diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libalpm/md5.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/libalpm/md5.c b/lib/libalpm/md5.c index 7d2716f2..90635046 100644 --- a/lib/libalpm/md5.c +++ b/lib/libalpm/md5.c @@ -36,6 +36,8 @@ * int md5_file( char *path, unsigned char *output ) * to * int md5_file( const char *path, unsigned char *output ) + * * use a dynamically-allocated buffer in md5_file, and increase the size + * for performance reasons * * various static/inline changes * * NOTE: XySSL has been renamed to PolarSSL, which is available at @@ -44,6 +46,7 @@ #include <string.h> #include <stdio.h> +#include <stdlib.h> #include "md5.h" @@ -309,11 +312,16 @@ int md5_file( const char *path, unsigned char output[16] ) FILE *f; size_t n; md5_context ctx; - unsigned char buf[1024]; + unsigned char *buf; - if( ( f = fopen( path, "rb" ) ) == NULL ) + if( ( buf = calloc(8192, sizeof(unsigned char)) ) == NULL ) return( 1 ); + if( ( f = fopen( path, "rb" ) ) == NULL ) { + free( buf ); + return( 1 ); + } + md5_starts( &ctx ); while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) @@ -322,6 +330,7 @@ int md5_file( const char *path, unsigned char output[16] ) md5_finish( &ctx, output ); memset( &ctx, 0, sizeof( md5_context ) ); + free( buf ); if( ferror( f ) != 0 ) { |