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annotate util.h @ 955:229c23b3ab73

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Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
author Michael Pavone <pavone@retrodev.com>
date Fri, 15 Apr 2016 18:29:39 -0700
parents 540cc4a7d626
children 1618d3676a35
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39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c
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1 #ifndef UTIL_H_
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2 #define UTIL_H_
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3
39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c
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4 #include <stdio.h>
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5
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6 typedef struct {
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7 char *name;
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8 uint8_t is_dir;
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9 } dir_entry;
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10
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39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c
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11 //Utility functions
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12
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13 //Allocates a new string containing the concatenation of first and second
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14 char * alloc_concat(char const * first, char const * second);
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15 //Allocates a new string containing the concatenation of the strings pointed to by parts
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16 char * alloc_concat_m(int num_parts, char const ** parts);
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17 //Returns the size of a file using fseek and ftell
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18 long file_size(FILE * f);
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19 //Strips whitespace and non-printable characters from the beginning and end of a string
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20 char * strip_ws(char * text);
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6fc71114d145 Extract function to determine executable directory from load_config so it can be used elsewhere
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21 //Inserts a null after the first word, returns a pointer to the second word
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22 char * split_keyval(char * text);
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229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
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23 //Returns the basename of a path with th extension (if any) stripped
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
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parents: 876
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24 char * basename_no_extension(char *path);
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25 //Gets the smallest power of two that is >= a certain value, won't work for values > 0x80000000
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26 uint32_t nearest_pow2(uint32_t val);
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27 //Should be called by main with the value of argv[0] for use by get_exe_dir
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28 void set_exe_str(char * str);
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29 //Returns the directory the executable is in
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30 char * get_exe_dir();
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31 //Returns the user's home directory
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32 char * get_home_dir();
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33 //Returns an appropriate path for storing config files
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34 char const *get_config_dir();
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229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
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parents: 876
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35 //Returns an appropriate path for saving non-config data like savestates
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
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parents: 876
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36 char const *get_save_dir();
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37 //Reads a file bundled with the executable
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38 char *read_bundled_file(char *name, long *sizeret);
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39 //Retunrs an array of normal files and directories residing in a directory
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40 dir_entry *get_dir_list(char *path, size_t *numret);
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parents: 794
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41 //Frees a dir list returned by get_dir_list
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42 void free_dir_list(dir_entry *list, size_t numentries);
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229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
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parents: 876
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43 //Recusrively creates a directory if it does not exist
229c23b3ab73 Switch to storing SRAM/EEPROM and save states in a per-game directory rather than next to the ROM (for SRAM/EEPROM) or in the current working directory (for save states)
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parents: 876
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44 int ensure_dir_exists(char *path);
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45 //Returns the contents of a symlink in a newly allocated string
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46 char * readlink_alloc(char * path);
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724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
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47 //Prints an error message to stderr and to a message box if not in headless mode and then exits
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48 void fatal_error(char *format, ...);
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49 //Prints an information message to stdout and to a message box if not in headless mode and not attached to a console
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50 void info_message(char *format, ...);
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792be135d3af Spawn a terminal for the debugger when needed if we are not already attached to one
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51 //Prints an information message to stderr and to a message box if not in headless mode and not attached to a console
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52 void warning(char *format, ...);
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53
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54 #endif //UTIL_H_