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Commit | Line | Data |
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68687902 | 1 | /* |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Header$ | |
5 | * | |
6 | * Copyright (C) 1987 by the Massachusetts Institute of Technology | |
7 | * | |
8 | * Miscellaneous string functions. | |
9 | */ | |
10 | ||
11 | #ifndef lint | |
12 | static char *rcsid_strs_c = "$Header$"; | |
13 | #endif lint | |
14 | ||
15 | ||
16 | /* | |
17 | * Random string functions which should be in the C library.. | |
18 | */ | |
19 | ||
20 | /* | |
21 | * Make a copy of a string. | |
22 | */ | |
23 | char * | |
24 | strsave(s) | |
25 | char *s; | |
26 | { | |
27 | register int len = strlen(s) + 1; | |
28 | register char *p = malloc((u_int)len); | |
29 | if (p) bcopy(s, p, len); | |
30 | return p; | |
31 | } | |
32 | /* | |
33 | * Trim whitespace off both ends of a string. | |
34 | */ | |
35 | char *strtrim(s) | |
36 | register char *s; | |
37 | { | |
38 | register char *t; | |
39 | ||
40 | while (isspace(*s)) s++; | |
41 | /* skip to end of string */ | |
42 | ||
43 | for (t = s; *t; t++) continue; | |
44 | while (t > s) { | |
45 | --t; | |
46 | if (!isspace(*t)) { | |
47 | t++; | |
48 | break; | |
49 | } | |
50 | } | |
51 | *t = '\0'; | |
52 | return s; | |
53 | } | |
54 | ||
55 | /* | |
56 | * Case insensitive string compare. | |
57 | */ | |
58 | ||
59 | int cistrcmp(cp1, cp2) | |
60 | char *cp1, *cp2; | |
61 | { | |
62 | register int c1, c2; | |
63 | ||
64 | do { | |
65 | if (isupper(c1 = (*cp1++))) c1 = tolower(c1); | |
66 | if (isupper(c2 = (*cp2++))) c2 = tolower(c2); | |
67 | if (c1 != c2) return c1-c2; | |
68 | } while (c1 && c2); | |
69 | return 0; | |
70 | } | |
71 |