diff options
author | Franklin Wei <git@fwei.tk> | 2017-01-21 15:18:31 -0500 |
---|---|---|
committer | Franklin Wei <git@fwei.tk> | 2017-12-23 21:01:26 -0500 |
commit | a855d6202536ff28e5aae4f22a0f31d8f5b325d0 (patch) | |
tree | 8c75f224dd64ed360505afa8843d016b0d75000b /apps/plugins/sdl/src/SDL_error.c | |
parent | 01c6dcf6c7b9bb1ad2fa0450f99bacc5f3d3e04b (diff) | |
download | rockbox-a855d6202536ff28e5aae4f22a0f31d8f5b325d0.tar.gz rockbox-a855d6202536ff28e5aae4f22a0f31d8f5b325d0.zip |
Port of Duke Nukem 3D
This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL
for Rockbox.
Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9
Diffstat (limited to 'apps/plugins/sdl/src/SDL_error.c')
-rw-r--r-- | apps/plugins/sdl/src/SDL_error.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/SDL_error.c b/apps/plugins/sdl/src/SDL_error.c new file mode 100644 index 0000000000..0f06bd53a3 --- /dev/null +++ b/apps/plugins/sdl/src/SDL_error.c | |||
@@ -0,0 +1,238 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | /* Simple error handling in SDL */ | ||
25 | |||
26 | #include "SDL_error.h" | ||
27 | #include "SDL_error_c.h" | ||
28 | |||
29 | /* Routine to get the thread-specific error variable */ | ||
30 | #if SDL_THREADS_DISABLED | ||
31 | /* The SDL_arraysize(The ),default (non-thread-safe) global error variable */ | ||
32 | static SDL_error SDL_global_error; | ||
33 | #define SDL_GetErrBuf() (&SDL_global_error) | ||
34 | #else | ||
35 | extern SDL_error *SDL_GetErrBuf(void); | ||
36 | #endif /* SDL_THREADS_DISABLED */ | ||
37 | |||
38 | #define SDL_ERRBUFIZE 1024 | ||
39 | |||
40 | /* Private functions */ | ||
41 | |||
42 | static const char *SDL_LookupString(const char *key) | ||
43 | { | ||
44 | /* FIXME: Add code to lookup key in language string hash-table */ | ||
45 | return key; | ||
46 | } | ||
47 | |||
48 | /* Public functions */ | ||
49 | |||
50 | void SDL_SetError (const char *fmt, ...) | ||
51 | { | ||
52 | va_list ap; | ||
53 | SDL_error *error; | ||
54 | |||
55 | /* Copy in the key, mark error as valid */ | ||
56 | error = SDL_GetErrBuf(); | ||
57 | error->error = 1; | ||
58 | SDL_strlcpy((char *)error->key, fmt, sizeof(error->key)); | ||
59 | |||
60 | va_start(ap, fmt); | ||
61 | error->argc = 0; | ||
62 | while ( *fmt ) { | ||
63 | if ( *fmt++ == '%' ) { | ||
64 | while ( *fmt == '.' || (*fmt >= '0' && *fmt <= '9') ) { | ||
65 | ++fmt; | ||
66 | } | ||
67 | switch (*fmt++) { | ||
68 | case 0: /* Malformed format string.. */ | ||
69 | --fmt; | ||
70 | break; | ||
71 | case 'c': | ||
72 | case 'i': | ||
73 | case 'd': | ||
74 | case 'u': | ||
75 | case 'o': | ||
76 | case 'x': | ||
77 | case 'X': | ||
78 | error->args[error->argc++].value_i = | ||
79 | va_arg(ap, int); | ||
80 | break; | ||
81 | case 'f': | ||
82 | error->args[error->argc++].value_f = | ||
83 | va_arg(ap, double); | ||
84 | break; | ||
85 | case 'p': | ||
86 | error->args[error->argc++].value_ptr = | ||
87 | va_arg(ap, void *); | ||
88 | break; | ||
89 | case 's': | ||
90 | { | ||
91 | int i = error->argc; | ||
92 | const char *str = va_arg(ap, const char *); | ||
93 | if (str == NULL) | ||
94 | str = "(null)"; | ||
95 | SDL_strlcpy((char *)error->args[i].buf, str, ERR_MAX_STRLEN); | ||
96 | error->argc++; | ||
97 | } | ||
98 | break; | ||
99 | default: | ||
100 | break; | ||
101 | } | ||
102 | if ( error->argc >= ERR_MAX_ARGS ) { | ||
103 | break; | ||
104 | } | ||
105 | } | ||
106 | } | ||
107 | va_end(ap); | ||
108 | |||
109 | /* If we are in debug mode, print out an error message */ | ||
110 | #ifdef DEBUG_ERROR | ||
111 | fprintf(stderr, "SDL_SetError: %s\n", SDL_GetError()); | ||
112 | #endif | ||
113 | } | ||
114 | |||
115 | /* This function has a bit more overhead than most error functions | ||
