all repos — acme @ 5540d37849de2cd41ee069643a4a4d83a222bfc8

fork of the acme editor from plan9port - keybinds, tweaks, config.h, etc

mail/util.c (raw)

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#include <u.h>
#include <libc.h>
#include <bio.h>
#include <thread.h>
#include <plumb.h>
#include <9pclient.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);
  setmalloctag(p, getcallerpc(&n));
  return p;
}

void* erealloc(void* p, uint n) {
  p = realloc(p, n);
  if (p == nil)
    error("can't realloc: %r");
  setmalloctag(p, getcallerpc(&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);
  strcpy(u, s);
  strcat(u, 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);
    strcpy(u, s);
    strcat(u, sep);
    strcat(u, 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, "Mail: ");
  va_start(arg, fmt);
  fmtvprint(&f, fmt, arg);
  va_end(arg);
  fmtprint(&f, "\n");
  fmtfdflush(&f);
  threadexitsall(fmt);
}

void ctlprint(CFid* fd, char* fmt, ...) {
  int n;
  va_list arg;

  va_start(arg, fmt);
  n = fsvprint(fd, fmt, arg);
  va_end(arg);
  if (n <= 0)
    error("control file write error: %r");
}