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This commit is contained in:
Thomas Schmitt 2008-01-22 11:48:28 +00:00
parent d29f6913c2
commit 111c881730
1 changed files with 39 additions and 18 deletions
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57
test/compare_file.c
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@ -26,42 +26,63 @@
/* @param flag bit0= compare atime
bit1= compare ctime
*/
int Compare_2_files(char *adr1, char *adr2, char *adrc,int flag)
int Compare_2_files(char *adr1, char *adr2, char *adrc, int flag)
{
struct stat s1, s2;
int ret, differs= 0, r1, r2, fd1, fd2, i;
char buf1[4096], buf2[4096];
char buf1[4096], buf2[4096], a[4096];
off_t r1count= 0, r2count= 0, diffcount= 0, first_diff= -1;
ret= lstat(adr1, &s1);
if(ret==-1) {
printf("%s : cannot lstat() : %s\n", adr1, strerror(errno));
printf("? %s : cannot lstat() : %s\n", adr1, strerror(errno));
return(0);
}
if(S_ISDIR(s1.st_mode))
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);
else
strcat(a, ".");
ret= lstat(adr2, &s2);
if(ret==-1) {
printf("%s : cannot lstat() : %s\n", adr2, strerror(errno));
printf("? %s : cannot lstat() : %s\n", adr2, strerror(errno));
return(0);
}
/* Attributes */
if(s1.st_mode != s2.st_mode) {
printf("%s : st_mode : %7.7o <> %7.7o\n", adrc, s1.st_mode, s2.st_mode);
printf("%s : st_mode : %7.7o <> %7.7o\n", a, s1.st_mode, s2.st_mode);
differs= 1;
}
if(s1.st_uid != s2.st_uid) {
printf("%s : st_uid : %d <> %d\n", adrc, s1.st_uid, s2.st_uid);
printf("%s : st_uid : %d <> %d\n", a, s1.st_uid, s2.st_uid);
differs= 1;
}
if(s1.st_gid != s2.st_gid) {
printf("%s : st_gid : %d <> %d\n", adrc, s1.st_gid, s2.st_gid);
printf("%s : st_gid : %d <> %d\n", a, s1.st_gid, s2.st_gid);
differs= 1;
}
if((S_ISCHR(s1.st_mode) && S_ISCHR(s2.st_mode)) ||
(S_ISBLK(s1.st_mode) && S_ISBLK(s2.st_mode))) {
if(s1.st_rdev != s2.st_rdev) {
printf("%s : %s st_rdev : %lu <> %lu\n", adrc,
printf("%s : %s st_rdev : %lu <> %lu\n", a,
(S_ISCHR(s1.st_mode) ? "S_IFCHR" : "S_IFBLK"),
(unsigned long) s1.st_rdev, (unsigned long) s1.st_rdev);
differs= 1;
@ -69,37 +90,37 @@ 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",
adrc, (double) s1.st_size, (double) s2.st_size);
a, (double) s1.st_size, (double) s2.st_size);
differs= 1;
}
if(s1.st_mtime != s2.st_mtime) {
printf("%s : st_mtime : %u <> %u\n",
adrc, (unsigned int) s1.st_mtime, (unsigned int) s2.st_mtime);
a, (unsigned int) s1.st_mtime, (unsigned int) s2.st_mtime);
differs= 1;
}
if(flag&1) {
if(s1.st_atime != s2.st_atime) {
printf("%s : st_atime : %u <> %u\n",
adrc, (unsigned int) s1.st_atime, (unsigned int) s2.st_atime);
a, (unsigned int) s1.st_atime, (unsigned int) s2.st_atime);
differs= 1;
}
}
if(flag&2) {
if(s1.st_ctime != s2.st_ctime) {
printf("%s : st_ctime : %u <> %u\n",
adrc, (unsigned int) s1.st_ctime, (unsigned int) s2.st_ctime);
a, (unsigned int) s1.st_ctime, (unsigned int) s2.st_ctime);
differs= 1;
}
}
if(S_ISREG(s1.st_mode)) {
fd1= open(adr1, O_RDONLY);
if(fd1==-1) {
printf("%s : cannot open() : %s\n", adr1, strerror(errno));
printf("- %s : cannot open() : %s\n", adr1, strerror(errno));
return(0);
}
fd2= open(adr1, O_RDONLY);
if(fd2==-1) {
printf("%s : cannot open() : %s\n", adr2, strerror(errno));
printf("- %s : cannot open() : %s\n", adr2, strerror(errno));
close(fd1);
return(0);
}
@ -111,18 +132,18 @@ int Compare_2_files(char *adr1, char *adr2, char *adrc,int flag)
if((r1==EOF && r2==EOF) || (r1==0 && r2==0))
break;
if(r1==EOF || r1==0) {
printf("%s : early EOF after %d bytes\n", adr1, r1count);
printf("- %s : early EOF after %d bytes\n", adr1, r1count);
differs= 1;
break;
}
r1count+= r1;
if(r2==EOF || r2<r1) {
printf("%s : early EOF after %d bytes\n", adr2, r2count);
printf("- %s : early EOF after %d bytes\n", adr2, r2count);
differs= 1;
break;
}
if(r2>r1) {
printf("%s : early EOF after %d bytes\n", adr1, r1count);
printf("- %s : early EOF after %d bytes\n", adr1, r1count);
differs= 1;
break;
}
@ -137,7 +158,7 @@ int Compare_2_files(char *adr1, char *adr2, char *adrc,int flag)
}
if(diffcount>0) {
printf("%s : Content differs by %.f bytes. First at %.f\n",
adr1, (double) diffcount, (double) first_diff);
a, (double) diffcount, (double) first_diff);
differs= 1;
}
}