63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
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#include <u.h>
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#include <libc.h>
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#include <ctype.h>
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/*
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* make an address, add the defaults
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*/
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char *
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netmkaddr(char *linear, char *defnet, char *defsrv)
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{
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static char addr[256];
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char *cp;
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/*
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* dump network name
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*/
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cp = strchr(linear, '!');
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if(cp == 0){
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if(defnet == 0)
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defnet = "net";
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/* allow unix sockets to omit unix! prefix */
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if(access(linear, 0) >= 0){
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snprint(addr, sizeof(addr), "unix!%s", linear);
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return addr;
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}
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/* allow host:service in deference to Unix convention */
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if((cp = strchr(linear, ':')) != nil){
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snprint(addr, sizeof(addr), "%s!%.*s!%s",
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defnet, utfnlen(linear, cp-linear),
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linear, cp+1);
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return addr;
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}
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if(defsrv)
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snprint(addr, sizeof(addr), "%s!%s!%s",
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defnet, linear, defsrv);
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else
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snprint(addr, sizeof(addr), "%s!%s", defnet, linear);
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return addr;
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}
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/*
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* if there is already a service, use it
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*/
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cp = strchr(cp+1, '!');
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if(cp)
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return linear;
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/*
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* if the network is unix, no service
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*/
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if(strncmp(linear, "unix!", 5) == 0)
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return linear;
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/*
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* add default service
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*/
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if(defsrv == 0)
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return linear;
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snprint(addr, sizeof(addr), "%s!%s", linear, defsrv);
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return addr;
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}
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