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| Commit | Line | Data |
|---|---|---|
| 9e8e5516 C |
1 | /* prim2str.c - presentation element to octet string */ |
| 2 | ||
| 3 | #ifndef lint | |
| 4 | static char *rcsid = "$Header: /f/osi/psap/RCS/prim2str.c,v 7.1 91/02/22 09:36:27 mrose Interim $"; | |
| 5 | #endif | |
| 6 | ||
| 7 | /* | |
| 8 | * $Header: /f/osi/psap/RCS/prim2str.c,v 7.1 91/02/22 09:36:27 mrose Interim $ | |
| 9 | * | |
| 10 | * | |
| 11 | * $Log: prim2str.c,v $ | |
| 12 | * Revision 7.1 91/02/22 09:36:27 mrose | |
| 13 | * Interim 6.8 | |
| 14 | * | |
| 15 | * Revision 7.0 89/11/23 22:13:16 mrose | |
| 16 | * Release 6.0 | |
| 17 | * | |
| 18 | */ | |
| 19 | ||
| 20 | /* | |
| 21 | * NOTICE | |
| 22 | * | |
| 23 | * Acquisition, use, and distribution of this module and related | |
| 24 | * materials are subject to the restrictions of a license agreement. | |
| 25 | * Consult the Preface in the User's Manual for the full terms of | |
| 26 | * this agreement. | |
| 27 | * | |
| 28 | */ | |
| 29 | ||
| 30 | ||
| 31 | /* LINTLIBRARY */ | |
| 32 | ||
| 33 | #include <stdio.h> | |
| 34 | #include "psap.h" | |
| 35 | ||
| 36 | /* \f */ | |
| 37 | ||
| 38 | /* Similar to pe_pullup. Returns a newly allocated string, composed of | |
| 39 | of any sub-elements in pe, whereas pe_pullup always reverts "pe" to | |
| 40 | a primitive. The string is null-terminated, though pe_len specifically | |
| 41 | does NOT reflect this. */ | |
| 42 | ||
| 43 | char *prim2str (pe, len) | |
| 44 | register PE pe; | |
| 45 | register int *len; | |
| 46 | { | |
| 47 | register int i, | |
| 48 | k; | |
| 49 | int j; | |
| 50 | register char *dp, | |
| 51 | *ep, | |
| 52 | *fp; | |
| 53 | register PElementClass class; | |
| 54 | register PElementID id; | |
| 55 | register PE p; | |
| 56 | ||
| 57 | *len = 0; | |
| 58 | switch (pe -> pe_form) { | |
| 59 | case PE_FORM_PRIM: | |
| 60 | if ((dp = malloc ((unsigned) ((i = pe -> pe_len) + 1))) == NULLCP) | |
| 61 | return pe_seterr (pe, PE_ERR_NMEM, NULLCP); | |
| 62 | bcopy ((char *) pe -> pe_prim, dp, i); | |
| 63 | break; | |
| 64 | ||
| 65 | case PE_FORM_CONS: | |
| 66 | if ((p = pe -> pe_cons) == NULLPE) { | |
| 67 | if ((dp = malloc ((unsigned) ((i = 0) + 1))) == NULLCP) | |
| 68 | return pe_seterr (pe, PE_ERR_NMEM, NULLCP); | |
| 69 | break; | |
| 70 | } | |
| 71 | dp = NULLCP, i = 0; | |
| 72 | class = p -> pe_class, id = p -> pe_id; | |
| 73 | for (p = pe -> pe_cons; p; p = p -> pe_next) { | |
| 74 | if ((p -> pe_class != class || p -> pe_id != id) | |
| 75 | && (p -> pe_class != PE_CLASS_UNIV | |
| 76 | || p -> pe_id != PE_PRIM_OCTS)) { | |
| 77 | if (dp) | |
| 78 | free (dp); | |
| 79 | return pe_seterr (pe, PE_ERR_TYPE, NULLCP); | |
| 80 | } | |
| 81 | ||
| 82 | if ((ep = prim2str (p, &j)) == NULLCP) { | |
| 83 | if (dp) | |
| 84 | free (dp); | |
| 85 | return pe_seterr (pe, PE_ERR_NMEM, NULLCP); | |
| 86 | } | |
| 87 | if (dp) { | |
| 88 | if ((fp = realloc (dp, (unsigned) ((k = i + j) + 1))) | |
| 89 | == NULLCP) { | |
| 90 | free (dp); | |
| 91 | return pe_seterr (pe, PE_ERR_NMEM, NULLCP); | |
| 92 | } | |
| 93 | bcopy (ep, fp + i, j); | |
| 94 | dp = fp, i = k; | |
| 95 | } | |
| 96 | else | |
| 97 | dp = ep, i += j; | |
| 98 | } | |
| 99 | break; | |
| 100 | } | |
| 101 | ||
| 102 | if (dp) | |
| 103 | dp[*len = i] = NULL; | |
| 104 | ||
| 105 | return dp; | |
| 106 | } |