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Special case the non-parametric and the free-field macro expansion 

This makes the code easier to understand and also has the advantage
that "parsed" will be NULL for the normal cases.

No functual changes.
This commit is contained in:
Michael Schroeder 2021-10-25 10:41:12 +02:00 committed by Panu Matilainen
parent 243d01ff46
commit 374c0edac0
1 changed files with 24 additions and 16 deletions
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40
rpmio/macro.c
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@ -1513,23 +1513,31 @@ expandMacro(MacroBuf mb, const char *src, size_t slen)
continue;
}
/* Grab args for parametric macros */
ARGV_t args = NULL;
size_t fwd = 0;
if (me->opts != NULL) {
argvAdd(&args, me->name);
if (g) {
grabArgs(mb, me, &args, g, ge, 0);
} else if (me->flags & ME_PARSE) {
argvAdd(&args, se);
} else if (lastc) {
fwd = (grabArgs(mb, me, &args, fe, lastc, 1) - se);
}
if (me->opts == NULL) {
/* Simple non-parametric macro */
doMacro(mb, me, NULL, NULL);
s = se;
continue;
}
doMacro(mb, me, args, &fwd);
if (args != NULL)
argvFree(args);
s = se + (g ? 0 : fwd);
ARGV_t args = NULL;
argvAdd(&args, me->name);
if ((me->flags & ME_PARSE) != 0 && fe == se) {
/* Special free-field macros define/global/dnl */
size_t fwd = 0;
argvAdd(&args, se);
doMacro(mb, me, args, &fwd);
se += fwd;
} else {
/* Grab args for parametric macros */
if (g)
se = grabArgs(mb, me, &args, g, ge, 0);
else if (lastc)
se = grabArgs(mb, me, &args, fe, lastc, 1);
doMacro(mb, me, args, NULL);
}
argvFree(args);
s = se;
}
mbFini(mb, me, &med);