From 95456b8e78d3dcee0c1d79760bcb2dfcb0d7db09 Mon Sep 17 00:00:00 2001 From: Dan Fandrich Date: Wed, 8 Oct 2008 01:17:51 +0000 Subject: [PATCH] Added const to some pointer variables --- lib/escape.c | 6 ++++++ lib/ftp.c | 37 ++++++++++++++++++------------------- lib/http.c | 6 +++--- tests/data/test226 | 2 +- 4 files changed, 28 insertions(+), 23 deletions(-) diff --git a/lib/escape.c b/lib/escape.c index 24134c8e84..6265818196 100644 --- a/lib/escape.c +++ b/lib/escape.c @@ -138,6 +138,12 @@ char *curl_easy_escape(CURL *handle, const char *string, int inlength) return ns; } +/* + * Unescapes the given URL escaped string of given length. Returns a + * pointer to a malloced string with length given in *olen. + * If length == 0, the length is assumed to be strlen(string). + * If olen == NULL, no output length is stored. + */ char *curl_easy_unescape(CURL *handle, const char *string, int length, int *olen) { diff --git a/lib/ftp.c b/lib/ftp.c index e495a2cef4..8409fdc15d 100644 --- a/lib/ftp.c +++ b/lib/ftp.c @@ -3150,7 +3150,7 @@ static CURLcode ftp_done(struct connectdata *conn, CURLcode status, CURLcode result=CURLE_OK; bool was_ctl_valid = ftpc->ctl_valid; char *path; - char *path_to_use = data->state.path; + const char *path_to_use = data->state.path; if(!ftp) /* When the easy handle is removed from the multi while libcurl is still @@ -3860,10 +3860,10 @@ CURLcode ftp_parse_url_path(struct connectdata *conn) /* the ftp struct is already inited in ftp_connect() */ struct FTP *ftp = data->state.proto.ftp; struct ftp_conn *ftpc = &conn->proto.ftpc; - size_t dlen; - char *slash_pos; /* position of the first '/' char in curpos */ - char *path_to_use = data->state.path; - char *cur_pos; + const char *slash_pos; /* position of the first '/' char in curpos */ + const char *path_to_use = data->state.path; + const char *cur_pos; + const char *filename = NULL; cur_pos = path_to_use; /* current position in path. point at the begin of next path component */ @@ -3885,13 +3885,11 @@ CURLcode ftp_parse_url_path(struct connectdata *conn) if(data->state.path && data->state.path[0] && (data->state.path[strlen(data->state.path) - 1] != '/') ) - ftpc->file = data->state.path; /* this is a full file path */ - else - ftpc->file = NULL; + filename = data->state.path; /* this is a full file path */ /* ftpc->file is not used anywhere other than for operations on a file. In other words, never for directory operations. - So we can safely set it to NULL here and use it as a + So we can safely leave filename as NULL here and use it as a argument in dir/file decisions. */ break; @@ -3901,7 +3899,6 @@ CURLcode ftp_parse_url_path(struct connectdata *conn) if(!path_to_use[0]) { /* no dir, no file */ ftpc->dirdepth = 0; - ftpc->file = NULL; break; } slash_pos=strrchr(cur_pos, '/'); @@ -3918,10 +3915,10 @@ CURLcode ftp_parse_url_path(struct connectdata *conn) return CURLE_OUT_OF_MEMORY; } ftpc->dirdepth = 1; /* we consider it to be a single dir */ - ftpc->file = slash_pos ? slash_pos+1 : cur_pos; /* rest is file name */ + filename = slash_pos ? slash_pos+1 : cur_pos; /* rest is file name */ } else - ftpc->file = cur_pos; /* this is a file name only */ + filename = cur_pos; /* this is a file name only */ break; default: /* allow pretty much anything */ @@ -3983,11 +3980,12 @@ CURLcode ftp_parse_url_path(struct connectdata *conn) } } } - ftpc->file = cur_pos; /* the rest is the file name */ - } + filename = cur_pos; /* the rest is the file name */ + break; + } /* switch */ - if(ftpc->file && *ftpc->file) { - ftpc->file = curl_easy_unescape(conn->data, ftpc->file, 0, NULL); + if(filename && *filename) { + ftpc->file = curl_easy_unescape(conn->data, filename, 0, NULL); if(NULL == ftpc->file) { freedirs(ftpc); failf(data, "no memory"); @@ -4013,14 +4011,15 @@ CURLcode ftp_parse_url_path(struct connectdata *conn) if(ftpc->prevpath) { /* prevpath is "raw" so we convert the input path before we compare the strings */ - char *path = curl_easy_unescape(conn->data, data->state.path, 0, NULL); + int dlen; + char *path = curl_easy_unescape(conn->data, data->state.path, 0, &dlen); if(!path) { freedirs(ftpc); return CURLE_OUT_OF_MEMORY; } - dlen = strlen(path) - (ftpc->file?strlen(ftpc->file):0); - if((dlen == strlen(ftpc->prevpath)) && + dlen -= ftpc->file?strlen(ftpc->file):0; + if((dlen == (int)strlen(ftpc->prevpath)) && curl_strnequal(path, ftpc->prevpath, dlen)) { infof(data, "Request has same path as previous transfer\n"); ftpc->cwddone = TRUE; diff --git a/lib/http.c b/lib/http.c index c52b1038fb..9535c7633d 100644 --- a/lib/http.c +++ b/lib/http.c @@ -2046,11 +2046,11 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) char *buf = data->state.buffer; /* this is a short cut to the buffer */ CURLcode result=CURLE_OK; struct HTTP *http; - char *ppath = data->state.path; + const char *ppath = data->state.path; char ftp_typecode[sizeof(";type=?")] = ""; - char *host = conn->host.name; + const char *host = conn->host.name; const char *te = ""; /* transfer-encoding */ - char *ptr; + const char *ptr; const char *request; Curl_HttpReq httpreq = data->set.httpreq; char *addcookies = NULL; diff --git a/tests/data/test226 b/tests/data/test226 index 727e1534ca..9fc4bda3d9 100644 --- a/tests/data/test226 +++ b/tests/data/test226 @@ -3,9 +3,9 @@ FTP FAILURE -compressed + # Client-side