4.3BSD - /usr/src/new/mh/uip/annosbr.c

   1: /* annosbr.c - prepend annotation to messages */
   2: 
   3: #include "../h/mh.h"
   4: #include "../zotnet/tws.h"
   5: #include <errno.h>
   6: #include <stdio.h>
   7: #include <sys/types.h>
   8: #include <sys/stat.h>
   9: 
  10: 
  11: extern int  errno;
  12: 
  13: long lseek ();
  14: 
  15: /*  */
  16: 
  17: annotate (file, comp, text, inplace)
  18: register char   *file,
  19:         *comp,
  20:         *text;
  21: int     inplace;
  22: {
  23:     int     i,
  24:             fd;
  25: 
  26:     if ((fd = lkopen (file, 2)) == NOTOK) {
  27:     switch (errno) {
  28:         case ENOENT:
  29:         break;
  30: 
  31:         default:
  32:         admonish (file, "unable to lock and open");
  33:         break;
  34:     }
  35:     return 1;
  36:     }
  37: 
  38:     i = annosbr (fd, file, comp, text, inplace);
  39: 
  40:     (void) lkclose (fd, file);
  41: 
  42:     return i;
  43: }
  44: 
  45: /*  */
  46: 
  47: static  annosbr (src, file, comp, text, inplace)
  48: register char  *file,
  49:            *comp,
  50:            *text;
  51: int     src,
  52:     inplace;
  53: {
  54:     int     mode,
  55:             fd;
  56:     register char  *cp,
  57:                    *sp;
  58:     char    buffer[BUFSIZ],
  59:             tmpfil[BUFSIZ];
  60:     struct stat st;
  61:     register    FILE *tmp;
  62: 
  63:     mode = fstat (src, &st) != NOTOK ? (st.st_mode & 0777) : m_gmprot ();
  64: 
  65:     (void) strcpy (tmpfil, m_scratch (file, "annotate"));
  66: 
  67:     if ((tmp = fopen (tmpfil, "w")) == NULL) {
  68:     admonish (tmpfil, "unable to create");
  69:     return 1;
  70:     }
  71:     (void) chmod (tmpfil, mode);
  72: 
  73:     fprintf (tmp, "%s: %s\n", comp, dtimenow ());
  74:     if (cp = text) {
  75:     do {
  76:         while (*cp == ' ' || *cp == '\t')
  77:         cp++;
  78:         sp = cp;
  79:         while (*cp && *cp++ != '\n')
  80:         continue;
  81:         if (cp - sp)
  82:         fprintf (tmp, "%s: %*.*s", comp, cp - sp, cp - sp, sp);
  83:     } while (*cp);
  84:     if (cp[-1] != '\n' && cp != text)
  85:         (void) putc ('\n', tmp);
  86:     }
  87:     (void) fflush (tmp);
  88:     cpydata (src, fileno (tmp), file, tmpfil);
  89:     (void) fclose (tmp);
  90: 
  91:     if (inplace) {
  92:     if ((fd = open (tmpfil, 0)) == NOTOK)
  93:         adios (tmpfil, "unable to open for re-reading");
  94:     (void) lseek (src, 0L, 0);
  95:     cpydata (fd, src, tmpfil, file);
  96:     (void) close (fd);
  97:     (void) unlink (tmpfil);
  98:     }
  99:     else {
 100:     (void) strcpy (buffer, m_backup (file));
 101:     if (rename (file, buffer) == NOTOK) {
 102:         admonish (buffer, "unable to rename %s to", file);
 103:         return 1;
 104:     }
 105:     if (rename (tmpfil, file) == NOTOK) {
 106:         admonish (file, "unable to rename %s to", tmpfil);
 107:         return 1;
 108:     }
 109:     }
 110: 
 111:     return 0;
 112: }

Defined functions