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| 56 | extern psiconv_u32 psiconv_list_length(const psiconv_list l); |
56 | extern psiconv_u32 psiconv_list_length(const psiconv_list l); |
| 57 | |
57 | |
| 58 | /* Return 1 if the list is empty, 0 if not */ |
58 | /* Return 1 if the list is empty, 0 if not */ |
| 59 | extern int psiconv_list_is_empty(const psiconv_list l); |
59 | extern int psiconv_list_is_empty(const psiconv_list l); |
| 60 | |
60 | |
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61 | /* Empty a list. Note this does not reclaim any memory space! */ |
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62 | extern void psiconv_list_empty(psiconv_list l); |
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63 | |
| 61 | /* Get an element from the list, and return a pointer to it. Note: you can |
64 | /* Get an element from the list, and return a pointer to it. Note: you can |
| 62 | directly modify this element, but be careful not to write beyond the |
65 | directly modify this element, but be careful not to write beyond the |
| 63 | element memory space. |
66 | element memory space. |
| 64 | If indx is out of range, NULL is returned. */ |
67 | If indx is out of range, NULL is returned. */ |
| 65 | extern void * psiconv_list_get(const psiconv_list l, psiconv_u32 indx); |
68 | extern void * psiconv_list_get(const psiconv_list l, psiconv_u32 indx); |
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| 69 | pointers. |
72 | pointers. |
| 70 | As the lists extends itself, it may be necessary to allocate new |
73 | As the lists extends itself, it may be necessary to allocate new |
| 71 | memory. If this fails, a negative error-code is returned. If everything, |
74 | memory. If this fails, a negative error-code is returned. If everything, |
| 72 | succeeds, 0 is returned. */ |
75 | succeeds, 0 is returned. */ |
| 73 | extern int psiconv_list_add(psiconv_list l, const void *el); |
76 | extern int psiconv_list_add(psiconv_list l, const void *el); |
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77 | |
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78 | /* Remove the last element from the list, and copy it to el. Note that |
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79 | this will not reduce the amount of space reserved for the list. |
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80 | An error code is returned, which will be 0 zero if everything |
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81 | succeeded. It is your own responsibility to make sure enough |
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82 | space is allocated to el. */ |
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83 | extern int psiconv_list_pop(psiconv_list l, void *el); |
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84 | |
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85 | /* Replace an element within the list. The element is copied from the |
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86 | supplied element. Fails if you try to write at or after the end of |
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87 | the list. */ |
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88 | extern int psiconv_list_replace(psiconv_list l, psiconv_u32 indx, |
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89 | const void *el); |
| 74 | |
90 | |
| 75 | /* Do some action for each element. Note: you can directly modify the |
91 | /* Do some action for each element. Note: you can directly modify the |
| 76 | elements supplied to action, and they will be changed in the list, |
92 | elements supplied to action, and they will be changed in the list, |
| 77 | but never try a free(el)! */ |
93 | but never try a free(el)! */ |
| 78 | extern void psiconv_list_foreach_el(psiconv_list l, void action(void *el)); |
94 | extern void psiconv_list_foreach_el(psiconv_list l, void action(void *el)); |
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