diff options
Diffstat (limited to 'src/ewf.c')
| -rw-r--r-- | src/ewf.c | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -58,6 +58,7 @@ static const char *fewf_description(disk_t *disk); static const char *fewf_description_short(disk_t *disk); static int fewf_clean(disk_t *disk); +static void *fewf_pread_fast(disk_t *disk, void *buffer, const unsigned int count, const uint64_t offset); static int fewf_pread(disk_t *disk, void *buffer, const unsigned int count, const uint64_t offset); static int fewf_nopwrite(disk_t *disk, const void *buffer, const unsigned int count, const uint64_t offset); static int fewf_sync(disk_t *disk); @@ -129,6 +130,7 @@ disk_t *fewf_init(const char *device, const arch_fnct_t *arch, const int mode) disk->data=data; disk->description=fewf_description; disk->description_short=fewf_description_short; + disk->pread_fast=fewf_pread_fast; disk->pread=fewf_pread; disk->pwrite=fewf_nopwrite; disk->sync=fewf_sync; @@ -237,6 +239,13 @@ static int fewf_pread(disk_t *disk, void *buffer, const unsigned int count, cons return taille; } +static void *fewf_pread_fast(disk_t *disk, void *buf, const unsigned int count, const uint64_t offset) +{ + if(fewf_pread(disk, buf, count, offset)==offset) + return buf; + return NULL; +} + static int fewf_nopwrite(disk_t *disk, const void *buffer, const unsigned int count, const uint64_t offset) { log_error("fewf_nopwrite(xx,%u,buffer,%lu(%u/%u/%u)) write refused\n", |