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add strdup for debugging.

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rsc 2004-06-09 14:15:47 +00:00
parent ca9b36624f
commit f437e56d1d
2 changed files with 18 additions and 0 deletions
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1
src/lib9/mkfile
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@ -137,6 +137,7 @@ LIB9OFILES=\
seek.$O\
sendfd.$O\
sleep.$O\
strdup.$O\
strecpy.$O\
sysfatal.$O\
sysname.$O\

17
src/lib9/strdup.c Normal file
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@ -0,0 +1,17 @@
#include <u.h>
#include <libc.h>
char*
strdup(char *s)
{
char *t;
int l;
l = strlen(s);
t = malloc(l+1);
if(t == nil)
return nil;
memmove(t, s, l+1);
return t;
}