compareFiles.c
60 lines
| 1.2 KiB
| text/x-c
|
CLexer
| r0 | /* $Id: compareFiles.c 3304 2011-01-17 15:25:59Z brideout $ */ | |||
| /* | ||||
| modification history | ||||
| -------------------- | ||||
| 00a,21Feb00 original | ||||
| */ | ||||
| /* | ||||
| USAGE: compareFiles | ||||
| */ | ||||
| #include <stdlib.h> | ||||
| #include <string.h> | ||||
| #include <stdio.h> | ||||
| typedef short Int16; | ||||
| int | ||||
| main (argc, argv) | ||||
| int argc; | ||||
| char *argv[]; | ||||
| { | ||||
| FILE *f1p, *f2p; | ||||
| int nwords=0, ndiff=0, maxlines=800, all=0; | ||||
| Int16 w1=0, w2=0; | ||||
| if (argc == 3) { | ||||
| f1p = fopen(argv[1], "r"); | ||||
| f2p = fopen(argv[2], "r"); | ||||
| } else { | ||||
| (void) printf("Usage: compareFiles file1 file2\n"); | ||||
| return(1); | ||||
| } | ||||
| nwords = 0; | ||||
| ndiff = 0; | ||||
| for (;;) { | ||||
| if (fread(&w1, (size_t) 2, (size_t) 1, f1p) != 1) break; | ||||
| if (fread(&w2, (size_t) 2, (size_t) 1, f2p) != 1) break; | ||||
| nwords++; | ||||
| if (w1 != w2 || all) { | ||||
| if (ndiff == 1 && !all) | ||||
| (void) printf("***> The files are different <***\n"); | ||||
| ndiff++; | ||||
| (void) printf("%6d %6d %6d\n", nwords-1, w1, w2); | ||||
| if (ndiff >= maxlines) return(0); | ||||
| } | ||||
| } | ||||
| if (nwords > 0) { | ||||
| (void) printf(" OK - %d words compared\n", nwords); | ||||
| } else { | ||||
| (void) printf(" ***> ERROR - %d words compared <***\n", nwords); | ||||
| return(0); | ||||
| } | ||||
| (void) fclose(f1p); | ||||
| (void) fclose(f2p); | ||||
| return(0); | ||||
| } | ||||
