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Use appendStringInfoString instead of appendStringInfo where possible.

Browse Source 
This shaves a few cycles, and generally seems like good programming
practice.

David Rowley
This commit is contained in:
Robert Haas
2013-10-31 10:55:59 -04:00
parent 343bb134ea
commit cacbdd7810
33 changed files with 399 additions and 404 deletions
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62
contrib/pg_trgm/trgm_regexp.c
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@ -1972,7 +1972,7 @@ printSourceNFA(regex_t *regex, TrgmColorInfo *colors, int ncolors)
initStringInfo(&buf);
appendStringInfo(&buf, "\ndigraph sourceNFA {\n");
appendStringInfoString(&buf, "\ndigraph sourceNFA {\n");
for (state = 0; state < nstates; state++)
{
@ -1982,8 +1982,8 @@ printSourceNFA(regex_t *regex, TrgmColorInfo *colors, int ncolors)
appendStringInfo(&buf, "s%d", state);
if (pg_reg_getfinalstate(regex) == state)
appendStringInfo(&buf, " [shape = doublecircle]");
appendStringInfo(&buf, ";\n");
appendStringInfoString(&buf, " [shape = doublecircle]");
appendStringInfoString(&buf, ";\n");
arcsCount = pg_reg_getnumoutarcs(regex, state);
arcs = (regex_arc_t *) palloc(sizeof(regex_arc_t) * arcsCount);
@ -1998,13 +1998,13 @@ printSourceNFA(regex_t *regex, TrgmColorInfo *colors, int ncolors)
pfree(arcs);
}
appendStringInfo(&buf, " node [shape = point ]; initial;\n");
appendStringInfoString(&buf, " node [shape = point ]; initial;\n");
appendStringInfo(&buf, " initial -> s%d;\n",
pg_reg_getinitialstate(regex));
/* Print colors */
appendStringInfo(&buf, " { rank = sink;\n");
appendStringInfo(&buf, " Colors [shape = none, margin=0, label=<\n");
appendStringInfoString(&buf, " { rank = sink;\n");
appendStringInfoString(&buf, " Colors [shape = none, margin=0, label=<\n");
for (i = 0; i < ncolors; i++)
{
@ -2020,17 +2020,17 @@ printSourceNFA(regex_t *regex, TrgmColorInfo *colors, int ncolors)
memcpy(s, color->wordChars[j].bytes, MAX_MULTIBYTE_CHAR_LEN);
s[MAX_MULTIBYTE_CHAR_LEN] = '\0';
appendStringInfo(&buf, "%s", s);
appendStringInfoString(&buf, s);
}
}
else
appendStringInfo(&buf, "not expandable");
appendStringInfo(&buf, "\n");
appendStringInfoString(&buf, "not expandable");
appendStringInfoChar(&buf, '\n');
}
appendStringInfo(&buf, " >];\n");
appendStringInfo(&buf, " }\n");
appendStringInfo(&buf, "}\n");
appendStringInfoString(&buf, " >];\n");
appendStringInfoString(&buf, " }\n");
appendStringInfoString(&buf, "}\n");
{
/* dot -Tpng -o /tmp/source.png < /tmp/source.dot */
@ -2056,7 +2056,7 @@ printTrgmNFA(TrgmNFA *trgmNFA)
initStringInfo(&buf);
appendStringInfo(&buf, "\ndigraph transformedNFA {\n");
appendStringInfoString(&buf, "\ndigraph transformedNFA {\n");
hash_seq_init(&scan_status, trgmNFA->states);
while ((state = (TrgmState *) hash_seq_search(&scan_status)) != NULL)
@ -2065,11 +2065,11 @@ printTrgmNFA(TrgmNFA *trgmNFA)
appendStringInfo(&buf, "s%p", (void *) state);
if (state->fin)
appendStringInfo(&buf, " [shape = doublecircle]");
appendStringInfoString(&buf, " [shape = doublecircle]");
if (state->init)
initstate = state;