116 | so that it supports internationalization and thread-safe errors. | ||
117 | */ | ||
118 | char *SDL_GetErrorMsg(char *errstr, unsigned int maxlen) | ||
119 | { | ||
120 | SDL_error *error; | ||
121 | |||
122 | /* Clear the error string */ | ||
123 | *errstr = '\0'; --maxlen; | ||
124 | |||
125 | /* Get the thread-safe error, and print it out */ | ||
126 | error = SDL_GetErrBuf(); | ||
127 | if ( error->error ) { | ||
128 | const char *fmt; | ||
129 | char *msg = errstr; | ||
130 | int len; | ||
131 | int argi; | ||
132 | |||
133 | fmt = SDL_LookupString(error->key); | ||
134 | argi = 0; | ||
135 | while ( *fmt && (maxlen > 0) ) { | ||
136 | if ( *fmt == '%' ) { | ||
137 | char tmp[32], *spot = tmp; | ||
138 | *spot++ = *fmt++; | ||
139 | while ( (*fmt == '.' || (*fmt >= '0' && *fmt <= '9')) && spot < (tmp+SDL_arraysize(tmp)-2) ) { | ||
140 | *spot++ = *fmt++; | ||
141 | } | ||
142 | *spot++ = *fmt++; | ||
143 | *spot++ = '\0'; | ||
144 | switch (spot[-2]) { | ||
145 | case '%': | ||
146 | *msg++ = '%'; | ||
147 | maxlen -= 1; | ||
148 | break; | ||
149 | case 'c': | ||
150 | case 'i': | ||
151 | case 'd': | ||
152 | case 'u': | ||
153 | case 'o': | ||
154 | case 'x': | ||
155 | case 'X': | ||
156 | len = SDL_snprintf(msg, maxlen, tmp, error->args[argi++].value_i); | ||
157 | msg += len; | ||
158 | maxlen -= len; | ||
159 | break; | ||
160 | case 'f': | ||
161 | len = SDL_snprintf(msg, maxlen, tmp, error->args[argi++].value_f); | ||
162 | msg += len; | ||
163 | maxlen -= len; | ||
164 | break; | ||
165 | case 'p': | ||
166 | len = SDL_snprintf(msg, maxlen, tmp, error->args[argi++].value_ptr); | ||
167 | msg += len; | ||
168 | maxlen -= len; | ||
169 | break; | ||
170 | case 's': | ||
171 | len = SDL_snprintf(msg, maxlen, tmp, SDL_LookupString(error->args[argi++].buf)); | ||
172 | msg += len; | ||
173 | maxlen -= len; | ||
174 | break; | ||
175 | } | ||
176 | } else { | ||
177 | *msg++ = *fmt++; | ||
178 | maxlen -= 1; | ||
179 | } | ||
180 | } | ||
181 | *msg = 0; /* NULL terminate the string */ | ||
182 | } | ||
183 | return(errstr); | ||
184 | } | ||
185 | |||
186 | /* Available for backwards compatibility */ | ||
187 | char *SDL_GetError (void) | ||
188 | { | ||
189 | static char errmsg[SDL_ERRBUFIZE]; | ||
190 | |||
191 | return((char *)SDL_GetErrorMsg(errmsg, SDL_ERRBUFIZE)); | ||
192 | } | ||
193 | |||
194 | void SDL_ClearError(void) | ||
195 | { | ||
196 | SDL_error *error; | ||
197 | |||
198 | error = SDL_GetErrBuf(); | ||
199 | error->error = 0; | ||
200 | } | ||
201 | |||
202 | /* Very common errors go here */ | ||
203 | void SDL_Error(SDL_errorcode code) | ||
204 | { | ||
205 | switch (code) { | ||
206 | case SDL_ENOMEM: | ||
207 | SDL_SetError("Out of memory"); | ||
208 | break; | ||
209 | case SDL_EFREAD: | ||
210 | SDL_SetError("Error reading from datastream"); | ||
211 | break; | ||
212 | case SDL_EFWRITE: | ||
213 | SDL_SetError("Error writing to datastream"); | ||
214 | break; | ||
215 | case SDL_EFSEEK: | ||
216 | SDL_SetError("Error seeking in datastream"); | ||
217 | break; | ||
218 | default: | ||
219 | SDL_SetError("Unknown SDL error"); | ||
220 | break; | ||
221 | } | ||
222 | } | ||
223 | |||
224 | #ifdef TEST_ERROR | ||
225 | int main(int argc, char *argv[]) | ||
226 | { | ||
227 | char buffer[BUFSIZ+1]; | ||
228 | |||
229 | SDL_SetError("Hi there!"); | ||
230 | printf("Error 1: %s\n", SDL_GetError()); | ||
231 | SDL_ClearError(); | ||
232 | SDL_memset(buffer, '1', BUFSIZ); | ||
233 | buffer[BUFSIZ] = 0; | ||
234 | SDL_SetError("This is the error: %s (%f)", buffer, 1.0); | ||
235 | printf("Error 2: %s\n", SDL_GetError()); | ||
236 | exit(0); | ||
237 | } | ||
238 | #endif | ||