| 1 | |
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| 2 | /* |
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| 3 | * folder_pack.c -- pack (renumber) the messages in a folder |
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| 4 | * -- into a contiguous range from 1 to n. |
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| 5 | * |
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| 6 | * $Id: folder_pack.c,v 1.1.1.1 1999-02-07 18:14:08 danw Exp $ |
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| 7 | */ |
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| 8 | |
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| 9 | #include <h/mh.h> |
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| 10 | |
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| 11 | /* |
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| 12 | * Pack the message in a folder. |
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| 13 | * Return -1 if error, else return 0. |
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| 14 | */ |
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| 15 | |
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| 16 | int |
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| 17 | folder_pack (struct msgs **mpp, int verbose) |
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| 18 | { |
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| 19 | int hole, msgnum, newcurrent = 0; |
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| 20 | char newmsg[BUFSIZ], oldmsg[BUFSIZ]; |
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| 21 | struct msgs *mp; |
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| 22 | |
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| 23 | mp = *mpp; |
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| 24 | |
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| 25 | /* |
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| 26 | * Just return if folder is empty. |
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| 27 | */ |
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| 28 | if (mp->nummsg == 0) |
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| 29 | return 0; |
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| 30 | |
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| 31 | /* |
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| 32 | * Make sure we have message status space allocated |
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| 33 | * for all numbers from 1 to current high message. |
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| 34 | */ |
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| 35 | if (mp->lowoff > 1) { |
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| 36 | if ((mp = folder_realloc (mp, 1, mp->hghmsg))) |
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| 37 | *mpp = mp; |
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| 38 | else { |
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| 39 | advise (NULL, "unable to allocate folder storage"); |
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| 40 | return -1; |
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| 41 | } |
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| 42 | } |
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| 43 | |
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| 44 | for (msgnum = mp->lowmsg, hole = 1; msgnum <= mp->hghmsg; msgnum++) { |
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| 45 | if (does_exist (mp, msgnum)) { |
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| 46 | if (msgnum != hole) { |
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| 47 | strncpy (newmsg, m_name (hole), sizeof(newmsg)); |
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| 48 | strncpy (oldmsg, m_name (msgnum), sizeof(oldmsg)); |
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| 49 | if (verbose) |
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| 50 | printf ("message %s becomes %s\n", oldmsg, newmsg); |
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| 51 | |
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| 52 | /* move the message file */ |
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| 53 | if (rename (oldmsg, newmsg) == -1) { |
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| 54 | advise (newmsg, "unable to rename %s to", oldmsg); |
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| 55 | return -1; |
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| 56 | } |
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| 57 | |
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| 58 | /* check if this is the current message */ |
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| 59 | if (msgnum == mp->curmsg) |
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| 60 | newcurrent = hole; |
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| 61 | |
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| 62 | /* copy the attribute flags for this message */ |
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| 63 | copy_msg_flags (mp, hole, msgnum); |
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| 64 | |
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| 65 | if (msgnum == mp->lowsel) |
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| 66 | mp->lowsel = hole; |
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| 67 | if (msgnum == mp->hghsel) |
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| 68 | mp->hghsel = hole; |
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| 69 | |
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| 70 | /* mark that sequence information has been modified */ |
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| 71 | mp->msgflags |= SEQMOD; |
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| 72 | } |
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| 73 | hole++; |
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| 74 | } |
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| 75 | } |
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| 76 | |
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| 77 | /* record the new number for the high/low message */ |
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| 78 | mp->lowmsg = 1; |
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| 79 | mp->hghmsg = hole - 1; |
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| 80 | |
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| 81 | /* update the "cur" sequence */ |
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| 82 | if (newcurrent != 0) |
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| 83 | seq_setcur (mp, newcurrent); |
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| 84 | |
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| 85 | return 0; |
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| 86 | } |
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