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annotate libmlk-util/mlk/util/util.h @ 438:25a56ca53ac2

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core: update mlk-alloc module
author David Demelier <markand@malikania.fr>
date Mon, 17 Oct 2022 14:22:07 +0200
parents 38cf60f5a1c4
children 9f062143e675
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1 /*
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2 * util.h -- miscellaneous utilities
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3 *
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4 * Copyright (c) 2020-2022 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #ifndef MLK_PORT_H
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20 #define MLK_PORT_H
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22 #include <limits.h>
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23 #include <stdio.h>
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25 /*
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26 * This file helps finding what are the available features accross the various
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27 * operating system in the landscape.
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28 *
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29 * The following macros are automatically set depending on the operating
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30 * system:
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31 *
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32 * - MLK_OS_WINDOWS: running on any Windows machine
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33 * - MLK_OS_POSIX: every mostly POSIX systems
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34 *
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35 * The following macro will be automatically defined unless the user override
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36 * them:
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37 *
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38 * - MLK_HAS_FMEMOPEN: defined if fmemopen function is available.
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39 * - MLK_HAS_SSIZE_T: defined if ssize_t typedef is available.
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40 */
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41
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42 #if defined(_WIN32)
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43 # define MLK_OS_WINDOWS
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44 #elif defined(__FreeBSD__)
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45 # define MLK_OS_POSIX
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46 #elif defined(__OpenBSD__)
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47 # define MLK_OS_POSIX
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48 #elif defined(__NetBSD__)
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49 # define MLK_OS_POSIX
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50 #elif defined(__linux__)
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51 # define MLK_OS_POSIX
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52 #elif defined(__APPLE__)
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53 # define MLK_OS_POSIX
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54 # define MLK_OS_APPLE
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55 #endif
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56
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57 #if !defined(PATH_MAX)
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58 # define PATH_MAX 2048
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59 #endif
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61 #if defined(MLK_OS_POSIX) && !defined(MLK_HAS_SSIZE_T)
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62 # define MLK_HAS_SSIZE_T
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63 #endif
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64
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65 #if !defined(MLK_HAS_SSIZE_T)
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66 typedef long long int ssize_t;
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67 #endif
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69 #if defined(MLK_OS_POSIX) && !defined(MLK_HAS_FMEMOPEN)
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70 # define MLK_HAS_FMEMOPEN
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71 #endif
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72
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73 size_t
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74 util_strlcpy(char *, const char *, size_t);
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76 size_t
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77 util_strlcat(char *, const char *, size_t);
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79 FILE *
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80 util_fmemopen(void *, size_t, const char *);
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81
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82 char *
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83 util_basename(char *);
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84
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85 char *
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86 util_dirname(char *);
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87
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88 extern int util_opterr;
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89 extern int util_optind;
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90 extern int util_optopt;
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91 extern char *util_optarg;
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92
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93 int
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94 util_getopt(int, char **, const char *);
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95
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96 #endif /* !MLK_PORT_H */