Improved report format

test/compare_file.c

@@ -22,6 +22,49 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
+#include <time.h>
+
+
+char *Ftypetxt(mode_t st_mode, int flag)
+{
+ if(S_ISDIR(st_mode))
+   return("directory");
+ else if(S_ISREG(st_mode))
+   return("regular_file");
+ else if(S_ISLNK(st_mode))
+   return("symbolic_link");
+ else if(S_ISBLK(st_mode))
+   return("block_device");
+ else if(S_ISCHR(st_mode))
+   return("char_device");
+ else if(S_ISFIFO(st_mode))
+   return("name_pipe");
+ else if(S_ISSOCK(st_mode))
+   return("unix_socket");
+ return("unknown");
+}
+
+
+char *Ftimetxt(time_t t, char timetext[40], int flag)
+{
+ char *rpt;
+ struct tm tms, *tmpt;
+ static char months[12][4]= { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+                              "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
+
+ tmpt= localtime_r(&t, &tms);
+ rpt= timetext;
+ rpt[0]= 0;
+ if(tmpt==0)
+   sprintf(rpt+strlen(rpt), "%12.f", (double) t);
+ else if(time(NULL)-t < 180*86400 && time(NULL)-t >= 0)
+   sprintf(rpt+strlen(rpt), "%3s %2d %2.2d:%2.2d",
+           months[tms.tm_mon], tms.tm_mday, tms.tm_hour, tms.tm_min);
+ else
+   sprintf(rpt+strlen(rpt), "%3s %2d  %4.4d",
+           months[tms.tm_mon], tms.tm_mday, 1900+tms.tm_year);
+ return(timetext);
+}
 
 
 /* @param flag bit0= compare atime
@@ -31,7 +74,7 @@ int Compare_2_files(char *adr1, char *adr2, char *adrc, int flag)
 {
  struct stat s1, s2;
  int ret, differs= 0, r1, r2, fd1= -1, fd2= -1, i, done;
- char buf1[4096], buf2[4096], a[4096];
+ char buf1[4096], buf2[4096], a[4096], ttx1[40], ttx2[40];
  off_t r1count= 0, r2count= 0, diffcount= 0, first_diff= -1;
 
  ret= lstat(adr1, &s1);
@@ -39,22 +82,7 @@ int Compare_2_files(char *adr1, char *adr2, char *adrc, int flag)
    printf("? %s : cannot lstat() : %s\n", adr1, strerror(errno));
    return(0);
  }
- if(S_ISDIR(s1.st_mode))
+ strcpy(a, Ftypetxt(s1.st_mode, 0));
-   strcpy(a, "d");
- else if(S_ISREG(s1.st_mode))
-   strcpy(a, "-");
- else if(S_ISLNK(s1.st_mode))
-   strcpy(a, "l");
- else if(S_ISBLK(s1.st_mode))
-   strcpy(a, "b");
- else if(S_ISCHR(s1.st_mode))
-   strcpy(a, "c");
- else if(S_ISFIFO(s1.st_mode))
-   strcpy(a, "p");
- else if(S_ISSOCK(s1.st_mode))
-   strcpy(a, "s");
- else
-   strcpy(a, "?");
  strcat(a, " ");
  if(adrc[0])
    strcat(a, adrc);
@@ -69,7 +97,11 @@ int Compare_2_files(char *adr1, char *adr2, char *adrc, int flag)
 
  /* Attributes */
  if(s1.st_mode != s2.st_mode) {
+   if((s1.st_mode&~S_IFMT)!=(s2.st_mode&~S_IFMT))
      printf("%s : st_mode  :  %7.7o  <>  %7.7o\n", a, s1.st_mode, s2.st_mode);
+   if((s1.st_mode&S_IFMT)!=(s2.st_mode&S_IFMT))
+     printf("%s : type     :  %s  <>  %s\n",
+            a, Ftypetxt(s1.st_mode, 0), Ftypetxt(s2.st_mode, 0));
    differs= 1;
  }
  if(s1.st_uid != s2.st_uid) {
@@ -90,26 +122,33 @@ int Compare_2_files(char *adr1, char *adr2, char *adrc, int flag)
    }
  }
  if(S_ISREG(s2.st_mode) && s1.st_size != s2.st_size) {
-   printf("%s : st_size :  %.f  <>  %.f\n",
+   printf("%s : st_size  :  %.f  <>  %.f      diff= %.f\n",
-          a, (double) s1.st_size, (double) s2.st_size);
+          a, (double) s1.st_size, (double) s2.st_size,
+             ((double) s1.st_size) - (double) s2.st_size);
    differs= 1;
  }
  if(s1.st_mtime != s2.st_mtime) {
-   printf("%s : st_mtime :  %u  <>  %u\n",
+   printf("%s : st_mtime :  %s  <>  %s      diff= %.f s\n",
-          a, (unsigned int) s1.st_mtime, (unsigned int) s2.st_mtime);
+          a, Ftimetxt(s1.st_mtime, ttx1, 0),
+             Ftimetxt(s2.st_mtime, ttx2, 0),
+             ((double) s1.st_mtime) - (double) s2.st_mtime);
    differs= 1;
  }
  if(flag&1) {
    if(s1.st_atime != s2.st_atime) {
-     printf("%s : st_atime :  %u  <>  %u\n",
+     printf("%s : st_atime :  %s  <>  %s      diff= %.f s\n",
-            a, (unsigned int) s1.st_atime, (unsigned int) s2.st_atime);
+            a, Ftimetxt(s1.st_atime, ttx1, 0),
+               Ftimetxt(s2.st_atime, ttx2, 0),
+               ((double) s1.st_atime) - (double) s2.st_atime);
      differs= 1;
    }
  }
  if(flag&2) {
    if(s1.st_ctime != s2.st_ctime) {
-     printf("%s : st_ctime :  %u  <>  %u\n",
+     printf("%s : st_ctime :  %s  <>  %s      diff= %.f s\n",
-            a, (unsigned int) s1.st_ctime, (unsigned int) s2.st_ctime);
+            a, Ftimetxt(s1.st_ctime, ttx1, 0),
+               Ftimetxt(s2.st_ctime, ttx2, 0),
+               ((double) s1.st_ctime) - (double) s2.st_ctime);
      differs= 1;
    }
  }