79 lines
2.5 KiB
Diff
79 lines
2.5 KiB
Diff
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This patch supports an extension in the condition evaluation.
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If the condition is a format and returns an nonempty string, it is
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assumed to be true.
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This mechanism is used by the weakdeps patch to filter the
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"RPMSENSE_STRONG" flag.
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--- ./rpmdb/header.c.orig 2005-06-06 23:33:54.000000000 +0000
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+++ ./rpmdb/header.c 2006-03-17 18:08:02.000000000 +0000
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@@ -2980,8 +2980,12 @@ static int parseExpression(headerSprintf
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*endPtr = chptr;
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+ token->u.cond.tag.type = NULL;
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+ token->u.cond.tag.format = "";
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token->type = PTOK_COND;
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+ if ((token->u.cond.tag.type = strchr(str, ':')) != 0)
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+ *token->u.cond.tag.type++ = 0;
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(void) findTag(hsa, token, str);
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return 0;
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@@ -3239,6 +3243,7 @@ static char * singleSprintf(headerSprint
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int_32 type;
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int_32 count;
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sprintfToken spft;
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+ sprintfTag stag;
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int condNumFormats;
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size_t need;
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@@ -3270,6 +3275,18 @@ static char * singleSprintf(headerSprint
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if (token->u.cond.tag.ext || headerIsEntry(hsa->h, token->u.cond.tag.tag)) {
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spft = token->u.cond.ifFormat;
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condNumFormats = token->u.cond.numIfTokens;
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+ if (token->u.cond.tag.fmt) {
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+ /* check if format creates output */
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+ size_t vallen = hsa->vallen;
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+ formatValue(hsa, &token->u.cond.tag, element);
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+ if (hsa->vallen == vallen) {
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+ spft = token->u.cond.elseFormat;
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+ condNumFormats = token->u.cond.numElseTokens;
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+ } else {
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+ hsa->vallen = vallen;
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+ hsa->val[hsa->vallen] = 0;
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+ }
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+ }
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} else {
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spft = token->u.cond.elseFormat;
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condNumFormats = token->u.cond.numElseTokens;
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@@ -3291,19 +3308,22 @@ static char * singleSprintf(headerSprint
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spft = token->u.array.format;
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for (i = 0; i < token->u.array.numTokens; i++, spft++)
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{
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- if (spft->type != PTOK_TAG ||
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- spft->u.tag.arrayCount ||
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- spft->u.tag.justOne) continue;
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+ if (spft->type != PTOK_TAG && spft->type != PTOK_COND)
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+ continue;
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+
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+ stag = (spft->type == PTOK_COND ? &spft->u.cond.tag : &spft->u.tag);
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+ if (stag->arrayCount || stag->justOne)
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+ continue;
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- if (spft->u.tag.ext) {
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+ if (stag->ext) {
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/*@-boundswrite@*/
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- if (getExtension(hsa, spft->u.tag.ext, &type, NULL, &count,
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- hsa->ec + spft->u.tag.extNum))
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+ if (getExtension(hsa, stag->ext, &type, NULL, &count,
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+ hsa->ec + stag->extNum))
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continue;
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/*@=boundswrite@*/
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} else {
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/*@-boundswrite@*/
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- if (!headerGetEntry(hsa->h, spft->u.tag.tag, &type, NULL, &count))
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+ if (!headerGetEntry(hsa->h, stag->tag, &type, NULL, &count))
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continue;
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/*@=boundswrite@*/
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}
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