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Rev 9337 Rev 9342
Line 19... Line 19...
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    FILE *f = fopen(fname, "r+");
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    FILE *f = fopen(fname, "r+");
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    if (!f) {
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    if (!f) {
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        printf("vdisk: can't open file '%s': %s\n", fname, strerror(errno));
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        printf("vdisk: can't open file '%s': %s\n", fname, strerror(errno));
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        return NULL;
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        return NULL;
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    }
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    }
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    fseeko(f, 0, SEEK_END);
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    fseek(f, 0, SEEK_END);
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    off_t fsize = ftello(f);
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    off_t fsize = ftell(f);
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    fseeko(f, 0, SEEK_SET);
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    fseek(f, 0, SEEK_SET);
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    size_t sect_size = 512;
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    size_t sect_size = 512;
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    if (strstr(fname, "s4096") != NULL || strstr(fname, "s4k") != NULL) {
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    if (strstr(fname, "s4096") != NULL || strstr(fname, "s4k") != NULL) {
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        sect_size = 4096;
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        sect_size = 4096;
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    }
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    }
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    vdisk_t *vdisk = (vdisk_t*)malloc(sizeof(vdisk_t));
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    vdisk_t *vdisk = (vdisk_t*)malloc(sizeof(vdisk_t));
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STDCALL int
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STDCALL int
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vdisk_read(void *userdata, void *buffer, off_t startsector,
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vdisk_read(void *userdata, void *buffer, off_t startsector,
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               size_t *numsectors) {
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               size_t *numsectors) {
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    COVERAGE_OFF();
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    COVERAGE_OFF();
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    vdisk_t *vdisk = userdata;
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    vdisk_t *vdisk = userdata;
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    fseeko(vdisk->file, startsector * vdisk->sect_size, SEEK_SET);
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    fseek(vdisk->file, startsector * vdisk->sect_size, SEEK_SET);
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    fread(buffer, *numsectors * vdisk->sect_size, 1, vdisk->file);
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    fread(buffer, *numsectors * vdisk->sect_size, 1, vdisk->file);
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    COVERAGE_ON();
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    COVERAGE_ON();
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    return ERROR_SUCCESS;
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    return ERROR_SUCCESS;
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}
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}
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STDCALL int
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STDCALL int
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vdisk_write(void *userdata, void *buffer, off_t startsector,
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vdisk_write(void *userdata, void *buffer, off_t startsector,
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                size_t *numsectors) {
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                size_t *numsectors) {
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    COVERAGE_OFF();
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    COVERAGE_OFF();
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    vdisk_t *vdisk = userdata;
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    vdisk_t *vdisk = userdata;
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    fseeko(vdisk->file, startsector * vdisk->sect_size, SEEK_SET);
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    fseek(vdisk->file, startsector * vdisk->sect_size, SEEK_SET);
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    fwrite(buffer, *numsectors * vdisk->sect_size, 1, vdisk->file);
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    fwrite(buffer, *numsectors * vdisk->sect_size, 1, vdisk->file);
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    COVERAGE_ON();
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    COVERAGE_ON();
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    return ERROR_SUCCESS;
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    return ERROR_SUCCESS;