ucx/string.h@bf8ab7bb74ff (annotated)
ucx/string.h
Tue, 02 Oct 2012 13:43:17 +0200
- author
- Mike Becker <universe@uap-core.de>
- date
- Tue, 02 Oct 2012 13:43:17 +0200
- changeset 39
- bf8ab7bb74ff
- parent 38
- 35f67a8ef875
- child 42
- ff3dd1ee7dee
- permissions
- -rw-r--r--
added sstrsplit function
| olaf@20 | 1 | /* |
| olaf@20 | 2 | * File: sstring.h |
| olaf@20 | 3 | * Author: olaf |
| olaf@20 | 4 | * |
| olaf@20 | 5 | * Created on 17. Juni 2010, 13:26 |
| olaf@20 | 6 | */ |
| olaf@20 | 7 | |
| olaf@20 | 8 | #ifndef _SSTRING_H |
| olaf@20 | 9 | #define _SSTRING_H |
| olaf@20 | 10 | |
| universe@38 | 11 | #include <stddef.h> |
| universe@38 | 12 | |
| olaf@20 | 13 | #define S(s) { s, sizeof(s)-1 } |
| olaf@20 | 14 | #define ST(s) sstrn(s, sizeof(s)-1) |
| olaf@20 | 15 | |
| olaf@20 | 16 | #ifdef __cplusplus |
| olaf@20 | 17 | extern "C" { |
| olaf@20 | 18 | #endif |
| olaf@20 | 19 | |
| olaf@20 | 20 | typedef struct sstring { |
| olaf@20 | 21 | char *ptr; |
| olaf@20 | 22 | size_t length; |
| olaf@20 | 23 | } sstr_t; |
| olaf@20 | 24 | |
| olaf@20 | 25 | /* |
| olaf@20 | 26 | * creates a new sstr_t from a null terminated string |
| olaf@20 | 27 | * |
| olaf@20 | 28 | * s null terminated string |
| olaf@20 | 29 | */ |
| olaf@20 | 30 | sstr_t sstr (char *s); |
| olaf@20 | 31 | |
| olaf@20 | 32 | /* |
| olaf@20 | 33 | * creates a new sstr_t from a string and length |
| olaf@20 | 34 | * |
| olaf@20 | 35 | * s string |
| olaf@20 | 36 | * n length of string |
| olaf@20 | 37 | */ |
| olaf@20 | 38 | sstr_t sstrn (char *s, size_t n); |
| olaf@20 | 39 | |
| olaf@20 | 40 | |
| olaf@20 | 41 | /* |
| olaf@20 | 42 | * gets the length of n sstr_t strings |
| olaf@20 | 43 | * |
| olaf@20 | 44 | * n number of strings |
| olaf@20 | 45 | * s string |
| olaf@20 | 46 | * ... strings |
| olaf@20 | 47 | */ |
| olaf@20 | 48 | size_t sstrnlen (size_t n, sstr_t s, ...); |
| olaf@20 | 49 | |
| olaf@20 | 50 | |
| olaf@20 | 51 | /* |
| olaf@20 | 52 | * concatenates n strings |
| olaf@20 | 53 | * |
| olaf@20 | 54 | * n number of strings |
| olaf@20 | 55 | * s new string with enough memory allocated |
| olaf@20 | 56 | * ... strings |
| olaf@20 | 57 | */ |
| olaf@20 | 58 | sstr_t sstrncat (size_t n, sstr_t s, sstr_t c1, ...); |
| olaf@20 | 59 | |
| olaf@20 | 60 | |
| olaf@20 | 61 | /* |
| olaf@20 | 62 | * |
| olaf@20 | 63 | */ |
| olaf@20 | 64 | sstr_t sstrsubs (sstr_t s, size_t start); |
| olaf@20 | 65 | |
| olaf@20 | 66 | /* |
| olaf@20 | 67 | * |
| olaf@20 | 68 | */ |
| olaf@20 | 69 | sstr_t sstrsubsl (sstr_t s, size_t start, size_t end); |
| olaf@20 | 70 | |
| universe@39 | 71 | /* |
| universe@39 | 72 | * splits s into n parts |
| universe@39 | 73 | * |
| universe@39 | 74 | * s the string to split |
| universe@39 | 75 | * d the delimiter string |
| universe@39 | 76 | * n the maximum size of the resulting list |
| universe@39 | 77 | * a size of 0 indicates an unbounded list size |
| universe@39 | 78 | * the actual size of the list will be stored here |
| universe@39 | 79 | * |
| universe@39 | 80 | * Hint: use this value to avoid dynamic reallocation of the result list |
| universe@39 | 81 | * |
| universe@39 | 82 | * Returns a list of the split strings |
| universe@39 | 83 | * NOTE: this list needs to be freed manually after usage |
| universe@39 | 84 | * |
| universe@39 | 85 | * Returns NULL on error |
| universe@39 | 86 | */ |
| universe@39 | 87 | sstr_t* sstrsplit(sstr_t s, sstr_t d, size_t *n); |
| olaf@20 | 88 | |
| olaf@20 | 89 | int sstrcmp(sstr_t s1, sstr_t s2); |
| olaf@20 | 90 | |
| olaf@31 | 91 | sstr_t sstrdup(sstr_t s); |
| olaf@20 | 92 | |
| olaf@20 | 93 | #ifdef __cplusplus |
| olaf@20 | 94 | } |
| olaf@20 | 95 | #endif |
| olaf@20 | 96 | |
| olaf@20 | 97 | #endif /* _SSTRING_H */ |
