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| From | Uno <Uno@example.invalid> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: looking at binary files with C |
| Date | 2011-06-12 00:58 -0600 |
| Message-ID | <95j6c9F7pnU1@mid.individual.net> (permalink) |
| References | <95j3bgFj2qU1@mid.individual.net> <95j5crFrhnU7@mid.individual.net> |
On 06/12/2011 12:41 AM, Ian Collins wrote:
> On 06/12/11 06:06 PM, Uno wrote:
>> $ indent -kr hist1.c
>> $ cc -Wall -Wextra hist1.c -o hist
>> $ ./hist
>> Segmentation fault
>> $ cat hist1.c
>> #include<stdio.h>
>> #define SIZE 100000
>>
>> int main(void)
>> {
>> int c;
>> long counter = 0;
>> long a[SIZE];
>> long i, j;
>> FILE *fp;
>>
>> fp = fopen("shoulder.wmv", "rb+");
>
> Checking for success here would be a good idea.
>
Data's coming in:
c is 27
c is 25
c is 157
c is 241
c is 16
c is 149
c is 242
c is 192
c is 75
c is 49
c is 40
c is 108
c is 28
c is 76
c is 171
c is 60
c is 174
c is 233
c is 68
c is 50
c is 93
c is 152
c is 240
c is 2
c is 11
c is 172
c is 69
c is 76
c is 189
c is 129
c is 132^C
$ cat hist2.c
#include <stdio.h>
#define SIZE 100000
int main(void)
{
int c;
long counter = 0;
long a[SIZE];
long i, j;
FILE *fp;
fp = fopen("shoulder.wmv", "rb+");
for (i = 0; i < SIZE; ++i) {
a[i] = 0;
}
for (j = 0; j < 7000000; ++j) {
c = fgetc(fp);
printf("c is %d\n", c);
if (c != EOF) {
a[counter] = c;
counter++;
} else {
for (i = 0; i < 100; ++i) {
printf("i and frequency is %ld %ld\n", i, a[i]);
}
break;
}
}
printf("Counter reached %ld\n", counter);
fclose(fp);
return 0;
}
// cc -Wall -Wextra hist2.c -o hist
$
--
Uno
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looking at binary files with C Uno <Uno@example.invalid> - 2011-06-12 00:06 -0600
Re: looking at binary files with C Ian Collins <ian-news@hotmail.com> - 2011-06-12 18:41 +1200
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-12 00:58 -0600
Re: looking at binary files with C Barry Schwarz <schwarz45@yahoo.com> - 2011-06-12 00:05 -0700
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-12 01:41 -0600
Re: looking at binary files with C "Joachim Schmitz" <jojo.nospam@schmitz-digital.de> - 2011-06-12 11:44 +0200
Re: looking at binary files with C Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2011-06-12 10:25 -0600
Re: looking at binary files with C Ike Naar <ike@sverige.freeshell.org> - 2011-06-12 10:26 +0000
Re: looking at binary files with C Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-06-12 08:23 -0400
Re: looking at binary files with C Hans Vlems <hvlems@freenet.de> - 2011-06-13 23:48 -0700
Re: looking at binary files with C Tim Rentsch <txr@alumni.caltech.edu> - 2011-06-23 00:55 -0700
Re: looking at binary files with C "BartC" <bc@freeuk.com> - 2011-06-12 14:26 +0100
Re: looking at binary files with C Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2011-06-12 10:24 -0600
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-12 14:47 -0600
Re: looking at binary files with C "BartC" <bc@freeuk.com> - 2011-06-12 22:23 +0100
Re: looking at binary files with C Keith Thompson <kst-u@mib.org> - 2011-06-12 14:29 -0700
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-12 16:31 -0600
Re: looking at binary files with C Keith Thompson <kst-u@mib.org> - 2011-06-12 16:14 -0700
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-12 18:41 -0600
Re: looking at binary files with C Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-06-12 17:42 -0400
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-12 17:01 -0600
Re: looking at binary files with C Keith Thompson <kst-u@mib.org> - 2011-06-12 16:23 -0700
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-12 17:24 -0600
Re: looking at binary files with C Ian Collins <ian-news@hotmail.com> - 2011-06-13 11:28 +1200
Re: looking at binary files with C Geoff <geoff@invalid.invalid> - 2011-06-12 16:52 -0700
Re: looking at binary files with C Keith Thompson <kst-u@mib.org> - 2011-06-13 08:51 -0700
Re: looking at binary files with C Seebs <usenet-nospam@seebs.net> - 2011-06-13 14:39 +0000
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-13 20:01 -0600
Re: looking at binary files with C Keith Thompson <kst-u@mib.org> - 2011-06-13 19:24 -0700
Re: looking at binary files with C Seebs <usenet-nospam@seebs.net> - 2011-06-14 17:02 +0000
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-16 01:32 -0600
Re: looking at binary files with C Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-06-13 07:57 -0400
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-13 20:23 -0600
Re: looking at binary files with C Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-06-13 23:12 -0400
Re: looking at binary files with C lovecreatesbeauty <lovecreatesbeauty@gmail.com> - 2011-06-14 01:09 -0700
Re: looking at binary files with C Oliver Jackson <chexmofo@hotmail.com> - 2011-06-15 20:15 -0700
Re: looking at binary files with C Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2011-06-12 18:41 -0600
Re: looking at binary files with C James Waldby <not@valid.invalid> - 2011-06-13 01:16 +0000
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-12 19:48 -0600
Re: looking at binary files with C "io_x" <a@b.c.invalid> - 2011-06-14 12:19 +0200
Re: looking at binary files with C lovecreatesbeauty <lovecreatesbeauty@gmail.com> - 2011-06-14 03:58 -0700
Re: looking at binary files with C "io_x" <a@b.c.invalid> - 2011-06-14 19:07 +0200
Re: looking at binary files with C "io_x" <a@b.c.invalid> - 2011-06-14 19:46 +0200
Re: looking at binary files with C Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2011-06-14 16:08 -0600
Re: looking at binary files with C Ian Collins <ian-news@hotmail.com> - 2011-06-15 08:47 +1200
Re: looking at binary files with C Hans Vlems <hvlems@freenet.de> - 2011-06-13 23:51 -0700
Re: looking at binary files with C Michael Press <rubrum@pacbell.net> - 2011-06-15 13:06 -0700
Re: looking at binary files with C Uno <Uno@example.invalid> - 2011-06-16 01:38 -0600
Re: looking at binary files with C Michael Press <rubrum@pacbell.net> - 2011-06-16 00:54 -0700
Re: looking at binary files with C James Waldby <not@valid.invalid> - 2011-06-16 16:59 +0000
Re: looking at binary files with C "J. J. Farrell" <jjf@bcs.org.uk> - 2011-06-16 18:32 +0100
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