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1 | /* sstring.h - Declaration of "static strings" functions */ | |
2 | ||
3 | #include "sstring.h" | |
4 | #include "../core/nsmalloc.h" | |
5 | ||
6 | #include <assert.h> | |
7 | #include <string.h> | |
8 | ||
9 | sstring *getsstring(const char *inputstr, int maxlen) { | |
10 | sstring *retval = NULL; | |
11 | int length; | |
12 | ||
13 | /* getsstring() on a NULL pointer returns a NULL sstring.. */ | |
14 | if (inputstr == NULL) | |
15 | return NULL; | |
16 | ||
17 | length = strlen(inputstr) + 1; | |
18 | ||
19 | if (length > maxlen) | |
20 | length = maxlen + 1; | |
21 | ||
22 | assert(length <= SSTRING_MAX + 1); | |
23 | ||
24 | retval = nsmalloc(POOL_SSTRING, sizeof(sstring) + length); | |
25 | ||
26 | retval->length = length - 1; | |
27 | strncpy(retval->content, inputstr, length - 1); | |
28 | retval->content[length - 1] = '\0'; | |
29 | ||
30 | return retval; | |
31 | } | |
32 | ||
33 | void freesstring(sstring *inval) { | |
34 | nsfree(POOL_SSTRING, inval); | |
35 | } | |
36 | ||
37 | int sstringcompare(sstring *ss1, sstring *ss2) { | |
38 | if (ss1->length != ss2->length) | |
39 | return -1; | |
40 | ||
41 | return strncmp(ss1->content, ss2->content, ss1->length); | |
42 | } |