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1 /*
2  * kmp_str.h -- String manipulation routines.
3  */
4 
5 //===----------------------------------------------------------------------===//
6 //
7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
8 // See https://llvm.org/LICENSE.txt for license information.
9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef KMP_STR_H
14 #define KMP_STR_H
15 
16 #include <stdarg.h>
17 #include <string.h>
18 
19 #include "kmp_os.h"
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif // __cplusplus
24 
25 #if KMP_OS_WINDOWS
26 #define strdup _strdup
27 #endif
28 
29 /*  some macros to replace ctype.h functions  */
30 #define TOLOWER(c) ((((c) >= 'A') && ((c) <= 'Z')) ? ((c) + 'a' - 'A') : (c))
31 
32 struct kmp_str_buf {
33   char *str; // Pointer to buffer content, read only.
34   unsigned int size; // Do not change this field!
35   int used; // Number of characters printed to buffer, read only.
36   char bulk[512]; // Do not use this field!
37 }; // struct kmp_str_buf
38 typedef struct kmp_str_buf kmp_str_buf_t;
39 
40 #define __kmp_str_buf_init(b)                                                  \
41   {                                                                            \
42     (b)->str = (b)->bulk;                                                      \
43     (b)->size = sizeof((b)->bulk);                                             \
44     (b)->used = 0;                                                             \
45     (b)->bulk[0] = 0;                                                          \
46   }
47 
48 void __kmp_str_buf_clear(kmp_str_buf_t *buffer);
49 void __kmp_str_buf_reserve(kmp_str_buf_t *buffer, int size);
50 void __kmp_str_buf_detach(kmp_str_buf_t *buffer);
51 void __kmp_str_buf_free(kmp_str_buf_t *buffer);
52 void __kmp_str_buf_cat(kmp_str_buf_t *buffer, char const *str, int len);
53 void __kmp_str_buf_catbuf(kmp_str_buf_t *dest, const kmp_str_buf_t *src);
54 int __kmp_str_buf_vprint(kmp_str_buf_t *buffer, char const *format,
55                          va_list args);
56 int __kmp_str_buf_print(kmp_str_buf_t *buffer, char const *format, ...);
57 void __kmp_str_buf_print_size(kmp_str_buf_t *buffer, size_t size);
58 
59 /* File name parser.
60    Usage:
61 
62    kmp_str_fname_t fname = __kmp_str_fname_init( path );
63    // Use fname.path (copy of original path ), fname.dir, fname.base.
64    // Note fname.dir concatenated with fname.base gives exact copy of path.
65    __kmp_str_fname_free( & fname );
66 */
67 struct kmp_str_fname {
68   char *path;
69   char *dir;
70   char *base;
71 }; // struct kmp_str_fname
72 typedef struct kmp_str_fname kmp_str_fname_t;
73 void __kmp_str_fname_init(kmp_str_fname_t *fname, char const *path);
74 void __kmp_str_fname_free(kmp_str_fname_t *fname);
75 // Compares file name with specified pattern. If pattern is NULL, any fname
76 // matched.
77 int __kmp_str_fname_match(kmp_str_fname_t const *fname, char const *pattern);
78 
79 /* The compiler provides source locations in string form
80    ";file;func;line;col;;". It is not convenient for manipulation. This
81    structure keeps source location in more convenient form.
82    Usage:
83 
84    kmp_str_loc_t loc = __kmp_str_loc_init(ident->psource, false);
85    // use loc.file, loc.func, loc.line, loc.col.
86    // loc.fname is available if second argument of __kmp_str_loc_init is true.
87    __kmp_str_loc_free( & loc );
88 
89    If psource is NULL or does not follow format above, file and/or func may be
90    NULL pointers.
91 */
92 struct kmp_str_loc {
93   char *_bulk; // Do not use thid field.
94   kmp_str_fname_t fname; // Will be initialized if init_fname is true.
95   char *file;
96   char *func;
97   int line;
98   int col;
99 }; // struct kmp_str_loc
100 typedef struct kmp_str_loc kmp_str_loc_t;
101 kmp_str_loc_t __kmp_str_loc_init(char const *psource, bool init_fname);
102 void __kmp_str_loc_numbers(char const *Psource, int *Line, int *Col);
103 void __kmp_str_loc_free(kmp_str_loc_t *loc);
104 
105 int __kmp_str_eqf(char const *lhs, char const *rhs);
106 char *__kmp_str_format(char const *format, ...);
107 void __kmp_str_free(char **str);
108 int __kmp_str_match(char const *target, int len, char const *data);
109 int __kmp_str_match_false(char const *data);
110 int __kmp_str_match_true(char const *data);
111 void __kmp_str_replace(char *str, char search_for, char replace_with);
112 void __kmp_str_split(char *str, char delim, char **head, char **tail);
113 char *__kmp_str_token(char *str, char const *delim, char **buf);
114 int __kmp_str_to_int(char const *str, char sentinel);
115 
116 void __kmp_str_to_size(char const *str, size_t *out, size_t dfactor,
117                        char const **error);
118 void __kmp_str_to_uint(char const *str, kmp_uint64 *out, char const **error);
119 
120 #ifdef __cplusplus
121 } // extern "C"
122 #endif // __cplusplus
123 
124 #endif // KMP_STR_H
125 
126 // end of file //
127