rpmdb/tagname.c

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#include "system.h"

#include <rpmlib.h>
#include "debug.h"

/*@access headerTagTableEntry @*/

static int tagcmp(const void * a, const void * b)
        /*@*/
{
    const headerTagTableEntry aptr = a;
    const headerTagTableEntry bptr = b;
    return (aptr->val - bptr->val);
}

int tagType(int tag)
{
    headerTagTableEntry t = memset(alloca(sizeof(*t)), 0, sizeof(*t));
    headerTagTableEntry needle;
    int tagtype = RPM_NULL_TYPE;

    t->val = tag;
/*@-boundswrite@*/
    needle = bsearch(t, rpmTagTable, rpmTagTableSize, sizeof(*t), tagcmp);
/*@=boundswrite@*/
    if (needle != NULL)
        tagtype = needle->type;
    return tagtype;
}

const char *const tagName(int tag)
{
    static char nameBuf[128];   /* XXX yuk */
    char *s;
    int i;

    switch (tag) {
    case RPMDBI_PACKAGES:
        strcpy(nameBuf, "Packages");
        break;
    case RPMDBI_DEPENDS:
        strcpy(nameBuf, "Depends");
        break;
    case RPMDBI_ADDED:
        strcpy(nameBuf, "Added");
        break;
    case RPMDBI_REMOVED:
        strcpy(nameBuf, "Removed");
        break;
    case RPMDBI_AVAILABLE:
        strcpy(nameBuf, "Available");
        break;
    case RPMDBI_HDLIST:
        strcpy(nameBuf, "Hdlist");
        break;
    case RPMDBI_ARGLIST:
        strcpy(nameBuf, "Arglist");
        break;
    case RPMDBI_FTSWALK:
        strcpy(nameBuf, "Ftswalk");
        break;
    default:
        strcpy(nameBuf, "(unknown)");
/*@-boundswrite@*/
        for (i = 0; i < rpmTagTableSize; i++) {
            if (tag != rpmTagTable[i].val)
                continue;
            nameBuf[0] = nameBuf[1] = '\0';
            if (rpmTagTable[i].name != NULL)    /* XXX programmer error. */
                strcpy(nameBuf, rpmTagTable[i].name + (sizeof("RPMTAG_")-1));
            for (s = nameBuf+1; *s != '\0'; s++)
                *s = xtolower(*s);
            /*@loopbreak@*/ break;
        }
/*@=boundswrite@*/
        break;
    }
    return nameBuf;
}

int tagValue(const char * tagstr)
{
    const struct headerTagTableEntry_s *t;

    if (!xstrcasecmp(tagstr, "Packages"))
        return RPMDBI_PACKAGES;
    if (!xstrcasecmp(tagstr, "Depends"))
        return RPMDBI_DEPENDS;
    if (!xstrcasecmp(tagstr, "Added"))
        return RPMDBI_ADDED;
    if (!xstrcasecmp(tagstr, "Removed"))
        return RPMDBI_REMOVED;
    if (!xstrcasecmp(tagstr, "Available"))
        return RPMDBI_AVAILABLE;
    if (!xstrcasecmp(tagstr, "Hdlist"))
        return RPMDBI_HDLIST;
    if (!xstrcasecmp(tagstr, "Arglist"))
        return RPMDBI_ARGLIST;
    if (!xstrcasecmp(tagstr, "Ftswalk"))
        return RPMDBI_FTSWALK;

    for (t = rpmTagTable; t->name != NULL; t++) {
        if (!xstrcasecmp(t->name + (sizeof("RPMTAG_")-1), tagstr))
            return t->val;
    }
    return -1;
}

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