ucx/string.h@27e67e725d35 (annotated)
ucx/string.h
Thu, 11 Oct 2012 11:42:31 +0200
- author
- Mike Becker <universe@uap-core.de>
- date
- Thu, 11 Oct 2012 11:42:31 +0200
- changeset 67
- 27e67e725d35
- parent 47
- 22fb97e9f58a
- child 68
- 88dbea299440
- permissions
- -rw-r--r--
added some qualifiers + removed pointer alias in mergesort
| 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 | |
| universe@42 | 13 | /* use macros for literals only */ |
| olaf@20 | 14 | #define S(s) { s, sizeof(s)-1 } |
| olaf@20 | 15 | #define ST(s) sstrn(s, sizeof(s)-1) |
| olaf@20 | 16 | |
| olaf@20 | 17 | #ifdef __cplusplus |
| olaf@20 | 18 | extern "C" { |
| olaf@20 | 19 | #endif |
| olaf@20 | 20 | |
| olaf@20 | 21 | typedef struct sstring { |
| olaf@20 | 22 | char *ptr; |
| olaf@20 | 23 | size_t length; |
| olaf@20 | 24 | } sstr_t; |
| olaf@20 | 25 | |
| olaf@20 | 26 | /* |
| olaf@20 | 27 | * creates a new sstr_t from a null terminated string |
| olaf@20 | 28 | * |
| olaf@20 | 29 | * s null terminated string |
| olaf@20 | 30 | */ |
| olaf@20 | 31 | sstr_t sstr (char *s); |
| olaf@20 | 32 | |
| olaf@20 | 33 | /* |
| olaf@20 | 34 | * creates a new sstr_t from a string and length |
| olaf@20 | 35 | * |
| olaf@20 | 36 | * s string |
| olaf@20 | 37 | * n length of string |
| olaf@20 | 38 | */ |
| olaf@20 | 39 | sstr_t sstrn (char *s, size_t n); |
| olaf@20 | 40 | |
| olaf@20 | 41 | |
| olaf@20 | 42 | /* |
| olaf@20 | 43 | * gets the length of n sstr_t strings |
| olaf@20 | 44 | * |
| olaf@20 | 45 | * n number of strings |
| olaf@20 | 46 | * s string |
| olaf@20 | 47 | * ... strings |
| olaf@20 | 48 | */ |
| universe@67 | 49 | size_t sstrnlen (size_t n, const sstr_t s, ...); |
| olaf@20 | 50 | |
| olaf@20 | 51 | |
| olaf@20 | 52 | /* |
| olaf@20 | 53 | * concatenates n strings |
| olaf@20 | 54 | * |
| olaf@20 | 55 | * n number of strings |
| olaf@20 | 56 | * s new string with enough memory allocated |
| olaf@20 | 57 | * ... strings |
| olaf@20 | 58 | */ |
| universe@67 | 59 | sstr_t sstrncat (size_t n, sstr_t s, const sstr_t c1, ...); |
| olaf@20 | 60 | |
| olaf@20 | 61 | |
| olaf@20 | 62 | /* |
| olaf@20 | 63 | * |
| olaf@20 | 64 | */ |
| universe@67 | 65 | sstr_t sstrsubs (const sstr_t s, size_t start); |
| olaf@20 | 66 | |
| olaf@20 | 67 | /* |
| olaf@20 | 68 | * |
| olaf@20 | 69 | */ |
| universe@67 | 70 | sstr_t sstrsubsl (const sstr_t s, size_t start, size_t length); |
| olaf@20 | 71 | |
| universe@39 | 72 | /* |
| universe@39 | 73 | * splits s into n parts |
| universe@39 | 74 | * |
| universe@39 | 75 | * s the string to split |
| universe@39 | 76 | * d the delimiter string |
| universe@39 | 77 | * n the maximum size of the resulting list |
| universe@39 | 78 | * a size of 0 indicates an unbounded list size |
| universe@39 | 79 | * the actual size of the list will be stored here |
| universe@39 | 80 | * |
| universe@39 | 81 | * Hint: use this value to avoid dynamic reallocation of the result list |
| universe@39 | 82 | * |
| universe@39 | 83 | * Returns a list of the split strings |
| universe@39 | 84 | * NOTE: this list needs to be freed manually after usage |
| universe@39 | 85 | * |
| universe@39 | 86 | * Returns NULL on error |
| universe@39 | 87 | */ |
| universe@67 | 88 | sstr_t* sstrsplit(const sstr_t s, const sstr_t d, size_t *n); |
| olaf@20 | 89 | |
| universe@67 | 90 | int sstrcmp(const sstr_t s1, const sstr_t s2); |
| olaf@20 | 91 | |
| universe@67 | 92 | sstr_t sstrdup(const sstr_t s); |
| olaf@20 | 93 | |
| olaf@20 | 94 | #ifdef __cplusplus |
| olaf@20 | 95 | } |
| olaf@20 | 96 | #endif |
| olaf@20 | 97 | |
| olaf@20 | 98 | #endif /* _SSTRING_H */ |