appendStringInfo(&buf, " [label = \"%d\"]", state->stateKey.nstate);
appendStringInfo(&buf, ";\n");
appendStringInfoString(&buf, ";\n");
foreach(cell, state->arcs)
{
@ -2078,21 +2078,21 @@ printTrgmNFA(TrgmNFA *trgmNFA)
appendStringInfo(&buf, " s%p -> s%p [label = \"",
(void *) state, (void *) arc->target);
printTrgmColor(&buf, arc->ctrgm.colors[0]);
appendStringInfo(&buf, " ");
appendStringInfoChar(&buf, ' ');
printTrgmColor(&buf, arc->ctrgm.colors[1]);
appendStringInfo(&buf, " ");
appendStringInfoChar(&buf, ' ');
printTrgmColor(&buf, arc->ctrgm.colors[2]);
appendStringInfo(&buf, "\"];\n");
appendStringInfoString(&buf, "\"];\n");
}
}
if (initstate)
{
appendStringInfo(&buf, " node [shape = point ]; initial;\n");
appendStringInfoString(&buf, " node [shape = point ]; initial;\n");
appendStringInfo(&buf, " initial -> s%p;\n", (void *) initstate);
}
appendStringInfo(&buf, "}\n");
appendStringInfoString(&buf, "}\n");
{
/* dot -Tpng -o /tmp/transformed.png < /tmp/transformed.dot */
@ -2112,9 +2112,9 @@ static void
printTrgmColor(StringInfo buf, TrgmColor co)
{
if (co == COLOR_UNKNOWN)
appendStringInfo(buf, "u");
appendStringInfoChar(buf, 'u');
else if (co == COLOR_BLANK)
appendStringInfo(buf, "b");
appendStringInfoChar(buf, 'b');
else
appendStringInfo(buf, "%d", (int) co);
}
@ -2131,7 +2131,7 @@ printTrgmPackedGraph(TrgmPackedGraph *packedGraph, TRGM *trigrams)
initStringInfo(&buf);
appendStringInfo(&buf, "\ndigraph packedGraph {\n");
appendStringInfoString(&buf, "\ndigraph packedGraph {\n");
for (i = 0; i < packedGraph->statesCount; i++)
{
@ -2140,7 +2140,7 @@ printTrgmPackedGraph(TrgmPackedGraph *packedGraph, TRGM *trigrams)
appendStringInfo(&buf, " s%d", i);
if (i == 1)
appendStringInfo(&buf, " [shape = doublecircle]");
appendStringInfoString(&buf, " [shape = doublecircle]");
appendStringInfo(&buf, " [label = <s%d>];\n", i);
@ -2153,12 +2153,12 @@ printTrgmPackedGraph(TrgmPackedGraph *packedGraph, TRGM *trigrams)
}
}
appendStringInfo(&buf, " node [shape = point ]; initial;\n");
appendStringInfoString(&buf, " node [shape = point ]; initial;\n");
appendStringInfo(&buf, " initial -> s%d;\n", 0);
/* Print trigrams */
appendStringInfo(&buf, " { rank = sink;\n");
appendStringInfo(&buf, " Trigrams [shape = none, margin=0, label=<\n");
appendStringInfoString(&buf, " { rank = sink;\n");
appendStringInfoString(&buf, " Trigrams [shape = none, margin=0, label=<\n");
p = GETARR(trigrams);
for (i = 0; i < packedGraph->colorTrigramsCount; i++)
@ -2171,7 +2171,7 @@ printTrgmPackedGraph(TrgmPackedGraph *packedGraph, TRGM *trigrams)
for (j = 0; j < count; j++)
{
if (j > 0)
appendStringInfo(&buf, ", ");
appendStringInfoString(&buf, ", ");
/*
* XXX This representation is nice only for all-ASCII trigrams.
@ -2181,9 +2181,9 @@ printTrgmPackedGraph(TrgmPackedGraph *packedGraph, TRGM *trigrams)
}
}
appendStringInfo(&buf, " >];\n");
appendStringInfo(&buf, " }\n");
appendStringInfo(&buf, "}\n");
appendStringInfoString(&buf, " >];\n");
appendStringInfoString(&buf, " }\n");
appendStringInfoString(&buf, "}\n");
{
/* dot -Tpng -o /tmp/packed.png < /tmp/packed.dot */