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Patch from Tito Ragusa:

Browse Source 
The changes I've made: in strings.c:
1) fix memory allocation error I've detected with MALLOC_CHECK_=1 in *string;
2) code clean up;
3) fix compiler warnings about uninitialized vars;
This commit is contained in:
Eric Andersen 2003-03-13 18:49:45 +00:00
parent 3f1cf455a0
commit 92b7e7baa1
1 changed files with 53 additions and 51 deletions
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104
miscutils/strings.c
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@ -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;
}
count++;
}
else
{
if(i>n)
puts("");
i=0;
}
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);
}
/*