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don't scan whole files in israd()

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This commit is contained in:
John Cupitt 2013-06-07 10:30:09 +01:00
parent ad258d9ad2
commit d13ff241c5
1 changed files with 6 additions and 1 deletions
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7
libvips/foreign/radiance.c
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@ -394,8 +394,11 @@ getheader( /* get header from file */
) )
{ {
char buf[MAXLINE]; char buf[MAXLINE];
int n;
for ( ; ; ) { /* give up if there are more than 1,000 lines of header, prevents
* us scanning entire files when testing for israd */
for (n = 0; n < 1000; n++) {
buf[MAXLINE-2] = '\n'; buf[MAXLINE-2] = '\n';
if (fgets(buf, MAXLINE, fp) == NULL) if (fgets(buf, MAXLINE, fp) == NULL)
return(-1); return(-1);
@ -412,6 +415,8 @@ getheader( /* get header from file */
if (f != NULL && (*f)(buf, p) < 0) if (f != NULL && (*f)(buf, p) < 0)
return(-1); return(-1);
} }
return(0);
} }