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Date:: Fri Jan 10 14:54:30 2020 UTC
Message:: Trivial changes: whitespace and modes. Remote whitespace at the ends of lines. Remove blank lines from the ends of files. Change modes on source files so that they are not executable. Signed-off-by: Dan Cross <cross@gajendra.net>
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  1 18824b58 2008-08-03 rsc #include "a.h"
  2 18824b58 2008-08-03 rsc 
  3 18824b58 2008-08-03 rsc typedef struct DEntry DEntry;
  4 18824b58 2008-08-03 rsc struct DEntry
  5 18824b58 2008-08-03 rsc {
  6 18824b58 2008-08-03 rsc 	CEntry ce;
  7 18824b58 2008-08-03 rsc 	HTTPHeader hdr;
  8 18824b58 2008-08-03 rsc 	char *tmpfile;
  9 18824b58 2008-08-03 rsc 	int fd;
 10 18824b58 2008-08-03 rsc };
 11 18824b58 2008-08-03 rsc 
 12 18824b58 2008-08-03 rsc static void
 13 18824b58 2008-08-03 rsc dfree(CEntry *ce)
 14 18824b58 2008-08-03 rsc {
 15 18824b58 2008-08-03 rsc 	DEntry *d;
 16 fa325e9b 2020-01-10 cross 
 17 18824b58 2008-08-03 rsc 	d = (DEntry*)ce;
 18 18824b58 2008-08-03 rsc 	if(d->tmpfile){
 19 18824b58 2008-08-03 rsc 		remove(d->tmpfile);
 20 18824b58 2008-08-03 rsc 		free(d->tmpfile);
 21 18824b58 2008-08-03 rsc 		close(d->fd);
 22 18824b58 2008-08-03 rsc 	}
 23 18824b58 2008-08-03 rsc }
 24 18824b58 2008-08-03 rsc 
 25 18824b58 2008-08-03 rsc static Cache *downloadcache;
 26 18824b58 2008-08-03 rsc 
 27 18824b58 2008-08-03 rsc static char*
 28 18824b58 2008-08-03 rsc parseurl(char *url, char **path)
 29 18824b58 2008-08-03 rsc {
 30 18824b58 2008-08-03 rsc 	char *host, *p;
 31 18824b58 2008-08-03 rsc 	int len;
 32 18824b58 2008-08-03 rsc 
 33 18824b58 2008-08-03 rsc 	if(memcmp(url, "http://", 7) != 0)
 34 18824b58 2008-08-03 rsc 		return nil;
 35 18824b58 2008-08-03 rsc 	p = strchr(url+7, '/');
 36 18824b58 2008-08-03 rsc 	if(p == nil)
 37 18824b58 2008-08-03 rsc 		p = url+strlen(url);
 38 18824b58 2008-08-03 rsc 	len = p - (url+7);
 39 18824b58 2008-08-03 rsc 	host = emalloc(len+1);
 40 18824b58 2008-08-03 rsc 	memmove(host, url+7, len);
 41 18824b58 2008-08-03 rsc 	host[len] = 0;
 42 18824b58 2008-08-03 rsc 	if(*p == 0)
 43 18824b58 2008-08-03 rsc 		p = "/";
 44 18824b58 2008-08-03 rsc 	*path = p;
 45 18824b58 2008-08-03 rsc 	return host;
 46 18824b58 2008-08-03 rsc }
 47 18824b58 2008-08-03 rsc 
 48 18824b58 2008-08-03 rsc int
 49 18824b58 2008-08-03 rsc download(char *url, HTTPHeader *hdr)
 50 18824b58 2008-08-03 rsc {
 51 18824b58 2008-08-03 rsc 	DEntry *d;
