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cabinet: Simplify concatenation of path and filename.

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Christian Costa 2012-11-27 09:14:30 +01:00 committed by Alexandre Julliard
parent 8b6f917518
commit 94bfd24f67
1 changed files with 19 additions and 20 deletions
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39
dlls/cabinet/fdi.c
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@ -2041,7 +2041,7 @@ static int fdi_decomp(const struct fdi_file *fi, int savemode, fdi_decomp_state
/* outlen=0 means this block was the last contiguous part
of a split block, continued in the next cabinet */
if (outlen == 0) {
int pathlen, filenamelen, idx, i;
int pathlen, filenamelen, i;
INT_PTR cabhf;
char fullpath[MAX_PATH], userpath[256];
FDINOTIFICATION fdin;
@ -2060,23 +2060,21 @@ static int fdi_decomp(const struct fdi_file *fi, int savemode, fdi_decomp_state
if (!((cab->next = CAB(fdi)->alloc(sizeof(fdi_decomp_state)))))
return DECR_NOMEMORY;
ZeroMemory(cab->next, sizeof(fdi_decomp_state));
/* copy pszCabPath to userpath */
ZeroMemory(userpath, 256);
pathlen = (pszCabPath) ? strlen(pszCabPath) : 0;
pathlen = pszCabPath ? strlen(pszCabPath) : 0;
if (pathlen) {
if (pathlen < 256) {
for (i = 0; i <= pathlen; i++)
userpath[i] = pszCabPath[i];
} /* else we are in a weird place... let's leave it blank and see if the user fixes it */
}
if (pathlen < 256) /* else we are in a weird place... let's leave it blank and see if the user fixes it */
strcpy(userpath, pszCabPath);
}
/* initial fdintNEXT_CABINET notification */
ZeroMemory(&fdin, sizeof(FDINOTIFICATION));
fdin.psz1 = (cab->mii.nextname) ? cab->mii.nextname : &emptystring;
fdin.psz2 = (cab->mii.nextinfo) ? cab->mii.nextinfo : &emptystring;
fdin.psz1 = cab->mii.nextname ? cab->mii.nextname : &emptystring;
fdin.psz2 = cab->mii.nextinfo ? cab->mii.nextinfo : &emptystring;
fdin.psz3 = userpath;
fdin.fdie = FDIERROR_NONE;
fdin.pv = pvUser;
@ -2086,7 +2084,7 @@ static int fdi_decomp(const struct fdi_file *fi, int savemode, fdi_decomp_state
do {
pathlen = strlen(userpath);
filenamelen = (cab->mii.nextname) ? strlen(cab->mii.nextname) : 0;
filenamelen = cab->mii.nextname ? strlen(cab->mii.nextname) : 0;
/* slight overestimation here to save CPU cycles in the developer's brain */
if ((pathlen + filenamelen + 3) > MAX_PATH) {
@ -2095,16 +2093,17 @@ static int fdi_decomp(const struct fdi_file *fi, int savemode, fdi_decomp_state
}
/* paste the path and filename together */
idx = 0;
fullpath[0] = '\0';
if (pathlen) {
for (i = 0; i < pathlen; i++) fullpath[idx++] = userpath[i];
if (fullpath[idx - 1] != '\\') fullpath[idx++] = '\\';
strcpy(fullpath, userpath);
if (fullpath[pathlen - 1] != '\\')
strcat(fullpath, "\\");
}
if (filenamelen) for (i = 0; i < filenamelen; i++) fullpath[idx++] = cab->mii.nextname[i];
fullpath[idx] = '\0';
if (filenamelen)
strcat(fullpath, cab->mii.nextname);
TRACE("full cab path/file name: %s\n", debugstr_a(fullpath));
/* try to get a handle to the cabfile */
cabhf = CAB(fdi)->open(fullpath, _O_RDONLY|_O_BINARY, _S_IREAD | _S_IWRITE);
if (cabhf == -1) {
@ -2113,14 +2112,14 @@ static int fdi_decomp(const struct fdi_file *fi, int savemode, fdi_decomp_state
if (((*pfnfdin)(fdintNEXT_CABINET, &fdin))) return DECR_USERABORT;
continue;
}
if (cabhf == 0) {
ERR("PFDI_OPEN returned zero for %s.\n", fullpath);
fdin.fdie = FDIERROR_CABINET_NOT_FOUND;
if (((*pfnfdin)(fdintNEXT_CABINET, &fdin))) return DECR_USERABORT;
continue;
}
/* check if it's really a cabfile. Note that this doesn't implement the bug */
if (!FDI_read_entries(CAB(fdi), cabhf, &fdici, &(cab->next->mii))) {
WARN("FDIIsCabinet failed.\n");