linux-scalability-benchmarks / libowfat / mult / range_arrayinbuf.c

The default branch has multiple heads

#include <rangecheck.h>
#include <safemult.h>

/* does an array of "elements" members of size "membersize" starting at
 * "arraystart" lie inside buf1[0..len-1]? */
int range_arrayinbuf(const void* buf1,size_t len,
		     const void* arraystart,size_t elements,size_t membersize) {
  size_t alen;
  if (sizeof(alen)==8) {
    uint64 x;
    if (!umult64(elements,membersize,&x)) return 0;
    alen=x;
  } else {
    unsigned long long t=(unsigned long long)elements*membersize;
    alen=t;			/* this strips the upper 32 bits of t */
    if (alen!=t) return 0;	/* if that changes something, we overflowed */
  }
  return range_bufinbuf(buf1,len,arraystart,alen);
}
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.