 52 18824b58 2008-08-03 rsc 	char *host, *path;
 53 18824b58 2008-08-03 rsc 	char buf[] = "/var/tmp/smugfs.XXXXXX";
 54 18824b58 2008-08-03 rsc 	char *req;
 55 18824b58 2008-08-03 rsc 	int fd;
 56 18824b58 2008-08-03 rsc 	Fmt fmt;
 57 18824b58 2008-08-03 rsc 
 58 18824b58 2008-08-03 rsc 	if(downloadcache == nil)
 59 18824b58 2008-08-03 rsc 		downloadcache = newcache(sizeof(DEntry), 128, dfree);
 60 18824b58 2008-08-03 rsc 
 61 18824b58 2008-08-03 rsc 	host = parseurl(url, &path);
 62 18824b58 2008-08-03 rsc 	if(host == nil)
 63 18824b58 2008-08-03 rsc 		return -1;
 64 fa325e9b 2020-01-10 cross 
 65 18824b58 2008-08-03 rsc 	d = (DEntry*)cachelookup(downloadcache, url, 1);
 66 18824b58 2008-08-03 rsc 	if(d->tmpfile){
 67 18824b58 2008-08-03 rsc 		free(host);
 68 18824b58 2008-08-03 rsc 		*hdr = d->hdr;
 69 18824b58 2008-08-03 rsc 		return dup(d->fd, -1);
 70 18824b58 2008-08-03 rsc 	}
 71 18824b58 2008-08-03 rsc 	d->fd = -1;  // paranoia
 72 18824b58 2008-08-03 rsc 
 73 18824b58 2008-08-03 rsc 	if((fd = opentemp(buf, ORDWR|ORCLOSE)) < 0){
 74 18824b58 2008-08-03 rsc 		free(host);
 75 18824b58 2008-08-03 rsc 		return -1;
 76 18824b58 2008-08-03 rsc 	}
 77 18824b58 2008-08-03 rsc 
 78 18824b58 2008-08-03 rsc 	fmtstrinit(&fmt);
 79 18824b58 2008-08-03 rsc 	fmtprint(&fmt, "GET %s HTTP/1.0\r\n", path);
 80 18824b58 2008-08-03 rsc 	fmtprint(&fmt, "Host: %s\r\n", host);
 81 18824b58 2008-08-03 rsc 	fmtprint(&fmt, "User-Agent: " USER_AGENT "\r\n");
 82 18824b58 2008-08-03 rsc 	fmtprint(&fmt, "\r\n");
 83 18824b58 2008-08-03 rsc 	req = fmtstrflush(&fmt);
 84 fa325e9b 2020-01-10 cross 
 85 18824b58 2008-08-03 rsc 	fprint(2, "Get %s\n", url);
 86 18824b58 2008-08-03 rsc 
 87 18824b58 2008-08-03 rsc 	if(httptofile(&http, host, req, hdr, fd) < 0){
 88 18824b58 2008-08-03 rsc 		free(host);
 89 18824b58 2008-08-03 rsc 		free(req);
 90 18824b58 2008-08-03 rsc 		return -1;
 91 18824b58 2008-08-03 rsc 	}
 92 18824b58 2008-08-03 rsc 	free(host);
 93 18824b58 2008-08-03 rsc 	free(req);
 94 18824b58 2008-08-03 rsc 	d->tmpfile = estrdup(buf);
 95 18824b58 2008-08-03 rsc 	d->fd = dup(fd, -1);
 96 18824b58 2008-08-03 rsc 	d->hdr = *hdr;
 97 18824b58 2008-08-03 rsc 	return fd;
 98 18824b58 2008-08-03 rsc }
 99 18824b58 2008-08-03 rsc 
100 18824b58 2008-08-03 rsc void
101 18824b58 2008-08-03 rsc downloadflush(char *substr)
102 18824b58 2008-08-03 rsc {
103 18824b58 2008-08-03 rsc 	if(downloadcache)
104 18824b58 2008-08-03 rsc 		cacheflush(downloadcache, substr);
105 18824b58 2008-08-03 rsc }