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Fix fgets(3) handling EOF incorrectly.

This commit is contained in:
Jonas 'Sortie' Termansen 2013-01-08 15:08:37 +01:00
parent 6aa4eb3405
commit df67725221
1 changed files with 5 additions and 6 deletions
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11
libc/fgets.cpp
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@ -27,20 +27,19 @@
extern "C" char* fgets(char* dest, int size, FILE* fp)
{
if ( size <= 0 ) { errno = EINVAL; return NULL; }
if ( size <= 0 )
return errno = EINVAL, (char*) NULL;
int i;
for ( i = 0; i < size-1; i++ )
{
int c = getc(fp);
if ( c == EOF )
{
if ( ferror(fp) ) { return NULL; }
else { i++; break; } /* EOF */
}
break;
dest[i] = c;
if ( c == '\n' ) { i++; break; }
}
if ( !i && (ferror(fp) || feof(fp)) )
return NULL;
dest[i] = '\0';
return dest;
}