ref: 5bf09937da68b5b55e33cc24ea021ed08b2ae6e0
dir: /acme/bin/source/win/util.c/
#include <u.h> #include <libc.h> #include <bio.h> #include <thread.h> #include "dat.h" void* emalloc(uint n) { void *p; p = malloc(n); if(p == nil) error("can't malloc: %r"); memset(p, 0, n); return p; } char* estrdup(char *s) { char *t; t = emalloc(strlen(s)+1); strcpy(t, s); return t; } char* estrstrdup(char *s, char *t) { char *u; u = emalloc(strlen(s)+strlen(t)+1); sprint(u, "%s%s", s, t); return u; } char* eappend(char *s, char *sep, char *t) { char *u; if(t == nil) u = estrstrdup(s, sep); else{ u = emalloc(strlen(s)+strlen(sep)+strlen(t)+1); sprint(u, "%s%s%s", s, sep, t); } free(s); return u; } char* egrow(char *s, char *sep, char *t) { s = eappend(s, sep, t); free(t); return s; } void error(char *fmt, ...) { Fmt f; char buf[64]; va_list arg; fmtfdinit(&f, 2, buf, sizeof buf); fmtprint(&f, "win: "); va_start(arg, fmt); fmtvprint(&f, fmt, arg); va_end(arg); fmtprint(&f, "\n"); fmtfdflush(&f); threadexitsall(buf); } void ctlprint(int fd, char *fmt, ...) { int n; va_list arg; va_start(arg, fmt); n = vfprint(fd, fmt, arg); va_end(arg); if(n <= 0) error("control file write error: %r"); }