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Use cached results of commands.

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This commit is contained in:
Dianne Skoll
2021-09-04 23:25:37 -04:00
parent bd6f4e1b43
commit c65fd826a5
1 changed files with 35 additions and 5 deletions
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40
src/files.c
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@@ -571,7 +571,6 @@ int DoIncludeCmd(ParsePtr p)
DBufFree(&buf);
return E_NO_MEM;
}
}
done = 1;
if (DBufPuts(&buf, DBufValue(&token)) != OK) {
@@ -581,7 +580,7 @@ int DoIncludeCmd(ParsePtr p)
DBufFree(&token);
DBufInit(&token);
}
if ( (r=IncludeCmd(DBufValue(&buf))) ) {
DBufFree(&buf);
return r;
@@ -727,7 +726,10 @@ static int IncludeCmd(char const *cmd)
char line_no[64];
FILE *fp2;
int r;
CachedFile *h;
char const *fname;
int old_flag;
FreshLine = 1;
if (IStackPtr+1 >= INCLUDE_NEST) return E_NESTED_INCLUDE;
i = &IStack[IStackPtr];
@@ -746,7 +748,31 @@ static int IncludeCmd(char const *cmd)
DBufFree(&buf);
return E_NO_MEM;
}
fname = DBufValue(&buf);
/* If the file is cached, use it */
h = CachedFiles;
while(h) {
if (!strcmp(fname, h->filename)) {
if (DebugFlag & DB_TRACE_FILES) {
fprintf(ErrFp, "Reading command `%s': Found in cache\n", fname);
}
CLine = h->cache;
STRSET(FileName, fname);
LineNo = 0;
if (!h->ownedByMe) {
RunDisabled |= RUN_NOTOWNER;
}
if (FileName) return OK; else return E_NO_MEM;
}
h = h->next;
}
if (DebugFlag & DB_TRACE_FILES) {
fprintf(ErrFp, "Executing `%s' for INCLUDECMD and caching as `%s'\n",
cmd, fname);
}
/* Not found in cache */
fp2 = popen(cmd, "r");
if (!fp2) {
DBufFree(&buf);
@@ -779,12 +805,16 @@ static int IncludeCmd(char const *cmd)
fp = fp2;
IStackPtr++;
LineNo = 0;
r = CacheFile(DBufValue(&buf));
/* Temporarily turn of file tracing */
old_flag = DebugFlag;
DebugFlag &= (~DB_TRACE_FILES);
r = CacheFile(fname);
DebugFlag = old_flag;
if (r == OK) {
fp = NULL;
CLine = CachedFiles->cache;
LineNo = 0;
STRSET(FileName, DBufValue(&buf));
STRSET(FileName, fname);
DBufFree(&buf);
return OK;
}