fmt); |
46 | cnt = vfprintf(fp, fmt, ap); |
47 | va_end(ap); |
48 | return cnt; |
49 | } |
50 | |
5888fddc |
51 | /* |
52 | * Different from POSIX basename() when path ends with /. |
53 | * Since we use this only for a regular file, the difference doesn't matter. |
54 | */ |
55 | const char *aacenc_basename(const char *path) |
56 | { |
57 | const char *p = strrchr(path, '/'); |
58 | return p ? p + 1: path; |
59 | } |
60 | |
48e2f01c |
61 | #ifndef HAVE_ICONV |
62 | char *aacenc_to_utf8(const char *s) |
63 | { |
64 | return strdup(s); |
65 | } |
66 | #else /* HAVE_ICONV */ |
67 | |
68 | #include <sys/types.h> |
69 | #include <stddef.h> |
70 | #include <errno.h> |
71 | #include <iconv.h> |
72 | |
73 | #if HAVE_LOCALCHARSET_H |
74 | #include <localcharset.h> |
75 | #elif HAVE_LANGINFO_H |
76 | #include <langinfo.h> |
77 | static const char *locale_charset(void) |
78 | { |
79 | return nl_langinfo(CODESET); |
80 | } |
81 | #else |
82 | static const char *locale_charset(void) |
83 | { |
84 | return 0; |
85 | } |
86 | #endif |
87 | |
88 | static |
89 | int utf8_from_charset(const char *charset, const char *from, char **to) |
90 | { |
91 | iconv_t cd; |
92 | size_t fromlen, obsize, ibleft, obleft; |
93 | char *ip, *op; |
94 | |
95 | cd = iconv_open("UTF-8", charset); |
96 | if (cd == (iconv_t)-1) |
97 | return -1; |
98 | |
99 | fromlen = strlen(from); |
100 | ibleft = fromlen; |
101 | obsize = 2; |
102 | obleft = obsize - 1; |
103 | *to = malloc(obsize); |
104 | ip = (char *)from; |
105 | op = *to; |
106 | |
107 | while (ibleft > 0) { |
108 | if (iconv(cd, &ip, &ibleft, &op, &obleft) != (size_t)-1) |
109 | break; |
110 | else { |
111 | if (errno == E2BIG || obleft == 0) { |
112 | ptrdiff_t offset = op - *to; |
113 | obsize *= 2; |
114 | *to = realloc(*to, obsize); |
115 | op = *to + offset; |
116 | obleft = obsize - offset - 1; |
117 | } |
118 | if (errno == EILSEQ) { |
119 | ++ip; |
120 | --ibleft; |
121 | *op++ = '?'; |
122 | --obleft; |
123 | } |
124 | if (errno != E2BIG && errno != EILSEQ) |
125 | break; |
126 | } |
127 | } |
128 | iconv_close(cd); |
129 | *op = 0; |
130 | if (fromlen > 0 && op == *to) { |
131 | free(op); |
132 | return -1; |
133 | } |
134 | return 0; |
135 | } |
136 | |
137 | char *aacenc_to_utf8(const char *s) |
138 | { |
139 | char *result; |
140 | const char *charset; |
141 | |
142 | if ((charset = locale_charset()) == 0) |
143 | charset = "US-ASCII"; |
144 | if (utf8_from_charset(charset, s, &result) < 0) |
145 | result = strdup(s); |
146 | return result; |
147 | } |
148 | #endif /* HAVE_ICONV */ |