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resolving issue_fun,just for fun #12

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resolving issue_fun,just for fun #12

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9 changes: 6 additions & 3 deletions gif_hider/gif_hider.c
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Original file line number Diff line number Diff line change
@@ -1,19 +1,22 @@
#include <stdio.h>

#define MAX_FILE_SIZE (1024*1024)
int main ()
int main (int argc, char *argv[])
{
FILE *fptr;
char data[MAX_FILE_SIZE];

fptr = fopen("phpconf.gif", "rb");
// fn => file name.
char *fn = argv[1];

fptr = fopen(fn, "rb");

int i = 0;
while (!feof(fptr))
data[i++] = fgetc(fptr);
fclose(fptr);

fptr = fopen("phpconf.gif", "wb");
fptr = fopen(fn, "wb");

for (int j=0; j<i-1; j++)
fputc((data[j] ^ 0x60), fptr);
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