diff options
| -rw-r--r-- | miscutils/strings.c | 104 |
1 files changed, 53 insertions, 51 deletions
diff --git a/miscutils/strings.c b/miscutils/strings.c index 9d8012a..ace4bed 100644 --- a/miscutils/strings.c +++ b/miscutils/strings.c @@ -37,29 +37,24 @@ int strings_main(int argc, char **argv) { - extern char *optarg; - extern int optind; - int n=4, c, i, opt=0, a=0; - long t, count; + int n=4, c, i, opt=0, a=0, status=EXIT_SUCCESS; + long t=0, count; FILE *file; - char *string; - - while ((i = getopt(argc, argv, "an:of")) > 0) + char *string=NULL; + + while ((i = getopt(argc, argv, "afon:")) > 0) switch(i) { case 'a': break; case 'f': - opt++; - break; - case 'n': - n = atoi(optarg); - if(!(n/1)) - show_usage(); + opt+=1; break; case 'o': - opt++; - opt++; + opt+=2; + break; + case 'n': + n = bb_xgetlarg(optarg, 1, LONG_MAX, 10); break; default: show_usage(); @@ -70,6 +65,10 @@ int strings_main(int argc, char **argv) i=0; + string=xmalloc(n+1); + string[n]='\0'; + n-=1; + if(!argc ) { file = stdin; @@ -78,50 +77,53 @@ int strings_main(int argc, char **argv) for(a=0;a<argc;a++) { - file=xfopen(argv[a],"r"); - - pipe: - - count=0; - string=xmalloc(n); - string[n]='\0'; - n--; - while(1) + if((file=fopen(argv[a],"r"))) { - c=fgetc(file); - if(ISSTR(c)) +pipe: + + count=0; + do { - if(i==0) - t=count; - if(i<=n) - string[i]=c; - if(i==n) + c=fgetc(file); + if(ISSTR(c)) { - if(opt == 1 || opt == 3 ) - printf("%s: ",(!argv[a])?"{stdin}":argv[a]); - if(opt >= 2 ) - printf("%7lo ",t); - printf("%s",string); + if(i==0) + t=count; + if(i<=n) + string[i]=c; + if(i==n) + { + if(opt == 1 || opt == 3 ) + printf("%s: ", (!argv[a])? "{stdin}" : argv[a]); + if(opt >= 2 ) + printf("%7lo ", t); + printf("%s", string); + } + if(i>n) + putchar(c); + i++; } - if(i>n) - putchar(c); - i++; - } - else - { - if(i>n) - puts(""); - i=0; + else + { + if(i>n) + puts(""); + i=0; + } + count++; } - count++; - if(c==EOF) - break; + while(c!=EOF); + + if(file!=stdin) + fclose(file); + } + else + { + perror_msg("%s",argv[a]); + status=EXIT_FAILURE; } - if(file!=stdin) - fclose(file); } free(string); - exit(EXIT_SUCCESS); + exit(status); } /* |