X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/200b89a2c66c58c41a27883f021850445698b337..4843efc642ddcfe524bb6ba37b01154e57489ff7:/getcgi.c?ds=sidebyside diff --git a/getcgi.c b/getcgi.c index 26c3c50..ac37cff 100644 --- a/getcgi.c +++ b/getcgi.c @@ -5,6 +5,8 @@ * * The x2c() and unescape_url() routines were lifted directly * from NCSA's sample program util.c, packaged with their HTTPD. + * + * $Id: getcgi.c,v 1.5 2003/06/04 20:57:07 noodles Exp $ */ #include @@ -66,7 +68,7 @@ char *txt2html(const char *string) */ void start_html(const char *title) { - puts("Content-Type: text/html; charset=utf8\n"); + puts("Content-Type: text/html; charset=UTF-8\n"); puts(""); puts(""); puts(""); @@ -128,25 +130,26 @@ char **getcgivars(int argc, char *argv[]) int i; char *request_method; int content_length, paircount; - char *cgiinput; - char **cgivars; - char **pairlist; + char *cgiinput = NULL; + char **cgivars = NULL; + char **pairlist = NULL; char *nvpair,*eqpos; /* Depending on the request method, read all CGI input into cgiinput */ /* (really should produce HTML error messages, instead of exit()ing) */ - request_method=getenv("REQUEST_METHOD"); + request_method = getenv("REQUEST_METHOD"); if (request_method == NULL) { if (argc > 1) { - cgiinput = argv[1]; + cgiinput = strdup(argv[1]); } else { return NULL; } } else if (strlen(request_method)==0) { return NULL; - } else if (!strcmp(request_method, "GET") || !strcmp(request_method, "HEAD")) { + } else if (!strcmp(request_method, "GET") || + !strcmp(request_method, "HEAD")) { cgiinput=strdup(getenv("QUERY_STRING")); } else if (!strcmp(request_method, "POST")) { if (getenv("CONTENT_TYPE") != NULL && @@ -157,12 +160,14 @@ char **getcgivars(int argc, char *argv[]) } if (!(content_length = atoi(getenv("CONTENT_LENGTH")))) { - printf("getcgivars(): No Content-Length was sent with the POST request.\n"); + printf("getcgivars(): No Content-Length was sent with" + " the POST request.\n"); exit(1); } if (!(cgiinput= (char *) malloc(content_length+1))) { - printf("getcgivars(): Could not malloc for cgiinput.\n"); + printf("getcgivars(): Could not malloc for " + "cgiinput.\n"); exit(1); } @@ -188,7 +193,10 @@ char **getcgivars(int argc, char *argv[]) nvpair=strtok(cgiinput, "&"); while (nvpair) { pairlist[paircount++]= strdup(nvpair) ; - if (!(paircount%256)) pairlist=(char **) realloc(pairlist,(paircount+256)*sizeof(char **)); + if (!(paircount%256)) { + pairlist=(char **) realloc(pairlist, + (paircount+256)*sizeof(char **)); + } nvpair=strtok(NULL, "&") ; } @@ -218,3 +226,27 @@ char **getcgivars(int argc, char *argv[]) /* Return the list of name-value strings */ return cgivars; } + + +/** + * cleanupcgi - free the memory allocated for our CGI parameters. + * @cgivars: The CGI parameter list to free. + * + * Frees up the elements of the CGI parameter array and then frees the + * array. + */ +void cleanupcgi(char **cgivars) +{ + int i; + + if (cgivars != NULL) { + for (i = 0; cgivars[i] != NULL; i++) { + free(cgivars[i]); + cgivars[i] = NULL; + } + free(cgivars); + cgivars = NULL; + } + + return; +}