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annotate util.h @ 995:2bc27415565b

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Fix some stuff with interrupt timing. The change in adjust_int_cycle gets Overdrive working again (vint was not being preferred over hint in some cases). One of the changes seems to have broken Fatal Rewind again, but no other regressions that I can see.
author Michael Pavone <pavone@retrodev.com>
date Sat, 30 Apr 2016 08:37:55 -0700
parents 1618d3676a35
children 51885857c019
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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4 #include <stdio.h>
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5 #include <time.h>
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6
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7 typedef struct {
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8 char *name;
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9 uint8_t is_dir;
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10 } dir_entry;
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11
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12 //Utility functions
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13
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14 //Allocates a new string containing the concatenation of first and second
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15 char * alloc_concat(char const * first, char const * second);
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16 //Allocates a new string containing the concatenation of the strings pointed to by parts
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17 char * alloc_concat_m(int num_parts, char const ** parts);
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18 //Returns the size of a file using fseek and ftell
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19 long file_size(FILE * f);
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20 //Strips whitespace and non-printable characters from the beginning and end of a string
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21 char * strip_ws(char * text);
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22 //Inserts a null after the first word, returns a pointer to the second word
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23 char * split_keyval(char * text);
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24 //Returns the basename of a path with th extension (if any) stripped
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25 char * basename_no_extension(char *path);
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26 //Gets the smallest power of two that is >= a certain value, won't work for values > 0x80000000
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27 uint32_t nearest_pow2(uint32_t val);
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28 //Should be called by main with the value of argv[0] for use by get_exe_dir
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29 void set_exe_str(char * str);
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30 //Returns the directory the executable is in
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31 char * get_exe_dir();
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32 //Returns the user's home directory
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33 char * get_home_dir();
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34 //Returns an appropriate path for storing config files
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35 char const *get_config_dir();
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36 //Returns an appropriate path for saving non-config data like savestates
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37 char const *get_save_dir();
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38 //Reads a file bundled with the executable
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39 char *read_bundled_file(char *name, long *sizeret);
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40 //Retunrs an array of normal files and directories residing in a directory
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41 dir_entry *get_dir_list(char *path, size_t *numret);
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42 //Frees a dir list returned by get_dir_list
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43 void free_dir_list(dir_entry *list, size_t numentries);
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44 //Gets the modification time of a file
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45 time_t get_modification_time(char *path);
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parents: 876
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46 //Recusrively creates a directory if it does not exist
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47 int ensure_dir_exists(char *path);
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48 //Returns the contents of a symlink in a newly allocated string
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49 char * readlink_alloc(char * path);
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50 //Prints an error message to stderr and to a message box if not in headless mode and then exits
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51 void fatal_error(char *format, ...);
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52 //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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53 void info_message(char *format, ...);
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54 //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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55 void warning(char *format, ...);
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56
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57 #endif //UTIL_H_