ref: 733c5d6645b133b60d304c38fcb1398f94d0618c
dir: /sys/src/cmd/mothra/libpanel/snarf.c/
#include <u.h> #include <libc.h> #include <draw.h> #include <event.h> #include <panel.h> #include "pldefs.h" void plputsnarf(char *s){ int fd; if(s==0 || *s=='\0') return; if((fd=open("/dev/snarf", OWRITE|OTRUNC))>=0){ write(fd, s, strlen(s)); close(fd); } } char *plgetsnarf(void){ int fd, n, r; char *s; if((fd=open("/dev/snarf", OREAD))<0) return nil; n=0; s=nil; for(;;){ s=pl_erealloc(s, n+1024); if((r = read(fd, s+n, 1024)) <= 0) break; n += r; } close(fd); if(n <= 0){ free(s); return nil; } s[n] = '\0'; return s; } void plsnarf(Panel *p){ char *s; if(p==0 || p->snarf==0) return; s=p->snarf(p); plputsnarf(s); free(s); } void plpaste(Panel *p){ char *s; if(p==0 || p->paste==0) return; if(s=plgetsnarf()){ p->paste(p, s); free(s); } }